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Lüthge S, Steinbicker A, Schipmann S, Streckert EMS, Hess K, Grauer O, Paulus W, Stummer W, Brokinkel B, Spille DC. P18.01.A The applicability of established clinical and histopathological risk factors for tumor recurrence during long-term perioperative care in meningioma patients. Neuro Oncol 2022. [DOI: 10.1093/neuonc/noac174.328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Risk factors for the prediction of late-onset tumor recurrence in meningioma patients are sparse but needed to estimate duration and control intervals during long-term follow-up in meningioma patients. In this study, we therefore analyzed the value of established risk factors for postoperative meningioma recurrence for the prediction of long-term prognosis in a large, single-center series.
Material and methods
Correlations of established clinical (age, sex, tumor location, extent of resection), radiological (postoperative tumor volume) and histopathological variables (WHO grade, brain invasion) with tumor relapse were analyzed separately after 3, 5, and 10 years following microsurgery for primary diagnosed intracranial meningioma between 1991 and 2021 in uni- and multivariate analyses. The prognostic value was compared to findings in the entire cohort.
Results
Within a median follow-up of 29 months (range: 0-307 months), recurrence was observed in 141 patients (12%) after a median PFS of 36 months. PFS among the entire cohort (n=1218) at 3, 5, 10 and 15 years postoperatively were 90%, 84%, 74% and 70%, respectively. Among all patients included, skull base location (HR: 1.51, 95%CI 1.05-2.16; p=.026), Simpson ≥IV resections (HR: 2.41, 95%CI 1.52-3.84; p<.001), high-grade histology (HR: 3.70, 95%CI 2.50-5.47; p<.001) and male gender (HR: 1.46, 95%CI 1.01-2.11; p=.042) were independent risk factors for recurrence. Skull base location (HR: 1.92, 95%CI 1.17-3.17; p=.010 and HR: 2.02, 95%CI 1.04-3.95; p=.038) and high-grade histology (HR: 1.87, 95%CI 1.04-3.38; p=.038 and HR: 2.29, 95%CI 1.07-4.01; p=.034) but not subtotal resection (HR: 1.53, 95%CI .68-3.45; p=.303 and HR: 1.75, 95%CI .52-5.96; p=.369) remained independently correlated with recurrence after an event-free PFS of at least three (n=485) and five years (n=346), respectively. Similarly, postoperative tumor volume was related with recurrence in the entire cohort (p<.001) but not beyond a follow-up of ≥ three years (p>.05). In 147 patients with a follow-up of ≥ ten years, ten recurrences occurred, and no correlation was found with any of the analyzed variables.
Conclusion
Skull base tumor location and high-grade histology but not the extent of resection should be considered when planning follow-up duration and intervals following ≥5 years after meningioma surgery. Tumor relapses following more than ten years after surgery are very rare, and corresponding predictors are lacking.
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Affiliation(s)
- S Lüthge
- University hospital Münster , Münster , Germany
| | | | - S Schipmann
- University hospital Münster , Münster , Germany
| | | | - K Hess
- University hospital Münster , Münster , Germany
| | - O Grauer
- University hospital Münster , Münster , Germany
| | - W Paulus
- University hospital Münster , Münster , Germany
| | - W Stummer
- University hospital Münster , Münster , Germany
| | - B Brokinkel
- University hospital Münster , Münster , Germany
| | - D C Spille
- University hospital Münster , Münster , Germany
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Nguyen P, Hess K, Smulders L, Le D, Briseno C, Chavez CM, Nikolaidis N. Origin and Evolution of the Human Bcl2-Associated Athanogene-1 (BAG-1). Int J Mol Sci 2020; 21:ijms21249701. [PMID: 33353252 PMCID: PMC7766421 DOI: 10.3390/ijms21249701] [Citation(s) in RCA: 4] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/13/2020] [Accepted: 12/17/2020] [Indexed: 02/07/2023] Open
Abstract
Molecular chaperones, particularly the 70-kDa heat shock proteins (Hsp70s), are key orchestrators of the cellular stress response. To perform their critical functions, Hsp70s require the presence of specific co-chaperones, which include nucleotide exchange factors containing the BCL2-associated athanogene (BAG) domain. BAG-1 is one of these proteins that function in a wide range of cellular processes, including apoptosis, protein refolding, and degradation, as well as tumorigenesis. However, the origin of BAG-1 proteins and their evolution between and within species are mostly uncharacterized. This report investigated the macro- and micro-evolution of BAG-1 using orthologous sequences and single nucleotide polymorphisms (SNPs) to elucidate the evolution and understand how natural variation affects the cellular stress response. We first collected and analyzed several BAG-1 sequences across animals, plants, and fungi; mapped intron positions and phases; reconstructed phylogeny; and analyzed protein characteristics. These data indicated that BAG-1 originated before the animals, plants, and fungi split, yet most extant fungal species have lost BAG-1. Furthermore, although BAG-1's structure has remained relatively conserved, kingdom-specific conserved differences exist at sites of known function, suggesting functional specialization within each kingdom. We then analyzed SNPs from the 1000 genomes database to determine the evolutionary patterns within humans. These analyses revealed that the SNP density is unequally distributed within the BAG1 gene, and the ratio of non-synonymous/synonymous SNPs is significantly higher than 1 in the BAG domain region, which is an indication of positive selection. To further explore this notion, we performed several biochemical assays and found that only one out of five mutations tested altered the major co-chaperone properties of BAG-1. These data collectively suggest that although the co-chaperone functions of BAG-1 are highly conserved and can probably tolerate several radical mutations, BAG-1 might have acquired specialized and potentially unexplored functions during the evolutionary process.
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Affiliation(s)
- Peter Nguyen
- Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834-6850, USA; (P.N.); (L.S.); (D.L.); (C.B.); (C.M.C.)
| | - Kyle Hess
- Department of Genome Sciences, Molecular and Cellular Biology Graduate Program, University of Washington, Seattle, WA 98195, USA;
| | - Larissa Smulders
- Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834-6850, USA; (P.N.); (L.S.); (D.L.); (C.B.); (C.M.C.)
| | - Dat Le
- Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834-6850, USA; (P.N.); (L.S.); (D.L.); (C.B.); (C.M.C.)
| | - Carolina Briseno
- Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834-6850, USA; (P.N.); (L.S.); (D.L.); (C.B.); (C.M.C.)
| | - Christina M. Chavez
- Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834-6850, USA; (P.N.); (L.S.); (D.L.); (C.B.); (C.M.C.)
| | - Nikolas Nikolaidis
- Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton, Fullerton, CA 92834-6850, USA; (P.N.); (L.S.); (D.L.); (C.B.); (C.M.C.)
- Correspondence: ; Tel.: +1-657-278-4526
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Sen S, Carmagnani Pestana R, Hess K, Viola GM, Subbiah V. Impact of antibiotic use on survival in patients with advanced cancers treated on immune checkpoint inhibitor phase I clinical trials. Ann Oncol 2019; 29:2396-2398. [PMID: 30307530 DOI: 10.1093/annonc/mdy453] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [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)
- S Sen
- Sarah Canon Research Institute at HealthONE, Denver, USA
| | - R Carmagnani Pestana
- Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - K Hess
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - G M Viola
- Department of Infectious Diseases, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - V Subbiah
- Department of Investigational Cancer Therapeutics (Phase I Clinical Trials Program), Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, USA.
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Lucci A, Hall C, Hess K, Ravenberg E, Clayborn A, Mittendorf E, Rauch G, Candelaria R, Moulder S, Thompson A. Abstract P3-01-01: Circulating tumor cells (CTCs) after neoadjuvant chemotherapy for triple negative breast cancer (TNBC). Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p3-01-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: ARTEMIS (A Randomized, TNBC Enrolling trial to confirm Molecular profiling Improves Survival) is a randomized trial to determine if precision guided neoadjuvant chemotherapy (NAC) impacts rates of pathologic complete response in the breast and axillary nodes (pCR). We hypothesized that CTCs in peripheral blood after completion of NAC would provide prognostic information beyond pCR alone in TNBC patients.
Methods: Blood was assessed for CTCs after NAC as part of two IRB approved studies, ARTEMIS (2014 – 0185/PA15-1050), and LAB04-0698. CTCs were identified using the Cell Search® System (Menarini Silicon Biosystems). Samples with one or more cells, also having morphologic criteria for malignancy, were deemed CTC positive. Log-rank test and Cox regression analysis were applied to evaluate associations between CTC positive, pCR, and overall survival.
Results: pCR was achieved in 24/68 (35%) patients with TNBC. Twenty four patients (35%) were CTC positive. Three year overall survival was evaluated in 4 groups of patients: pCR and no CTCs (n=20), pCR and CTC positive (n=4), non-pCR and no CTCs (n=24) and non-pCR and CTC positive (n=20). Three year overall survival was higher in the pCR and no CTCs cohort (100%), compared to pCR and CTC positive (50%), non-pCR and no CTCs (83%), non-pCR and CTC positive (19%); log rank p<0.0001. In the non-pCR and CTC positive patient cohorts, the presence of CTCs was associated with significant risk of death at 3 years [hazard ratio of 12.3 (95% CI 3.4-454, p=0.00002)], whereas a favorable, but non-significant trend was noted for pCR [hazard ratio of 0.2 (95% CI 0.0, 1.4, p=0.11)].
