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Hou K, Jabeen R, Sun L, Wei J. How do Mutations of Mycobacterium Genes Cause Drug Resistance in Tuberculosis? Curr Pharm Biotechnol 2024; 25:724-736. [PMID: 37888812 DOI: 10.2174/0113892010257816230920053547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/28/2023] [Accepted: 08/07/2023] [Indexed: 10/28/2023]
Abstract
A steady increase in the prevalence of drug-resistant tuberculosis (DR-TB) has already been reported in Pakistan. In addition, DR-TB is gradually changing from one-drug resistance to multi-drug resistance, which is a serious challenge for tuberculosis treatment. This review provides an overview of the anti-tuberculosis drugs and focuses on the molecular mechanisms of drug resistance in Mycobacterium tuberculosis, with the hope that it will contribute to the study of drug resistance in response to the emergence of multidrug-resistant tuberculosis.
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Affiliation(s)
- Kaiying Hou
- School of Life Sciences, Henan University, Kaifeng, 475004, China
| | - Riffat Jabeen
- School of Life Sciences, Henan University, Kaifeng, 475004, China
| | - Lin Sun
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Jianshe Wei
- School of Life Sciences, Henan University, Kaifeng, 475004, China
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2
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van der Laan LE, Garcia-Prats AJ, McIlleron H, Abdelwahab MT, Winckler JL, Draper HR, Wiesner L, Schaaf HS, Hesseling AC, Denti P. Optimizing dosing of the cycloserine pro-drug terizidone in children with rifampicin-resistant tuberculosis. Antimicrob Agents Chemother 2023; 67:e0061123. [PMID: 37971239 PMCID: PMC10720412 DOI: 10.1128/aac.00611-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 10/07/2023] [Indexed: 11/19/2023] Open
Abstract
There are no pharmacokinetic data in children on terizidone, a pro-drug of cycloserine and a World Health Organization (WHO)-recommended group B drug for rifampicin-resistant tuberculosis (RR-TB) treatment. We collected pharmacokinetic data in children <15 years routinely receiving 15-20 mg/kg of daily terizidone for RR-TB treatment. We developed a population pharmacokinetic model of cycloserine assuming a 2-to-1 molecular ratio between terizidone and cycloserine. We included 107 children with median (interquartile range) age and weight of 3.33 (1.55, 5.07) years and 13.0 (10.1, 17.0) kg, respectively. The pharmacokinetics of cycloserine was described with a one-compartment model with first-order elimination and parallel transit compartment absorption. Allometric scaling using fat-free mass best accounted for the effect of body size, and clearance displayed maturation with age. The clearance in a typical 13 kg child was estimated at 0.474 L/h. The mean absorption transit time when capsules were opened and administered as powder was significantly faster compared to when capsules were swallowed whole (10.1 vs 72.6 min) but with no effect on bioavailability. Lower bioavailability (-16%) was observed in children with weight-for-age z-score below -2. Compared to adults given 500 mg daily terizidone, 2022 WHO-recommended pediatric doses result in lower exposures in weight bands 3-10 kg and 36-46 kg. We developed a population pharmacokinetic model in children for cycloserine dosed as terizidone and characterized the effects of body size, age, formulation manipulation, and underweight-for-age. With current terizidone dosing, pediatric cycloserine exposures are lower than adult values for several weight groups. New optimized dosing is suggested for prospective evaluation.
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Affiliation(s)
- Louvina E. van der Laan
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Anthony J. Garcia-Prats
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- University of Wisconsin-Madison, School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Helen McIlleron
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Mahmoud T. Abdelwahab
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Jana L. Winckler
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Heather R. Draper
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Lubbe Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - H. Simon Schaaf
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Anneke C. Hesseling
- Department of Paediatrics and Child Health, Desmond Tutu TB Centre, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Paolo Denti
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
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Susanto TD, Widysanto A, Cipta DA, Tanara A, Wirawan GR, Kosim AB, Djoni CM, Tantri E, Kumar C, Angelius C. Anxiety and depression level of patients with multidrug-resistant tuberculosis (MDR-TB) in two hospitals in Banten province, Indonesia. DIALOGUES IN HEALTH 2023; 2:100115. [PMID: 38515492 PMCID: PMC10953925 DOI: 10.1016/j.dialog.2023.100115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 01/26/2023] [Accepted: 02/12/2023] [Indexed: 03/23/2024]
Abstract
Purpose Anxiety and depression can be found in patients diagnosed with multidrug-resistant Tuberculosis (MDR-TB). The purpose of this research is to measure the level of anxiety and depression in new patients with MDR-TB. Methods One hundred two new patients newly diagnosed with MDR TB in two hospitals in Banten province, Indonesia, are measured for depression and anxiety symptoms. The measurements used the Indonesian language version of the Zung Anxiety Self-Assessment Scale Questionnaire and the Indonesian version of Zung Self-Rating Depression Scale Questionnaire for Pulmonary Tuberculosis Patients that have been validated. The results include the demographic data presented descriptively as tables and charts. Results The mean age of the patients is 39,57+12,48 years. The monthly income of the patients is 54,9% low and 45,1% medium with no high income. Male is 61,8%, and 38,2% are female. The mean score of the anxiety index is 57,32+10,23. The mean score of the depression index is 55,02+12,36. The percentage of patients with no anxiety is 13,7%, minimal to moderate anxiety 46,1%, marked to severe anxiety 33,3%, and most extreme anxiety 6,9%. Conclusions A significant proportion of patients newly diagnosed with MDR-TB experience anxiety and depression.
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Affiliation(s)
| | - Allen Widysanto
- Department of Internal Medicine, Universitas Pelita Harapan, Banten, Indonesia
| | - Darien Alfa Cipta
- Department of Psychiatry, Universitas Pelita Harapan, Banten, Indonesia
| | - Arron Tanara
- Faculty of Medicine, Universitas Pelita Harapan, Banten, Indonesia
| | | | | | | | - Ervinna Tantri
- Faculty of Medicine, Universitas Pelita Harapan, Banten, Indonesia
| | - Chandni Kumar
- Faculty of Medicine, Universitas Pelita Harapan, Banten, Indonesia
| | - Chelsie Angelius
- Faculty of Medicine, Universitas Pelita Harapan, Banten, Indonesia
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Heresco-Levy U, Lerer B. Synergistic psychedelic - NMDAR modulator treatment for neuropsychiatric disorders. Mol Psychiatry 2023:10.1038/s41380-023-02312-8. [PMID: 37945694 DOI: 10.1038/s41380-023-02312-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 10/17/2023] [Accepted: 10/23/2023] [Indexed: 11/12/2023]
Abstract
Modern research data suggest a therapeutic role for serotonergic psychedelics in depression and other neuropsychiatric disorders, although psychotomimetic effects may limit their widespread utilization. Serotonergic psychedelics enhance neuroplasticity via serotonin 2 A receptors (5HT2AR) activation and complex serotonergic-glutamatergic interactions involving the ionotropic glutamate receptors, tropomyosin receptor kinase B (TrkB) and the mammalian target of rapamycin (mTOR). N-methyl-d-aspartate receptors (NMDAR) channel antagonists, i.e. ketamine, and glycine modulatory site full and partial agonists, i.e., D-serine (DSR) and D-cycloserine (DCS), share some of these mechanisms of action and have neuroplastic and antidepressant effects. Moreover, procognitive effects have been reported for DSR and DCS and 5HT2AR-NMDAR interactions modulate neuronal excitability in prefrontal cortex and represent a target for new antipsychotics. We hypothesize that the synchronous administration of a psychedelic and a NMDAR modulator may increase the therapeutic impact of each of the treatment components and allow for dose adjustments and improved safety. We propose to initially focus research on the acute concurrent administration of psilocybin and DSR or DCS in depression.
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Affiliation(s)
- Uriel Heresco-Levy
- Department of Psychiatry, Herzog Medical Center; Hebrew University Faculty of Medicine, Jerusalem, Israel.
| | - Bernard Lerer
- Hadassah BrainLabs, Center for Psychedelic Research, Hadassah Medical Center, Hebrew University, Jerusalem, Israel.
