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Ngo HX, Xu AY, Velásquez GE, Zhang N, Chang VK, Kurbatova EV, Whitworth WC, Sizemore E, Bryant K, Carr W, Weiner M, Dooley KE, Engle M, Dorman SE, Nahid P, Swindells S, Chaisson RE, Nsubuga P, Lourens M, Dawson R, Savic RM. Pharmacokinetic-Pharmacodynamic Evidence from a Phase 3 Trial to Support Flat-Dosing of Rifampicin for Tuberculosis. Clin Infect Dis 2024:ciae119. [PMID: 38462673 DOI: 10.1093/cid/ciae119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/23/2024] [Accepted: 03/01/2024] [Indexed: 03/12/2024] Open
Abstract
BACKGROUND The optimal dosing strategy for rifampicin in treating drug-susceptible tuberculosis (TB) is still highly debated. In the Phase 3 clinical trial Study 31/ACTG 5349 (NCT02410772), all participants in the control regimen arm received 600 mg rifampicin daily as a flat dose. Here, we evaluated relationships between rifampicin exposure and efficacy and safety outcomes. METHODS We analyzed rifampicin concentration time profiles using population nonlinear mixed-effects models. We compared simulated rifampicin exposure from flat- and weight-banded dosing. We evaluated the effect of rifampicin exposure on stable culture conversion at 6 months, TB-related unfavorable outcomes at 9, 12, and 18 months using Cox proportional hazard models, and all trial-defined safety outcomes using logistic regression. RESULTS Our model derived rifampicin exposure ranged from 4.57 mg·h/L to 140.0 mg·h/L with a median of 41.8 mg·h/L. Pharmacokinetic simulations demonstrated that flat-dosed rifampicin provided exposure coverage similar to weight-banded dose. Exposure-efficacy analysis (N=680) showed that participants with rifampicin exposure below the median experienced similar hazards of stable culture conversion and TB-related unfavorable outcomes compared to those with exposure above the median. Exposure-safety analysis (N=722) showed that increased rifampicin exposure was not associated with increased grade 3 or higher adverse events, or serious adverse events. CONCLUSIONS Flat-dosing of rifampicin at 600 mg daily may be a reasonable alternative to the incumbent weight-banded dosing strategy for the standard of care 6-month regimen. Future research should assess the optimal dosing strategy for rifampicin, at doses higher than the current recommendation.
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Affiliation(s)
- Huy X Ngo
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Ava Y Xu
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
- Bakar Computational Health Sciences Institute, University of California, San Francisco, California
| | - Gustavo E Velásquez
- UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco, California, United States of America
- Division of HIV, Infectious Diseases, and Global Medicine, University of California, San Francisco, San Francisco, California, United States of America
| | - Nan Zhang
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Vincent K Chang
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
| | - Ekaterina V Kurbatova
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - William C Whitworth
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Erin Sizemore
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Kia Bryant
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Wendy Carr
- Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Marc Weiner
- University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio, Texas, United States of America
| | - Kelly E Dooley
- Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America
| | - Melissa Engle
- University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio, Texas, United States of America
| | - Susan E Dorman
- Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Payam Nahid
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
- UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco, California, United States of America
| | - Susan Swindells
- University of Nebraska Medical Center, Omaha, Nebraska, United States of America
| | - Richard E Chaisson
- Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Pheona Nsubuga
- Uganda-Case Western Reserve University Research Collaboration, Kampala, Uganda
| | - Madeleine Lourens
- TASK Applied Science CRS, Brooklyn Chest Hospital, Bellville, South Africa
| | - Rodney Dawson
- Division of Pulmonology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Radojka M Savic
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California, United States of America
- UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco, California, United States of America
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2
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Angioni D, Hansson O, Bateman RJ, Rabe C, Toloue M, Braunstein JB, Agus S, Sims JR, Bittner T, Carrillo MC, Fillit H, Masters CL, Salloway S, Aisen P, Weiner M, Vellas B, Gauthier S. Can We Use Blood Biomarkers as Entry Criteria and for Monitoring Drug Treatment Effects in Clinical Trials? A Report from the EU/US CTAD Task Force. J Prev Alzheimers Dis 2023; 10:418-425. [PMID: 37357282 DOI: 10.14283/jpad.2023.68] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2023]
Abstract
In randomized clinical trials (RCTs) for Alzheimer's Disease (AD), cerebrospinal fluid (CSF) and positron emission tomography (PET) biomarkers are currently used for the detection and monitoring of AD pathological features. The use of less resource-intensive plasma biomarkers could decrease the burden to study volunteers and limit costs and time for study enrollment. Blood-based markers (BBMs) could thus play an important role in improving the design and the conduct of RCTs on AD. It remains to be determined if the data available on BBMs are strong enough to replace CSF and PET biomarkers as entry criteria and monitoring tools in RCTs.
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Affiliation(s)
- D Angioni
- D. Angioni, Gerontopole of Toulouse, Alzheimer's Disease Research and Clinical Center, Toulouse University Hospital, Toulouse, France,
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3
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Cummings J, Apostolova L, Rabinovici GD, Atri A, Aisen P, Greenberg S, Hendrix S, Selkoe D, Weiner M, Petersen RC, Salloway S. Lecanemab: Appropriate Use Recommendations. J Prev Alzheimers Dis 2023; 10:362-377. [PMID: 37357276 PMCID: PMC10313141 DOI: 10.14283/jpad.2023.30] [Citation(s) in RCA: 48] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2023]
Abstract
Lecanemab (Leqembi®) is approved in the United States for the treatment of Alzheimer's disease (AD) to be initiated in early AD (mild cognitive impairment [MCI] due to AD or mild AD dementia) with confirmed brain amyloid pathology. Appropriate Use Recommendations (AURs) are intended to help guide the introduction of new therapies into real-world clinical practice. Community dwelling patients with AD differ from those participating in clinical trials. Administration of lecanemab at clinical trial sites by individuals experienced with monoclonal antibody therapy also differs from the community clinic-based administration of lecanemab. These AURs use clinical trial data as well as research and care information regarding AD to help clinicians administer lecanemab with optimal safety and opportunity for effectiveness. Safety and efficacy of lecanemab are known only for patients like those participating in the phase 2 and phase 3 lecanemab trials, and these AURs adhere closely to the inclusion and exclusion criteria of the trials. Adverse events may occur with lecanemab including amyloid related imaging abnormalities (ARIA) and infusion reactions. Monitoring guidelines for these events are detailed in this AUR. Most ARIA with lecanemab is asymptomatic, but a few cases are serious or, very rarely, fatal. Microhemorrhages and rare macrohemorrhages may occur in patients receiving lecanemab. Anticoagulation increases the risk of hemorrhage, and the AUR recommends that patients requiring anticoagulants not receive lecanemab until more data regarding this interaction are available. Patients who are apolipoprotein E ε4 (APOE4) gene carriers, especially APOE4 homozygotes, are at higher risk for ARIA, and the AUR recommends APOE genotyping to better inform risk discussions with patients who are lecanemab candidates. Clinician and institutional preparedness are mandatory for use of lecanemab, and protocols for management of serious events should be developed and implemented. Communication between clinicians and therapy candidates or those on therapy is a key element of good clinical practice for the use of lecanemab. Patients and their care partners must understand the potential benefits, the potential harms, and the monitoring requirements for treatment with this agent. Culture-specific communication and building of trust between clinicians and patients are the foundation for successful use of lecanemab.
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Affiliation(s)
- J Cummings
- Jeffrey Cummings, MD, ScD, 1380 Opal Valley Street, Henderson, NV 89052, USA, , T: 702-902-3939
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4
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Weiner M, Rodriguez-Vigouroux R, Masouridi-Levrat S, Samii K. Very severe immune thrombocytopenia following SARS-CoV-2 vaccination requiring splenectomy: a case report. Thromb J 2022; 20:45. [PMID: 35996108 PMCID: PMC9395928 DOI: 10.1186/s12959-022-00404-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 08/04/2022] [Indexed: 12/02/2022] Open
Abstract
Background Some conventional vaccines have been recognized as a cause of secondary immune thrombocytopenia (ITP). According to recent publications, mRNA vaccines are probably associated with an increased risk of ITP. Case presentation Our patient developed severe ITP one week after the second dose of COVID-19 mRNA vaccine. Medical management was not effective, requiring splenectomy to obtain sustained remission. Conclusion Considering the temporality and immunological hypothesis, we consider the vaccine to be the trigger of this ITP. To our knowledge, our case is, to date, the most severe case of ITP reported following SARS-CoV-2 vaccination and could help for the therapeutic management of similar patients.
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Affiliation(s)
- Marc Weiner
- Department of Oncology, Division of Oncology, Geneva University Hospital, Rue Gabrielle-Perret-Gentil-4, 1205, Geneva, Switzerland
| | - Robert Rodriguez-Vigouroux
- Department of Medicine, Division of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil-4, 1205, Geneva, Switzerland.
| | - Stavroula Masouridi-Levrat
- Department of Oncology, Division of Hematology, Geneva University Hospital, Rue Gabrielle-Perret-Gentil-4, 1205, Geneva, Switzerland
| | - Kaveh Samii
- Department of Oncology, Division of Hematology, Geneva University Hospital, Rue Gabrielle-Perret-Gentil-4, 1205, Geneva, Switzerland
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5
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Weiner M, Lang N. [The rise of the lymphocyte clones: targeted agents strike back]. Rev Med Suisse 2022; 18:984-989. [PMID: 35583277 DOI: 10.53738/revmed.2022.18.782.984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Chronic lymphocytic leukemia (CLL) is an indolent lymphoproliferative disorder commonly seen in the elderly. Its diagnosis is often incidental. Treatment is not always required, and a clinical and biological follow-up may be sufficient. However, progressive CLL may result in shortened life expectancy and significant complications. It is therefore critical to precisely stratify CLL prognosis to guide therapeutic choices accordingly. Therapeutic options have largely evolved in the past years and current molecular biomarkers allow a better risk stratification, leading to a significant improvement of survival. We summarize herein modern diagnostic and therapeutic management of CLL.
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Affiliation(s)
- Marc Weiner
- Service d'oncologie médicale, Département d'oncologie, Hôpitaux universitaires de Genève, 1211 Genève 14
| | - Noémie Lang
- Service d'oncologie médicale, Département d'oncologie, Hôpitaux universitaires de Genève, 1211 Genève 14
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Cummings J, Rabinovici GD, Atri A, Aisen P, Apostolova LG, Hendrix S, Sabbagh M, Selkoe D, Weiner M, Salloway S. Aducanumab: Appropriate Use Recommendations Update. J Prev Alzheimers Dis 2022; 9:221-230. [PMID: 35542993 PMCID: PMC9169517 DOI: 10.14283/jpad.2022.34] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Aducanumab (Aduhelm) is approved in the United States for the treatment of patients with mild cognitive impairment due to Alzheimer's disease or mild AD dementia. Aducanumab Appropriate Use Recommendations (AURs) have been published and have helped guide best practices for use of aducanumab. As real-world use has occurred and more information has accrued, the AURs require refinement. We update the AURs to better inform appropriate patient selection and improve shared decision-making, safety monitoring, and risk mitigation in treated patients. Based on evolving experience we emphasize the importance of detecting past medical conditions that may predispose to amyloid related imaging abnormalities (ARIA) or may increase the likelihood of ARIA complications including autoimmune or inflammatory conditions, seizures, or disorders associated with extensive white matter pathology. The apolipoprotein E ε4 (APOE4) genotype is strongly associated with ARIA and exhibits a gene dose effect. We recommend that clinicians perform APOE genotyping to better inform patient care decisions, discussions regarding risk, and clinician vigilance concerning ARIA. As most ARIA occurs during the titration period of aducanumab, we suggest performing MRI before the 5th, 7th, 9th, and 12th infusions to improve detection. Uncommonly, ARIA may be recurrent or serious; we suggest additional parameters for treatment discontinuation taking these observations into account. It is important to continue to learn from the real-world use of aducanumab and the AURs will continue to evolve as new information becomes available. This AUR update does not address efficacy, price, or insurance coverage and is provided to assist clinicians to establish best practices for use of aducanumab in the treatment of patients with mild cognitive impairment and mild Alzheimer's dementia.