Conclusion: The identification of CTCs after NAC has prognostic significance beyond that of pCR, and should be considered in evaluation of patients for clinical trials of adjuvant therapies.
Citation Format: Lucci A, Hall C, Hess K, Ravenberg E, Clayborn A, Mittendorf E, Rauch G, Candelaria R, Moulder S, Thompson A. Circulating tumor cells (CTCs) after neoadjuvant chemotherapy for triple negative breast cancer (TNBC) [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P3-01-01.
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Affiliation(s)
- A Lucci
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - C Hall
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - K Hess
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - E Ravenberg
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - A Clayborn
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - E Mittendorf
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - G Rauch
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - R Candelaria
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - S Moulder
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
| | - A Thompson
- University of Texas MD Anderson Cancer Center, Houston, TX; Dana Farber Cancer Institute, Boston, MA
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Welsh J, Heymach J, Cadena A, Cushman T, Hess K, Shroff G, Tang C, Skoulidis F, Jeter M, Nguyen Q, Chang J, Papadimitrakopoulou V, Gomez D, Sharma P, Allison J, Raju U, Shabaan S, Byers L, Glisson B. Phase I Trial of MK-3475 and Concurrent Radiation for the Elimination of Extensive-Stage Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.133] [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: 11/28/2022]
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Welsh J, Heymach J, Cushman T, Hess K, Shroff G, Tang C, Skoulidis F, Jeter M, Nguyen Q, Chang J, Papadimitrakopoulou V, Gomez D, Sharma P, Allison J, Raju U, Shaaban S, Byers L, Glisson B. Phase I Trial of MK-3475 and Concurrent Chemoradiotherapy for Limited-Stage Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1950] [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: 11/24/2022]
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Hess K, Oliverio R, Nguyen P, Le D, Ellis J, Kdeiss B, Ord S, Chalkia D, Nikolaidis N. Concurrent action of purifying selection and gene conversion results in extreme conservation of the major stress-inducible Hsp70 genes in mammals. Sci Rep 2018; 8:5082. [PMID: 29572464 PMCID: PMC5865164 DOI: 10.1038/s41598-018-23508-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [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: 11/06/2017] [Accepted: 03/14/2018] [Indexed: 12/28/2022] Open
Abstract
Several evolutionary mechanisms alter the fate of mutations and genes within populations based on their exhibited functional effects. To understand the underlying mechanisms involved in the evolution of the cellular stress response, a very conserved mechanism in the course of organismal evolution, we studied the patterns of natural genetic variation and functional consequences of polymorphisms of two stress-inducible Hsp70 genes. These genes, HSPA1A and HSPA1B, are major orchestrators of the cellular stress response and are associated with several human diseases. Our phylogenetic analyses revealed that the duplication of HSPA1A and HSPA1B originated in a lineage proceeding to placental mammals, and henceforth they remained in conserved synteny. Additionally, analyses of synonymous and non-synonymous changes suggest that purifying selection shaped the HSPA1 gene diversification, while gene conversion resulted in high sequence conservation within species. In the human HSPA1-cluster, the vast majority of mutations are synonymous and specific genic regions are devoid of mutations. Furthermore, functional characterization of several human polymorphisms revealed subtle differences in HSPA1A stability and intracellular localization. Collectively, the observable patterns of HSPA1A-1B variation describe an evolutionary pattern, in which purifying selection and gene conversion act simultaneously and conserve a major orchestrator of the cellular stress response.
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Affiliation(s)
- Kyle Hess
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.,Department of Genome Sciences, University of Washington, Seattle, WA, USA
| | - Ryan Oliverio
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA
| | - Peter Nguyen
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA
| | - Dat Le
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA
| | - Jacqueline Ellis
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA
| | - Brianna Kdeiss
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA
| | - Sara Ord
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA
| | - Dimitra Chalkia
- UCLA Center for Systems Biomedicine, Division of Digestive Diseases, School of Medicine, Los Angeles, CA, USA
| | - Nikolas Nikolaidis
- Department of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
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Abstract
Coprinopsis cinerea is an environmental fungus which can cause disseminated infections in immunocompromised patients, often leading to death. Here we report the case of a paediatric patient with an invasive wound infection due to C. cinerea, which was successfully treated with surgical debridement and oral posaconazole.
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Affiliation(s)
| | - A Brentrup
- Pediatric Neurosurgery, Department of Neurosurgery, Germany
| | - K Hess
- Institute of Neuropathology, University Hospital Muenster, Münster, Germany
| | - K Becker
- Institute of Medical Microbiology, Germany
| | - A H Groll
- Pediatric Hematology and Oncology, University Children's Hospital Muenster, Münster, Germany
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Damodaran S, Symmans F, Helgason T, Mittendorf E, Tripathy D, Hess K, Litton J, Moulder S. A phase II trial of mirvetuximab soravtansine in patients with localized triple-negative breast cancer (TNBC) with tumors predicted insensitive to standard neoadjuvant chemotherapy (NACT) including a lead-in cohort to establish activity in patients with metastatic TNBC. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx365.083] [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] [Indexed: 11/12/2022] Open
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Moulder S, Hess K, Rauch M, Astrada B, Litton J, Mittendorf E, Ueno N, Tripathy D, Lim B, Piwnica-Worms H, Thompson A, Symmans WF. Abstract OT2-01-22: NCT02456857: A phase II trial of liposomal doxorubicin, bevacizumab and everolimus (DAE) in patients (pts) with localized triple-negative breast cancer (TNBC) with tumors predicted insensitive to standard neoadjuvant chemotherapy (NACT). Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-ot2-01-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
BACKGROUND: Approximately 50% of TNBC pts treated with standard taxane/anthracycline-based NACT will have chemo-insensitive disease (CID) manifested as extensive residual disease (RCB-II or III) at the time of surgery. 40-80% of these pts will develop recurrence within 3 years of initial diagnosis. Recent advances in molecular profiling have identified subsets of TNBC with distinct, targetable molecular features. We developed a clinical trial to identify and characterize CID (ARTEMIS: A Randomized, TNBC Enrolling trial to confirm Molecular profiling Improves Survival). In the ARTEMIS trial, treatment naïve pts with localized TNBC undergo a pretreatment biopsy and then immediately start their initial phase of anthracycline-based chemotherapy so that the results of the molecular characterization are used in combination with response assessment (clinical exam/diagnostic imaging) to identify CID and inform the second phase of NACT, thus using a 'second hit' strategy in the middle of NACT to overcome drug resistance. The mesenchymal subtypes of TNBC have a high incidence of PI3K pathway activation. Preclinical models demonstrated response to PI3K inhibitors in this subtype. Metaplastic breast cancers make up ∼30% of tumors characterized as 'claudin-low/mesenchymal' by gene signature and are also associated with a high rate of PI3K activating molecular aberrations. A combination regimen of liposomal doxorubicin, bevacizumab and the mTOR inhibitors temsirolimus or everolimus (DAT or DAE) demonstrated response (including durable complete responses) in metastatic metaplastic breast cancer.
PRIMARY OBJECTIVE: Determine the rate of pathologic complete response (pCR/RCB-0) or minimal residual disease (RCB-I) after 4 cycles of DAE for treatment of mesenchymal TNBC deemed to be CID through the ARTEMIS trial
TRIAL DESIGN AND STATISTICAL METHODS: Only pts deemed to have mesenchymal CID on the ARTEMIS trial can enter this non-randomized phase II study. Realizing that pts without response to their initial cycles of chemotherapy have very low chance (5%) of achieving pCR with additional cycles of chemotherapy, it would be clinically meaningful to see pCR in this pt population improved to 20%. Counting pCR (RCB-0) or RCB-I as response, a two-stage Gehan-type design will be employed with 14 pts in the first stage. If at least one pt responds, 23 more pts will be added for a total of 37 pts. This design has a 49% chance of terminating after the first stage if the true response rate is 0.05, 23% chance if the true rate is 0.10, 10% if the true rate is 0.15 and 4% if the true rate is 0.20. If accrual continues to the second stage and a total of 37 pts are enrolled, the 95% confidence interval for a 0.20 response rate will extend from 0.10 to 0.35.
BRIEF ELIGIBILITY CRITERIA: Inclusion: localized TNBC enrolled onto ARTEMIS trial, adequate organ, bone marrow and cardiac parameters Exclusion: metastatic disease, pregnant or lactating pts, medical illness that increases chance of moderate to severe toxicity
CORRELATIVE SCIENCE: Correlate vimentin expression by IHC, mesenchymal signatures and PI3K pathway aberrations with response.
Citation Format: Moulder S, Hess K, Rauch M, Astrada B, Litton J, Mittendorf E, Ueno N, Tripathy D, Lim B, Piwnica-Worms H, Thompson A, Symmans WF. NCT02456857: A phase II trial of liposomal doxorubicin, bevacizumab and everolimus (DAE) in patients (pts) with localized triple-negative breast cancer (TNBC) with tumors predicted insensitive to standard neoadjuvant chemotherapy (NACT) [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr OT2-01-22.