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Mtetwa HN, Amoah ID, Kumari S, Bux F, Reddy P. Surveillance of multidrug-resistant tuberculosis in sub-Saharan Africa through wastewater-based epidemiology. Heliyon 2023; 9:e18302. [PMID: 37576289 PMCID: PMC10412881 DOI: 10.1016/j.heliyon.2023.e18302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 08/15/2023] Open
Abstract
The spread of multidrug-resistant tuberculosis (MDR-TB) is a serious public health issue, particularly in developing nations. The current methods of monitoring drug-resistant TB (DR-TB) using clinical diagnoses and hospital records are insufficient due to limited healthcare access and underreporting. This study proposes using Wastewater-Based Epidemiology (WBE) to monitor DR-TB in six African countries (Ghana, Nigeria, Kenya, Uganda, Cameroon, and South Africa) and examines the impact of treated wastewater on the spread of TB drug-resistant genes in the environment. Using droplet-digital polymerase chain reaction (ddPCR), the study evaluated untreated and treated wastewater samples in selected African countries for TB surveillance. There was a statistically significant difference in concentrations of genes conferring resistance to TB drugs in wastewater samples from the selected countries (p-value<0.05); South African samples exhibited the highest concentrations of 4.3(±2,77), 4.8(±2.96), 4.4(±3,10) and 4.7(±3,39) log copies/ml for genes conferring resistance to first-line TB drugs (katG, rpoB, embB and pncA respectively) in untreated wastewater. This may be attributed to the higher prevalence of TB/MDR-TB in SA compared to other African countries. Interestingly, genes conferring resistance to second-line TB drugs such as delamanid (ddn gene) and bedaquiline (atpE gene) were detected in relatively high concentrations (4.8(±3,67 and 3.2(±2,31 log copies/ml for ddn and atpE respectively) in countries, such as Cameroon, where these drugs are not part of the MDR-TB treatment regimens, perhaps due to migration or the unapproved use of these drugs in the country. The gene encoding resistance to streptomycin (rrs gene) was abundant in all countries, perhaps due to the common use of this antibiotic for infections other than TB. These results highlight the need for additional surveillance and monitoring, such as WBE, to gather data at a community level. Combining WBE with the One Health strategy and current TB surveillance systems can help prevent the spread of DR-TB in populations.
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Affiliation(s)
- Hlengiwe N. Mtetwa
- Institute for Water and Wastewater Technology (IWWT), Durban University of Technology, PO Box 1334, Durban, 4000, South Africa
- Department of Community Health Studies, Faculty of Health Sciences, Durban University of Technology, PO Box 1334, Durban, 4000, South Africa
| | - Isaac D. Amoah
- Institute for Water and Wastewater Technology (IWWT), Durban University of Technology, PO Box 1334, Durban, 4000, South Africa
- Department of Environmental Science, The University of Arizona, Shantz Building Rm 4291177 E 4th St.Tucson, AZ 85721, USA
| | - Sheena Kumari
- Institute for Water and Wastewater Technology (IWWT), Durban University of Technology, PO Box 1334, Durban, 4000, South Africa
| | - Faizal Bux
- Institute for Water and Wastewater Technology (IWWT), Durban University of Technology, PO Box 1334, Durban, 4000, South Africa
| | - Poovendhree Reddy
- Institute for Water and Wastewater Technology (IWWT), Durban University of Technology, PO Box 1334, Durban, 4000, South Africa
- Department of Community Health Studies, Faculty of Health Sciences, Durban University of Technology, PO Box 1334, Durban, 4000, South Africa
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Verboven L, Callens S, Black J, Maartens G, Dooley KE, Potgieter S, Cartuyvels R, Laukens K, Warren RM, Van Rie A. A machine-learning based model for automated recommendation of individualized treatment of rifampicin-resistant tuberculosis. RESEARCH SQUARE 2023:rs.3.rs-2525765. [PMID: 36824956 PMCID: PMC9949242 DOI: 10.21203/rs.3.rs-2525765/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Background Rifampicin resistant tuberculosis remains a global health problem with almost half a million new cases annually. In high-income countries patients empirically start a standardized treatment regimen, followed by an individualized regimen guided by drug susceptibility test (DST) results. In most settings, DST information is not available or is limited to isoniazid and fluoroquinolones. Whole genome sequencing could more accurately guide individualized treatment as the full drug resistance profile is obtained with a single test. Whole genome sequencing has not reached its full potential for patient care, in part due to the complexity of translating a resistance profile into the most effective individualized regimen. Methods We developed a treatment recommender clinical decision support system (CDSS) and an accompanying web application for user-friendly recommendation of the optimal individualized treatment regimen to a clinician. Results Following expert stakeholder meetings and literature review, nine drug features and 14 treatment regimen features were identified and quantified. Using machine learning, a model was developed to predict the optimal treatment regimen based on a training set of 3895 treatment regimen-expert feedback pairs. The acceptability of the treatment recommender CDSS was assessed as part of a clinical trial and in a routine care setting. Within the clinical trial setting, all patients received the CDSS recommended treatment. In 8 of 20 cases, the initial recommendation was recomputed because of stock out, clinical contra-indication or toxicity. In routine care setting, physicians rejected the treatment recommendation in 7 out of 15 cases because it deviated from the national TB treatment guidelines. A survey indicated that the treatment recommender CDSS is easy to use and useful in clinical practice but requires digital infrastructure support and training. Conclusions Our findings suggest that global implementation of the novel treatment recommender CDSS holds the potential to improve treatment outcomes of rifampicin resistant tuberculosis.
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Affiliation(s)
| | | | - John Black
- University of Cape Town and Livingstone Hospital
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Bossù G, Autore G, Bernardi L, Buonsenso D, Migliori GB, Esposito S. Treatment options for children with multi-drug resistant tuberculosis. Expert Rev Clin Pharmacol 2023; 16:5-15. [PMID: 36378271 DOI: 10.1080/17512433.2023.2148653] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION According to the latest report from the World Health Organization (WHO), approximately 10.0 million people fell ill with tuberculosis (TB) in 2020, 12% of which were children aged under 15 years. There is very few experience on treatment of multi-drug resistant (MDR)-TB in pediatrics. AREAS COVERED The aim of this review is to analyze and summarize therapeutic options available for children experiencing MDR-TB. We also focused on management of MDR-TB prophylaxis. EXPERT OPINION The therapeutic management of children with MDR-TB or MDR-TB contacts is complicated by a lack of knowledge, and the fact that many potentially useful drugs are not registered for pediatric use and there are no formulations suitable for children in the first years of life. Furthermore, most of the available drugs are burdened by major adverse events that need to be taken into account, particularly in the case of prolonged therapy. A close follow-up with a standardized timeline and a comprehensive assessment of clinical, laboratory, microbiologic and radiologic data is extremely important in these patients. Due to the complexity of their management, pediatric patients with confirmed or suspected MDR-TB should always be referred to a specialized center.
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Affiliation(s)
- Gianluca Bossù
- Pediatric Clinic, Pietro Barilla Children's Hospital, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Giovanni Autore
- Pediatric Clinic, Pietro Barilla Children's Hospital, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Luca Bernardi
- Pediatric Clinic, Pietro Barilla Children's Hospital, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Danilo Buonsenso
- Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Giovanni Battista Migliori
- Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri - IRCCS, Tradate, Italia
| | - Susanna Esposito
- Pediatric Clinic, Pietro Barilla Children's Hospital, Department of Medicine and Surgery, University of Parma, Parma, Italy
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8
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Muacevic A, Adler JR. Cycloserine-Induced Insomnia and Psychosis in Multidrug-Resistant Pulmonary Tuberculosis - A Case Report. Cureus 2022; 14:e32963. [PMID: 36712725 PMCID: PMC9875866 DOI: 10.7759/cureus.32963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2022] [Indexed: 12/27/2022] Open
Abstract
Tuberculosis (TB) is a highly infectious disease due to Mycobacterium tuberculosis. The disease presents as drug-sensitive or drug-resistant TB (DR-TB). DR-TB could be of various types like isoniazid mono-resistant, multidrug-resistant tuberculosis (MDR-TB), MDR-rifampicin mono-resistant (MDR-RR), extensively drug-resistant TB (XDR-TB), or pre-extensively drug-resistant TB (pre-XDR-TB). Management of DR-TB is challenging mainly due to longer treatment duration, high pill burden, and adverse drug reactions (ADR) to the second-line anti-TB drugs. Some of these could be life-threatening and require immediate care. Herein, a case of ADR caused by cycloserine in a pulmonary MDR-TB case is presented. All the antitubercular drugs were put on hold, and the symptoms disappeared, only to reappear with the rechallenge of cycloserine. It is emphasized here that a high degree of suspicion with immediate management is imperative to avoid fatal outcomes.