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Affiliation(s)
- J Cummings
- Jeffrey Cummings, MD, ScD, 1380 Opal Valley Street, Henderson, NV 89052, USA, , T: 702-902-3939
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7
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Raman R, Aisen P, Carillo MC, Detke M, Grill JD, Okonkwo OC, Rivera-Mindt M, Sabbagh M, Vellas B, Weiner M, Sperling R. Tackling a Major Deficiency of Diversity in Alzheimer's Disease Therapeutic Trials: An CTAD Task Force Report. J Prev Alzheimers Dis 2022; 9:388-392. [PMID: 35841239 PMCID: PMC9098373 DOI: 10.14283/jpad.2022.50] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
As the last opportunity to assess treatment effect modification in a controlled setting prior to formal approval, clinical trials are a critical tool for understanding the safety and efficacy of new treatments in diverse populations. Recruitment of diverse participants in Alzheimer's Disease (AD) clinical trials are therefore essential to increase the generalizability of study results, with diversity broadly described to be representative and inclusive. This representation of study participants is equally critical in longitudinal cohort (observational) studies, which will be key to understanding disease disparities and are often used to design adequately powered AD clinical trials. New and innovative recruitment initiatives and enhanced infrastructure facilitate increased participant diversity in AD clinical studies.
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Affiliation(s)
- Rema Raman
- Alzheimer’s Therapeutic Research Institute, Keck School of Medicine, University of Southern California, San Diego, CA 92121 USA 9860 Mesa Rim Road
| | - P. Aisen
- Alzheimer’s Therapeutic Research Institute, Keck School of Medicine, University of Southern California, San Diego, CA 92121 USA 9860 Mesa Rim Road
| | | | - M. Detke
- Cortexyme, South San Francisco, CA USA
| | - J. D. Grill
- Institute for Memory Impairments and Neurological Disorders, University of California Irvine, Irvine, CA USA
| | - O. C. Okonkwo
- Wisconsin Alzheimer’s Disease Research Center and The Department of Medicine, University of Wisconsin School of Medicine And Public Health, Madison, WI USA
| | - M. Rivera-Mindt
- Neurology, Icahn School of Medicine at Mount Sinai, New York, NY USA ,Psychology & Latin American Latino Studies Institute, Fordham University, Bronx, NY USA
| | - M. Sabbagh
- Barrow Neurological Institute, Phoenix, AZ USA
| | - B. Vellas
- Gerontopole of Toulouse, Institute of Ageing, Toulouse University Hospital (CHU Toulouse), Toulouse, France
| | - M. Weiner
- University of California, San Francisco, CA USA
| | - R. Sperling
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA USA
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8
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Angioni D, Delrieu J, Hansson O, Fillit H, Aisen P, Cummings J, Sims JR, Braunstein JB, Sabbagh M, Bittner T, Pontecorvo M, Bozeat S, Dage JL, Largent E, Mattke S, Correa O, Gutierrez Robledo LM, Baldivieso V, Willis DR, Atri A, Bateman RJ, Ousset PJ, Vellas B, Weiner M. Blood Biomarkers from Research Use to Clinical Practice: What Must Be Done? A Report from the EU/US CTAD Task Force. J Prev Alzheimers Dis 2022; 9:569-579. [PMID: 36281661 PMCID: PMC9683846 DOI: 10.14283/jpad.2022.85] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Timely and accurate diagnosis of Alzheimer's disease (AD) in clinical practice remains challenging. PET and CSF biomarkers are the most widely used biomarkers to aid diagnosis in clinical research but present limitations for clinical practice (i.e., cost, accessibility). Emerging blood-based markers have the potential to be accurate, cost-effective, and easily accessible for widespread clinical use, and could facilitate timely diagnosis. The EU/US CTAD Task Force met in May 2022 in a virtual meeting to discuss pathways to implementation of blood-based markers in clinical practice. Specifically, the CTAD Task Force assessed: the state-of-art for blood-based markers, the current use of blood-based markers in clinical trials, the potential use of blood-based markers in clinical practice, the current challenges with blood-based markers, and the next steps needed for broader adoption in clinical practice.
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Affiliation(s)
- D Angioni
- Davide Angioni, Gerontopole of Toulouse, Alzheimer's Disease Research and Clinical Center, Toulouse University Hospital, Toulouse, France,
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9
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Kaye J, Aisen P, Amariglio R, Au R, Ballard C, Carrillo M, Fillit H, Iwatsubo T, Jimenez-Maggiora G, Lovestone S, Natanegara F, Papp K, Soto ME, Weiner M, Vellas B. Using Digital Tools to Advance Alzheimer's Drug Trials During a Pandemic: The EU/US CTAD Task Force. J Prev Alzheimers Dis 2021; 8:513-519. [PMID: 34585227 PMCID: PMC8244451 DOI: 10.14283/jpad.2021.36] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The 2020 COVID-19 pandemic has disrupted Alzheimer’s disease (AD) clinical studies worldwide. Digital technologies may help minimize disruptions by enabling remote assessment of subtle cognitive and functional changes over the course of the disease. The EU/US Clinical Trials in Alzheimer’s Disease (CTAD) Task Force met virtually in November 2020 to explore the opportunities and challenges associated with the use of digital technologies in AD clinical research. While recognizing the potential of digital tools to accelerate clinical trials, improve the engagement of diverse populations, capture clinically meaningful data, and lower costs, questions remain regarding the stability, validity, generalizability, and reproducibility of digital data. Substantial concerns also exist regarding regulatory acceptance and privacy. Nonetheless, the Task Force supported further exploration of digital technologies through collaboration and data sharing, noting the need for standardization of digital readouts. They also concluded that while it may be premature to employ remote assessments for trials of novel experimental medications, remote studies of non-invasive, multi-domain approaches may be feasible at this time.
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Affiliation(s)
- J Kaye
- Jeffrey Kaye, Layton Aging and Alzheimer's Disease Center, School of Medicine, Oregon Health and Science University, Portland, OR, USA,
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10
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Weiner M, Coen M, Serratrice J, Mavrakanas TA, Leidi A. Correction to: Acute kidney injury with partial Fanconi syndrome in a patient with leptospirosis: a case report. J Med Case Rep 2021; 15:434. [PMID: 34399837 PMCID: PMC8365964 DOI: 10.1186/s13256-021-03040-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Marc Weiner
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland.
| | - Matteo Coen
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland.,Unit of Development and Research in Medical Education (UDREM), Faculty of Medicine, University of Geneva, 1211, Geneva, Switzerland
| | - Jacques Serratrice
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - Thomas A Mavrakanas
- Division of Nephrology, Department of Medicine, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC, Canada
| | - Antonio Leidi
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
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11
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Sandu O, Aldabagh M, Alvarado G, Jeon H, Yeddu H, Cohen A, Sharlow A, Lamar A, Weiner M, Kizer J, Jones S, Goldberg Y. Outreach and equity in patient centered outcomes research: Lessons from the adaptable study at Montefiore hospital. Atherosclerosis 2021. [DOI: 10.1016/j.atherosclerosis.2021.06.834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Mörtzell Henriksson M, Weiner M, Sperker W, Berlin G, Segelmark M, Javier Martinez A, Audzijoniene J, Griskevicius A, Newman E, Blaha M, Vrielink H, Witt V, Stegmayr B. Analyses of registry data of patients with anti-GBM and antineutrophil cytoplasmatic antibody-associated (ANCA) vasculitis treated with or without therapeutic apheresis. Transfus Apher Sci 2021; 60:103227. [PMID: 34384719 DOI: 10.1016/j.transci.2021.103227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/29/2021] [Accepted: 07/29/2021] [Indexed: 11/26/2022]
Abstract
Therapeutic apheresis (TA) as a treatment for antibody-associated vasculitis (AAV) was questioned by the PEXIVAS although the MEPEX study favored TA. The aim of this study was to evaluate the efficacy of TA to improve renal function in patients consecutively included in the WAA-apheresis registry versus patients not treated with TA. MATERIALS AND METHODS Included were 192 patients that suffered from anti-glomerular basement membrane disease (anti-GBM, n = 28) and antineutrophil cytoplasmic antibody-associated vasculitis of MPO or PR3 origin. Of these 119 had performed TA and the other 73 had not performed TA for theses diagnoses (CTRL). RESULTS Elderly had an increased risk to die within 12 months (p = 0.002). All 28 anti-GBM had renal involvement, 21 dialysis dependent. At 3 month nine (36 %) did not need dialysis. Baseline data regarding renal function of AAV patients, subtype MPO and PR3, were worse in the TA groups than in CTRL. Recovery out of dialysis was better for the PR3-TA group compared with 1) the controls of MEPEX (RR 0.59, CI 0.43-0.80) and 2) the MPO-TA patients (RR 0.28, CI 0.12-0.68). The MPO-TA recovered similarly as the MEPEX-CTRL. Renal function improved most for TA-patients from baseline during the first 3 months (MPO-TA and PR3-TA) and stabilized thereafter and less for MPO-CTRL and PR3-CTRL. CONCLUSION PR3-TA patients seem to have best chances to get out of dialysis. PR3-TA and MPO-TA improved residual renal function better than CTRL. The present study recommends reconsiderations to use TA for AAV especially those with PR3-vasculitis with severe renal vasculitis.
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Affiliation(s)
| | - M Weiner
- Department of Nephrology in Linköping, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | | | - G Berlin
- Department of Clinical Immunology and Transfusion Medicine, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - M Segelmark
- Department of Clinical Sciences, Lund University, Lund, Sweden
| | | | | | | | - E Newman
- Concord Hospital, Sydney, Australia
| | - M Blaha
- Kralove University, Kralove, Czech Republic
| | | | - V Witt
- St Anna Kinderspital, Vienna, Austria
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13
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Weiner M, Coen M, Serratrice J, Mavrakanas TA, Leidi A. Acute kidney injury with partial Fanconi syndrome in a patient with leptospirosis: a case report. J Med Case Rep 2021; 15:358. [PMID: 34294111 PMCID: PMC8299617 DOI: 10.1186/s13256-021-02978-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/18/2021] [Indexed: 12/30/2022] Open
Abstract
Background Leptospirosis is an underdiagnosed bacterial infection with nonspecific symptoms, hence, a diagnostic challenge. Identifying a case of leptospirosis in Switzerland is uncommon. Although kidney complications are frequent in severe forms, including tubular dysfunction, observing this complication is rare in our country. We report the case of a patient with leptospirosis and kidney dysfunction, which was notable for proximal tubulopathy. This case report describes the diagnosis and management of this patient’s tubular dysfunction. Case presentation A 34-year-old Caucasian male known for alcohol and drug abuse presented to our emergency department suffering from severe pain in the lower limbs, jaundice, and fever with flu-like symptoms. Physical examination was not contributory. Blood tests showed cytopenia, elevated inflammatory markers, acute kidney injury, and altered liver function tests with predominant cholestasis. Urinalysis showed proteinuria and significant glycosuria without concomitant hyperglycemia. Leptospirosis was suspected and confirmed by both positive serum polymerase chain reaction and elevated immunoglobulin M for Leptospira interrogans. The patient was treated with intravenous amoxicillin–clavulanate and doxycycline for 7 days. After antibiotic treatment, symptoms disappeared, and kidney dysfunction completely resolved. Conclusion Our case focuses on the description of leptospirosis-related acute kidney injury with proximal tubular dysfunction, which is a rare finding in Switzerland.
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Affiliation(s)
- Marc Weiner
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland.
| | - Matteo Coen
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland.,Unit of Development and Research in Medical Education (UDREM), Faculty of Medicine, University of Geneva, 1211, Geneva, Switzerland
| | - Jacques Serratrice
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - Thomas A Mavrakanas
- Division of Nephrology, Department of Medicine, McGill University Health Centre, 1001 Decarie Boulevard, Montreal, QC, Canada
| | - Antonio Leidi
- Department of General Internal Medicine, Geneva University Hospital, Rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
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14
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Zhang N, Savic RM, Boeree MJ, Peloquin CA, Weiner M, Heinrich N, Bliven-Sizemore E, Phillips PPJ, Hoelscher M, Whitworth W, Morlock G, Posey J, Stout JE, Mac Kenzie W, Aarnoutse R, Dooley KE. Optimising pyrazinamide for the treatment of tuberculosis. Eur Respir J 2021; 58:13993003.02013-2020. [PMID: 33542052 DOI: 10.1183/13993003.02013-2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 12/11/2020] [Indexed: 11/05/2022]
Abstract
Pyrazinamide is a potent sterilising agent that shortens the treatment duration needed to cure tuberculosis. It is synergistic with novel and existing drugs for tuberculosis. The dose of pyrazinamide that optimises efficacy while remaining safe is uncertain, as is its potential role in shortening treatment duration further.Pharmacokinetic data, sputum culture, and safety laboratory results were compiled from Tuberculosis Trials Consortium (TBTC) studies 27 and 28 and Pan-African Consortium for the Evaluation of Antituberculosis Antibiotics (PanACEA) multi-arm multi-stage tuberculosis (MAMS-TB), multi-centre phase 2 trials in which participants received rifampicin (range 10-35 mg·kg-1), pyrazinamide (range 20-30 mg·kg-1), plus two companion drugs. Pyrazinamide pharmacokinetic-pharmacodynamic (PK-PD) and pharmacokinetic-toxicity analyses were performed.In TBTC studies (n=77), higher pyrazinamide maximum concentration (Cmax) was associated with shorter time to culture conversion (TTCC) and higher probability of 2-month culture conversion (p-value<0.001). Parametric survival analyses showed that relationships varied geographically, with steeper PK-PD relationships seen among non-African than African participants. In PanACEA MAMS-TB (n=363), TTCC decreased as pyrazinamide Cmax increased and varied by rifampicin area under the curve (p-value<0.01). Modelling and simulation suggested that very high doses of pyrazinamide (>4500 mg) or increasing both pyrazinamide and rifampicin would be required to reach targets associated with treatment shortening. Combining all trials, liver toxicity was rare (3.9% with grade 3 or higher liver function tests (LFT)), and no relationship was seen between pyrazinamide Cmax and LFT levels.Pyrazinamide's microbiological efficacy increases with increasing drug concentrations. Optimising pyrazinamide alone, though, is unlikely to be sufficient to allow tuberculosis treatment shortening; rather, rifampicin dose would need to be increased in parallel.