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Affiliation(s)
- S Moulder
- University of Texas, MD Anderson Cancer Center
| | - K Hess
- University of Texas, MD Anderson Cancer Center
| | - M Rauch
- University of Texas, MD Anderson Cancer Center
| | - B Astrada
- University of Texas, MD Anderson Cancer Center
| | - J Litton
- University of Texas, MD Anderson Cancer Center
| | | | - N Ueno
- University of Texas, MD Anderson Cancer Center
| | - D Tripathy
- University of Texas, MD Anderson Cancer Center
| | - B Lim
- University of Texas, MD Anderson Cancer Center
| | | | - A Thompson
- University of Texas, MD Anderson Cancer Center
| | - WF Symmans
- University of Texas, MD Anderson Cancer Center
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Katz JR, Hess K. Über Quellung und Merzerisierung natürlicher Zellulosefasern in Salpetersäure und über philanierte Baumwolle. I. ACTA ACUST UNITED AC 2017. [DOI: 10.1515/zpch-1926-12211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Hess K, Trogus C. Bemerkungen zur Arbeit von W. SCHRAMEK: „Das Röntgenfaserdiagramm als quantitativer Massstab für die Veränderung der Bausteine der Cellulosefaser durch chemische. ACTA ACUST UNITED AC 2017. [DOI: 10.1515/zpch-1933-2131] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Trogus C, Tomonari T, Hess K. Beiträge zur Kenntnis der Lösungsvorgänge organischer Substanzen in nichtwässerigen Flüssigkeiten. I. ACTA ACUST UNITED AC 2017. [DOI: 10.1515/zpch-1932-1626] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Tang C, Hess K, Sanders D, Davis S, Kurzrock R, Lee J, Meric Bernstam F, Hong D. Efficient clinical research infrastructure and trial performance: Assessment of a dedicated clinical trials unit within an academic cancer center. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32779-4] [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: 11/26/2022]
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George G, Buford A, Hess K, Piha-Paul S, Zinner R, Subbiah V, Iwuanyanwu E, Cleeland C, Meric-Bernstam F, Bernstam E, Hong D. Cancer-related internet use in patients with advanced cancer in a phase I clinical trials clinic. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32782-4] [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: 10/20/2022]
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Sándor PS, Dydak U, Schoenen J, Kollias SS, Hess K, Boesiger P, Agosti RM. MR-Spectroscopic Imaging during Visual Stimulation in Subgroups of Migraine with Aura. Cephalalgia 2016; 25:507-18. [PMID: 15955037 DOI: 10.1111/j.1468-2982.2005.00900.x] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Migraine pathophysiology possibly involves deficient mitochondrial energy reserve and diminished cortical habituation. Using functional magnetic resonance spectroscopic imaging (fMRSI), we studied cortical lactate changes during prolonged visual stimulation to search for different pathophysiological mechanisms in clinically distinct subgroups of migraine with aura. Eleven healthy volunteers (HV) and 10 migraine patients were investigated interictally: five with visual aura (MA) and five with visual symptoms and at least one of the following: paraesthe-sia, paresis or dysphasia (MAplus). Using MRSI (Philips, 1.5 T) 1H-spectra were repeatedly obtained from a 25 mm-thick slice covering visual and non-visual cortex, with the first and fifth measurements in darkness and the second to fourth with 8-Hz checkerboard stimulation. In MAplus lactate increased only during stimulation, only in visual cortex; in MA resting lactate was high in visual cortex, without further increase during stimulation. This is compatible with an abnormal metabolic strain during stimulation in MAplus, possibly due to dishabituation, and a predominant mitochondrial dysfunction in MA.
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Affiliation(s)
- P S Sándor
- Neurology Department, University Hospital, Zurich, Switzerland
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Affiliation(s)
- P S Sándor
- Headache & Pain Unit, Neurology Department, University Hospital Zurich, Zurich, Switzerland.
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Falchook GS, Rady P, Konopinski JC, Busaidy N, Hess K, Hymes S, Nguyen HP, Prieto VG, Bustinza-Linares E, Lin Q, Parkhurst KL, Hong DS, Sherman S, Tyring SK, Kurzrock R. Merkel cell polyomavirus and human papilloma virus in proliferative skin lesions arising in patients treated with BRAF inhibitors. Arch Dermatol Res 2016; 308:357-65. [DOI: 10.1007/s00403-016-1650-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 03/20/2016] [Accepted: 04/14/2016] [Indexed: 01/07/2023]
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Liu X, George GC, Tsimberidou AM, Naing A, Wheler JJ, Kopetz S, Fu S, Piha-Paul SA, Eng C, Falchook GS, Janku F, Garrett C, Karp D, Kurzrock R, Zinner R, Raghav K, Subbiah V, Hess K, Meric-Bernstam F, Hong DS, Overman MJ. Retreatment with anti-EGFR based therapies in metastatic colorectal cancer: impact of intervening time interval and prior anti-EGFR response. BMC Cancer 2015; 15:713. [PMID: 26474549 PMCID: PMC4609167 DOI: 10.1186/s12885-015-1701-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [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: 02/27/2015] [Accepted: 10/07/2015] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND This retrospective study aims to investigate the activity of retreatment with anti-EGFR-based therapies in order to explore the concept of clonal evolution by evaluating the impact of prior activity and intervening time interval. METHODS Eighty-nine KRAS exon 2-wild-type metastatic colorectal patients were retreated on phase I/II clinical trials containing anti-EGFR therapies after progressing on prior cetuximab or panitumumab. Response on prior anti-EGFR therapy was defined retrospectively per physician-records as response or stable disease ≥6 months. Multivariable statistical methods included a multiple logistic regression model for response, and Cox proportional hazards model for progression-free survival. RESULTS Retreatment anti-EGFR agents were cetuximab (n = 76) or cetuximab plus erlotinib (n = 13). The median interval time between prior and retreatment regimens was 4.57 months (range: 0.46-58.7). Patients who responded to the prior cetuximab or panitumumab were more likely to obtain clinical benefit to the retreatment compared to the non-responders in both univariate (p = 0.007) and multivariate analyses (OR: 3.38, 95 % CI: 1.27, 9.31, p = 0.019). The clinical benefit rate on retreatment also showed a marginally significant association with interval time between the two anti-EGFR based therapies (p = 0.053). Median progression-free survival on retreatment was increased in prior responders (4.9 months, 95 % CI: 3.6, 6.2) compared to prior non-responders (2.5 months, 95 % CI, 1.58, 3.42) in univariate (p = 0.064) and multivariate analysis (HR: 0.70, 95 % CI: 0.43-1.15, p = 0.156). CONCLUSION Our data lends support to the concept of clonal evolution, though the clinical impact appears less robust than previously reported. Further work to determine which patients benefit from retreatment post progression is needed.
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Affiliation(s)
- X Liu
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - G C George
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - A M Tsimberidou
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - A Naing
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - J J Wheler
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - S Kopetz
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit # 426, Houston, TX, 77030, USA.
| | - S Fu
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - S A Piha-Paul
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - C Eng
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit # 426, Houston, TX, 77030, USA.
| | - G S Falchook
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - F Janku
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - C Garrett
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit # 426, Houston, TX, 77030, USA.
| | - D Karp
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - R Kurzrock
- Division of Hematology and Oncology, University of California San Diego Moores Cancer Center, San Diego, CA, USA.
| | - R Zinner
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - K Raghav
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit # 426, Houston, TX, 77030, USA.
| | - V Subbiah
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - K Hess
- Biostatistics, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - F Meric-Bernstam
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - D S Hong
- Department of Investigational Cancer Therapeutics (Phase 1 Clinical Trials Program), The University of Texas MD Anderson Cancer Center, Unit 455, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - M J Overman
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit # 426, Houston, TX, 77030, USA.
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Mellmann J, Hess K, Schnaidt U, Stender HS, Lustenberger N. Angiographic results in interstitial, vascular and glomerular kidney diseases. Contrib Nephrol 2015; 16:115-7. [PMID: 467061 DOI: 10.1159/000402884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In earlier stages of parenchymal kidney diseases different changes are to be seen in angiography. No single sign appeared to be pathognomonic for glomerular nephritis, vascular disease or interstitial nephropathy. But the disproportionate frequency of some angiographic features assumed discriminatory value. Morphometry of the renal arteriograms discriminated statistically significant interstitial, vascular and glomerular diseases. The correct angiographical diagnosis was made in 76%.