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Kempker RR, Smith AGC, Avaliani T, Gujabidze M, Bakuradze T, Sabanadze S, Avaliani Z, Collins JM, Blumberg HM, Alshaer MH, Peloquin CA, Kipiani M. Cycloserine and Linezolid for Tuberculosis Meningitis: Pharmacokinetic Evidence of Potential Usefulness. Clin Infect Dis 2022; 75:682-689. [PMID: 34849645 PMCID: PMC9464073 DOI: 10.1093/cid/ciab992] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The ability of antituberculosis drugs to cross the blood-brain barrier and reach the central nervous system is critical to their effectiveness in treating tuberculosis meningitis (TBM). We sought to fill a critical knowledge gap by providing data on the ability of new and repurposed antituberculosis drugs to penetrate into the cerebrospinal fluid (CSF). METHODS We conducted a clinical pharmacology study among patients treated for TBM in Tbilisi, Georgia, from January 2019 until January 2020. Serial serum and CSF samples were collected while patients were hospitalized. CSF was collected from routine lumbar punctures with the timing of the lumbar puncture alternating between 2 and 6 hours to capture early and late CSF penetration. RESULTS A total of 17 patients treated for TBM (8 with confirmed disease) were included; all received linezolid, with a subset receiving cycloserine (5), clofazimine (5), delamanid (4), and bedaquiline (2). All CSF measurements of bedaquiline (12), clofazimine (24), and delamanid (19) were below the limit of detection. The median CSF concentrations of cycloserine at 2 and 6 hours were 15.90 and 15.10 µg/mL with adjusted CSF/serum ratios of 0.52 and 0.66. CSF concentrations of linezolid were 0.90 and 3.14 µg/mL at 2 and 6 hours, with adjusted CSF/serum ratios of 0.25 and 0.59, respectively. CSF serum linezolid concentrations were not affected by rifampin coadministration. CONCLUSIONS Based on moderate to high CSF penetration, linezolid and cycloserine may be effective drugs for TBM treatment, whereas the utility of bedaquiline, delamanid, and clofazimine is uncertain given their low CSF penetration.
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Affiliation(s)
- Russell R Kempker
- Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta, Georgia, USA
| | | | - Teona Avaliani
- National Center for Tuberculosis and Lung Diseases, Tbilisi, Georgia
| | - Mariam Gujabidze
- National Center for Tuberculosis and Lung Diseases, Tbilisi, Georgia
| | - Tinatin Bakuradze
- National Center for Tuberculosis and Lung Diseases, Tbilisi, Georgia
| | - Shorena Sabanadze
- National Center for Tuberculosis and Lung Diseases, Tbilisi, Georgia
| | - Zaza Avaliani
- National Center for Tuberculosis and Lung Diseases, Tbilisi, Georgia
| | - Jeffrey M Collins
- Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta, Georgia, USA
| | - Henry M Blumberg
- Department of Medicine, Division of Infectious Diseases, Emory University, Atlanta, Georgia, USA
| | - Mohammad H Alshaer
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, Florida, USA
| | - Charles A Peloquin
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, Florida, USA
| | - Maia Kipiani
- National Center for Tuberculosis and Lung Diseases, Tbilisi, Georgia
- The University of Georgia, Tbilisi, Georgia
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Pang Y, Liu R, Song Y, Lv Z, Gao M, Nie L, Ge Q, Wu X. High Incidence of Psychiatric Disorders Associated with Cycloserine Treatment of Multidrug-Resistant Tuberculosis Patients: A Cohort Study in Beijing, China. Infect Drug Resist 2022; 15:3725-3732. [PMID: 35859910 PMCID: PMC9289756 DOI: 10.2147/idr.s369715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/03/2022] [Indexed: 11/23/2022] Open
Abstract
Objective Cycloserine (CS) is a group B anti-tuberculosis (TB) drug endorsed by the World Health Organization (WHO) for the treatment of drug-resistant (DR)-TB. Despite CS widespread acceptance and known efficacy, the high potential of drug-associated psychiatric disorders is a major concern to multidrug-resistant (MDR)-TB patients. In this study, we investigated CS-associated psychiatric disorders in a cohort of MDR-TB patients in Beijing, China. Our aim was to determine psychiatric disorder prevalence rates and associated risk factors in this population. Methods This MDR-TB cohort study was conducted at Beijing Chest Hospital between February 2018 and February 2021. All patients received individualized treatment regimens that included CS at some point during the full treatment course. Patient psychological status was assessed using the Symptom Checklist (SCL-90) questionnaire during the post-treatment follow-up period. Results Two hundred and thirty-seven MDR-TB patients were included in the final analysis. Overall, psychiatric disorders were recorded in 22 (9.28%) of the 237 patients in our cohort, with severity grades of 1 or 2 observed for the majority (8.44%) of psychiatric adverse events. As compared to results obtained for control group patients who were ≥40 years of age, patients who were <40 years of age (77.3%, 17/22) were more likely to experience psychiatric disorders [adjusted odds ratio (aOR) = 3.060; 95% CI (1.060–8.828)]. Additionally, patients with body mass index (BMI)s of <18.5 kg/m2 [aOR = 3.824; 95% CI (1.502–9.739)] had significantly higher odds of being afflicted with psychiatric disorders as compared with patients with BMIs that were ≥18.5 kg/m2. Conclusion Our results demonstrated that approximately one-tenth of Chinese MDR-TB patients experienced psychiatric disorders during CS treatment, with the majority of adverse events of moderate severity. In addition, low BMI and age <40 years were identified as independent risk factors for psychiatric disorders in MDR-TB patients receiving CS therapy.
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Affiliation(s)
- Yu Pang
- Department of Science and Technology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
| | - Rongmei Liu
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
| | - Yanhua Song
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
| | - Zizheng Lv
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
| | - Mengqiu Gao
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
| | - Lihui Nie
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
| | - Qiping Ge
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
| | - Xiaoguang Wu
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, People's Republic of China
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Mainga T, Gondwe M, Stewart RC, Mactaggart I, Shanaube K, Ayles H, Bond V. Conceptualization, detection, and management of psychological distress and mental health conditions among people with tuberculosis in Zambia: a qualitative study with stakeholders' and TB health workers. Int J Ment Health Syst 2022; 16:34. [PMID: 35820917 PMCID: PMC9275023 DOI: 10.1186/s13033-022-00542-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 06/10/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND In recent years, there has been increased recognition of the need to integrate mental health services into routine tuberculosis (TB) care. For successful integration, policymakers need to first understand the practices of TB health workers in the management of mental health conditions, including depression, anxiety, and psychological distress, and use this to decide how best mental health services could be delivered in tandem with TB services. In this qualitative study we aimed to understand how TB health workers and other stakeholders viewed mental health conditions linked to TB and how they screened and treated these in their patients. METHODS The study draws on qualitative data collected in 2018 as part of the Tuberculosis Reduction through Expanded Antiretroviral Treatment and Screening for active TB trial (TREATS), conducted in eight urban communities in Zambia. Data were collected through 17 focus group discussions with local health committee members (n = 96) and TB stakeholders (n = 57) present in the communities. Further in-depth interviews were held with key TB health workers (n = 9). Thematic analysis was conducted. RESULTS TB stakeholders and health workers had an inadequate understanding of mental health and commonly described mental health conditions among TB patients by using stigmatizing terminology and overtones, for example "madness", which often implied a characterological flaw rather an actual illness. Psychological distress was also described as "overthinking", which participants attributed to psychosocial stressors, and was not perceived as a condition that would benefit from mental health intervention. There were no standard screening and treatment options for mental health conditions in TB patients and most TB health workers had no mental health training. TB Stakeholders and health workers understood the negative implications of mental health conditions on TB treatment adherence and overall wellbeing for TB patients. CONCLUSIONS TB stakeholders and health workers in Zambia have a complex conceptualisation of mental health and illness, that does not support the mental health needs of TB patients. The integration of mental health training in TB services could be beneficial and shift negative attitudes about mental health. Further, TB patients should be screened for mental health conditions and offered treatment. Trial registration number NCT03739736-Registered on the 14th of November 2018- Retrospectively registered- https://clinicaltrials.gov/ct2/results?cond=&term=NCT03739736&cntry=&state=&city=&dist.
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Affiliation(s)
- T. Mainga
- grid.12984.360000 0000 8914 5257Zambart, School of Public Health, University of Zambia, Ridgeway, Zambia ,grid.8991.90000 0004 0425 469XDepartment of Global Health and Development, Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK
| | - M. Gondwe
- grid.12984.360000 0000 8914 5257Zambart, School of Public Health, University of Zambia, Ridgeway, Zambia
| | - R. C. Stewart
- grid.4305.20000 0004 1936 7988Division of Psychiatry, Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK ,grid.512477.2Malawi Epidemiology and Intervention Research Unit (MEIRU), Lilongwe, Malawi
| | - I. Mactaggart
- grid.8991.90000 0004 0425 469XDepartment of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
| | - K. Shanaube
- grid.12984.360000 0000 8914 5257Zambart, School of Public Health, University of Zambia, Ridgeway, Zambia
| | - H. Ayles
- grid.12984.360000 0000 8914 5257Zambart, School of Public Health, University of Zambia, Ridgeway, Zambia ,grid.8991.90000 0004 0425 469XDepartment of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
| | - V. Bond
- grid.12984.360000 0000 8914 5257Zambart, School of Public Health, University of Zambia, Ridgeway, Zambia ,grid.8991.90000 0004 0425 469XDepartment of Global Health and Development, Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK
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12
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MDR Tuberculosis Treatment. Medicina (B Aires) 2022; 58:medicina58020188. [PMID: 35208510 PMCID: PMC8878254 DOI: 10.3390/medicina58020188] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/13/2022] [Accepted: 01/15/2022] [Indexed: 11/17/2022] Open
Abstract
Multidrug-resistant (MDR) tuberculosis (TB), resistant to isoniazid and rifampicin, continues to be one of the most important threats to controlling the TB epidemic. Over the last few years, there have been promising pharmacological advances in the paradigm of MDR TB treatment: new and repurposed drugs have shown excellent bactericidal and sterilizing activity against Mycobacterium tuberculosis and several all-oral short regimens to treat MDR TB have shown promising results. The purpose of this comprehensive review is to summarize the most important drugs currently used to treat MDR TB, the recommended regimens to treat MDR TB, and we also summarize new insights into the treatment of patients with MDR TB.