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Affiliation(s)
- Nan Zhang
- University of California, San Francisco, School of Pharmacy, San Francisco, CA, USA
| | - Radojka M Savic
- University of California, San Francisco, School of Pharmacy, San Francisco, CA, USA
| | - Martin J Boeree
- Depts of Lung Diseases and Pharmacy, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Charles A Peloquin
- College of Pharmacy and Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
| | - Marc Weiner
- Veterans Administration Medical Center, San Antonio, TX, USA
| | - Norbert Heinrich
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich, and German Center for Infection Research (DZIF), Munich Partner site, Munich, Germany
| | | | - Patrick P J Phillips
- Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA
| | - Michael Hoelscher
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich, and German Center for Infection Research (DZIF), Munich Partner site, Munich, Germany
| | | | - Glenn Morlock
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - James Posey
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Jason E Stout
- UCSF Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA
| | | | - Robert Aarnoutse
- Depts of Lung Diseases and Pharmacy, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Kelly E Dooley
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
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15
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Dorman SE, Nahid P, Kurbatova EV, Phillips PPJ, Bryant K, Dooley KE, Engle M, Goldberg SV, Phan HTT, Hakim J, Johnson JL, Lourens M, Martinson NA, Muzanyi G, Narunsky K, Nerette S, Nguyen NV, Pham TH, Pierre S, Purfield AE, Samaneka W, Savic RM, Sanne I, Scott NA, Shenje J, Sizemore E, Vernon A, Waja Z, Weiner M, Swindells S, Chaisson RE. Four-Month Rifapentine Regimens with or without Moxifloxacin for Tuberculosis. N Engl J Med 2021; 384:1705-1718. [PMID: 33951360 PMCID: PMC8282329 DOI: 10.1056/nejmoa2033400] [Citation(s) in RCA: 216] [Impact Index Per Article: 72.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Rifapentine-based regimens have potent antimycobacterial activity that may allow for a shorter course in patients with drug-susceptible pulmonary tuberculosis. METHODS In an open-label, phase 3, randomized, controlled trial involving persons with newly diagnosed pulmonary tuberculosis from 13 countries, we compared two 4-month rifapentine-based regimens with a standard 6-month regimen consisting of rifampin, isoniazid, pyrazinamide, and ethambutol (control) using a noninferiority margin of 6.6 percentage points. In one 4-month regimen, rifampin was replaced with rifapentine; in the other, rifampin was replaced with rifapentine and ethambutol with moxifloxacin. The primary efficacy outcome was survival free of tuberculosis at 12 months. RESULTS Among 2516 participants who had undergone randomization, 2343 had a culture positive for Mycobacterium tuberculosis that was not resistant to isoniazid, rifampin, or fluoroquinolones (microbiologically eligible population; 768 in the control group, 791 in the rifapentine-moxifloxacin group, and 784 in the rifapentine group), of whom 194 were coinfected with human immunodeficiency virus and 1703 had cavitation on chest radiography. A total of 2234 participants could be assessed for the primary outcome (assessable population; 726 in the control group, 756 in the rifapentine-moxifloxacin group, and 752 in the rifapentine group). Rifapentine with moxifloxacin was noninferior to the control in the microbiologically eligible population (15.5% vs. 14.6% had an unfavorable outcome; difference, 1.0 percentage point; 95% confidence interval [CI], -2.6 to 4.5) and in the assessable population (11.6% vs. 9.6%; difference, 2.0 percentage points; 95% CI, -1.1 to 5.1). Noninferiority was shown in the secondary and sensitivity analyses. Rifapentine without moxifloxacin was not shown to be noninferior to the control in either population (17.7% vs. 14.6% with an unfavorable outcome in the microbiologically eligible population; difference, 3.0 percentage points [95% CI, -0.6 to 6.6]; and 14.2% vs. 9.6% in the assessable population; difference, 4.4 percentage points [95% CI, 1.2 to 7.7]). Adverse events of grade 3 or higher occurred during the on-treatment period in 19.3% of participants in the control group, 18.8% in the rifapentine-moxifloxacin group, and 14.3% in the rifapentine group. CONCLUSIONS The efficacy of a 4-month rifapentine-based regimen containing moxifloxacin was noninferior to the standard 6-month regimen in the treatment of tuberculosis. (Funded by the Centers for Disease Control and Prevention and others; Study 31/A5349 ClinicalTrials.gov number, NCT02410772.).
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Affiliation(s)
- Susan E Dorman
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Payam Nahid
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Ekaterina V Kurbatova
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Patrick P J Phillips
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Kia Bryant
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Kelly E Dooley
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Melissa Engle
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Stefan V Goldberg
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Ha T T Phan
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - James Hakim
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - John L Johnson
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Madeleine Lourens
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Neil A Martinson
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Grace Muzanyi
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Kim Narunsky
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Sandy Nerette
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Nhung V Nguyen
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Thuong H Pham
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Samuel Pierre
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Anne E Purfield
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Wadzanai Samaneka
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Radojka M Savic
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Ian Sanne
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Nigel A Scott
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Justin Shenje
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Erin Sizemore
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Andrew Vernon
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Ziyaad Waja
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Marc Weiner
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Susan Swindells
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
| | - Richard E Chaisson
- From the Medical University of South Carolina, Charleston (S.E.D.); the UCSF Center for Tuberculosis, University of California, San Francisco, San Francisco (P.N., P.P.J.P., R.M.S.); the Vietnam National Tuberculosis Program-University of California, San Francisco Research Collaboration Unit (P.N., P.P.J.P., H.T.T.P., N.V.N., T.H.P., R.M.S.) and the National Lung Hospital (N.V.N., T.H.P.) - both in Hanoi; the Centers for Disease Control and Prevention, Atlanta (E.V.K., K.B., S.V.G., A.E.P., N.A.S., E.S., A.V.); the University of Texas Health Science Center at San Antonio and the South Texas Veterans Health Care System, San Antonio (M.E., M.W.); the University of Zimbabwe College of Health Sciences, Harare (J.H., W.S.); Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland (J.L.J.); the Uganda-Case Western Reserve University Research Collaboration, Kampala (J.L.J., G.M.); TASK (M.L.), the University of Cape Town Lung Institute (K.N.), and the South African Tuberculosis Vaccine Initiative (J.S.), Cape Town, the Perinatal HIV Research Unit, University of the Witwatersrand (N.A.M., Z.W.), and the Wits Health Consortium (I.S.), Johannesburg - all in South Africa; Johns Hopkins University School of Medicine, Baltimore (K.E.D., N.A.M., R.E.C.), and the U.S. Public Health Service Commissioned Corps, Rockville (A.E.P.) - both in Maryland; the Haitian Group for the Study of Kaposi's Sarcoma and Opportunistic Infections (GHESKIO), Port-au-Prince (S.N., S.P.); and the University of Nebraska Medical Center, Omaha (S.S.)
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Hooper C, Coley N, De Souto Barreto P, Payoux P, Salabert AS, Andrieu S, Weiner M, Vellas B. Cortical β-Amyloid in Older Adults Is Associated with Multidomain Interventions with and without Omega 3 Polyunsaturated Fatty Acid Supplementation. J Prev Alzheimers Dis 2021; 7:128-134. [PMID: 32236402 DOI: 10.14283/jpad.2020.4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Multidomain lifestyle interventions (including combinations of physical exercise, cognitive training and nutritional guidance) are attracting increasing research attention for reducing the risk of Alzheimer's disease (AD). Here we examined for the first time the cross-sectional relationship between cortical β-amyloid (Aβ) and multidomain lifestyle interventions (nutritional and exercise counselling and cognitive training), omega 3 polyunsaturated fatty acid (n-3 PUFA) supplementation or their combination in 269 participants of the Multidomain Alzheimer Preventive Trial (MAPT). In adjusted multiple linear regression models, compared to the control group (receiving placebo alone), cortical Aβ, measured once during follow-up (mean 512.7 ± 249.6 days post-baseline), was significantly lower in the groups receiving multidomain lifestyle intervention + placebo (mean difference, -0.088, 95 % CI, -0.148,-0.029, p = 0.004) or multidomain lifestyle intervention + n-3 PUFA (-0.100, 95 % CI, -0.160,-0.041, p = 0.001), but there was no difference in the n-3 PUFA supplementation alone group (-0.011, 95 % CI, -0.072,0.051, p = 0.729). Secondary analysis provided mixed results. Our findings suggest that multidomain interventions both with and without n-3 PUFA supplementation might be associated with lower cerebral Aβ. Future trials should investigate if such multidomain lifestyle interventions are causally associated with a reduction or the prevention of the accumulation of cerebral Aβ.
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Affiliation(s)
- C Hooper
- Claudie Hooper, Gérontopôle, Department of Geriatrics, CHU Toulouse, Purpan University Hospital, Toulouse, France , Tel : +33 (5) 61 77 64 25, Fax : +33 (5) 61 77 64 75
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17
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Weiner M, Gelfond J, Johnson-Pais TL, Engle M, Johnson JL, Whitworth WC, Bliven-Sizemore E, Nsubuga P, Dorman SE, Savic R. Decreased plasma rifapentine concentrations associated with AADAC single nucleotide polymorphism in adults with tuberculosis. J Antimicrob Chemother 2021; 76:582-586. [PMID: 33374006 DOI: 10.1093/jac/dkaa490] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/29/2020] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Rifapentine exposure is associated with bactericidal activity against Mycobacterium tuberculosis, but high interindividual variation in plasma concentrations is encountered. OBJECTIVES To investigate a genomic association with interindividual variation of rifapentine exposure, SNPs of six human genes involving rifamycin metabolism (AADAC, CES2), drug transport (SLCO1B1, SLCO1B3) and gene regulation (HNF4A, PXR) were evaluated. METHODS We characterized these genes in 173 adult participants in treatment trials of the Tuberculosis Trials Consortium. Participants were stratified by self-identified race (black or non-black), and rifapentine AUC from 0 to 24 h (AUC0-24) was adjusted by analysis of covariance for SNPs, rifapentine dose, sex, food and HIV coinfection. This study was registered at ClinicalTrials.gov under identifier NCT01043575. RESULTS The effect on rifapentine least squares mean AUC0-24 in black participants overall decreased by -10.2% for AADAC rs1803155 G versus A allele (Wald test: P = 0.03; false discovery rate, 0.10). Black participants with one G allele in AADAC rs1803155 were three times as likely to have below target bactericidal rifapentine exposure than black participants with the A allele (OR, 2.97; 95% CI: 1.16, 7.58). With two G alleles, the OR was greater. In non-black participants, AADAC rs1803155 SNP was not associated with rifapentine exposure. In both black and non-black participants, other evaluated genes were not associated with rifapentine exposure (P > 0.05; false discovery rate > 0.10). CONCLUSIONS Rifapentine exposure in black participants varied with AADAC rs1803155 genotype and the G allele was more likely to be associated with below bactericidal target rifapentine exposure. Further pharmacogenomic study is needed to characterize the association of the AADAC rs1803155 with inadequate rifapentine exposure in different patient groups.