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Hess K, Siracusa M, Nikolaidis N. Naturally Occurring Single Nucleotide Mutations Alter the Function of a Highly Conserved Hsp70 Gene in Humans. FASEB J 2015. [DOI: 10.1096/fasebj.29.1_supplement.713.3] [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: 11/11/2022]
Affiliation(s)
- Kyle Hess
- Department of Biological SciencesCalifornia State University FullertonFullertonCAUnited States
| | - Matthew Siracusa
- Department of Biological SciencesCalifornia State University FullertonFullertonCAUnited States
| | - Nikolas Nikolaidis
- Department of Biological SciencesCalifornia State University FullertonFullertonCAUnited States
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Fu S, Hou MM, Naing A, Janku F, Hess K, Zinner R, Subbiah V, Hong D, Wheler J, Piha-Paul S, Tsimberidou A, Karp D, Araujo D, Kee B, Hwu P, Wolff R, Kurzrock R, Meric-Bernstam F. Phase I study of pazopanib and vorinostat: a therapeutic approach for inhibiting mutant p53-mediated angiogenesis and facilitating mutant p53 degradation. Ann Oncol 2015; 26:1012-1018. [PMID: 25669829 DOI: 10.1093/annonc/mdv066] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [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: 12/23/2014] [Accepted: 01/29/2015] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND We carried out a phase I trial of the vascular endothelial growth factor inhibitor pazopanib and the histone deacetylase inhibitor vorinostat to determine the safety and efficacy. Because these agents are known to target factors activated by TP53 mutation and facilitate mutant p53 degradation, a subgroup analysis may be interesting in patients with TP53 mutant malignancies. PATIENTS AND METHODS Patients with advanced solid tumors (n = 78) were enrolled following a 3 + 3 design, with dose expansion for those with responsive tumors. Hotspot TP53 mutations were tested when tumor specimens were available. RESULTS Adverse events of ≥grade 3 included thrombocytopenia, neutropenia, fatigue, hypertension, diarrhea and vomiting. Overall, the treatment produced stable disease for at least 6 months or partial response (SD ≥6 months/PR) in 19% of the patients, median progression-free survival (PFS) of 2.2 months, and median overall survival (OS) of 8.9 months. In patients with detected hotspot TP53 mutant advanced solid tumors (n = 11), the treatment led to a 45% rate of SD ≥6 months/PR (1 PR and 3 SD ≥6 months), median PFS of 3.5 months, and median OS of 12.7 months, compared favorably with the results for patients with undetected hotspot TP53 mutations (n = 25): 16% (1 PR and 3 SD ≥6 months, P = 0.096), 2.0 months (P = 0.042), and 7.4 months (P = 0.1), respectively. CONCLUSION The recommended phase II dosage was oral pazopanib at 600 mg daily plus oral vorinostat at 300 mg daily. The preliminary evidence supports further evaluation of the combination in cancer patients with mutated TP53, especially in those with metastatic sarcoma or metastatic colorectal cancer. CLINICAL TRIAL REGISTRATION www.clinicaltrials.gov, NCT01339871.
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Affiliation(s)
- S Fu
- Departments of Investigational Cancer Therapeutics.
| | - M M Hou
- Departments of Investigational Cancer Therapeutics; Division of Hematology-Oncology, Chang Gung Memorial Hospital and Chang Gung University, Taoyuan, Taiwan
| | - A Naing
- Departments of Investigational Cancer Therapeutics
| | - F Janku
- Departments of Investigational Cancer Therapeutics
| | | | - R Zinner
- Departments of Investigational Cancer Therapeutics
| | - V Subbiah
- Departments of Investigational Cancer Therapeutics
| | - D Hong
- Departments of Investigational Cancer Therapeutics
| | - J Wheler
- Departments of Investigational Cancer Therapeutics
| | - S Piha-Paul
- Departments of Investigational Cancer Therapeutics
| | | | - D Karp
- Departments of Investigational Cancer Therapeutics
| | | | - B Kee
- GI Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston
| | | | - R Wolff
- GI Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston
| | - R Kurzrock
- University of California San Diego, Moores Cancer Center, La Jolla, USA
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Abstract
Patients with diabetes are at increased risk of cardiovascular morbidity and mortality. While arteriosclerotic lesions have long been recognized as the underlying cause more recent studies suggest that alterations of the blood are also critically involved. Following plaque rupture, adherence of platelets is followed by the formation of a cross-linked fibrin clot. Patients with diabetes exhibit a prothrombotic milieu consisting of hyper reactive platelets, a tight and rigid clot structure which is due to up-regulation of coagulation factors and prolongation of clot lysis. Metabolic alterations as well as inflammatory processes, which are up-regulated in diabetes, are thought to be the main underlying causes. More recently, the complement cascade has emerged as a potential new player in this context with several complement components directly influencing both platelet function and coagulation. This review provides an overview concerning the changes that lead to alterations of platelet function and clot structure in diabetes.
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Affiliation(s)
- K Hess
- Dr. Katharina Hess, Department of Internal Medicine I, University Hospital Pauwelsstr. 30, 52074 Aachen, Germany, Tel. +49/(0)241/803 71 28, Fax +49/(0)241/808 25 45, E-mail:
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Bupathi M, Hajjar J, Hess K, Bean S, Karp D, Meric-Bernstam F, Naing A. 425 Evaluation of drug reactions to anti-neoplastic agents in Phase I clinical trials. Eur J Cancer 2014. [DOI: 10.1016/s0959-8049(14)70551-9] [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: 10/24/2022]
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Oderda GM, Shiozawa A, Walsh M, Hess K, Brixner DI, Feehan M, Akhras K. Physician adherence to ACR gout treatment guidelines: perception versus practice. Postgrad Med 2014; 126:257-67. [PMID: 24918810 DOI: 10.3810/pgm.2014.05.2774] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND In October 2012, the American College of Rheumatology (ACR) published recommendations for chronic gout treatment goals and pharmacotherapy. OBJECTIVES Identify potential gaps between real-world chronic gout treatment, ACR guideline recommendations, and physicians' perceived guideline adherence by evaluating records of patients classified as having "higher" and "lower" guideline adherence as defined by the investigators. METHODS A comprehensive quantitative survey was administered between February 11 and February 22, 2013, to physicians treating patients with gout; the survey included a patient record chart review informed by prior qualitative interviews. Eight criteria from the ACR gout management guidelines were used to compose the survey. To assess ACR guideline adherence, information from records of patients with chronic gout treated by primary care physicians (PCPs) and rheumatologists was scored from 0 (no adherence) to 8 (total adherence), in accordance with ACR guideline recommendations. Physicians also indicated how closely they believed patient treatment followed current guidelines on a 10-point scale. RESULTS Of the 350 records of patients with chronic gout, all but 3 PCP patients were adherent on ≥ 1 guideline recommendation, but nearly all patients could be considered nonadherent, considering all potential recommendations. Patients with chronic gout treated by rheumatologists tended to be managed more closely to ACR guidelines than patients treated by PCPs (mean scores: rheumatologists 5.8/8 ± 1.7 vs 4.3/8 ± 1.7 for PCPs). Among patients classified as having "higher adherence" based on adherence scores, there was low adherence on first-line urate lowering therapy dose, acute prophylaxis dosing, and length of prophylaxis treatment. Among PCPs and rheumatologists, there was a disparity between how closely physicians believed patient treatment followed guidelines and actual adherence with ACR guidelines based on adherence scores. For 16.4% of patients treated by PCPs and 18.4% of patients seen by rheumatologists, physicians believed they closely followed ACR guidelines (score of 8-10/10) for each patient; but in actuality, adherence was lower. CONCLUSION Although adherence with ACR guidelines is higher among rheumatologists than PCPs in treating patients with gout, overall adherence could be improved by both specialties.
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Affiliation(s)
- Gary M Oderda
- Professor and Director, Pharmacotherapy Outcomes Research Center, University of Utah College of Pharmacy, Salt Lake City, UT.
