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Liu X, Tang D, Qi M, He JQ. Efficacy of linezolid in the treatment of tuberculous meningitis: a meta-analysis. Arch Med Sci 2024; 20:1038-1042. [PMID: 39050154 PMCID: PMC11264080 DOI: 10.5114/aoms/189905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Accepted: 06/11/2024] [Indexed: 07/27/2024] Open
Abstract
Introduction Tuberculous meningitis (TBM) is a severe extra-pulmonary tuberculosis with high fatality. This meta-analysis aimed to assess the impact of linezolid on TBM treatment outcomes. Methods We searched multiple databases for studies published up to May 18, 2024 comparing the effects of linezolid on TBM. Meta-analysis was conducted using Review Manager 5.4. Results Our findings indicated that linezolid may reduce treatment failure risk (RR = 0.42 (0.20, 0.89), p = 0.02) and improve temperature recovery (RR = 1.56 (1.21, 2.02), p < 0.001) in TBM patients. Conclusions The analysis suggests a positive association between linezolid treatment and therapeutic improvements, with no significant adverse reactions reported.
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Affiliation(s)
- Xiaoshu Liu
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, China
- Department of Respiratory and Critical Care Medicine, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Daoyan Tang
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, China
| | - Min Qi
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, China
| | - Jian-Qing He
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, China
- State Key Laboratory of Respiratory Health and Multimorbidity, China
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2
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Kassegne L, Veziris N, Fraisse P. [A pharmacologic approach to treatment of Mycobacterium abscessus pulmonary disease]. Rev Mal Respir 2024; 41:29-42. [PMID: 38016833 DOI: 10.1016/j.rmr.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 10/22/2023] [Indexed: 11/30/2023]
Abstract
Mycobacterium abscessus is a fast-growing non-tuberculous mycobacteria complex causing pulmonary infections, comprising the subspecies abscessus, massiliense and bolletii. Differences are based predominantly on natural inducible macrolide resistance, active in most Mycobacterium abscessus spp abscessus species and in Mycobacterium abscessus spp bolletii but inactive in Mycobacterium abscessus spp massiliense. Therapy consists in long-term treatment, combining multiple antibiotics. Prognosis is poor, as only 40% of patients experience cure. Pharmacodynamic and pharmacokinetic data on M. abscessus have recently been published, showing that therapy ineffectiveness might be explained by intrinsic bacterial resistance (macrolides…) and by the unfavorable pharmacokinetics of the recommended antibiotics. Other molecules and inhaled antibiotics are promising.
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Affiliation(s)
- L Kassegne
- Service de pneumologie, pôle de pathologie thoracique, nouvel hôpital civil, Strasbourg, France; Groupe pour l'enseignement et la recherche en pneumo-infectiologie de la SPLF, 66, boulevard Saint-Michel, 75006 Paris, France.
| | - N Veziris
- Département de bactériologie, Inserm U1135, Centre d'immunologie et des maladies infectieuses (CIMI-Paris), Centre national de référence des mycobactéries et de la résistance des mycobactéries aux antituberculeux, Groupe hospitalier AP-HP, Sorbonne université, site Saint-Antoine, Paris, France; Groupe pour l'enseignement et la recherche en pneumo-infectiologie de la SPLF, 66, boulevard Saint-Michel, 75006 Paris, France
| | - P Fraisse
- Service de pneumologie, pôle de pathologie thoracique, nouvel hôpital civil, Strasbourg, France; Groupe pour l'enseignement et la recherche en pneumo-infectiologie de la SPLF, 66, boulevard Saint-Michel, 75006 Paris, France
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Hughes J. Pharmacokinetics and Safety of Group A and B Anti-Tuberculosis Drugs Used in Treatment of Rifampicin-Resistant Tuberculosis during Pregnancy and Post-Partum: A Narrative Review. Pathogens 2023; 12:1385. [PMID: 38133270 PMCID: PMC10745846 DOI: 10.3390/pathogens12121385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/06/2023] [Accepted: 11/14/2023] [Indexed: 12/23/2023] Open
Abstract
Recommendations for treatment of rifampicin-resistant tuberculosis (RR-TB) during pregnancy and post-partum now include Group A and B antituberculosis drugs. While pharmacokinetic data for most of these drugs among adults receiving treatment for RR-TB are limited, the data from pregnant patients and their infants are extremely scarce. Existing data suggest that fluoroquinolones, bedaquiline, clofazimine and terizidone may be used safely in pregnancy. Pharmacokinetic exposures, particularly between trimesters, are potentially sub-optimal; however, there is currently no evidence to support dose adjustment during pregnancy. Linezolid poses a potentially serious toxicity risk, particularly as exposures appear to be high in the later stages of pregnancy and post-partum following extended use, but this should be considered alongside the benefits of this extremely effective drug in the treatment of this life-threatening disease. While plenty of questions remain regarding the exposure to Group A and B antituberculosis drugs through breastmilk, existing literature suggests minimal harm to the breastfed infant. Pregnant patients and their infants should be included in therapeutic trials and pharmacokinetic studies of effective antituberculosis drugs.