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13
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Tornheim JA, Udwadia ZF, Arora PR, Gajjar I, Gupte N, Sharma S, Karane M, Sawant N, Kharat N, Blum AJ, Shivakumar SVBY, Mullerpattan JB, Pinto LM, Ashavaid TF, Gupta A, Rodrigues C. Cycloserine did not increase depression incidence or severity at standard dosing for MDR-TB. Eur Respir J 2021; 59:13993003.02511-2021. [PMID: 34949698 PMCID: PMC8943271 DOI: 10.1183/13993003.02511-2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 12/03/2021] [Indexed: 11/13/2022]
Abstract
In 2018 cycloserine was elevated to World Health Organization (WHO) group B status for multidrug-resistant tuberculosis (MDR-TB), and is recommended in longer MDR-TB treatment regimens [1]. Inclusion of cycloserine is associated with improved MDR-TB treatment success and reduced mortality, but is limited by treatment-associated depression, psychosis and neuropathy, forcing 9% of patients to stop therapy [1–3]. Cycloserine also demonstrates wide interindividual pharmacokinetic variation, with significant food and drug interactions, leaving nearly half of patients with inappropriate drug levels [4, 5]. Optimal dosing is unknown [6], but modelling studies suggest doses from 250 mg to 750 mg twice daily, with 500 mg twice daily for paucibacillary disease and 750 mg twice daily for cavitary pulmonary disease [7]. Therefore, clinicians must balance the known benefits of cycloserine with the dearth of susceptibility- and drug-monitoring capacity and the spectre of treatment-limiting side-effects. To evaluate the impact of cycloserine prescription and dose on incident depression during MDR-TB treatment, we analysed longitudinal cohort data from India. In a longitudinal cohort of MDR-TB patients receiving individualised, DST-based treatment, neither the inclusion of cycloserine in a multidrug regimen nor the dose used (up to 750 mg daily) significantly increased incidence of depression during treatmenthttps://bit.ly/3GtQmOH
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Affiliation(s)
- Jeffrey A Tornheim
- Center for Clinical Global Health Education, Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Zarir F Udwadia
- Department of Respiratory Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Prerna R Arora
- Department of Lab Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Ishita Gajjar
- Department of Lab Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Nikhil Gupte
- Center for Clinical Global Health Education, Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Johns Hopkins University - India office (CCGHE), Pune, Maharashtra, India
| | - Samridhi Sharma
- Department of Lab Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Megha Karane
- Department of Lab Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Namrata Sawant
- Department of Lab Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Nisha Kharat
- Department of Lab Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | | | | | - Jai B Mullerpattan
- Department of Respiratory Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Lancelot M Pinto
- Department of Respiratory Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Tester F Ashavaid
- Department of Lab Medicine, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
| | - Amita Gupta
- Center for Clinical Global Health Education, Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of International Health, Johns Hopkins Bloomberg School of Public Heath, Baltimore, MD, USA
| | - Camilla Rodrigues
- Department of Microbiology, P.D. Hinduja National Hospital and MRC, Mumbai, Maharashtra, India
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14
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Zana A, Galbiati A. Synthesis and Reactivity of 3‐Halo‐4,5‐dihydroisoxazoles: An Overview. ChemistrySelect 2021. [DOI: 10.1002/slct.202101779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Aureliano Zana
- Department of Pharmaceutical Sciences Università degli Studi di Milano Via Mangiagalli 25 20133 Milano Italy
- Philochem AG Libernstrasse 3 8112 Otelfingen (ZH) Switzerland
| | - Andrea Galbiati
- Department of Pharmaceutical Sciences Università degli Studi di Milano Via Mangiagalli 25 20133 Milano Italy
- Philochem AG Libernstrasse 3 8112 Otelfingen (ZH) Switzerland
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15
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Chen X, Wu R, Xu J, Wang J, Gao M, Chen Y, Pan Y, Ji H, Duan Y, Sun M, Du L, Zhou L. Prevalence and associated factors of psychological distress in tuberculosis patients in Northeast China: a cross-sectional study. BMC Infect Dis 2021; 21:563. [PMID: 34118910 PMCID: PMC8196916 DOI: 10.1186/s12879-021-06284-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 06/03/2021] [Indexed: 02/03/2023] Open
Abstract
Background Psychological distress, a major comorbidities of tuberculosis (TB) patients, has posed a serious threat to the progress being made in global TB programs by affecting treatment adherence and health outcomes. However, the magnitude and associated factors of psychological distress have not been fully studied in China. The aim of the current study was to assess the prevalence of psychological distress in TB patients and to further determine the effects of socio-demographic characteristics, health-related variables, substance use status, social support, and experienced stigma on psychological distress. Methods A cross-sectional survey was conducted among TB patients attending three medical institutions in Dalian, Liaoning Province, Northeast China from November 2020 to March 2021. A structured questionnaire was developed to collect data on patients’ socio-demographic characteristics, health-related information, substance use status, psychological distress, family function, doctor-patient relationship, policy support, experienced stigma and so on. The binary logistics regression model was used to determine the associated factors of psychological distress. Results A total of 473 TB patients were enrolled in this study, and the prevalence of psychological distress was 64.1%. Binary logistic regression analysis revealed that patients with a middle school education level or above (OR: 0.521, 95%CI: 0.279–0.974), no adverse drug reactions (OR: 0.476, 95%CI: 0.268–0.846), and regular physical exercise (OR: 0.528, 95%CI: 0.281–0.993) were more likely to stay away from psychological distress. However, patients who had a high economic burden (OR: 1.697, 95%CI: 1.014–2.840), diabetes (OR: 2.165, 95%CI: 1.025–4.573), self-rated illness severe (OR: 3.169, 95%CI: 1.081–9.285), perceived poor resistance (OR: 2.065, 95%CI: 1.118–3.815), severe family dysfunction (OR: 4.001, 95%CI: 1.158–13.823), perceived need for strengthen psychological counseling (OR: 4.837, 95%CI: 2.833–8.258), and a high experienced stigma (OR: 3.253, 95%CI: 1.966–5.384) tended to have a psychological distress. Conclusions The study found that the proportion of psychological distress among TB patients was high in Northeast China, and it was influenced by a variety of factors. Effective interventions to reduce psychological distress in TB patients urgently need to be developed, and greater attention should be given to patients with risk factors. Supplementary Information The online version contains supplementary material available at 10.1186/s12879-021-06284-4.
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Affiliation(s)
- Xu Chen
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Ruiheng Wu
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Jia Xu
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Jiawei Wang
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Mingcheng Gao
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Yunting Chen
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Yuanping Pan
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Haoqiang Ji
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Yuxin Duan
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Meng Sun
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Liang Du
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China
| | - Ling Zhou
- School of Public Health, Dalian Medical University, 9 Western Section, Lvshun South Street, Lvshunkou District, Dalian, 116044, Liaoning, China.
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16
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Arega AM, Mahapatra RK. Glycoconjugates, hypothetical proteins, and post-translational modification: Importance in host-pathogen interaction and antitubercular intervention development. Chem Biol Drug Des 2021; 98:30-48. [PMID: 33838076 DOI: 10.1111/cbdd.13845] [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: 11/20/2020] [Revised: 02/18/2021] [Accepted: 03/08/2021] [Indexed: 11/30/2022]
Abstract
With the emergence of multidrug-resistant bacteria, insufficiency of the established chemotherapy, and the existing vaccine BCG, tuberculosis (TB) subsists as the chief cause of death in different parts of the world. Thus, identification of novel target proteins is urgently required to develop more effective TB interventions. However, the novel vaccine and drug target knowledge based on the essentiality of the pathogen cell envelope components such as glycoconjugates, glycans, and the peptidoglycan layer of the lipid-rich capsule are limited. Furthermore, most of the genes encoding proteins are characterized as hypothetical and functionally unknown. Correspondingly, some researchers have shown that the lipid and sugar components of the envelope glycoconjugates are largely in charge of TB pathogenesis and encounter many drugs and vaccines. Therefore, in this review we provide an insight into a comprehensive study concerning the importance of cell envelope glycoconjugates and hypothetical proteins, the impact of post-translational modification, and the bioinformatics-based implications for better antitubercular intervention development.