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van West H, Hodgson B, Parent E, Samuel S, Hodgson B, Ferland C, Soroceanu A, Soroceanu A, Protopsaltis T, Protopsaltis T, Radovanovic I, Amritanand R, Shamji M, Haugo K, Malham G, Jarzem P, Rampersaud Y, Tomkins-Lane C, Manson N, Malham G, Rampersaud Y, Malham G, Malham G, King V, Goldstein C, Fisher C, Fehlings M, Fisher C, Wong E, Sardar Z, Christie S, Patel A, Pinkoski C, Ahn H, Drew B, Dvorak M, Pezeshki P, Altaf F, Wilde P, Rampersaud Y, Sparrey C, Tetreault L, Fehlings M, Tetreault L, Rampersaud R, Jack A, Johnstone R, Fernandes A, Urquhart J, Morokoff A, Manson N, Tomkins-Lane C, Phan P, Evaniew N, Shamji M, Manson J, Rampersaud Y, Nault ML, St-Pierre GH, Larouche J, Lewis S, Wilgenbusch C, Lewis S, Rampersaud Y, Johnson R, Cushnie D, Sridharan S, Street J, Gregg C, Missiuna P, Abraham E, Abraham E, Manson N, Huang E, Passmore S, Mac-Thiong JM, Labelle H, Moulin D, Turgeon I, Roy-Beaudry M, Bourassa N, Petit Y, Parent. S, Chabot S, Westover L, Hill D, Moreau M, Hedden D, Lou E, Adeeb. S, Smith M, Bridge C, Hsu B, Gray. R, Group PORSCHES, Saran N, Mac-Thiong JM, Stone L, Ouellet. J, Protopsaltis T, Terran J, Bronsard N, Smith J, Klineberg E, Mundis G, Hostin R, Hart R, Shaffrey C, Bess S, Ames C, Schwab F, Lafage. V, Schwab F, Lafage V, Protopsaltis T, Ames C, Bess S, Smith J, Errico. T, Schwab F, Soroceanu A, Bronsard N, Smith J, Klineberg E, Mundis G, Hostin R, Hart R, Burton D, Ames C, Shaffrey C, Bess S, Errico T, Lafage. V, Terran J, Soroceanu A, Bronsard N, Smith J, Klineberg E, Mundis G, Kim HJ, Hostin R, Hart R, Shaffrey C, Bess S, Ames C, Schwab F, Lafage. V, Urquhart J, Gananapathy V, Siddiqi F, Gurr K, Bailey C, Ravi B, David K, Rampersaud. R, Tu Y, Salter. M, Nichol H, Fourney D, Kelly. M, Parker R, Ellis N, Blecher C, Chow F, Claydon. M, Sardar Z, Alexander D, Oxner W, Plessis SD, Yee A, Wai. E, Lewis S, Davey J, Gandhi R, Mahomed. N, Hu R, Thomas K, Hepler C, Choi K, Rowed K, Haig. A, Lam. K, Parker R, Blecher C, Seex. K, Perruccio A, Gandhi R, Program. UHNA, Ellis N, Parker R, Goss B, Blecher C, Ballok. Z, Parker R, Ellis N, Chan P, Varma. D, Swart A, Winder M, Varga PP, Gokaslan Z, Boriani S, Luzzati A, Rhines L, Fisher C, Chou D, Williams R, Dekutoski M, Quraishi N, Bettegowda C, Kawahara N, Fehlings. M, Versteeg A, Boriani S, Varga PP, Dekutoski M, Luzzati A, Gokaslan Z, Williams R, Reynolds J, Fehlings M, Bettegowda C, Rhines. L, Zamorano J, Nater A, Tetrault L, Varga P, Gokaslan Z, Boriani S, Fisher C, Rhines L, Bettegowda C, Kawahara N, Chou. D, Fehlings M, Kopjar B, Vaccaro A, Arnold P, Schuster J, Finkelstein J, Rhines L, Dekutoski M, Gokaslan Z, France. J, Whyne C, Singh D, Ford. M, Aldebeyan W, Ouellet J, Steffen T, Beckman L, Weber M, Jarzem. P, Kwon B, Ahn H, Bailey C, Fehlings M, Fourney D, Gagnon D, Tsai E, Tsui D, Parent S, Chen J, Dvorak M, Noonan V, Rivers C, Network RHSCIR, Batke J, Lenehan B, Fisher C, Dvorak M, Street. J, Fox R, Nataraj A, Bailey C, Christie S, Duggal N, Fehlings M, Finkelstein J, Fourney D, Hurlbert R, Kwon B, Townson A, Tsai E, Attabib N, Chen J, Dvorak M, Noonan V, Rivers C, Network. RHSCIR, Fehlings M, Paquet J, Ahn H, Attabib N, Bailey C, Christie S, Duggal N, Finkelstein J, Fourney D, Hurlbert R, Johnson M, Kwon B, Parent S, Tsai E, Dvorak M, Noonan V, Rivers C, Shen T, Network. RHSCIR, Fisher C, Kwon B, Drew B, Fehlings M, Paquet J, Ahn H, Attabib N, Bailey C, Christie S, Duggal N, Finkelstein J, Fourney D, Hurlbert R, Johnson M, Mac-Thiong JM, Parent S, Tsai E, Fallah N, Noonan V, Rivers C, Network RHSCIR, Davidson S, McCann C, Akens M, Murphy K, Whyne C, Sherar M, Yee. A, Belanger L, Ronco J, Dea N, Paquette S, Boyd M, Street J, Fisher C, Dvorak M, Kwon B, Gonzalvo A, Fitt G, Liew S, de la Harpe D, Turner P, Rogers M, Bidos A, Fanti C, Young B, Drew B, Puskas. D, Tam H, Manansala S, Nosov V, Delva M, Alshafai N, Kopjar B, Tan G, Arnold P, Fehlings. M, Kopjar B, Arnold P, Ibrahim A, Tetrault. L, Kopjar B, Arnold P, Fehlings. M, Sundararajan K, Eng. S, St-Pierre G, Nataraj A, Urquhart J, Rosas-Arellano P, Tallon C, Gurr K, Siddiqi F, Bailey S, Bailey C, Sundararajan K, Rampersaud. R, Rosa-Arellano P, Tallon C, Bailey S, Gurr K, Bailey. C, Parker R, Milili L, Goss B, Malham. G, Green A, McKeon M, Abraham. E, Lafave L, Parnell J, Rempel J, Moriartey S, Andreas Y, Wilson P, Hepler C, Ray H, Hu. R, Ploumis A, Hess K, Wood. K, Yarascavitch B, Madden K, Ghert M, Drew B, Bhandari M, Kwok D, Tu YS, Salter. M, Hadlow. A, Tso P, Walker K, Lewis S, Davey J, Mahomed N, Coyte. P, Mac-Thiong JM, Roy-Beaudry M, Turgeon I, Labelle H, deGuise J, Parent. S, Jack A, Fox R, Nataraj A, Paquette S, Leroux T, Yee A, Ahn H, Broad R, Fisher C, Hall H, Nataraj A, Hedden D, Christie S, Carey T, Mehta V, Fehlings M, Wadey. V, Dear T, Hashem. M, Fourney D, Goldstein S, Bodrogi A, Lipkus M, Dear T, Keshen S, Veillette C, Gandhi R, Adams D, Briggs N, Davey J, Fehlings M, Lau J, Lewis S, Magtoto R, Marshall K, Massicotte E, Ogilvie-Harris D, Sarro A, Syed K, Mohamed. N, Perera S, Taha A, Urquhart J, Gurr K, Siddiqi F, Bailey C, Thomas K, Cho R, Swamy G, Power C, Henari S, Lenehan. B, McIntosh G, Hall H, Hoffman. C, Karachi A, Pazionis T, AlShaya O, Green A, McKeon M, Manson. N, Green A, McKeon M, Manson. N, Green A, McKeon M, Murray J, Abraham. E, Thomas K, Suttor S, Goyal T, Littlewood J, Bains I, Bouchard J, Hu R, Jacobs B, Cho R, Swamy G, Johnson M, Pelleck V, Amad Y, Ramos E, Glazebrook C. Combined Spine Conference of the Canadian Spine Society New Zealand Orthopaedic Spine Society, Spine Society of Australia: Fairmont Château Lake Louise, Lake, Louise, Alberta, Tuesday, Feb. 25 to Saturday, Mar. 1, 20141.1.01 The use of suspension radiographs to predict LIV tilt.1.1.02 Surgical correction of adolescent idiopathic scoliosis without fusion: an animal model.1.1.03 Are full torso surface topography postural measurements more sensitive to change than back only parameters in adolescents with idiopathic scoliosis and a main thoracic curve?1.2.04 Restoration of thoracic kyphosis in adolescent idiopathic kyphosis: comparative radiographic analysis of round versus rail rods.1.2.05 Scoliosis surgery in spastic quadriplegic cerebral palsy: Is fusion to the pelvis always necessary? A 4–18-year follow-up study.1.2.06 Identification and validation of pain-related biomarkers surrounding spinal surgery in adolescents.1.3.07 Cervical sagittal deformity develops after PJK in adult throacolumbar deformity correction: radiographic analysis using a novel global sagittal angular parameter, the CTPA.1.3.08 Impact of obesity on complications and patient-reported outcomes in adult spinal deformity surgery.1.3.09 The T1 pelvic angle, a novel radiographic measure of sagittal deformity, accounts for both pelvic retroversion and truncal inclination and correlates strongly with HRQOL.1.4.10 Determining cervical sagittal deformity when it is concurrent with thoracolumbar deformity.1.4.11 The influence of sagittal balance and pelvic parameters on the outcome of surgically treated patients with degenerative spondylolisthesis.1.4.12 Predictors of degenerative spondylolisthesis and loading translation in surgical lumbar spinal stenosis patients.2.1.13 Mechanical allodynia following disc herniation requires intraneural macrophage infiltration and can be blocked by systemic selenium delivery or attenuation of BDNF activity.2.1.14 The effect of alanyl-glutamine on epidural fibrosis in a rat laminectomy model.2.1.15 Anterior lumbar interbody fusion using recombinant human bone morphogenetic protein-2: a prospective study of complications.2.2.16 2-year results of a Canadian, multicentre, blinded, pilot study of a novel peptide in promoting lumbar spine fusion.2.2.17 Comparative outcomes and cost-utility following surgical treatment of focal lumbar spinal stenosis compared with osteoarthritis of the hip or knee: long-term change in health-related quality of life.2.2.18 Changes in objectively measured walking performance, function, and pain following surgery for spondylolisthesis and lumbar spinal stenosis.2.3.19 A prospective multicentre observational data-monitored study of minimally invasive fusion to treat degenerative lumbar disorders: complications and outcomes at 1-year follow-up.2.3.20 Assessment and classification of subsidence in lateral interbody fusion using serial computed tomography.2.3.21 Predictors of willingness to undergo spinal and orthopaedic surgery after surgical consultation.2.4.22 Indirect foraminal decompression is independent of facet arthropathy in extreme lateral interbody fusion.2.4.23 Cervical artificial disc replacement with ProDisc-C: clinical and radiographic outcomes with long-term follow-up.2.4.24 Tantalum trabecular metal implants in anterior cervical corpectomy and fusion.3.1.25 Hemangiomas of the spine: results of surgical management and prognostic variables for local recurrence and mortality in a multicentre study.3.1.26 Chondrosarcomas of the spine: prognostic variables for local recurrence and mortality in a multicentre study.3.1.27 Risk factors for recurrence of surgically treated spine schwannomas: analysis of 169 patients from a multicentre international database.3.2.28 Survival pattern and the effect of surgery on health related quality of life and functional outcome in patients with metastatic epidural spinal