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Affiliation(s)
- Marc Weiner
- University of Texas Health Science Center San Antonio, San Antonio, TX, USA.,South Texas Veterans Health Care System, San Antonio, TX, USA
| | - Jon Gelfond
- University of Texas Health Science Center San Antonio, San Antonio, TX, USA
| | | | - Melissa Engle
- University of Texas Health Science Center San Antonio, San Antonio, TX, USA
| | - John L Johnson
- Case Western Reserve University, University Hospitals Cleveland Medical Center, Cleveland, OH, USA.,Uganda-Case Western Reserve University Research Collaboration, Kampala, Uganda
| | - William C Whitworth
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Erin Bliven-Sizemore
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Pheona Nsubuga
- Uganda-Case Western Reserve University Research Collaboration, Kampala, Uganda
| | - Susan E Dorman
- Medical University of South Carolina, Charleston, SC, USA
| | - Rada Savic
- University of California San Francisco, San Francisco, CA, USA
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18
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Abstract
Aducanumab has been approved by the US Food and Drug Administration for treatment of Alzheimer's disease (AD). Clinicians require guidance on the appropriate use of this new therapy. An Expert Panel was assembled to construct Appropriate Use Recommendations based on the participant populations, conduct of the pivotal trials of aducanumab, updated Prescribing Information, and expert consensus. Aducanumab is an amyloid-targeting monoclonal antibody delivered by monthly intravenous infusions. The pivotal trials included patients with early AD (mild cognitive impairment due to AD and mild AD dementia) who had confirmed brain amyloid using amyloid positron tomography. The Expert Panel recommends that use of aducanumab be restricted to this population in which efficacy and safety have been studied. Aducanumab is titrated to a dose of 10 mg/kg over a 6-month period. The Expert Panel recommends that the aducanumab be titrated to the highest dose to maximize the opportunity for efficacy. Aducanumab can substantially increase the incidence of amyloid-related imaging abnormalities (ARIA) with brain effusion or hemorrhage. Dose interruption or treatment discontinuation is recommended for symptomatic ARIA and for moderate-severe ARIA. The Expert Panel recommends MRIs prior to initiating therapy, during the titration of the drug, and at any time the patient has symptoms suggestive of ARIA. Recommendations are made for measures less cumbersome than those used in trials for the assessment of effectiveness in the practice setting. The Expert Panel emphasized the critical importance of engaging in a process of patient-centered informed decision-making that includes comprehensive discussions and clear communication with the patient and care partner regarding the requirements for therapy, the expected outcome of therapy, potential risks and side effects, and the required safety monitoring, as well as uncertainties regarding individual responses and benefits.
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Affiliation(s)
- J Cummings
- Jeffrey Cummings, MD, ScD, 1380 Opal Valley Street, Henderson, NV 89052, , T: 702-902-3939
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19
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Hibma JE, Radtke KK, Dorman SE, Jindani A, Dooley KE, Weiner M, McIlleron HM, Savic RM. Rifapentine Population Pharmacokinetics and Dosing Recommendations for Latent Tuberculosis Infection. Am J Respir Crit Care Med 2020; 202:866-877. [PMID: 32412342 DOI: 10.1164/rccm.201912-2489oc] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Rationale: Rifapentine has been investigated at various doses, frequencies, and dosing algorithms, but clarity on the optimal dosing approach is lacking.Objectives: To characterize rifapentine population pharmacokinetics, including autoinduction, and determine optimal dosing strategies for short-course rifapentine-based regimens for latent tuberculosis infection.Methods: Rifapentine pharmacokinetic studies were identified though a systematic review of literature. Individual plasma concentrations were pooled, and nonlinear mixed-effects modeling was performed. A subset of data was reserved for external validation. Simulations were performed under various dosing conditions, including current weight-based methods; and alternative methods driven by identified covariates.Measurements and Main Results: We identified nine clinical studies with a total of 863 participants with pharmacokinetic data (n = 4,301 plasma samples). Rifapentine population pharmacokinetics were described successfully with a one-compartment distribution model. Autoinduction of clearance was driven by rifapentine plasma concentrations. The maximum effect was a 72% increase in clearance and was reached after 21 days. Drug bioavailability decreased by 27% with HIV infection, decreased by 28% with fasting, and increased by 49% with a high-fat meal. Body weight was not a clinically relevant predictor of clearance. Pharmacokinetic simulations showed that current weight-based dosing leads to lower exposures in individuals with low weight, which can be overcome with flat dosing. In HIV-positive patients, 30% higher doses are required to match drug exposure in HIV-negative patients.Conclusions: Weight-based dosing of rifapentine should be removed from clinical guidelines, and higher doses for HIV-positive patients should be considered to provide equivalent efficacy.
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Affiliation(s)
- Jennifer E Hibma
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California
| | - Kendra K Radtke
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California
| | - Susan E Dorman
- School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Amina Jindani
- St. George's, University of London, London, United Kingdom
| | - Kelly E Dooley
- School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Marc Weiner
- Department of Medicine, University of Texas Health Science Center, San Antonio, Texas.,South Texas Veterans Administration Medical Center, San Antonio, Texas; and
| | - Helen M McIlleron
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Radojka M Savic
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, California
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20
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Bateman RJ, Blennow K, Doody R, Hendrix S, Lovestone S, Salloway S, Schindler R, Weiner M, Zetterberg H, Aisen P, Vellas B. Plasma Biomarkers of AD Emerging as Essential Tools for Drug Development: An EU/US CTAD Task Force Report. J Prev Alzheimers Dis 2020; 6:169-173. [PMID: 31062827 DOI: 10.14283/jpad.2019.21] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
There is an urgent need to develop reliable and sensitive blood-based biomarkers of Alzheimer's disease (AD) that can be used for screening and to increase the efficiency of clinical trials. The European Union-North American Clinical Trials in Alzheimer's Disease Task Force (EU/US CTAD Task Force) discussed the current status of blood-based AD biomarker development at its 2018 annual meeting in Barcelona, Spain. Recent improvements in technologies to assess plasma levels of amyloid beta indicate that a single sample of blood could provide an accurate estimate of brain amyloid positivity. Plasma neurofilament light protein appears to provide a good marker of neurodegeneration, although not specific for AD. Plasma tau shows some promising results but weak or no correlation with CSF tau levels, which may reflect rapid clearance of tau in the bloodstream. Blood samples analyzed using -omics and other approaches are also in development and may provide important insight into disease mechanisms as well as biomarker profiles for disease prediction. To advance these technologies, international multidisciplinary, multi-stakeholder collaboration is essential.
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Affiliation(s)
- R J Bateman
- Randall J. Bateman, Washington University School of Medicine, St. Louis, MO, USA,
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21
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Gauthier S, Aisen PS, Cummings J, Detke MJ, Longo FM, Raman R, Sabbagh M, Schneider L, Tanzi R, Tariot P, Weiner M, Touchon J, Vellas B. Non-Amyloid Approaches to Disease Modification for Alzheimer's Disease: An EU/US CTAD Task Force Report. J Prev Alzheimers Dis 2020; 7:152-157. [PMID: 32420298 PMCID: PMC7223540 DOI: 10.14283/jpad.2020.18] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 03/23/2020] [Indexed: 02/07/2023]
Abstract
While amyloid-targeting therapies continue to predominate in the Alzheimer’s disease (AD) drug development pipeline, there is increasing recognition that to effectively treat the disease it may be necessary to target other mechanisms and pathways as well. In December 2019, The EU/US CTAD Task Force discussed these alternative approaches to disease modification in AD, focusing on tau-targeting therapies, neurotrophin receptor modulation, anti-microbial strategies, and the innate immune response; as well as vascular approaches, aging, and non-pharmacological approaches such as lifestyle intervention strategies, photobiomodulation and neurostimulation. The Task Force proposed a general strategy to accelerate the development of alternative treatment approaches, which would include increased partnerships and collaborations, improved trial designs, and further exploration of combination therapy strategies.
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Affiliation(s)
| | - P S Aisen
- 2Alzheimer's Therapeutic Research Institute (ATRI), Keck School of Medicine, University of Southern California, San Diego, CA USA
| | - J Cummings
- 3Department of Brain Health, School of Integrated Health Sciences, University of Nevada Las Vegas (UNLV), Las Vegas, USA
| | - M J Detke
- Cortexyme, South San Francisco, CA USA
| | - F M Longo
- 6Stanford University School of Medicine, Stanford, CA USA
| | - R Raman
- 2Alzheimer's Therapeutic Research Institute (ATRI), Keck School of Medicine, University of Southern California, San Diego, CA USA
| | - M Sabbagh
- 4Cleveland Clinic Lou Ruvo Center for Brain Health, Las Vegas, NV USA
| | - L Schneider
- 7University of Southern California Keck School of Medicine, Los Angeles, CA USA
| | - R Tanzi
- 8Harvard University, Boston, MA USA
| | - P Tariot
- 9Banner Alzheimer's Institute, Phoenix AZ, USA
| | - M Weiner
- 10University of California, San Francisco, CA USA
| | - J Touchon
- 11Montpellier University, INSERM 1061, Montpellier, France
| | - B Vellas
- 12Gerontopole, INSERM U1027, Alzheimer's Disease Research and Clinical Center, Toulouse University Hospital, Toulouse, France
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22
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Dorman SE, Nahid P, Kurbatova EV, Goldberg SV, Bozeman L, Burman WJ, Chang KC, Chen M, Cotton M, Dooley KE, Engle M, Feng PJ, Fletcher CV, Ha P, Heilig CM, Johnson JL, Lessem E, Metchock B, Miro JM, Nhung NV, Pettit AC, Phillips PPJ, Podany AT, Purfield AE, Robergeau K, Samaneka W, Scott NA, Sizemore E, Vernon A, Weiner M, Swindells S, Chaisson RE. High-dose rifapentine with or without moxifloxacin for shortening treatment of pulmonary tuberculosis: Study protocol for TBTC study 31/ACTG A5349 phase 3 clinical trial. Contemp Clin Trials 2020; 90:105938. [PMID: 31981713 PMCID: PMC7307310 DOI: 10.1016/j.cct.2020.105938] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 01/17/2020] [Accepted: 01/20/2020] [Indexed: 01/18/2023]
Abstract
INTRODUCTION Phase 2 clinical trials of tuberculosis treatment have shown that once-daily regimens in which rifampin is replaced by high dose rifapentine have potent antimicrobial activity that may be sufficient to shorten overall treatment duration. Herein we describe the design of an ongoing phase 3 clinical trial testing the hypothesis that once-daily regimens containing high dose rifapentine in combination with other anti-tuberculosis drugs administered for four months can achieve cure rates not worse than the conventional six-month treatment regimen. METHODS/DESIGN S31/A5349 is a multicenter randomized controlled phase 3 non-inferiority trial that compares two four-month regimens with the standard six-month regimen for treating drug-susceptible pulmonary tuberculosis in HIV-negative and HIV-positive patients. Both of the four-month regimens contain high-dose rifapentine instead of rifampin, with ethambutol replaced by moxifloxacin in one regimen. All drugs are administered seven days per week, and under direct observation at least five days per week. The primary outcome is tuberculosis disease-free survival at twelve months after study treatment assignment. A total of 2500 participants will be randomized; this gives 90% power to show non-inferiority with a 6.6% margin of non-inferiority. DISCUSSION This phase 3 trial formally tests the hypothesis that augmentation of rifamycin exposures can shorten tuberculosis treatment to four months. Trial design and standardized implementation optimize the likelihood of obtaining valid results. Results of this trial may have important implications for clinical management of tuberculosis at both individual and programmatic levels. TRIAL REGISTRATION NCT02410772. Registered 8 April 2015,https://www.clinicaltrials.gov/ct2/show/NCT02410772?term=02410772&rank=1.