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Affiliation(s)
- Aregitu Mekuriaw Arega
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar, India.,National Veterinary Institute, Debre Zeit, Ethiopia
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17
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Court R, Centner CM, Chirehwa M, Wiesner L, Denti P, de Vries N, Harding J, Gumbo T, Maartens G, McIlleron H. Neuropsychiatric toxicity and cycloserine concentrations during treatment for multidrug-resistant tuberculosis. Int J Infect Dis 2021; 105:688-694. [PMID: 33684562 PMCID: PMC8126338 DOI: 10.1016/j.ijid.2021.03.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/19/2021] [Accepted: 03/02/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Cycloserine, or its structural analogue terizidone, has been associated with neuropsychiatric toxicity (psychosis, depression, and neuropathy). Prospective clinical data on the incidence of and risk factors for neuropsychiatric toxicity in TB patients treated with cycloserine are limited. METHODS A prospective evaluation of neuropsychiatric toxicity was performed using validated screening tools in patients with multidrug-resistant tuberculosis treated with terizidone. Cox proportional hazard modelling was performed to explore the effects of clinical variables and measures of cycloserine pharmacokinetics in plasma. RESULTS A total 144 participants were recruited: 86 were male and 58 were female; their median age was 35.7 years and 91 (63%) were HIV-infected. Fifty-five (38%) participants developed at least one neuropsychiatric event (30 cases per 100 person-months): 50 (35%) neuropathy, 14 (10%) depression, and 11 (8%) psychosis. Neuropathy was independently associated with cycloserine clearance ((adjusted hazard ratio 0.34 (aHR), P = 0.03)) and high-dose pyridoxine (200 mg vs 150 mg daily, aHR: 2.79, P = 0.01). CONCLUSIONS A high incidence of early neuropsychiatric toxicity was observed in this cohort of patients treated with terizidone. Cycloserine clearance and higher doses of pyridoxine are associated with incident or worsening peripheral neuropathy.
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Affiliation(s)
- Richard Court
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa.
| | - Chad M Centner
- Division of Medical Microbiology, University of Cape Town, Cape Town, South Africa.
| | - Maxwell Chirehwa
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa.
| | - Lubbe Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa.
| | - Paolo Denti
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa.
| | | | | | - Tawanda Gumbo
- Quantitative Preclinical and Clinical Sciences Department, Praedicare, Dallas, TX, USA.
| | - Gary Maartens
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa; Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa.
| | - Helen McIlleron
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa; Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa.
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18
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Aye SZ, Ni H, Sein HH, Mon ST, Zheng Q, Wong YKY. The effectiveness and adverse effects of D-cycloserine compared with placebo on social and communication skills in individuals with autism spectrum disorder. Cochrane Database Syst Rev 2021; 2:CD013457. [PMID: 33583058 PMCID: PMC8094878 DOI: 10.1002/14651858.cd013457.pub2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Symptoms of autism spectrum disorder (ASD) have been associated, in part, with the dysfunction of N-methyl-D-aspartate (NMDA) glutamate receptors at excitatory synapses and glutamate abnormalities. Medications related to glutamatergic neurotransmission, such as D-cycloserine - which is a partial agonist of the NMDA glutamate receptor - are potential treatment options for the core features of ASD. However, the potential effect of D-cycloserine on the social and communication skills deficits of individuals with ASD has not been thoroughly explored and no systematic reviews of the evidence have been conducted. OBJECTIVES To assess the efficacy and adverse effects of D-cycloserine compared with placebo for social and communication skills in individuals with ASD. SEARCH METHODS In November 2020, we searched CENTRAL, MEDLINE, Embase, six other databases and two trials registers. We also searched the reference lists of relevant publications and contacted the authors of the included study, Minshawi 2016, to identify any additional studies. In addition, we contacted pharmaceutical companies, searched manufacturers' websites and sources of reports of adverse events. SELECTION CRITERIA: All randomised controlled trials (RCTs) of any duration and dose of D-cycloserine, with or without adjunct treatment, compared to placebo in individuals with ASD. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies for inclusion, extracted relevant data, assessed the risk of bias, graded the certainty of the evidence using the GRADE approach, and analysed and evaluated the data. We provide a narrative report of the findings as only one study is included in this review. MAIN RESULTS We included a single RCT (Minshawi 2016) funded by the United States Department of Defense. It was conducted at two sites in the USA: Indiana University School of Medicine and Cincinnati Children's Hospital Medical Centre. In the included study, 67 children with ASD aged between 5 and 11 years were randomised to receive either 10 weeks (10 doses) of (50 mg) D-cycloserine plus social skills training, or placebo plus social skills training. Randomisation was carried out 1:1 between D-cycloserine and placebo arms, and outcome measures were recorded at one-week post-treatment. The 'risk of bias' assessment for the included study was low for five domains and unclear for two domains. The study (67 participants) reported low certainty evidence of little to no difference between the two groups for all outcomes measured at one week post-treatment: social interaction impairment (mean difference (MD) 3.61 (assessed with the Social Responsiveness Scale), 95% confidence interval (CI) -5.60 to 12.82); social communication impairment (MD -1.08 (measured using the inappropriate speech subscale of the Aberrant Behavior Checklist (ABC)), 95% CI -2.34 to 0.18); restricted, repetitive, stereotyped patterns of behaviour (MD 0.12 (measured by the ABC stereotypy subscale), 95% CI -1.71 to 1.95); serious adverse events (risk ratio (RR) 1.11, 95% CI 0.94 to 1.31); non-core symptoms of ASD (RR 0.97 (measured by the Clinical Global Impression-Improvement scale), 95% CI 0.49 to 1.93); and tolerability of D-cycloserine (RR 0.32 (assessed by the number of dropouts), 95% CI 0.01 to 7.68). AUTHORS' CONCLUSIONS: We are unable to conclude with certainty whether D-cycloserine is effective for individuals with ASD. This review included low certainty data from only one study with methodological issues and imprecision. The added value of this review compared to the included study is we assessed the risk of bias and evaluated the certainty of evidence using the GRADE approach. Moreover, if we find new trials in future updates of this review, we could potentially pool the data, which may either strengthen or decrease the evidence for our findings.
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Affiliation(s)
- Swe Zin Aye
- Department of Paediatrics and Child Health, Quest International University Perak, Ipoh, Malaysia
| | - Han Ni
- Department of Medicine, Newcastle University Medicine Malaysia, Johor, Malaysia
| | - Htwe H Sein
- Department of Paediatrics and Child Health, Quest International University Perak, Ipoh, Malaysia
| | - San T Mon
- Department of Paediatrics, Newcastle University Medicine Malaysia, Johor, Malaysia
| | - Qishi Zheng
- Department of Epidemiology, Singapore Clinical Research Institute, Singapore, Singapore
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Treatment Outcomes and Adverse Drug Effects of Ethambutol, Cycloserine, and Terizidone for the Treatment of Multidrug-Resistant Tuberculosis in South Africa. Antimicrob Agents Chemother 2020; 65:AAC.00744-20. [PMID: 33046491 DOI: 10.1128/aac.00744-20] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 09/30/2020] [Indexed: 11/20/2022] Open
Abstract
Treatment outcomes among multidrug-resistant tuberculosis (MDR-TB) patients receiving ethambutol, cycloserine, or terizidone as part of a standardized regimen were compared, determining occurrence of serious adverse drug events (SADEs). Newly diagnosed adult MDR-TB patients were enrolled between 2000 and 2004, receiving a standardized multidrug regimen for 18 to 24 months, including ethambutol, cycloserine, or terizidone. Cycloserine and terizidone were recorded individually. SADEs and factors associated with culture conversion and unfavorable treatment outcomes (default, death, treatment failure) were determined. Of 858 patients, 435 (51%) received ethambutol, 278 (32%) received cycloserine, and 145 (17%) received terizidone. Demographic and baseline clinical data were comparable. Successful treatment occurred in 56%, significantly more in patients receiving cycloserine (60%) and terizidone (62%) than in those receiving ethambutol (52% [P = 0.03]). Defaults rates were 30% in ethambutol patients versus 15% and 11% for cycloserine and terizidone patients, respectively. Terizidone was associated with fewer unfavorable outcomes (adjusted odds ratio [AOR], 0.4; P = 0.008; 95% confidence interval [CI], 0.2 to 0.8). Patients receiving cycloserine were more likely to achieve culture conversion than those receiving ethambutol or terizidone (AOR, 2.2; P = 0.02; 95% CI, 1.12 to 4.38). Failure to convert increased the odds of unfavorable outcomes (AOR, 23.7; P < 0.001; 95% CI, 13 to 44). SADEs were reported in two patients receiving ethambutol, seven patients receiving cycloserine, and three receiving terizidone (P = 0.05). Ethambutol was associated with high culture conversion and default rates. Cycloserine achieved higher culture conversion rates than terizidone. Fewer patients on terizidone experienced SADEs, with lower default rates. The differences that we observed between cycloserine and terizidone require further elucidation.