cord compression from lung cancer — the AOSpine North America prospective multicentre study.3.2.29 A biomechanical assessment of kyphoplasty as a stand-alone treatment in a human cadaveric burst fracture model.3.2.30 What is safer in incompetent vertebrae with posterior wall defects, kyphoplasty or vertebroplasty: a study in vertebral analogs.3.3.31 Feasibility of recruiting subjects for acute spinal cord injury (SCI) clinical trials in Canada.3.3.32 Prospective analysis of adverse events in elderly patients with traumatic spinal cord injury.3.3.33 Does traction before surgery influence time to neural decompression in patients with spinal cord injury?3.4.34 Current treatment of individuals with traumatic spinal cord injury: Do we need age-specific guidelines?3.4.35 Current surgical practice for traumatic spinal cord injury in Canada.3.4.36 The importance of “time to surgery” for traumatic spinal cord injured patients: results from an ambispective Canadian cohort of 949 patients.3.5.37 Assessment of a novel coil-shaped radiofrequency probe in the porcine spine.3.5.38 The effect of norepinephrine and dopamine on cerebrospinal fluid pressure after acute spinal cord injury.3.5.39 The learning curve of pedicle screw placement: How many screws are enough?4.1.40 Preliminary report from the Ontario Inter-professional Spine Assessment and Education Clinics (ISAEC).4.1.41 A surrogate model of the spinal cord complex for simulating bony impingement.4.1.42 Clinical and surgical predictors of specific complications following surgery for the treatment of degenerative cervical myelopathy: results from the multicentre, prospective AOSpine international study on 479 patients.4.2.43 Outcomes of surgical management of cervical spondylotic myelopathy: results of the prospective, multicentre, AOSpine international study in 479 patients.4.2.44 A clinical prediction rule for clinical outcomes in patients undergoing surgery for degenerative cervical myelopathy: analysis of an international AOSpine prospective multicentre data set of 757 subjects.4.2.45 The prevalence and impact of low back and leg pain among aging Canadians: a cross-sectional survey.4.3.46 Adjacent segment pathology: Progressive disease course or a product of iatrogenic fusion?4.3.47 Natural history of degenerative lumbar spondylolisthesis in patients with spinal stenosis.4.3.48 Changes in self-reported clinical status and health care utilization during wait time for surgical spine consultation: a prospective observational study.4.3.49 The Canadian surgical wait list for lumbar degenerative spinal stenosis has a detrimental effect on patient outcomes.4.3.50 Segmental lordosis is independent of interbody cage position in XLIF.4.3.51 Elevated patient BMI does not negatively affect self-reported outcomes of thoracolumbar surgery.1.5.52 The Spinal Stenosis Pedometer and Nutrition Lifestyle Intervention (SSPANLI): development and pilot.1.5.53 Study evaluating the variability of surgical strategy planning for patients with adult spinal deformity.1.5.54 Atlantoaxial instability in acute odontoid fractures is associated with nonunion and mortality.1.5.55 Peripheral hypersensitivity to subthreshold stimuli persists after resolution of acute experimental disc-herniation neuropathy.1.5.56 Radiation induced lumbar spinal osteonecrosis: case report and literature review.1.5.57 Comparative outcomes and cost-utility following surgical treatment of focal lumbar spinal stenosis compared with osteoarthritis of the hip or knee: Part 2 — estimated lifetime incremental cost-utility ratios.1.5.58 A predictive model of progression for adolescent idiopathic scoliosis based on 3D spine parameters at first visit.1.5.59 Development of a clinical prediction model for surgical decision making in patients with degenerative lumbar spine disease.2.5.60 Canadian spine surgery fellowship education: evaluating opportunity in developing a nationally based training curriculum.2.5.61 Pedicle subtraction osteotomy for severe proximal thoracic junctional kyphosis.2.5.62 A comparison of spine surgery referrals triaged through a multidisciplinary care pathway versus conventional referrals.2.5.63 Results and complications of posterior-based 3 column osteotomies in patients with previously fused spinal deformities.2.5.64 Orthopaedic Surgical AdVerse Event Severity (Ortho-SAVES) system: identifying opportunities for improved patient safety and resource utilization.2.5.65 Spontaneous spinal extra-axial haematomas — surgical experience in Otago and Southland 2011–2013.2.5.66 Obesity and spinal epidural lipomatosis in cauda equina syndrome.2.5.67 Factors affecting restoration of lumbar lordosis in adult degenerative scoliosis patients treated with lateral trans-psoas interbody fusion.3.6.68 Systematic review of complications in spinal surgery: a comparison of retrospective and prospective study design.3.6.69 Postsurgical rehabilitation patients have similar fear avoidance behaviour levels as those in nonoperative care.3.6.70 Outcomes of surgical treatment of adolescent spondyloptosis: a case series.3.6.71 Surgical success in primary versus revision thoracolumbar spine surgery.3.6.72 The effect of smoking on subjective patient outcomes in thoracolumbar surgery.3.6.73 Modelling patient recovery to predict outcomes following elective thoracolumbar surgery for degenerative pathologies.3.6.74 Outcomes from trans-psoas versus open approaches in the treatment of adult degenerative scoliosis.3.6.75 Lumbar spinal stenosis and presurgical assessment: the impact of walking induced strain on a performance-based outcome measure. Can J Surg 2014. [DOI: 10.1503/cjs.005614] [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: 11/01/2022] Open
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Möllmann J, Liehn EA, Simsekyilmaz S, Hess K, Findeisen H, Lebherz C, Marx N, Lehrke M. GLP-1 (7 – 37) and the GLP-1 metabolite (9 – 37) improve myocardial function and reduce infraction size after LAD ligation. DIABETOL STOFFWECHS 2014. [DOI: 10.1055/s-0034-1375135] [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: 10/25/2022]
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Kahles F, Möllmann J, Bäck C, Liberman A, Hess K, Findeisen HM, Krüger S, Lebherz C, Tacke F, Marx N, Lehrke M. The PDE-4 Inhibitor Roflumilast reduces weight gain, enhances insulin sensitivity and prevents hepatic steatosis in mice by increasing mitochondrogenesis. DIABETOL STOFFWECHS 2014. [DOI: 10.1055/s-0034-1375058] [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: 10/25/2022]
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Yasuda G, Kinguchi S, Katsumata M, Hirawa N, Shibata K, Van Roeyen CRC, Drescher A, Hess K, Boor P, Martin IV, Zok S, Braun G, Kuppe C, Liehn E, Weiskirchen R, Eriksson U, Gross O, Floege J, Eitner F, Ostendorf T, Mose FH, Jensen JM, Therwani S, Mortensen J, Hansen AB, Bech JN, Pedersen EB, Vink EE, De Boer A, Hoogduin JM, Leiner T, Bots ML, Blankestijn PJ, Silva Sousa H, Branco P, Dores H, Carvalho MS, Goncalves P, Almeida MS, Andrade MJ, Pereira M, Gaspar MA, Mendes M, Barata JD. HYPERTENSION: EXPERIMENTAL. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu137] [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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Steinberg M, Hess K, Corcoran C, Mielke MM, Norton M, Breitner J, Green R, Leoutsakos J, Welsh-Bohmer K, Lyketsos C, Tschanz J. Vascular risk factors and neuropsychiatric symptoms in Alzheimer's disease: the Cache County Study. Int J Geriatr Psychiatry 2014; 29:153-9. [PMID: 23681754 PMCID: PMC3883945 DOI: 10.1002/gps.3980] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Accepted: 04/03/2013] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Knowledge of potentially modifiable risk factors for neuropsychiatric symptoms (NPS) in Alzheimer's disease (AD) is important. This study longitudinally explores modifiable vascular risk factors for NPS in AD. METHODS Participants enrolled in the Cache County Study on Memory in Aging with no dementia at baseline were subsequently assessed over three additional waves, and those with incident (new onset) dementia were invited to join the Dementia Progression Study for longitudinal follow-up. A total of 327 participants with incident AD were identified and assessed for the following vascular factors: atrial fibrillation, hypertension, diabetes mellitus, angina, coronary artery bypass surgery, myocardial infarction, cerebrovascular accident, and use of antihypertensive or diabetes medicines. A vascular index (VI) was also calculated. NPS were assessed over time using the Neuropsychiatric Inventory (NPI). Affective and Psychotic symptom clusters were assessed separately. The association between vascular factors and change in NPI total score was analyzed using linear mixed model and in symptom clusters using a random effects model. RESULTS No individual vascular risk factors or the VI significantly predicted change in any individual NPS. The use of antihypertensive medications more than four times per week was associated with higher total NPI and Affective cluster scores. CONCLUSIONS Use of antihypertensive medication was associated with higher total NPI and Affective cluster scores. The results of this study do not otherwise support vascular risk factors as modifiers of longitudinal change in NPS in AD.