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Affiliation(s)
- Susan E Dorman
- Medical University of South Carolina, Charleston, SC, USA.
| | - Payam Nahid
- University of California, San Francisco, California, USA
| | | | | | - Lorna Bozeman
- US Centers for Disease Control and Prevention, Atlanta, GA, USA
| | | | - Kwok-Chiu Chang
- Tuberculosis and Chest Service, Department of Health, Hong Kong
| | - Michael Chen
- US Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Mark Cotton
- Stellenbosch University, Cape Town, South Africa
| | - Kelly E Dooley
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Melissa Engle
- Audie L. Murphy Veterans Affairs Medical Center / University of Texas Health Science Center, San Antonio, TX, USA
| | - Pei-Jean Feng
- US Centers for Disease Control and Prevention, Atlanta, GA, USA
| | | | - Phan Ha
- Vietnam National TB Program (NTP)/UCSF Research Collaboration, Hanoi, Viet Nam
| | | | - John L Johnson
- Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center, Cleveland, OH, USA; Uganda-Case Western Reserve University Research Collaboration, Kampala, Uganda
| | | | | | - Jose M Miro
- Hospital Clinic-IDIBAPS, University of Barcelona, Barcelona, Spain
| | - Nguyen Viet Nhung
- Vietnam National TB Program (NTP)/UCSF Research Collaboration, Hanoi, Viet Nam
| | - April C Pettit
- Vanderbilt University Medical Center, Department of Medicine, Division of Infectious Diseases, Nashville, TN, USA
| | | | | | - Anne E Purfield
- US Centers for Disease Control and Prevention, Atlanta, GA, USA; U.S. Public Health Service Commissioned Corps, Rockville, MD, USA
| | | | | | - Nigel A Scott
- US Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Erin Sizemore
- US Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Andrew Vernon
- US Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Marc Weiner
- Audie L. Murphy Veterans Affairs Medical Center / University of Texas Health Science Center, San Antonio, TX, USA
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23
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Hooper C, De Souto Barreto P, Pahor M, Weiner M, Vellas B. The Relationship of Omega 3 Polyunsaturated Fatty Acids in Red Blood Cell Membranes with Cognitive Function and Brain Structure: A Review Focussed on Alzheimer's Disease. J Prev Alzheimers Dis 2019; 5:78-84. [PMID: 29405237 DOI: 10.14283/jpad.2017.19] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Significant research attention has focussed on the identification of nutraceutical agents for the prevention of cognitive decline as a natural means of cognitive preservation in the elderly. There is some evidence for a reduction of brain omega 3 polyunsaturated fatty acids (n-3 PUFAs) in normal aging and in Alzheimer's disease. n-3 PUFAs exhibit anti-inflammatory and anti-amyloidogenic properties as well as being able to reduce tau phosphorylation. Many observational studies have demonstrated a link between n-3 PUFAs and cognitive aging, and some, but not all, randomized controlled trials have demonstrated a benefit of n-3 PUFA supplementation on cognition, particularly in those subjects with mild cognitive impairment. The identification of a biomarker that reflects n-3 PUFA intake over time and consequent tissue levels is required. In this narrative review we discuss the evidence associating red blood cell membrane n-3 PUFAs with cognitive function and structural brain changes associated with Alzheimer's disease.
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Affiliation(s)
- C Hooper
- Claudie Hooper, Gérontopôle, Department of Geriatrics, CHU Toulouse, Purpan University Hospital, Toulouse, France, Tel : +33 (5) 61 77 64 25, Fax : +33 (5) 61 77 64 75
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24
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Aisen PS, Siemers E, Michelson D, Salloway S, Sampaio C, Carrillo MC, Sperling R, Doody R, Scheltens P, Bateman R, Weiner M, Vellas B. What Have We Learned from Expedition III and EPOCH Trials? Perspective of the CTAD Task Force. J Prev Alzheimers Dis 2019; 5:171-174. [PMID: 29972209 DOI: 10.14283/jpad.2018.23] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Although the results were disappointing from two recent clinical trials of amyloid-targeting drugs in mild-to-moderate AD, the trials provided information that will be important for future studies, according to the EU-US CTAD Task Force, which met in November 2017 to discuss the EXPEDITION3 and EPOCH trials. These trials tested two of the predominant drug development strategies for AD: amyloid immunotherapy and BACE inhibition in populations largely composed of mild AD dementia patients. The results of these trials support the emerging consensus that effective amyloid-targeted treatment will require intervention in early, even pre-symptomatic stages of the disease. Further, the Task Force suggested that a refinement of the amyloid hypothesis may be needed and that other hypotheses should be more fully explored. In addition, they called for improved biomarkers and other outcome assessments to detect the earliest changes in the development of AD.
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Affiliation(s)
- P S Aisen
- P.S. Aisen, University of Southern California Alzheimer's Therapeutic Research Institute, San Diego, CA, USA,
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Clark DO, Keith N, Weiner M, Xu H. Outcomes of an RCT of videoconference vs. in-person or in-clinic nutrition and exercise in midlife adults with obesity. Obes Sci Pract 2019; 5:111-119. [PMID: 31019728 PMCID: PMC6469332 DOI: 10.1002/osp4.318] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/29/2018] [Accepted: 12/03/2018] [Indexed: 01/07/2023] Open
Abstract
OBJECTIVE New communication technologies have shown some promise in lifestyle weight loss interventions but may be most effective when leveraging face-to-face communications. The study reported here sought to test whether weight loss programme attendance and outcomes are greater when offered in-person at community sites or remotely via videoconference vs. in Federally Qualified Health Centers (FQHCs). In a three-arm randomized trial among 150 FQHC adults, intervention delivery in community-sites or via videoconference was tested against a clinic-based lifestyle intervention (enhanced usual care [EUC]). METHODS Twice weekly, a nutrition topic was reviewed, and exercise sessions were held in a 20-week programme delivered either in community settings or via videoconference. The primary outcome was the proportion of participants losing more than 2 kg at 6 (end of treatment) and 12 months in intent-to-treat analyses. RESULTS Mean (SD) age was 53 years, 82% were women, 65% were African-American, 50% reported $18,000 or less household income and 49% tested low in health literacy, and mean (SD) body mass index was 39 kg m-2. The proportion losing more than 2 kg of weight in the community site, videoconference and EUC groups was 33%, 34% and 24%, respectively, at 6 months and 29%, 34% and 29% at 12 months. No differences reached significance. Attendance was poor in all groups; 45% of community site, 58% of videoconference and 16% of EUC participants attended at least one session. CONCLUSION Videoconference and community-based delivery were as effective as an FQHC-based weight loss programme.
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Affiliation(s)
- D. O. Clark
- Indiana University Center for Aging ResearchIndianapolisINUSA
- Regenstrief Institute, Inc.IndianapolisINUSA
- Department of Medicine, Division of General Internal Medicine and GeriatricsIndiana University School of MedicineIndianapolisINUSA
| | - N. Keith
- Indiana University Center for Aging ResearchIndianapolisINUSA
- Regenstrief Institute, Inc.IndianapolisINUSA
- School of Health and Human SciencesIndiana University‐Purdue University IndianapolisIndianapolisINUSA
| | - M. Weiner
- William M. Tierney Center for Health Services ResearchIndiana University School of Medicine, Regenstrief Institute, Inc.IndianapolisINUSA
| | - H. Xu
- Department of BiostatisticsIndiana University School of MedicineIndianapolisINUSA
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Aisen P, Touchon J, Amariglio R, Andrieu S, Bateman R, Breitner J, Donohue M, Dunn B, Doody R, Fox N, Gauthier S, Grundman M, Hendrix S, Ho C, Isaac M, Raman R, Rosenberg P, Schindler R, Schneider L, Sperling R, Tariot P, Welsh-Bohmer K, Weiner M, Vellas B. EU/US/CTAD Task Force: Lessons Learned from Recent and Current Alzheimer's Prevention Trials. J Prev Alzheimers Dis 2018; 4:116-124. [PMID: 29186281 DOI: 10.14283/jpad.2017.13] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
At a meeting of the EU/US/Clinical Trials in Alzheimer's Disease (CTAD) Task Force in December 2016, an international group of investigators from industry, academia, and regulatory agencies reviewed lessons learned from ongoing and planned prevention trials, which will help guide future clinical trials of AD treatments, particularly in the pre-clinical space. The Task Force discussed challenges that need to be addressed across all aspects of clinical trials, calling for innovation in recruitment and retention, infrastructure development, and the selection of outcome measures. While cognitive change provides a marker of disease progression across the disease continuum, there remains a need to identify the optimal assessment tools that provide clinically meaningful endpoints. Patient- and informant-reported assessments of cognition and function may be useful but present additional challenges. Imaging and other biomarkers are also essential to maximize the efficiency of and the information learned from clinical trials.
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Affiliation(s)
- P Aisen
- PPaul Aisen, Alzheimer's Therapeutic Research Institute (ATRI), Keck School of Medicine, University of Southern California, San Diego, CA, USA,
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Weiner M, Gelfond J, Johnson-Pais TL, Engle M, Peloquin CA, Johnson JL, Sizemore EE, Mac Kenzie WR. Elevated Plasma Moxifloxacin Concentrations and SLCO1B1 g.-11187G>A Polymorphism in Adults with Pulmonary Tuberculosis. Antimicrob Agents Chemother 2018; 62:e01802-17. [PMID: 29463526 PMCID: PMC5923103 DOI: 10.1128/aac.01802-17] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 02/08/2018] [Indexed: 01/30/2023] Open
Abstract
Moxifloxacin exhibits concentration-dependent prolongation of human QTc intervals and bactericidal activity against Mycobacterium tuberculosis However, moxifloxacin plasma concentrations are variable between patients. We evaluated whether human gene polymorphisms affect moxifloxacin plasma concentrations in tuberculosis patients from two geographic regions. We enrolled a convenience sample of 49 adults with drug-sensitive pulmonary tuberculosis from Africa and the United States enrolled in two treatment trials of moxifloxacin as part of multidrug therapy. Pharmacokinetic parameters were evaluated by noncompartmental techniques. Human single-nucleotide polymorphisms of transporter genes were evaluated by analysis of covariance (ANCOVA) on moxifloxacin exposure and the peak (maximum) concentration (Cmax). The moxifloxacin area under the concentration-time curve from 0 to 24 h (AUC0-24) and Cmax were significantly increased by the drug milligram-per-kilogram dosage and the genotype of variant g.-11187G>A in the SLCO1B1 gene (rs4149015) but not by geographic region. The median moxifloxacin AUC0-24 was 46% higher and the median Cmax was 30% higher in 4 (8%) participants who had the SLCO1B1 g.-11187 AG genotype than in 45 participants who had the wild-type GG genotype (median AUC0-24 from the model, 34.4 versus 23.6 μg · h/ml [P = 0.005, ANCOVA]; median Cmax from the model, 3.5 versus 2.7 μg/ml [P = 0.009, ANCOVA]). Because moxifloxacin exhibits concentration-dependent prolongation of human QTc intervals and prolonged QTc intervals are associated with cardiac arrhythmia, further study is needed to evaluate the risk associated with the SLCO1B1 g.-11187G>A variant. (This study has been registered at ClinicalTrials.gov under identifier NCT00164463.).
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Affiliation(s)
- Marc Weiner
- University of Texas Health Science Center, San Antonio, San Antonio, Texas, USA
- South Texas Veterans Health Care System, San Antonio, Texas, USA
| | - Jon Gelfond
- University of Texas Health Science Center, San Antonio, San Antonio, Texas, USA
| | | | - Melissa Engle
- University of Texas Health Science Center, San Antonio, San Antonio, Texas, USA
| | | | - John L Johnson
- Case Western Reserve University, Department of Medicine, Uganda-Case Western Reserve University Research Collaboration, Cleveland, Ohio, USA
| | - Erin E Sizemore
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - William R Mac Kenzie
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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Krajewska-Wędzina M, Olech W, Kozińska M, Augustynowicz-Kopeć E, Weiner M, Szulowski K. Bovine tuberculosis outbreak in farmed American bison (Bison bison) in Poland. Pol J Vet Sci 2018; 20:819-821. [PMID: 29611649 DOI: 10.1515/pjvs-2017-0103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Poland has been an officially bovine tuberculosis (bTB) free country for the last seven years. The problem currently observed is the increasing number of new cases of bTB in wild species, kept in a farmed herd and free-living herd: European bison (Bison bonasus), wild boar (Sus scrofa), wolves (Canis lupus) and red deer (Cervus elaphus). This article presents the case of Mycobacterium caprae transmission to an American bison (Bison bison) herd kept on a private farm in Eastern Poland.