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Märtson AG, Burch G, Ghimire S, Alffenaar JWC, Peloquin CA. Therapeutic drug monitoring in patients with tuberculosis and concurrent medical problems. Expert Opin Drug Metab Toxicol 2020; 17:23-39. [PMID: 33040625 DOI: 10.1080/17425255.2021.1836158] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Therapeutic drug monitoring (TDM) has been recommended for treatment optimization in tuberculosis (TB) but is only is used in certain countries e.g. USA, Germany, the Netherlands, Sweden and Tanzania. Recently, new drugs have emerged and PK studies in TB are continuing, which contributes further evidence for TDM in TB. The aim of this review is to provide an update on drugs used in TB, treatment strategies for these drugs, and TDM to support broader implementation. AREAS COVERED This review describes the different drug classes used for TB, multidrug-resistant TB (MDR-TB) and extensively drug-resistant TB (XDR-TB), along with their pharmacokinetics, dosing strategies, TDM and sampling strategies. Moreover, the review discusses TDM for patient TB and renal or liver impairment, patients co-infected with HIV or hepatitis, and special patient populations - children and pregnant women. EXPERT OPINION TB treatment has a long history of using 'one size fits all.' This has contributed to treatment failures, treatment relapses, and the selection of drug-resistant isolates. While challenging in resource-limited circumstances, TDM offers the clinician the opportunity to individualize and optimize treatment early in treatment. This approach may help to refine treatment and thereby reduce adverse effects and poor treatment outcomes. Funding, training, and randomized controlled trials are needed to advance the use of TDM for patients with TB.
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Affiliation(s)
- Anne-Grete Märtson
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen , Groningen, The Netherlands
| | - Gena Burch
- Infectious Disease Pharmacokinetics Laboratory, College of Pharmacy and Emerging Pathogens Institute, University of Florida , Gainesville, FL, USA
| | - Samiksha Ghimire
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen , Groningen, The Netherlands
| | - Jan-Willem C Alffenaar
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen , Groningen, The Netherlands.,Department of Pharmacy, Westmead Hospital , Sydney, Australia.,Sydney Pharmacy School, The University of Sydney , Sydney, New South Wales, Australia.,Marie Bashir Institute of Infectious Diseases and Biosecurity, University of Sydney , Sydney, Australia
| | - Charles A Peloquin
- Infectious Disease Pharmacokinetics Laboratory, College of Pharmacy and Emerging Pathogens Institute, University of Florida , Gainesville, FL, USA
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The prevalence and risks of major comorbidities among inpatients with pulmonary tuberculosis in China from a gender and age perspective: a large-scale multicenter observational study. Eur J Clin Microbiol Infect Dis 2020; 40:787-800. [PMID: 33094354 DOI: 10.1007/s10096-020-04077-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 10/16/2020] [Indexed: 01/21/2023]
Abstract
In clinical practice, PTB patients have concurrent many types of comorbidities such as pneumonia, liver disorder, diabetes mellitus, hematological disorder, and malnutrition. Detecting and treating specific comorbidities and preventing their development are important for PTB patients. However, the prevalence of most comorbid conditions in patients with PTB is not well described. We conducted a large-scale, multicenter, observational study to elucidate and illustrate the prevalence rates of major comorbidities in inpatients at 21 hospitals in China. The 19 specific comorbidities were selected for analysis in this patient cohort, and stratified the inpatient cohort according to age and gender. A total of 355,929 PTB inpatients were included, with a male:female ratio of 1.98 and the proportion of ≥ 65 years PTB inpatients was the most. Approximately 70% of PTB inpatients had at least one defined type of comorbidity. The prevalence of 19 specific comorbidities in inpatients with PTB was analyzed, with pneumonia being the most common comorbidity. The prevalence of most comorbidities was higher in males with PTB except thyroid disorders, mental health disorders, etc. The prevalence of defined most comorbidities in patients with PTB tended to increase with increasing age, although some specific comorbidities tended to increase initially then decrease with increasing age. Our study describes multiple clinically important comorbidities among PTB inpatients, and their prevalence between different gender and age groups. The results will enhance the clinical aptitude of physicians who treat patients with PTB to recognize, diagnose, and treat PTB comorbidities early.
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Gupta A, Kumar V, Natarajan S, Singla R. Adverse drug reactions & drug interactions in MDR-TB patients. Indian J Tuberc 2020; 67:S69-S78. [PMID: 33308674 DOI: 10.1016/j.ijtb.2020.09.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 09/24/2020] [Indexed: 11/17/2022]
Abstract
Multiple drugs taken for long duration in tuberculosis (TB) treatment, especially drug resistant TB (DR-TB), may produce adverse drug reactions (ADRs). Although any anti-TB drug can cause ADRs, but these are more common with drugs used for treatment of DR-TB. However, most of ADRs with these drugs are mild or moderate and can be managed if adequate supervision and monitoring is done. However, few ADRs can be severe or potentially life-threatening and may require removal of the offending drug(s). TB patients having comorbidities and on treatment for them may experience drug interaction with anti TB drugs and may require dose modification or change of drug. For a good TB treatment outcome patient's compliance should be ensured, and adverse events and drug interactions should be appropriately addressed by the clinicians. This article outlines the majority of the possible ADRs to anti-TB drugs used for management of DR-TB and their common drug interactions with practical recommendations to identify the possible drug(s) responsible and the most adequate management in each situation.
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Affiliation(s)
- Amitesh Gupta
- Department of Tuberculosis and Chest Diseases, National Institute of Tuberculosis and Respiratory Diseases, New Delhi, 110030, India
| | - Vikas Kumar
- Department of Tuberculosis and Chest Diseases, National Institute of Tuberculosis and Respiratory Diseases, New Delhi, 110030, India
| | - Sekar Natarajan
- Department of Tuberculosis and Chest Diseases, National Institute of Tuberculosis and Respiratory Diseases, New Delhi, 110030, India
| | - Rupak Singla
- Department of Tuberculosis and Chest Diseases, National Institute of Tuberculosis and Respiratory Diseases, New Delhi, 110030, India.
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Agarwal N, Sarthi P. The necessity of psychological interventions to improve compliance with Tuberculosis treatment and reduce psychological distress. J Family Med Prim Care 2020; 9:4174-4180. [PMID: 33110828 PMCID: PMC7586581 DOI: 10.4103/jfmpc.jfmpc_1404_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 07/26/2020] [Accepted: 07/30/2020] [Indexed: 12/24/2022] Open
Abstract
Context: One of the major obstacles in treating TB is the patient's nonadherence to the treatment regimen resulting in prolonged disease transmission and development of resistance to anti-TB drugs. An individual's mental health affects his/her adaptation to the disease. Mental health issues and TB both are inextricably connected and research into this area will provide an opportunity to develop a more holistic model of TB treatment and prevention. Aims: The aim of this study is to investigate the prevalence of mental health issues in patients with TB and its influence on individual perception of well-being with an emphasis on psychopathology as a major obstacle to treatment adherence. Research into this area will provide an opportunity to develop a more holistic model of TB treatment and prevention. Settings and Design: Primary data were collected with the help of ASHA workers, and primary survey-based study was designed. Methods and Material: A total of 249 diagnosed Tuberculosis cases were included in the study. A digitalized version of the PGIHQN-1 questionnaire was made and used to separate the psychiatric population from the normal group. Asha workers were trained to use the digital version on tablets. Statistical Analysis Used: Using Microsoft Excel, Graphic Tables, and corelation were done using SPSS Statistics. Results: Mental health issues were found in diagnosed TB cases, which required further evaluations. Along with mental health issues, limited resources, gender, limited education, lack of proper knowledge about the disease, having responsibilities (Marital status), locality were found to be the important factors that complicate TB outcomes, hence should be taken into consideration while imparting psychological interventions. Conclusion: Mental health issues complicate TB outcome and hence need to be properly addressed, and thorough psychoeducation, psychological first aid (listen, protect, connect, model& teach), and timely intervention in the form of proper diagnosis and specific treatment and rehabilitation are needed.