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Affiliation(s)
- Jennifer Hughes
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town 7500, South Africa
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Keutzer L, Mockeliunas L, Sturkenboom MGG, Bolhuis MS, Akkerman OW, Simonsson USH. Derivation and Clinical Utility of Safety Targets for Linezolid-Related Adverse Events in Drug-Resistant Tuberculosis Treatment. Pharmaceuticals (Basel) 2023; 16:1575. [PMID: 38004440 PMCID: PMC10674798 DOI: 10.3390/ph16111575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/02/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Long-term usage of linezolid can result in adverse events such as peripheral neuropathy, anemia and thrombocytopenia. Therapeutic drug monitoring data from 75 drug-resistant tuberculosis patients treated with linezolid were analyzed using a time-to-event (TTE) approach for peripheral neuropathy and anemia and indirect response modelling for thrombocytopenia. Different time-varying linezolid pharmacokinetic exposure indices (AUC0-24h,ss, Cav, Cmax and Cmin) and patient characteristics were investigated as risk factors. A treatment duration shorter than 3 months was considered dropout and was modelled using a TTE approach. An exposure-response relationship between linezolid Cmin and both peripheral neuropathy and anemia was found. The exposure index which best described the development of thrombocytopenia was AUC0-24h. The final TTE dropout model indicated an association between linezolid Cmin and dropout. New safety targets for each adverse event were proposed which can be used for individualized linezolid dosing. According to the model predictions at 6 months of treatment, a Cmin of 0.11 mg/L and 1.4 mg/L should not be exceeded to keep the cumulative probability to develop anemia and peripheral neuropathy below 20%. The AUC0-24h should be below 111 h·mg/L or 270 h·mg/L to prevent thrombocytopenia and severe thrombocytopenia, respectively. A clinical utility assessment showed that the currently recommended dose of 600 mg once daily is safer compared to a 300 mg BID dosing strategy considering all four safety endpoints.
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Affiliation(s)
- Lina Keutzer
- Department of Pharmaceutical Biosciences, Uppsala University, 751 24 Uppsala, Sweden
| | - Laurynas Mockeliunas
- Department of Pharmaceutical Biosciences, Uppsala University, 751 24 Uppsala, Sweden
| | - Marieke G. G. Sturkenboom
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Mathieu S. Bolhuis
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Onno W. Akkerman
- Department of Pulmonary Diseases and Tuberculosis, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
- Tuberculosis Center Beatrixoord, University Medical Center Groningen, University of Groningen, 9751 ND Groningen, The Netherlands
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Graciaa DS, Schechter MC, Fetalvero KB, Cranmer LM, Kempker RR, Castro KG. Updated considerations in the diagnosis and management of tuberculosis infection and disease: integrating the latest evidence-based strategies. Expert Rev Anti Infect Ther 2023; 21:595-616. [PMID: 37128947 PMCID: PMC10227769 DOI: 10.1080/14787210.2023.2207820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/24/2023] [Indexed: 05/03/2023]
Abstract
INTRODUCTION Tuberculosis (TB) is a leading infectious cause of global morbidity and mortality, affecting nearly a quarter of the human population and accounting for over 10 million deaths each year. Over the past several decades, TB incidence and mortality have gradually declined, but 2021 marked a threatening reversal of this trend highlighting the importance of accurate diagnosis and effective treatment of all forms of TB. AREAS COVERED This review summarizes advances in TB diagnostics, addresses the treatment of people with TB infection and TB disease including recent evidence for treatment regimens for drug-susceptible and drug-resistant TB, and draws attention to special considerations in children and during pregnancy. EXPERT OPINION Improvements in diagnosis and management of TB have expanded the available options for TB control. Molecular testing has enhanced the detection of TB disease, but better diagnostics are still needed, particularly for certain populations such as children. Novel treatment regimens have shortened treatment and improved outcomes for people with TB. However, important questions remain regarding the optimal management of TB. Work must continue to ensure the potential of the latest developments is realized for all people affected by TB.