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Affiliation(s)
- M Krajewska-Wędzina
- National Veterinary Research Institute, Department of Microbiology, Partyzantów 57, 24-100, Puławy, Poland
| | - W Olech
- Department of Genetics and Animal Breeding, Warsaw University of Life Sciences - SGGW, Nowoursynowska 166, 02-787 Warsaw, Poland
| | - M Kozińska
- National Tuberculosis and Lung Disease Institute, Płocka 26, 01-138 Warszawa, Poland, Poland
| | - E Augustynowicz-Kopeć
- National Tuberculosis and Lung Disease Institute, Płocka 26, 01-138 Warszawa, Poland, Poland
| | - M Weiner
- Pope John Paul II State School of Higher Education in Biała Podlaska, Sidorska 95/97, 21-500 Biała Podlaska, Poland
| | - K Szulowski
- National Veterinary Research Institute, Department of Microbiology, Partyzantów 57, 24-100, Puławy, Poland
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Belknap R, Holland D, Feng PJ, Millet JP, Caylà JA, Martinson NA, Wright A, Chen MP, Moro RN, Scott NA, Arevalo B, Miró JM, Villarino ME, Weiner M, Borisov AS. Self-administered Versus Directly Observed Once-Weekly Isoniazid and Rifapentine Treatment of Latent Tuberculosis Infection: A Randomized Trial. Ann Intern Med 2017; 167:689-697. [PMID: 29114781 PMCID: PMC5766341 DOI: 10.7326/m17-1150] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Expanding latent tuberculosis treatment is important to decrease active disease globally. Once-weekly isoniazid and rifapentine for 12 doses is effective but limited by requiring direct observation. OBJECTIVE To compare treatment completion and safety of once-weekly isoniazid and rifapentine by self-administration versus direct observation. DESIGN An open-label, phase 4 randomized clinical trial designed as a noninferiority study with a 15% margin. Seventy-five percent or more of study patients were enrolled from the United States for a prespecified subgroup analysis. (ClinicalTrials.gov: NCT01582711). SETTING Outpatient tuberculosis clinics in the United States, Spain, Hong Kong, and South Africa. PARTICIPANTS 1002 adults (aged ≥18 years) recommended for treatment of latent tuberculosis infection. INTERVENTION Participants received once-weekly isoniazid and rifapentine by direct observation, self-administration with monthly monitoring, or self-administration with weekly text message reminders and monthly monitoring. MEASUREMENTS The primary outcome was treatment completion, defined as 11 or more doses within 16 weeks and measured using clinical documentation and pill counts for direct observation, and self-reports, pill counts, and medication event-monitoring devices for self-administration. The main secondary outcome was adverse events. RESULTS Median age was 36 years, 48% of participants were women, and 77% were enrolled at the U.S. sites. Treatment completion was 87.2% (95% CI, 83.1% to 90.5%) in the direct-observation group, 74.0% (CI, 68.9% to 78.6%) in the self-administration group, and 76.4% (CI, 71.3% to 80.8%) in the self-administration-with-reminders group. In the United States, treatment completion was 85.4% (CI, 80.4% to 89.4%), 77.9% (CI, 72.7% to 82.6%), and 76.7% (CI, 70.9% to 81.7%), respectively. Self-administered therapy without reminders was noninferior to direct observation in the United States; no other comparisons met noninferiority criteria. A few drug-related adverse events occurred and were similar across groups. LIMITATION Persons with latent tuberculosis infection enrolled in South Africa would not routinely be treated programmatically. CONCLUSION These results support using self-administered, once-weekly isoniazid and rifapentine to treat latent tuberculosis infection in the United States, and such treatment could be considered in similar settings when direct observation is not feasible. PRIMARY FUNDING SOURCE Centers for Disease Control and Prevention.
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Affiliation(s)
- Robert Belknap
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - David Holland
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Pei-Jean Feng
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Joan-Pau Millet
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Joan A Caylà
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Neil A Martinson
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Alicia Wright
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Michael P Chen
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Ruth N Moro
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Nigel A Scott
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Bert Arevalo
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - José M Miró
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Margarita E Villarino
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Marc Weiner
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
| | - Andrey S Borisov
- From Denver Health and Hospital Authority and the University of Colorado Health Sciences Center, Denver, Colorado; Emory University and Fulton County Department of Health and Wellness, Atlanta, Georgia; Centers for Disease Control and Prevention, Atlanta, Georgia; Public Health Agency of Barcelona and CIBER de Epidemiología y Salud Pública, Barcelona, Spain; University of the Witwatersrand, Johannesburg, South Africa; Vanderbilt University, Nashville, Tennessee; Westat, Fort Lauderdale, Florida; University of Barcelona, Barcelona, Spain; and University of Texas Health Science Center and Veterans Administration Medical Center, San Antonio, Texas
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Sigal GB, Segal MR, Mathew A, Jarlsberg L, Wang M, Barbero S, Small N, Haynesworth K, Davis JL, Weiner M, Whitworth WC, Jacobs J, Schorey J, Lewinsohn DM, Nahid P. Biomarkers of Tuberculosis Severity and Treatment Effect: A Directed Screen of 70 Host Markers in a Randomized Clinical Trial. EBioMedicine 2017; 25:112-121. [PMID: 29100778 PMCID: PMC5704068 DOI: 10.1016/j.ebiom.2017.10.018] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 10/15/2017] [Accepted: 10/19/2017] [Indexed: 01/19/2023] Open
Abstract
More efficacious treatment regimens are needed for tuberculosis, however, drug development is impeded by a lack of reliable biomarkers of disease severity and of treatment effect. We conducted a directed screen of host biomarkers in participants enrolled in a tuberculosis clinical trial to address this need. Serum samples from 319 protocol-correct, culture-confirmed pulmonary tuberculosis patients treated under direct observation as part of an international, phase 2 trial were screened for 70 markers of infection, inflammation, and metabolism. Biomarker assays were specifically developed for this study and quantified using a novel, multiplexed electrochemiluminescence assay. We evaluated the association of biomarkers with baseline characteristics, as well as with detailed microbiologic data, using Bonferroni-adjusted, linear regression models. Across numerous analyses, seven proteins, SAA1, PCT, IL-1β, IL-6, CRP, PTX-3 and MMP-8, showed recurring strong associations with markers of baseline disease severity, smear grade and cavitation; were strongly modulated by tuberculosis treatment; and had responses that were greater for patients who culture-converted at 8weeks. With treatment, all proteins decreased, except for osteocalcin, MCP-1 and MCP-4, which significantly increased. Several previously reported putative tuberculosis-associated biomarkers (HOMX1, neopterin, and cathelicidin) were not significantly associated with treatment response. In conclusion, across a geographically diverse and large population of tuberculosis patients enrolled in a clinical trial, several previously reported putative biomarkers were not significantly associated with treatment response, however, seven proteins had recurring strong associations with baseline radiographic and microbiologic measures of disease severity, as well as with early treatment response, deserving additional study.
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Affiliation(s)
- G B Sigal
- Meso Scale Diagnostics, LLC, Rockville, MD, USA.
| | - M R Segal
- University of California, San Francisco, CA, USA
| | - A Mathew
- Meso Scale Diagnostics, LLC, Rockville, MD, USA
| | - L Jarlsberg
- University of California, San Francisco, CA, USA
| | - M Wang
- Meso Scale Diagnostics, LLC, Rockville, MD, USA
| | - S Barbero
- Meso Scale Diagnostics, LLC, Rockville, MD, USA
| | - N Small
- Meso Scale Diagnostics, LLC, Rockville, MD, USA
| | | | - J L Davis
- Yale School of Public Health and Yale School of Medicine, New Haven, CT, USA
| | - M Weiner
- San Antonio VA Medical Center, San Antonio, TX, USA
| | - W C Whitworth
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - J Jacobs
- Pacific Northwest National Laboratory, Richland, WA, USA
| | - J Schorey
- University of Notre Dame, Notre Dame, IN, USA
| | - D M Lewinsohn
- Oregon Health and Science University, Portland, OR, USA
| | - P Nahid
- University of California, San Francisco, CA, USA.
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Balogh J, Gordon-Burroughs S, Schwarz P, Galati J, McFadden R, Cusick M, Snyder M, Bailey H, Weiner M, Wong A, Ochoa R, Saharia A, Gaber A, Ghobrial R. Treatment of Refractory Gastrointestinal Bleeding in Patients With Portal Hypertension: A Case Series and Treatment Algorithm. Transplant Proc 2017; 49:1864-1869. [DOI: 10.1016/j.transproceed.2017.06.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Accepted: 06/16/2017] [Indexed: 12/29/2022]
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Smith E, Hynan L, Lacritz L, Cullum C, Van Wright A, Weiner M, Rossetti H. A-21Detection of MCI in African Americans Using the Montreal Cognitive Assessment (MoCA). Arch Clin Neuropsychol 2017. [DOI: 10.1093/arclin/acx076.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Franco R, Weiner M, Wagner K, Martelo O, Ragno G, Pivacek L, Valeri C. The 24-Hour Posttransfusion Survival and Lifespan of
Autologous Baboon Red Cells Treated with Inositol
Hexaphosphate-Polyethylene Glycol or Inositol
Hexaphosphate-Adenosine Triphosphate-Polyethylene Glycol to
Decrease Oxygen Affinity. Vox Sang 2017. [DOI: 10.1159/000461845] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Weiner M. TELEHEALTH AND RESIDENTIAL CARE. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.3609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- M. Weiner
- Indiana University, Bloomington, Indiana
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Savic RM, Weiner M, MacKenzie WR, Engle M, Whitworth WC, Johnson JL, Nsubuga P, Nahid P, Nguyen NV, Peloquin CA, Dooley KE, Dorman SE. Defining the optimal dose of rifapentine for pulmonary tuberculosis: Exposure-response relations from two phase II clinical trials. Clin Pharmacol Ther 2017; 102:321-331. [PMID: 28124478 PMCID: PMC5545752 DOI: 10.1002/cpt.634] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 12/28/2016] [Accepted: 01/16/2017] [Indexed: 01/01/2023]
Abstract
Rifapentine is a highly active antituberculosis antibiotic with treatment-shortening potential; however, exposure-response relations and the dose needed for maximal bactericidal activity have not been established. We used pharmacokinetic/pharmacodynamic data from 657 adults with pulmonary tuberculosis participating in treatment trials to compare rifapentine (n = 405) with rifampin (n = 252) as part of intensive-phase therapy. Population pharmacokinetic/pharmacodynamic analyses were performed with nonlinear mixed-effects modeling. Time to stable culture conversion of sputum to negative was determined in cultures obtained over 4 months of therapy. Rifapentine exposures were lower in participants who were coinfected with human immunodeficiency virus, black, male, or fasting when taking drug. Rifapentine exposure, large lung cavity size, and geographic region were independently associated with time to culture conversion in liquid media. Maximal treatment efficacy is likely achieved with rifapentine at 1,200 mg daily. Patients with large lung cavities appear less responsive to treatment, even at high rifapentine doses.
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Affiliation(s)
- R M Savic
- University of California San Francisco School of Pharmacy, San Francisco, California, USA
| | - M Weiner
- Veterans Administration Medical Center, San Antonio, Texas, USA.,University of Texas Health Science Center, San Antonio, Texas, USA
| | - W R MacKenzie
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - M Engle
- University of Texas Health Science Center, San Antonio, Texas, USA
| | - W C Whitworth
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - J L Johnson
- Case Western Reserve University School of Medicine and University Hospitals Case Medical Center, Cleveland, Ohio, USA.,Uganda-Case Western Reserve University Research Collaboration, Kampala, Uganda
| | - P Nsubuga
- Uganda-Case Western Reserve University Research Collaboration, Kampala, Uganda
| | - P Nahid
- University of California San Francisco School of Medicine, San Francisco, California, USA.,National Tuberculosis Program, Hanoi, Vietnam
| | - N V Nguyen
- National Tuberculosis Program, Hanoi, Vietnam
| | - C A Peloquin
- College of Pharmacy and Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
| | - K E Dooley
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - S E Dorman
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Hooper C, De Souto Barreto P, Coley N, Caussé E, Payoux P, Salabert AS, Cesari M, Andrieu S, Bowman GL, Weiner M, Vellas B. Cross-Sectional Associations of Total Plasma Homocysteine with Cortical β-Amyloid Independently and as a Function of Omega 3 Polyunsaturated Fatty Acid Status in Older Adults at Risk of Dementia. J Nutr Health Aging 2017; 21:1075-1080. [PMID: 29188863 DOI: 10.1007/s12603-017-0989-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Elevated total plasma homocysteine is a risk factor for Alzheimer's disease (AD) and there is some evidence that omega-3 polyunsaturated fatty acids (n-3 PUFAs) can modulate the effects of homocysteine-lowering B vitamins on AD related pathologies. Hence we investigated the relationship between total plasma homocysteine and cortical β-amyloid (Aβ) in older adults at risk of dementia. The role of erythrocyte membrane n-3 PUFAs (omega 3 index) on this relationship was also explored. DESIGN This is a cross-sectional study using data from the Multidomain Alzheimer Preventive Trial (MAPT); a randomised controlled trial. SETTING French community dwellers aged 70 or over reporting subjective memory complaints, but free from a diagnosis of clinical dementia. PARTICIPANTS Individuals were from the MAPT trial (n = 177) with data on total plasma homocysteine at baseline and cortical Aβ load. MEASUREMENTS Cortical-to-cerebellar standard uptake value ratios were assessed using [18F] florbetapir positron emission tomography (PET). Total baseline plasma homocysteine was measured using an enzymatic cycling assay. Baseline omega 3 index was measured using gas chromatography. Cross-sectional associations were explored using adjusted multiple linear regression models. RESULTS We found that total baseline plasma homocysteine was not significantly associated with cortical Aβ as demonstrated using multiple linear regression models adjusted for age, sex, education, cognitive status, time interval between baseline and PET-scan, omega-3 index, MAPT group allocation and Apolipoprotein E ε4 status (B-coefficient -0.001, 95 % CI: -0.008,0.006, p = 0.838). Exploratory analysis showed that homocysteine was however significantly associated with cortical Aβ in subjects with low baseline omega-3 index (< 4.72 %) after adjustment for Apolipoprotein E ε4 status (B-coefficient 0.041, 95 % CI: 0.017,0.066, p = 0.005, n = 10), but not in subjects with a high baseline omega-3 index (B-coefficient -0.010, 95 % CI: -0.023,0.003, p = 0.132, n = 66). CONCLUSIONS The role of n-3 PUFAs on the relationship between homocysteine and cerebral Aβ warrants further investigation.