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Affiliation(s)
- Martin Steinberg
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins Bayview Medical Center, Baltimore, MD
| | - Kyle Hess
- Center for Epidemiologic Studies, Utah State University, Logan, UT
| | - Chris Corcoran
- Center for Epidemiologic Studies, Utah State University, Logan, UT,Department of Mathematics and Statistics, Utah State University, Logan, UT
| | - Michelle M. Mielke
- Department of Health Sciences Research, Division of Epidemiology, Mayo Clinic, Rochester MN
| | - Maria Norton
- Center for Epidemiologic Studies, Utah State University, Logan, UT,Department of Family Consumer and Human Development, Utah State University, Logan, UT,Department of Psychology, Utah State University, Logan, UT
| | - John Breitner
- Centre for Studies on Prevention of Alzheimer’s Disease, Douglas Mental Health Institute Research Center; and Department of Psychiatry, McGill University Faculty of Medicine, Montreal, QC, CA
| | - Robert Green
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston MA
| | - Jeannie Leoutsakos
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins Bayview Medical Center, Baltimore, MD
| | - Kathleen Welsh-Bohmer
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC
| | - Constantine Lyketsos
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins Bayview Medical Center, Baltimore, MD
| | - Joann Tschanz
- Center for Epidemiologic Studies, Utah State University, Logan, UT,Department of Family Consumer and Human Development, Utah State University, Logan, UT
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Kahles F, Lehrke M, Marx J, Makowska A, Hess K, Marx N, Findeisen HM. The phosphodiesterase 4 inhibitor roflumilast attenuates neointima formation and vascular smooth muscle cell inflammation. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p4163] [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: 11/13/2022] Open
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Neergaard-Petersen S, Ajjan R, Hvas AM, Hess K, Larsen SB, Kristensen SD, Grove EL. Platelet aggregation and fibrin clot structure in patients with coronary artery disease and previous myocardial infarction. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht310.p4904] [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: 11/14/2022] Open
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Giordano A, Gao H, Cohen EN, Anfossi S, Khoury J, Hess K, Krishnamurthy S, Tin S, Cristofanilli M, Hortobagyi GN, Woodward WA, Lucci A, Reuben JM. Clinical relevance of cancer stem cells in bone marrow of early breast cancer patients. Ann Oncol 2013; 24:2515-2521. [PMID: 23798614 DOI: 10.1093/annonc/mdt223] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [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: 12/17/2022] Open
Abstract
BACKGROUND Cancer stem cells (CSCs) are epithelial tumor cells that express CD44(+)CD24(-/lo). CSCs can be further divided into those that have aldehyde dehydrogenase (ALDH) activity (Aldefluor(+)) and those that do not. We hypothesized that if CSCs are responsible for tumor dissemination, their presence in bone marrow (BM) would be prognostic in early stages of breast cancer (EBC) patients. PATIENTS AND METHODS BM aspirates were collected at the time of surgery from 108 patients with EBC. BM was analyzed for CSCs and ALDH activity by flow cytometry. Overall survival and disease-free survival (DFS) were calculated from the date of diagnosis and analyzed with Kaplan-Meier survival plots. Cox multivariate proportional hazards model was also carried out. RESULTS Patients with CSCs in BM had a hazard ratio (HR) of 8.8 for DFS (P = 0.002); patients with Aldefluor(+) CSCs had a HR of 5.9 (P = 0.052) for DFS. All deceased patients (n = 7) had CSCs in BM. In multivariate analysis, the presence of CSCs in BM was a prognostic factor of DFS (HR = 15.8, P = 0.017). CONCLUSIONS The presence of BM metastasis is correlated with CSCs and these CSCs irrespective of ALDH activity are an independent adverse prognostic factor in EBC patients.
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Affiliation(s)
- A Giordano
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of Endocrinology and Molecular and Clinical Oncology, University of Naples Federico II, Naples, Italy
| | - H Gao
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - E N Cohen
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S Anfossi
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - J Khoury
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - K Hess
- Departments of Biostatistics
| | - S Krishnamurthy
- Pathology, The University of Texas MD Anderson Cancer Center, Houston
| | - S Tin
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - M Cristofanilli
- Department of Medical Oncology, Fox Chase Cancer Center, Philadelphia
| | | | | | - A Lucci
- Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - J M Reuben
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, USA.
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Bate R, Jensen P, Hess K, Mooney L, Milligan J. Substandard and falsified anti-tuberculosis drugs: a preliminary field analysis. Int J Tuberc Lung Dis 2013; 17:308-11. [PMID: 23321423 DOI: 10.5588/ijtld.12.0355] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING Pharmacies in 19 cities in Angola, Brazil, China, Democratic Republic of Congo, Egypt, Ethiopia, Ghana, India (n = 3), Kenya, Nigeria, Russia, Rwanda, Thailand, Turkey, Uganda, United Republic of Tanzania and Zambia. OBJECTIVE To assess the quality of the two main first-line anti-tuberculosis medicines, isoniazid and rifampicin, procured from private-sector pharmacies, to determine if substandard and falsified medicines are available and if they potentially contribute to drug resistance in cities in low- and middle-income countries. DESIGN Local nationals procured 713 treatment packs from a selection of pharmacies in 19 cities. These samples were tested for quality using 1) thin-layer chromatography to analyze levels of active pharmaceutical ingredient (API), and 2) disintegration testing. RESULTS Of 713 samples tested, 9.1% failed basic quality testing for requisite levels of API or disintegration. The failure rate was 16.6% in Africa, 10.1% in India, and 3.9% in other middle-income countries. CONCLUSIONS Substandard and falsified drugs are readily available in the private marketplace and probably contribute to anti-tuberculosis drug resistance in low- and middle-income countries. This issue warrants further investigation through large-scale studies of drug quality in all markets.
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Affiliation(s)
- R Bate
- American Enterprise Institute, Washington, DC, USA
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Xiang Z, Hess K, Zhang X, Liang S, Chang J. A Dosimetric Model for Predicting Radiation Pneumonitis After Stereotactic Ablative Radiation Therapy for Stage I Non-small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.1484] [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: 10/27/2022]
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Stuijver DJF, Hooper JMW, Orme SM, Van Zaane B, Squizzato A, Piantanida E, Hess K, Alzahrani S, Ajjan RA. Fibrin clot structure and fibrinolysis in hypothyroid individuals: the effects of normalising thyroid hormone levels. J Thromb Haemost 2012; 10:1708-10. [PMID: 22631859 DOI: 10.1111/j.1538-7836.2012.04789.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gilbert M, Hess K, Corcoran C, Snyder C, Norton M, Rao V, Welsh‐Bohmer K, Breitner J, Lyketsos C, Tschanz J. P3‐137: Does the length of time between traumatic brain injury and the onset of Alzheimer's disease affect the rate of cognitive and functional progression?: The Cache County Dementia Progression Study. Alzheimers Dement 2012. [DOI: 10.1016/j.jalz.2012.05.1357] [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: 11/30/2022]
Affiliation(s)
| | - Kyle Hess
- Utah State UniversityLoganUtahUnited States
| | | | | | | | - Vani Rao
- Johns Hopkins UniversityBaltimoreMarylandUnited States
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Einert TR, Schmidt G, Binnig G, Balacescu O, Balacescu L, Rus M, Buiga R, Tudoran O, Todor N, Nagy V, Irimie A, Neagoe I, Yacobi R, Ustaev E, Berger RR, Barshack I, Kaur K, Henderson S, Cutts A, Domingo E, Woods J, Motley C, Dougherty B, Middleton M, Hassan B, Wang Y, Beasley E, Naley M, Schuh A, Tomlinson I, Taylor J, Planchard D, Lueza B, Rahal A, Lacroix L, Ngocamus M, Auger N, Saulnier P, Dorfmuller P, Le Chevalier T, Celebic A, Pignon JP, Soria JC, Besse B, Sun YH, Wang R, Li CG, Pan YJ, Chen HQ, Chouchane L, Shan J, Kizhakayil D, Aigha I, Dsouza S, Noureddine B, Gabbouj S, Mathew R, Hassen E, Chouchane L, Shan S, al-Rumaihi K, al-Bozom I, al-Said S, Rabah D, Farhat K, Kizhakayil D, Aigha I, Jakobsen Falk IA, Green KHZ, Lotfi K, Fyrberg A, Pejovic T, Li H, Mhawech-Fauceglia P, Hoatlin M, Guo MG, Huang M, Ge Y, Hess K, Wei C, Zhang W, Bogush TA, Dudko EA, Nureev MV, Kamensky AA, Polotsky BE, Tjulandin SA, Davydov MI, Caballero M, Hasmats J, Green H, Quanz M, Buhler C, Sun JS, Dutreix M, Cebotaru CL, Buiga R, Placintar AN, Ghilezan N, Balogh ZB, Reiniger L, Rajnai H, Csomor J, Szepesi A, Balogh A, Deak L, Gagyi E, Bodor C, Matolcsy A, Bozhenko VK, Rozhkova NI, Kudinova EA, Bliznyukov OP, Vaskevich EN, Trotsenko ID, Bozhenko VK, Rozhkova NI, Kharchenko NV, Kudinova EA, Bliznyukov OP, Kiandarian IV, Trotsenko ID, Pulito C, Terrenato I, Sacconi A, Biagioni F, Mottolese M, Blandino G, Muti P, Falvo E, Strano S, Mori F, Sacconi A, Ganci F, Covello R, Zoccali C, Biagini R, Blandino G, Strano S, Palmer GA, Wegdam W, Meijer D, Kramer G, Langridge J, Moerland PD, de Jong SM, Vissers JP, Kenter GG, Buist MR, Aerts JMFG, Milione M, de Braud F, Buzzoni R, Pusceddu S, Mazzaferro V, Damato A, Pelosi G, Garassino M, de Braud F, Broggini M, Marabese M, Veronese S, Ganzinelli M, Martelli O, Ganci F, Bossel N, Sacconi A, Fontemaggi G, Manciocco V, Sperduti I, Falvo E, Strigari L, Covello R, Muti P, Strano S, Spriano G, Domany E, Blandino G, Donzelli S, Sacconi A, Bellissimo T, Alessandrini G, Strano S, Carosi MA, Pescarmona E, Facciolo F, Telera S, Pompili A, Blandino G, de Vriendt V, de Roock W, di Narzo AF, Tian S, Biesmans B, Jacobs B, de Schutter J, Budzinska E, Sagaert X, Delorenzi M, Simon I, Tejpar S, Zhu Y, Wang HK, Ye DW, Denisov E, Tsyganov M, Tashireva L, Zavyalova M, Perelmuter V, Cherdyntseva N, Kim YC, Jang T, Oh IJ, Kim KS, Ban H, Na KJ, Ahn SJ, Kang H, Kim WJ, Park C, Abousamra NK, El-Din MS, Azmy EA. Diagnostics. Ann Oncol 2012. [DOI: 10.1093/annonc/mds161] [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: 11/12/2022] Open