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Affiliation(s)
- Neeraj Agarwal
- Department of Psychology, Tulasi Psychatric and Rehabilitation Centre, Chatarpur, New Delhi, India
| | - Parth Sarthi
- Sanskriti School, Tulasi Psychatric and Rehabilitation Centre, Chatarpur, New Delhi, India
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Huque R, Elsey H, Fieroze F, Hicks JP, Huque S, Bhawmik P, Walker I, Newell J. "Death is a better option than being treated like this": a prevalence survey and qualitative study of depression among multi-drug resistant tuberculosis in-patients. BMC Public Health 2020; 20:848. [PMID: 32493337 PMCID: PMC7268321 DOI: 10.1186/s12889-020-08986-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 05/24/2020] [Indexed: 12/03/2022] Open
Abstract
Background Understanding of the relationship between multi-drug resistant tuberculosis and mental health is limited. With growing prevalence of multi-drug resistant tuberculosis, addressing mental ill-health has potential to improve treatment outcomes and well-being. In several low and middle-income contexts hospitalisation during treatment is common. Understanding of the impact on mental ill-health are required to inform interventions for patients with multi-drug resistant tuberculosis. Our aim was to identify the prevalence of comorbid depression among in-patients being treated for multi-drug resistant tuberculosis and to explore their experiences of comorbid disease and the care they received in a large specialist chest hospital in Dhaka, Bangladesh. Methods We conducted a quantitative cross-sectional survey among 150 multi-drug resistant tuberculosis in-patients (new cases = 34%, previously treated = 66%) in 2018. A psychiatrist assessed depression was assessed with the Structured Clinical Interview for Depression (SCID DSM-IV). We used multi-level modelling to identify associations with depression. Experience Bangladeshi researchers conducted qualitative interviews with 8 patients, 4 carers, 4 health professionals and reflective notes recorded. Qualitative data was analysed thematically. Results We found 33.8% (95% CI 26.7%; 41.7%) of patients were depressed. While more women were depressed 39.3% (95% CI 27.6%; 52.4%) than men 30.4% (95% CI 22%; 40.5%) this was not significant. After controlling for key variables only having one or more co-morbidity (adjusted odds ratio [AOR] = 2.88 [95% CI 1.13; 7.33]) and being a new rather than previously treated case (AOR = 2.33 [95% CI 1.06; 5.14]) were associated (positively) with depression. Qualitative data highlighted the isolation and despair felt by patients who described a service predominantly focused on providing medicines. Individual, familial, societal and health-care factors influenced resilience, nuanced by gender, socio-economic status and home location. Conclusions Patients with multi-drug resistant tuberculosis are at high risk of depression, particularly those with co- and multi-morbidities. Screening for depression and psycho-social support should be integrated within routine TB services and provided throughout treatment.
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Affiliation(s)
- R Huque
- The ARK Foundation, Suite C-3 & C-4, House 06, Road 109, Gulshan-2, Dhaka-1212, Dhaka, Bangladesh
| | - H Elsey
- Department of Health Sciences, University of York, Seebohm Rowntree Building, York, YO10 5DD, UK.
| | - F Fieroze
- The ARK Foundation, Suite C-3 & C-4, House 06, Road 109, Gulshan-2, Dhaka-1212, Dhaka, Bangladesh
| | - J P Hicks
- Leeds Institute of Health Sciences, University of Leeds, 10.31 Worsley, Leeds, LS2 9JT, UK
| | - S Huque
- The ARK Foundation, Suite C-3 & C-4, House 06, Road 109, Gulshan-2, Dhaka-1212, Dhaka, Bangladesh
| | - P Bhawmik
- The ARK Foundation, Suite C-3 & C-4, House 06, Road 109, Gulshan-2, Dhaka-1212, Dhaka, Bangladesh
| | - I Walker
- Leeds Institute of Health Sciences, University of Leeds, 10.31 Worsley, Leeds, LS2 9JT, UK
| | - J Newell
- Leeds Institute of Health Sciences, University of Leeds, 10.31 Worsley, Leeds, LS2 9JT, UK
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Lan Z, Ahmad N, Baghaei P, Barkane L, Benedetti A, Brode SK, Brust JCM, Campbell JR, Chang VWL, Falzon D, Guglielmetti L, Isaakidis P, Kempker RR, Kipiani M, Kuksa L, Lange C, Laniado-Laborín R, Nahid P, Rodrigues D, Singla R, Udwadia ZF, Menzies D. Drug-associated adverse events in the treatment of multidrug-resistant tuberculosis: an individual patient data meta-analysis. THE LANCET. RESPIRATORY MEDICINE 2020; 8:383-394. [PMID: 32192585 PMCID: PMC7384398 DOI: 10.1016/s2213-2600(20)30047-3] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 11/08/2019] [Accepted: 11/11/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Treatment of multidrug-resistant tuberculosis requires long-term therapy with a combination of multiple second-line drugs. These drugs are associated with numerous adverse events that can cause severe morbidity, such as deafness, and in some instances can lead to death. Our aim was to estimate the absolute and relative frequency of adverse events associated with different tuberculosis drugs to provide useful information for clinicians and tuberculosis programmes in selecting optimal treatment regimens. METHODS We did a meta-analysis using individual-level patient data that were obtained from studies that reported adverse events that resulted in permanent discontinuation of anti-tuberculosis medications. We used a database created for our previous meta-analysis of multidrug-resistant tuberculosis treatment and outcomes, for which we did a systematic review of literature published between Jan 1, 2009, and Aug 31, 2015 (updated April 15, 2016), and requested individual patient-level information from authors. We also considered for this analysis studies contributing patient-level data in response to a public call made by WHO in 2018. Meta-analysis for proportions and arm-based network meta-analysis were done to estimate the incidence of adverse events for each tuberculosis drug. FINDINGS 58 studies were identified, including 50 studies from the updated individual patient data meta-analysis for multidrug-resistant tuberculosis treatment. 35 of these studies, with 9178 patients, were included in our analysis. Using meta-analysis of proportions, drugs with low risks of adverse event occurrence leading to permanent discontinuation included levofloxacin (1·3% [95% CI 0·3-5·0]), moxifloxacin (2·9% [1·6-5·0]), bedaquiline (1·7% [0·7-4·2]), and clofazimine (1·6% [0·5-5·3]). Relatively high incidence of adverse events leading to permanent discontinuation was seen with three second-line injectable drugs (amikacin: 10·2% [6·3-16·0]; kanamycin: 7·5% [4·6-11·9]; capreomycin: 8·2% [6·3-10·7]), aminosalicylic acid (11·6% [7·1-18·3]), and linezolid (14·1% [9·9-19·6]). Risk of bias in selection of studies was judged to be low because there were no important differences between included and excluded studies. Variability between studies was significant for most outcomes analysed. INTERPRETATION Fluoroquinolones, clofazimine, and bedaquiline had the lowest incidence of adverse events leading to permanent drug discontinuation, whereas second-line injectable drugs, aminosalicylic acid, and linezolid had the highest incidence. These results suggest that close monitoring of adverse events is important for patients being treated for multidrug-resistant tuberculosis. Our results also underscore the urgent need for safer and better-tolerated drugs to reduce morbidity from treatment itself for patients with multidrug-resistant tuberculosis. FUNDING Canadian Institutes of Health Research, Centers for Disease Control and Prevention (USA), American Thoracic Society, European Respiratory Society, and Infectious Diseases Society of America.
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Affiliation(s)
- Zhiyi Lan
- Montreal Chest Institute, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
| | - Nafees Ahmad
- Faculty of Pharmacy and Health Sciences, University of Baluchistan, Quetta, Pakistan
| | - Parvaneh Baghaei
- Clinical Tuberculosis and Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Linda Barkane
- Riga East University Hospital for TB and Lung Disease Centre, Riga, Latvia
| | - Andrea Benedetti
- Montreal Chest Institute, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
| | - Sarah K Brode
- Department of Medicine, Division of Respirology, University of Toronto, Toronto, ON, Canada; West Park Healthcare Centre, University Health Network, and Sinai Health System, Toronto, ON, Canada
| | - James C M Brust
- Divisions of General Internal Medicine and Infectious Diseases, Montefiore Medical Center, Albert Einstein College of Medicine, New York, NY, USA
| | - Jonathon R Campbell
- Montreal Chest Institute, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
| | - Vicky Wai Lai Chang
- Department of Respiratory and Sleep Medicine, The Sutherland Hospital, Sydney, NSW, Australia; The University of Sydney, Sydney, NSW, Australia
| | - Dennis Falzon
- Global TB Programme, World Health Organization, Geneva, Switzerland
| | - Lorenzo Guglielmetti
- Assistance Publique Hôpitaux de Paris, Laboratoire de Bactériologie-Hygiène, Centre National de Référence des Mycobactéries et de la Résistance des Mycobactéries aux Antituberculeux, Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Paris, France; Sorbonne Universités, Centre d'Immunologie et des Maladies Infectieuses (CIMI; INSERM U1135/UMRS CR7/CNRS ERL 8255), Team E13 (Bactériologie), Faculté de Médecine Pierre et Marie Curie, (UPMC; Université Paris 6), Paris, France; Sanatorium, Centre Hospitalier de Bligny, Briis-sous-Forges, France
| | | | - Russell R Kempker
- Emory University School of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
| | - Maia Kipiani
- National Center for Tuberculosis and Lung Disease, Tbilisi, Georgia
| | - Liga Kuksa
- Riga East University Hospital for TB and Lung Disease Centre, Riga, Latvia
| | - Christoph Lange
- Divisions of Clinical Infectious Diseases, Research Center Borstel, Borstel, Germany; German Center for Infection Research, Clinical Tuberculosis Unit, Borstel, Germany; International Health/Infectious Diseases, University of Lubeck, Lubeck, Germany; Department of Medicine, Karolinska Institute, Stockholm, Sweden
| | | | - Payam Nahid
- Division of Pulmonary and Critical Care Medicine, University of California, San Francisco, CA, USA
| | | | - Rupak Singla
- National Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi, India
| | | | - Dick Menzies
- Montreal Chest Institute, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada.