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Affiliation(s)
- C Hooper
- Claudie Hooper, Gérontopôle, Department of Geriatrics, CHU Toulouse, Purpan University Hospital, Toulouse, France, , Tel : +33 (5) 61 77 64 25; Fax : +33 (5) 61 77 64 75
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Touchon J, Rosenbaum J, Aisen P, Andrieu S, Carrillo MC, Ceccaldi M, Dartiques JF, Feldman H, Gabelle A, Isaac M, Fitten LJ, Sperling RA, Vellas B, Tariot P, Weiner M. Editorial: Collaborative Efforts to Prevent Alzheimer's Disease. J Nutr Health Aging 2017; 21:1072-1074. [PMID: 29188862 DOI: 10.1007/s12603-017-0961-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- J Touchon
- Jacques Touchon, University Hospital of Montpellier, 34025 Montpellier Cedex 5, France,
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Abstract
CONTEXT The number of patients currently awaiting lung transplantation far exceeds the supply of available organs. Adherence to postoperative treatment regimens is essential for optimal posttransplant success. OBJECTIVE The present study was designed to examine the demographic and psychological factors associated with compliance in patients who have had lung transplants. DESIGN Eighteen women and 13 men participated in this study an average of 24 months after transplantation, completing a demographic form, a self-report compliance measure, a social support questionnaire, and the Multidimensional Health Locus of Control Scale. A significant other or family member and the posttransplant nurse coordinator also rated each subject's compliance with the posttransplant regimen. RESULTS Although patients rated themselves as being compliant with aspects of their self-care, on more subtle measures of compliance, their self-reported compliance was not as impressive. Patients who had had their transplants more recently appeared to be more compliant. Patients with cystic fibrosis used their spirometer more often than patients with other lung diseases. Family support was significantly correlated with self-reported compliance. CONCLUSIONS This study suggests that how patients are asked about adherence to treatment regimens influences how compliant they appear. The data also indicate that the longer after transplant, the less compliant the patient, and suggests the need for patient reeducation at some point after transplant. Longitudinal studies are needed to assess the degree to which compliance affects the number of rejection and febrile episodes as well as patient mortality after lung transplant.
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Fine JD, Johnson LB, Weiner M, Stein A, Cash S, Deleoz J, Devries DT, Suchindran C. Pseudosyndactyly and Musculoskeletal Contractures in Inherited Epidermolysis Bullosa: Experience of the National Epidermolysis Bullosa Registry, 1986–2002. ACTA ACUST UNITED AC 2016; 30:14-22. [PMID: 15620486 DOI: 10.1016/j.jhsb.2004.07.006] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2004] [Accepted: 07/09/2004] [Indexed: 11/27/2022]
Abstract
Mitten deformities of the hands and feet occur in nearly every patient with the most severe subtype (Hallopeau-Siemens) of recessive dystrophic epidermolysis bullosa, and in at least 40–50% of all other recessive dystrophic epidermolysis bullosa patients. Smaller numbers of patients with dominant dystrophic, junctional, and simplex types of epidermolysis bullosa are also at risk of this complication. Surgical intervention is commonly performed to correct these deformities, but recurrence and the need for repeated surgery are common. Higher numbers of epidermolysis bullosa patients also develop musculoskeletal contractures in other anatomic sites, further impairing overall function. Lifetable analyses not only better project the cumulative risk of mitten deformities and other contractures but also emphasize the need for early surveillance and intervention, since both of these musculoskeletal complications may occur within the first year of life.
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Affiliation(s)
- J-D Fine
- National Epidermolysis Bullosa Registry, Nashville, Tennessee, USA.
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Luetkemeyer AF, Firnhaber C, Kendall MA, Wu X, Mazurek GH, Benator DA, Arduino R, Fernandez M, Guy E, Johnson P, Metchock B, Sattler F, Telzak E, Wang YF, Weiner M, Swindells S, Sanne IM, Havlir DV, Grinsztejn B, Alland D. Evaluation of Xpert MTB/RIF Versus AFB Smear and Culture to Identify Pulmonary Tuberculosis in Patients With Suspected Tuberculosis From Low and Higher Prevalence Settings. Clin Infect Dis 2016; 62:1081-8. [PMID: 26839383 DOI: 10.1093/cid/ciw035] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 11/13/2015] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The Xpert MTB/RIF (Xpert) assay is a rapid nucleic acid amplification test widely used in settings of high tuberculosis prevalence to detect tuberculosis as well asrpoBmutations associated with rifampin resistance. Data are needed on the diagnostic performance of Xpert in lower-prevalence settings to inform appropriate use for both tuberculosis detection and the need for respiratory isolation. METHODS Xpert was compared to 2 sputum samples, each evaluated with acid-fast bacilli (AFB) smear and mycobacterial culture using liquid and solid culture media, from participants with suspected pulmonary tuberculosis from the United States, Brazil, and South Africa. RESULTS Of 992 participants enrolled with evaluable results, 22% had culture-confirmed tuberculosis. In 638 (64%) US participants, 1 Xpert result demonstrated sensitivity of 85.2% (96.7% in participants with AFB smear-positive [AFB(+)] sputum, 59.3% with AFB smear-negative [AFB(-)] sputum), specificity of 99.2%, negative predictive value (NPV) of 97.6%, and positive predictive value of 94.9%. Results did not differ between higher- and low-prevalence settings. A second Xpert assay increased overall sensitivity to 91.1% (100% if AFB(+), 71.4% if AFB(-)), with specificity of 98.9%. In US participants, a single negative Xpert result predicted the absence of AFB(+)/culture-positive tuberculosis with an NPV of 99.7%; NPV of 2 Xpert assays was 100%, suggesting a role in removing patients from airborne infection isolation. Xpert detected tuberculosis DNA and mutations associated with rifampin resistance in 5 of 7 participants with rifampin-resistant, culture-positive tuberculosis. Specificity for rifampin resistance was 99.5% and NPV was 98.9%. CONCLUSIONS In the United States, Xpert testing performed comparably to 2 higher-tuberculosis-prevalence settings. These data support the use of Xpert in the initial evaluation of tuberculosis suspects and in algorithms assessing need for respiratory isolation.
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Affiliation(s)
- Anne F Luetkemeyer
- Division of HIV, Infectious Diseases and Global Medicine, San Francisco General Hospital, University of California
| | - Cynthia Firnhaber
- Clinical HIV Research Unit Department of Internal Medicine, Faculty of Health Sciences, University of the Witwatersrand Right to Care, Johannesburg, South Africa
| | - Michelle A Kendall
- Center for Biostatistics in AIDS Research, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Xingye Wu
- Center for Biostatistics in AIDS Research, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Gerald H Mazurek
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Debra A Benator
- Infectious Diseases Section, Veterans Affairs Medical Center and The George Washington University, Washington D.C
| | - Roberto Arduino
- Department of Internal Medicine, Division of Infectious Diseases, The University of Texas Health Science Center at Houston
| | - Michel Fernandez
- University of North Texas Health Science Center, Tarrant County Health Department, Fort Worth
| | - Elizabeth Guy
- Section of Pulmonary Critical Care and Sleep Medicine, Baylor College of Medicine, Ben Taub General Hospital, Houston, Texas
| | | | - Beverly Metchock
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Fred Sattler
- Division of Infectious Diseases, Keck School of Medicine of USC, Los Angeles, California
| | - Edward Telzak
- St. Barnabus Hospital Health System, Albert Einstein College of Medicine, Bronx, New York
| | - Yun F Wang
- Emory University School of Medicine, Grady Memorial Hospital, Atlanta, Georgia
| | - Marc Weiner
- Department of Medicine, University of Texas Health Science Center, Veterans Administration Medical Center, San Antonio
| | - Susan Swindells
- Internal Medicine/Infectious Diseases, University of Nebraska Medical Center, Lincoln
| | - Ian M Sanne
- Right to Care, Johannesburg, South Africa Department of Internal Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Diane V Havlir
- Division of HIV, Infectious Diseases and Global Medicine, San Francisco General Hospital, University of California
| | - Beatriz Grinsztejn
- Infectious Diseases Department, Instituto de Pesquisa Clinica Evandro Chagas Fiocruz, Fundacao Oswaldo Cruz, Rio de Janeiro, Brazil
| | - David Alland
- Division of Infectious Disease, Rutgers New Jersey Medical School, Newark
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Wadsworth H, Galusha-Glasscock J, Hynan L, Weiner M, Cullum C. C-13Feasibility and Reliability of Videoconference-Based Administration of a Brief Neuropsychological Battery in a Rural American Indian Population. Arch Clin Neuropsychol 2015. [DOI: 10.1093/arclin/acv047.215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Paulson J, Samuelson K, Neylan T, Chao L, Weiner M, O'Donovan A. NEUROPSYCHOLOGICAL DOMAINS: MEMORY AND AMNESIAA-94Decreased Delayed Verbal Recall in current, but not Past, PTSD. Arch Clin Neuropsychol 2015. [DOI: 10.1093/arclin/acv047.94] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Zonnur S, Falkeis C, Ondang G, Weiner M, Maier H, Agaimy A. [Huge lipomatous tumor in the adductor muscle]. Pathologe 2015; 36:394-6. [PMID: 26148845 DOI: 10.1007/s00292-014-2065-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Deep-seated lipomatous tumors of the peripheral soft tissue of the extremities are uncommon. The majority represent atypical lipomatous tumors or well-differentiated liposarcomas. On rare occasions benign adipocytic tumors, such as hibernoma may present as huge, deep-lying subfascial masses. As a consequence of the deep location and usually heterogeneous signal intensities in imaging, they are particularly at risk to be misinterpreted as liposarcomas on clinical grounds. Furthermore, the rarity and thus limited familiarity with the morphological appearance and spectrum still represent a pitfall for the histopathological assessment.
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Affiliation(s)
- S Zonnur
- Institut für Pathologie, Universitätsmedizin Rostock, Strempelstr. 14, 18057, Rostock, Deutschland,
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Dorman SE, Savic RM, Goldberg S, Stout JE, Schluger N, Muzanyi G, Johnson JL, Nahid P, Hecker EJ, Heilig CM, Bozeman L, Feng PJI, Moro RN, MacKenzie W, Dooley KE, Nuermberger EL, Vernon A, Weiner M. Daily rifapentine for treatment of pulmonary tuberculosis. A randomized, dose-ranging trial. Am J Respir Crit Care Med 2015; 191:333-43. [PMID: 25489785 DOI: 10.1164/rccm.201410-1843oc] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
RATIONALE Rifapentine has potent activity in mouse models of tuberculosis chemotherapy but its optimal dose and exposure in humans are unknown. OBJECTIVES We conducted a randomized, partially blinded dose-ranging study to determine tolerability, safety, and antimicrobial activity of daily rifapentine for pulmonary tuberculosis treatment. METHODS Adults with sputum smear-positive pulmonary tuberculosis were assigned rifapentine 10, 15, or 20 mg/kg or rifampin 10 mg/kg daily for 8 weeks (intensive phase), with isoniazid, pyrazinamide, and ethambutol. The primary tolerability end point was treatment discontinuation. The primary efficacy end point was negative sputum cultures at completion of intensive phase. MEASUREMENTS AND MAIN RESULTS A total of 334 participants were enrolled. At completion of intensive phase, cultures on solid media were negative in 81.3% of participants in the rifampin group versus 92.5% (P = 0.097), 89.4% (P = 0.29), and 94.7% (P = 0.049) in the rifapentine 10, 15, and 20 mg/kg groups. Liquid cultures were negative in 56.3% (rifampin group) versus 74.6% (P = 0.042), 69.7% (P = 0.16), and 82.5% (P = 0.004), respectively. Compared with the rifampin group, the proportion negative at the end of intensive phase was higher among rifapentine recipients who had high rifapentine areas under the concentration-time curve. Percentages of participants discontinuing assigned treatment for reasons other than microbiologic ineligibility were similar across groups (rifampin, 8.2%; rifapentine 10, 15, or 20 mg/kg, 3.4, 2.5, and 7.4%, respectively). CONCLUSIONS Daily rifapentine was well-tolerated and safe. High rifapentine exposures were associated with high levels of sputum sterilization at completion of intensive phase. Further studies are warranted to determine if regimens that deliver high rifapentine exposures can shorten treatment duration to less than 6 months. Clinical trial registered with www.clinicaltrials.gov (NCT 00694629).