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Affiliation(s)
- Daniel S. Graciaa
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Marcos Coutinho Schechter
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Krystle B. Fetalvero
- Angelo King Medical Research Center-De La Salle Medical and Health Science Institute, Cavite, Philippines
- Department of Family and Community Medicine, Calamba Medical Center, Laguna, Philippines
| | - Lisa Marie Cranmer
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, USA
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
- Children’s Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Russell R. Kempker
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Kenneth G. Castro
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
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Johnson TM, Byrd TF, Drummond WK, Childs-Kean LM, Mahoney MV, Pearson JC, Rivera CG. Contemporary Pharmacotherapies for Nontuberculosis Mycobacterial Infections: A Narrative Review. Infect Dis Ther 2023; 12:343-365. [PMID: 36609820 PMCID: PMC9925655 DOI: 10.1007/s40121-022-00750-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 12/19/2022] [Indexed: 01/08/2023] Open
Abstract
Nontuberculous mycobacteria (NTM) are a group of atypical bacteria that may cause a spectrum of clinical manifestations, including pulmonary, musculoskeletal, skin and soft tissue, and cardiac infections. Antimycobacterial medication regimens for NTM infections require multiple agents with prolonged treatment courses and are often associated with poor tolerance in patients and suboptimal clinical outcomes. This review summarizes NTM pharmacotherapy, including treatment concepts, preferred medication regimens according to NTM species and site of infection, and emerging treatment methods for difficult-to-treat species.
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Affiliation(s)
| | - Thomas F Byrd
- Division of Infectious Diseases, University of New Mexico, Albuquerque, NM, USA
| | - Wendi K Drummond
- Division of Infectious Diseases, Providence Portland Medical Center, Portland, OR, USA
| | | | - Monica V Mahoney
- Department of Pharmacy, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jeffrey C Pearson
- Department of Pharmacy Services, Brigham and Women's Hospital, Boston, MA, USA
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Bai AD, McKenna S, Wise H, Loeb M, Gill SS. Safety Profile of Linezolid in Older Adults With Renal Impairment: A Population-Based Retrospective Cohort Study. Open Forum Infect Dis 2022; 9:ofac669. [PMID: 36601560 PMCID: PMC9801225 DOI: 10.1093/ofid/ofac669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Background The objective of this study was to characterize the safety profile of linezolid in patients with renal impairment compared with patients without renal impairment. Methods A population-based retrospective cohort study using linked administrative databases included patients aged 66 years or older in Ontario, Canadawho were prescribed linezolid from 2014 to 2021. Renal impairment was defined using baseline estimated glomerular filtration rate <30 mL/min/1.73 m2 or receipt of dialysis. The primary outcomes were change in platelet count and severe thrombocytopenia (platelet count <50 × 109/L) within 90 days. Secondary outcomes included bleeding, neutropenia, peripheral neuropathy, optic neuropathy, acidosis, serotonin syndrome, and mortality. Inverse probability of treatment weighting on propensity score was used to balance comparison groups on baseline health. Results Of 625 patients, 98 (15.7%) patients had renal impairment. The mean (SD) platelet change was -88.3 (108.4) 109/L in the renal impairment group and -76.5 (109.8) 109/L in the no renal impairment group, with an adjusted mean difference of -29.4 (95% CI, -53.4 to -5.3; P = .0165). Severe thrombocytopenia occurred in 9.2% for the renal impairment group and 5.9% for the no renal impairment group, with an adjusted risk difference of 2.7% (95% CI, -3.1% to 8.6%; P = .3655). There were no significant differences in secondary outcomes between the 2 groups. Conclusions Patients with renal impairment on linezolid therapy had a larger decrease in platelet count, but their risks for severe thrombocytopenia and bleeding were not significantly different than patients without renal impairment. Linezolid is likely safe in renal impairment without dose adjustment or drug level monitoring.
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Affiliation(s)
- Anthony D Bai
- Correspondence: Anthony D. Bai, MD, Division of Infectious Diseases, Department of Medicine at Queen’s University, Etherington Hall Room 3010, 94 Stuart St, Kingston, ON K7L 3N6, Canada ()
| | - Susan McKenna
- Department of Pharmacy Services, Kingston Health Sciences Centre, Kingston, ON, Canada
| | - Heather Wise
- Department of Pharmacy Services, Kingston Health Sciences Centre, Kingston, ON, Canada
| | - Mark Loeb
- Division of Infectious Diseases, Department of Medicine, McMaster University, Hamilton, ON, Canada
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