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Guo M, Huang M, Ge Y, Hess K, Wei C, Zhang W. P1.11 Stage-Associated Difference in Microrna Expression in Lung Adenocarcinoma from Smokers and Non-Smokers. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)31302-8] [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: 10/25/2022] Open
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Hooper JMW, Stuijver DJF, Orme SM, van Zaane B, Hess K, Gerdes VE, Phoenix F, Rice P, Smith KA, Alzahrani SH, Standeven KF, Ajjan RA. Thyroid dysfunction and fibrin network structure: a mechanism for increased thrombotic risk in hyperthyroid individuals. J Clin Endocrinol Metab 2012; 97:1463-73. [PMID: 22378816 DOI: 10.1210/jc.2011-2894] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT Hyperthyroidism is associated with increased thrombosis risk, and fibrin clot structure determines susceptibility to vascular thrombotic events. OBJECTIVE Our objective was to investigate clot formation and lysis in hyperthyroidism using observational and interventional studies. DESIGN Ex vivo fibrin clot structure/fibrinolysis and plasma levels of thrombotic/inflammatory markers were investigated in hyperthyroid individuals (n = 24) and matched controls (n = 19), using turbidimetric assays, ELISA, and confocal and electron microscopy. The effects of normalizing thyroid function were analyzed (n = 19) and the role of short-term exogenous hyperthyroidism in healthy volunteers studied (n = 16). RESULTS Hyperthyroid subjects displayed higher clot maximum absorbance compared with controls (0.41 ± 0.03 and 0.27 ± 0.01 arbitrary units, respectively; P < 0.01), and longer clot lysis time (518 ± 23 and 461 ± 18 sec, respectively; P < 0.05), which correlated with free T(4) levels. Plasma levels of fibrinogen and plasminogen activator inhibitor-1 were significantly higher in patients compared with controls. Normalizing thyroid function in 19 subjects was associated with lower maximum absorbance and shorter lysis time, accompanied by reduction in fibrinogen, plasminogen activator inhibitor-1, and D-dimer levels. Complement C3, but not C-reactive protein, levels were higher in hyperthyroid subjects compared with controls (0.92 ± 0.05 and 0.64 ± 0.03 g/liter, respectively; P < 0.01), correlated with clot structure parameters, and decreased after intervention. Confocal and electron microscopy confirmed more compact clots and impaired fibrinolysis during hyperthyroidism. Exogenous hyperthyroidism in healthy volunteers had no effect on any of the clot structure parameters. CONCLUSIONS Endogenous hyperthyroidism is associated with more compact clots and resistance to fibrinolysis ex vivo, related to the degree of hyperthyroidism and C3 plasma levels, and these changes are modulated by achieving euthyroidism. Altered clot structure/lysis may be one mechanism for increased thrombotic risk in hyperthyroidism.
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Affiliation(s)
- J M W Hooper
- Division of Cardiovascular and Diabetes Research, Multidisciplinary Cardiovascular Research Centre, University of Leeds, Leeds LS2 9JT, United Kingdom
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Hess K, Alzahrani SH, Mathai M, Schroeder V, Carter AM, Howell G, Koko T, Strachan MWJ, Price JF, Smith KA, Grant PJ, Ajjan RA. A novel mechanism for hypofibrinolysis in diabetes: the role of complement C3. Diabetologia 2012; 55:1103-13. [PMID: 21918806 DOI: 10.1007/s00125-011-2301-7] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [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] [Received: 05/20/2011] [Accepted: 08/12/2011] [Indexed: 12/14/2022]
Abstract
AIMS/HYPOTHESIS Impaired fibrin clot lysis is a key abnormality in diabetes and complement C3 is one protein identified in blood clots. This work investigates the mechanistic pathways linking C3 and hypofibrinolysis in diabetes using ex vivo/in vitro studies. METHODS Fibrinolysis and C3 plasma levels were determined in type 1 diabetic patients and healthy controls, and the effects of glycaemia investigated. C3 incorporation into fibrin clots and modulation of fibrinolysis were analysed by ELISA, immunoblotting, turbidimetric assays and electron and confocal microscopy. RESULTS Clot lysis time was longer in diabetic children than in controls (599 ± 18 and 516 ± 12 s respectively; p < 0.01), C3 levels were higher in diabetic children (0.55 ± 0.02 and 0.43 ± 0.02 g/l respectively; p < 0.01) and both were affected by improving glycaemia. An interaction between C3 and fibrin was confirmed by the presence of lower protein levels in sera compared with corresponding plasma and C3 detection in plasma clots by immunoblot. In a purified system, C3 was associated with thinner fibrin fibres and more prolongation of lysis time of clots made from fibrinogen from diabetic participants compared with controls (244 ± 64 and 92 ± 23 s respectively; p < 0.05). Confocal microscopy showed higher C3 incorporation into diabetic clots compared with controls, and fully formed clot lysis was prolonged by 764 ± 76 and 428 ± 105 s respectively (p < 0.05). Differences in lysis, comparing diabetes and controls, were not related to altered plasmin generation or C3-fibrinogen binding assessed by plasmon resonance. CONCLUSIONS/INTERPRETATION C3 incorporation into clots from diabetic fibrinogen is enhanced and adversely affects fibrinolysis. This may be one novel mechanism for compromised clot lysis in diabetes, potentially offering a new therapeutic target.
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Affiliation(s)
- K Hess
- University of Leeds, Leeds, UK
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Fauth E, Hess K, Piercy K, Norton M, Corcoran C, Rabins P, Lyketsos C, Tschanz J. Caregivers' relationship closeness with the person with dementia predicts both positive and negative outcomes for caregivers' physical health and psychological well-being. Aging Ment Health 2012; 16:699-711. [PMID: 22548375 PMCID: PMC3430821 DOI: 10.1080/13607863.2012.678482] [Citation(s) in RCA: 106] [Impact Index Per Article: 8.8] [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: 01/15/2023]
Abstract
Closer relationships between caregivers and care recipients with dementia are associated with positive outcomes for care recipients, but it is unclear if closeness is a risk or protective factor for the health and psychological wellbeing of caregivers. We examined 234 care dyads from the population-based Cache County Dementia Progression Study. Caregivers included spouses (49%) and adult offspring (51%). Care recipients mostly had dementia of the Alzheimer’s type (62%). Linear mixed models tested associations between relationship closeness at baseline or changes in closeness prior to versus after dementia onset, with baseline levels and changes over time in caregiver affect (Affect Balance Scale, ABS), depression (Beck Depression Inventory, BDI), and mental and physical health (components of the Short-Form Health Survey, SF-12). After controlling for demographic characteristics of the caregiver, number of caregiver health conditions, and characteristics of the care recipient (type of dementia, functional ability, and behavioral disturbances), we found that higher baseline closeness predicted higher baseline SF-12 mental health scores (better mental health) and lower depression. Higher baseline closeness also predicted greater worsening over time in ABS and SF-12 mental health. In addition, caregivers who reported a loss of closeness in their relationship with the care recipient from pre- to post-dementia displayed improved scores on ABS and SF-12 mental health, but worse SF-12 physical health over the course of the study. These results suggest that closeness and loss of closeness in the care dyad may be associated with both positive and adverse outcomes for caregivers, both cross-sectionally and over time.
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Affiliation(s)
- Elizabeth Fauth
- Family, Consumer, and Human Development, Utah State University, Logan, USA.
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MEDICAL AND NEURO-ONCOLOGY. Neuro Oncol 2011. [DOI: 10.1093/neuonc/nor152] [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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