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Affiliation(s)
- Susan E Dorman
- 1 Johns Hopkins University School of Medicine, Baltimore, Maryland
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Skoglund C, Carlsen AL, Weiner M, Kurz T, Hellmark T, Eriksson P, Heegaard NHH, Segelmark M. Circulating microRNA expression pattern separates patients with anti-neutrophil cytoplasmic antibody associated vasculitis from healthy controls. Clin Exp Rheumatol 2015; 33:S-64-71. [PMID: 26016752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 01/19/2015] [Indexed: 06/04/2023]
Abstract
OBJECTIVES Antineutrophil cytoplasmic antibody associated vasculitis (AAV) has an unpredictable course and better biomarkers are needed. Micro-RNAs in body fluids are protected from degradation and might be used as biomarkers for diagnosis and prognosis, here we explore the potential in AAV. METHODS Plasma samples from two AAV cohorts (n=67 and 38) were compared with samples from healthy controls (n=27 and 45) and disease controls (n=20). A panel of 32 miRNAs was measured using a microfluidic quantitative real-time PCR system, and results were compared with clinical data. RESULTS Seven individual miRNAs were differently expressed compared to controls in both cohorts; miR-29a, -34a, -142-3p and -383 were up-regulated and miR-20a, -92a and -221 were down-regulated. Cluster analysis as well as principal component analysis (PCA) indicated that patterns of miRNA expression differentiate AAV patients from healthy subjects as well as from renal transplant recipients. Loadings plots indicated similar contribution of the same miRNAs in both cohorts to the PCA. Renal engagement was important for miRNA expression but consistent correlations between estimated glomerular filtration rate and miRNA levels were not found. We found no significant correlation between treatment regimens and circulating miRNA levels. CONCLUSIONS In this first study ever on circulating miRNA profiles in AAV, we find clear indication of their potential as biomarkers for diagnosis and classification, but more studies are needed to identify the best markers as well as the mechanisms responsible for variations.
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Affiliation(s)
- C Skoglund
- Department of Medical and Health Sciences, Linköping University, Sweden
| | - A L Carlsen
- Department of Clinical Biochemistry, Immunology and Genetics, Statens Serum Institut, Copenhagen, Denmark
| | - M Weiner
- Department of Medical and Health Sciences, and Department of Nephrology, Linköping University, Sweden
| | - T Kurz
- Department of Medical and Health Sciences, Linköping University, Sweden
| | | | - P Eriksson
- Department of Clinical and Experimental Medicine, and Department of Rheumatology, Linköping University, Sweden
| | - N H H Heegaard
- Department of Clinical Biochemistry, Immunology and Genetics, Statens Serum Institut, Copenhagen, and Department of Clinical Biochemistry and Pharmacology, University of Southern Denmark, Odense, Denmark
| | - M Segelmark
- Department of Medical and Health Sciences, and Department of Nephrology, Linköping University, Sweden
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Villarino ME, Scott NA, Weis SE, Weiner M, Conde MB, Jones B, Nachman S, Oliveira R, Moro RN, Shang N, Goldberg SV, Sterling TR. Treatment for preventing tuberculosis in children and adolescents: a randomized clinical trial of a 3-month, 12-dose regimen of a combination of rifapentine and isoniazid. JAMA Pediatr 2015; 169:247-55. [PMID: 25580725 PMCID: PMC6624831 DOI: 10.1001/jamapediatrics.2014.3158] [Citation(s) in RCA: 142] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE Three months of a once-weekly combination of rifapentine and isoniazid for treatment of latent tuberculosis infection is safe and effective for persons 12 years or older. Published data for children are limited. OBJECTIVES To compare treatment safety and assess noninferiority treatment effectiveness of combination therapy with rifapentine and isoniazid vs 9 months of isoniazid treatment for latent tuberculosis infection in children. DESIGN, SETTING, AND PARTICIPANTS A pediatric cohort nested within a randomized, open-label clinical trial conducted from June 11, 2001, through December 17, 2010, with follow-up through September 5, 2013, in 29 study sites in the United States, Canada, Brazil, Hong Kong (China), and Spain. Participants were children (aged 2-17 years) who were eligible for treatment of latent tuberculosis infection. INTERVENTIONS Twelve once-weekly doses of the combination drugs, given with supervision by a health care professional, for 3 months vs 270 daily doses of isoniazid, without supervision by a health care professional, for 9 months. MAIN OUTCOMES AND MEASURES We compared rates of treatment discontinuation because of adverse events (AEs), toxicity grades 1 to 4, and deaths from any cause. The equivalence margin for the comparison of AE-related discontinuation rates was 5%. Tuberculosis disease diagnosed within 33 months of enrollment was the main end point for testing effectiveness. The noninferiority margin was 0.75%. RESULTS Of 1058 children enrolled, 905 were eligible for evaluation of effectiveness. Of 471 in the combination-therapy group, 415 (88.1%) completed treatment vs 351 of 434 (80.9%) in the isoniazid-only group (P = .003). The 95% CI for the difference in rates of discontinuation attributed to an AE was -2.6 to 0.1, which was within the equivalence range. In the safety population, 3 of 539 participants (0.6%) who took the combination drugs had a grade 3 AE vs 1 of 493 (0.2%) who received isoniazid only. Neither arm had any hepatotoxicity, grade 4 AEs, or treatment-attributed death. None of the 471 in the combination-therapy group developed tuberculosis vs 3 of 434 (cumulative rate, 0.74%) in the isoniazid-only group, for a difference of -0.74% and an upper bound of the 95% CI of the difference of +0.32%, which met the noninferiority criterion. CONCLUSIONS AND RELEVANCE Treatment with the combination of rifapentine and isoniazid was as effective as isoniazid-only treatment for the prevention of tuberculosis in children aged 2 to 17 years. The combination-therapy group had a higher treatment completion rate than did the isoniazid-only group and was safe. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT00023452.
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Affiliation(s)
- M. Elsa Villarino
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia
| | - Nigel A. Scott
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia,CDC Foundation, Atlanta, Georgia
| | - Stephen E. Weis
- Department of Medicine, University of North Texas Health Science Center at Ft Worth
| | - Marc Weiner
- Department of Medicine, Audie L. Murphy San Antonio Veterans Administration Medical Center, San Antonio, Texas
| | - Marcus B. Conde
- Department of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Brenda Jones
- Department of Medicine, University of Southern California, Los Angeles
| | - Sharon Nachman
- Department of Pediatrics, State University of New York at Stony Brook
| | - Ricardo Oliveira
- Department of Pediatrics, Pediatric Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ruth N. Moro
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia,CDC Foundation, Atlanta, Georgia
| | - Nong Shang
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia
| | - Stefan V. Goldberg
- Division of Tuberculosis Elimination, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia
| | - Timothy R. Sterling
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
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Chow N, Hwang KS, Hurtz S, Green AE, Somme JH, Thompson PM, Elashoff DA, Jack CR, Weiner M, Apostolova LG. Comparing 3T and 1.5T MRI for mapping hippocampal atrophy in the Alzheimer's Disease Neuroimaging Initiative. AJNR Am J Neuroradiol 2015; 36:653-60. [PMID: 25614473 DOI: 10.3174/ajnr.a4228] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 10/24/2014] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Prior MR imaging studies, primarily at 1.5T, established hippocampal atrophy as a biomarker for Alzheimer disease. 3T MR imaging offers a higher contrast and signal-to-noise ratio, yet distortions and intensity uniformity are harder to control. We applied our automated hippocampal segmentation technique to 1.5T and 3T MR imaging data, to determine whether hippocampal atrophy detection was enhanced at 3T. MATERIALS AND METHODS We analyzed baseline MR imaging data from 166 subjects from the Alzheimer's Disease Neuroimaging Initiative-1 (37 with Alzheimer disease, 76 with mild cognitive impairment, and 53 healthy controls) scanned at 1.5T and 3T. Using multiple linear regression, we analyzed the effect of clinical diagnosis on hippocampal radial distance, while adjusting for sex. 3D statistical maps were adjusted for multiple comparisons by using permutation-based statistics at a threshold of P < .01. RESULTS Bilaterally significant radial distance differences in the areas corresponding to the cornu ammonis 1, cornu ammonis 2, and subiculum were detected for Alzheimer disease versus healthy controls and mild cognitive impairment versus healthy controls at 1.5T and more profoundly at 3T. Comparison of Alzheimer disease with mild cognitive impairment did not reveal significant differences at either field strength. Subjects who converted from mild cognitive impairment to Alzheimer disease within 3 years of the baseline scan versus nonconverters showed significant differences in the area corresponding to cornu ammonis 1 of the right hippocampus at 3T but not at 1.5T. CONCLUSIONS While hippocampal atrophy patterns in diagnostic comparisons were similar at 1.5T and 3T, 3T showed a superior signal-to-noise ratio and detected atrophy with greater effect size compared with 1.5T.
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Affiliation(s)
- N Chow
- From the School of Medicine (N.C.), University of California, Irvine, Irvine, California
| | - K S Hwang
- Oakland University William Beaumont School of Medicine (K.S.H.), Rochester Hills, Michigan Departments of Neurology (K.S.H., S.H., L.G.A.)
| | - S Hurtz
- Departments of Neurology (K.S.H., S.H., L.G.A.)
| | - A E Green
- Department of Physiology (A.E.G.), Monash University, Melbourne, Australia
| | - J H Somme
- Department of Neurology (J.H.S.), Cruces University Hospital, Barakaldo, Spain
| | - P M Thompson
- Imaging Genetics Center (P.M.T.), Institute for Neuroimaging and Informatics, Keck/University of Southern California School of Medicine, Los Angeles, California Departments of Neurology, Psychiatry, Engineering, Radiology, and Ophthalmology (P.M.T.), University of Southern California, Los Angeles, California
| | - D A Elashoff
- Biostatistics (D.A.E.), University of California, Los Angeles, David Geffen School of Medicine, Los Angeles, California
| | - C R Jack
- Department of Radiology (C.R.J.), Mayo Clinic and Foundation, Rochester, Minnesota
| | - M Weiner
- Department of Radiology and Biomedical Imaging (M.W.), University of California, San Francisco, School of Medicine, San Francisco, California
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Kurz T, Weiner M, Skoglund C, Basnet S, Eriksson P, Segelmark M. A myelopoiesis gene signature during remission in anti-neutrophil cytoplasm antibody-associated vasculitis does not predict relapses but seems to reflect ongoing prednisolone therapy. Clin Exp Immunol 2014; 175:215-26. [PMID: 24215168 DOI: 10.1111/cei.12236] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2013] [Indexed: 11/28/2022] Open
Abstract
A myelopoiesis gene signature in circulating leucocytes, exemplified by increased myeloperoxidase (MPO) and proteinase 3 (PR3) mRNA levels, has been reported in patients with active anti-neutrophil cytoplasm antibody-associated vasculitis (AAV), and to a lesser extent during remission. We hypothesized that this signature could predict disease relapse. mRNA levels of PR3, MPO, selected myelopoiesis transcription factors [CCAAT/enhancer binding protein α (CEBP-α), CCAAT/enhancer binding protein β (CEBP-β), SPI1/PU.1-related transcription factor (SPIB), spleen focus forming virus proviral integration oncogene, PU.1 homologue (SPI1)] and microRNAs (miRNAs) from patient and control peripheral blood mononuclear cells (PBMC) and polymorphonuclear cells (PMN) were analysed and associated with clinical data. Patients in stable remission had higher mRNA levels for PR3 (PBMC, PMN) and MPO (PBMC). PR3 and SPIB mRNA correlated positively in controls but negatively in patient PBMC. Statistically significant correlations existed between PR3 mRNA and several miRNAs in controls, but not in patients. PR3/MPO mRNA levels were not associated with previous or future relapses, but correlated with steroid treatment. Prednisolone doses were negatively linked to SPIB and miR-155-5p, miR-339-5p (PBMC) and to miR-221, miR-361 and miR-505 (PMN). PR3 mRNA in PBMC correlated with time since last flare, blood leucocyte count and estimated glomerular filtration rate. Our results show that elevated leucocyte PR3 mRNA levels in AAV patients in remission do not predict relapse. The origin seems multi-factorial, but to an important extent explainable by prednisolone action. Gene signatures in patients with AAV undergoing steroid treatment should therefore be interpreted accordingly.
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Affiliation(s)
- T Kurz
- Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
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