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Nahid P, Mase SR, Migliori GB, Sotgiu G, Bothamley GH, Brozek JL, Cattamanchi A, Cegielski JP, Chen L, Daley CL, Dalton TL, Duarte R, Fregonese F, Horsburgh CR, Ahmad Khan F, Kheir F, Lan Z, Lardizabal A, Lauzardo M, Mangan JM, Marks SM, McKenna L, Menzies D, Mitnick CD, Nilsen DM, Parvez F, Peloquin CA, Raftery A, Schaaf HS, Shah NS, Starke JR, Wilson JW, Wortham JM, Chorba T, Seaworth B. Treatment of Drug-Resistant Tuberculosis. An Official ATS/CDC/ERS/IDSA Clinical Practice Guideline. Am J Respir Crit Care Med 2020; 200:e93-e142. [PMID: 31729908 PMCID: PMC6857485 DOI: 10.1164/rccm.201909-1874st] [Citation(s) in RCA: 230] [Impact Index Per Article: 57.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Background: The American Thoracic Society, U.S. Centers for Disease Control and Prevention, European Respiratory Society, and Infectious Diseases Society of America jointly sponsored this new practice guideline on the treatment of drug-resistant tuberculosis (DR-TB). The document includes recommendations on the treatment of multidrug-resistant TB (MDR-TB) as well as isoniazid-resistant but rifampin-susceptible TB.Methods: Published systematic reviews, meta-analyses, and a new individual patient data meta-analysis from 12,030 patients, in 50 studies, across 25 countries with confirmed pulmonary rifampin-resistant TB were used for this guideline. Meta-analytic approaches included propensity score matching to reduce confounding. Each recommendation was discussed by an expert committee, screened for conflicts of interest, according to the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) methodology.Results: Twenty-one Population, Intervention, Comparator, and Outcomes questions were addressed, generating 25 GRADE-based recommendations. Certainty in the evidence was judged to be very low, because the data came from observational studies with significant loss to follow-up and imbalance in background regimens between comparator groups. Good practices in the management of MDR-TB are described. On the basis of the evidence review, a clinical strategy tool for building a treatment regimen for MDR-TB is also provided.Conclusions: New recommendations are made for the choice and number of drugs in a regimen, the duration of intensive and continuation phases, and the role of injectable drugs for MDR-TB. On the basis of these recommendations, an effective all-oral regimen for MDR-TB can be assembled. Recommendations are also provided on the role of surgery in treatment of MDR-TB and for treatment of contacts exposed to MDR-TB and treatment of isoniazid-resistant TB.
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Cerrone M, Bracchi M, Wasserman S, Pozniak A, Meintjes G, Cohen K, Wilkinson RJ. Safety implications of combined antiretroviral and anti-tuberculosis drugs. Expert Opin Drug Saf 2020; 19:23-41. [PMID: 31809218 PMCID: PMC6938542 DOI: 10.1080/14740338.2020.1694901] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 11/15/2019] [Indexed: 01/01/2023]
Abstract
Introduction: Antiretroviral and anti-tuberculosis (TB) drugs are often co-administered in people living with HIV (PLWH). Early initiation of antiretroviral therapy (ART) during TB treatment improves survival in patients with advanced HIV disease. However, safety concerns related to clinically significant changes in drug exposure resulting from drug-drug interactions, development of overlapping toxicities and specific challenges related to co-administration during pregnancy represent barriers to successful combined treatment for HIV and TB.Areas covered: Pharmacokinetic interactions of different classes of ART when combined with anti-TB drugs used for sensitive-, drug-resistant (DR) and latent TB are discussed. Overlapping drug toxicities, implications of immune reconstitution inflammatory syndrome (IRIS), safety in pregnancy and research gaps are also explored.Expert opinion: New antiretroviral and anti-tuberculosis drugs have been recently introduced and international guidelines updated. A number of effective molecules and clinical data are now available to build treatment regimens for PLWH with latent or active TB. Adopting a systematic approach that also takes into account the need for individualized variations based on the available evidence is the key to successfully integrate ART and TB treatment and improve treatment outcomes.
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Affiliation(s)
- Maddalena Cerrone
- Department of Medicine, Imperial College London, W2 1PG, UK
- Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine and Department of Medicine, University of Cape Town, Observatory 7925, South Africa
- Department of HIV, Chelsea and Westminster Hospital NHS Trust, London, UK
- Francis Crick Institute, London, NW1 1AT, UK
| | - Margherita Bracchi
- Department of HIV, Chelsea and Westminster Hospital NHS Trust, London, UK
| | - Sean Wasserman
- Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine and Department of Medicine, University of Cape Town, Observatory 7925, South Africa
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Anton Pozniak
- Department of HIV, Chelsea and Westminster Hospital NHS Trust, London, UK
- The London School of Hygiene & Tropical Medicine
| | - Graeme Meintjes
- Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine and Department of Medicine, University of Cape Town, Observatory 7925, South Africa
| | - Karen Cohen
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, South Africa
| | - Robert J Wilkinson
- Department of Medicine, Imperial College London, W2 1PG, UK
- Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine and Department of Medicine, University of Cape Town, Observatory 7925, South Africa
- Francis Crick Institute, London, NW1 1AT, UK
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Van Deun A, Decroo T, Tahseen S, Trébucq A, Schwoebel V, Ortuno-Gutierrez N, de Jong BC, Rieder HL, Piubello A, Chiang CY. World Health Organization 2018 treatment guidelines for rifampicin-resistant tuberculosis: uncertainty, potential risks and the way forward. Int J Antimicrob Agents 2020; 55:105822. [DOI: 10.1016/j.ijantimicag.2019.10.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 10/05/2019] [Indexed: 02/07/2023]
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Aye SZ, Ni H, Sein HH, Mon ST, Zheng Q, Wong YKY. D-cycloserine for autism spectrum disorder. Hippokratia 2019. [DOI: 10.1002/14651858.cd013457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Swe Zin Aye
- Quest International University Perak; Department of Paediatrics and Child Health; No 122A Jalan Haji Eusoff Ipoh Perak Malaysia 30250
| | - Han Ni
- SEGi University; Faculty of Medicine; Hospital Sibu, Jalan Ulu Oya Sibu Sarawak Malaysia 96000
| | - Htwe Htwe Sein
- Quest International University Perak; Department of Paediatrics and Child Health; No 122A Jalan Haji Eusoff Ipoh Perak Malaysia 30250
| | - San Thidar Mon
- Newcastle University Medicine Malaysia; Department of Paediatrics; No 1, Jalan Sarjana 1 Kota Ilmu, Educity@iskandar Johor Johor Malaysia 79200
| | - Qishi Zheng
- Singapore Clinical Research Institute; Department of Epidemiology; 31 Biopolis Way, Nanos #02-01 Singapore Singapore 138669
| | - Yoko Kin Yoke Wong
- Singapore Clinical Research Institute; Department of Epidemiology; 31 Biopolis Way, Nanos #02-01 Singapore Singapore 138669
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Court R, Wiesner L, Stewart A, de Vries N, Harding J, Maartens G, Gumbo T, McIlleron H. Steady state pharmacokinetics of cycloserine in patients on terizidone for multidrug-resistant tuberculosis. Int J Tuberc Lung Dis 2019; 22:30-33. [PMID: 29297422 DOI: 10.5588/ijtld.17.0475] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING Terizidone/cycloserine (TRD/CS) is included in standard treatment regimens for multidrug-resistant tuberculosis (MDR-TB) in many countries. The steady state pharmacokinetics (PKs) of CS after TRD administration are not known. OBJECTIVES AND DESIGN We recruited in-patients treated with 250-750 mg oral TRD daily as part of standard treatment regimens for pulmonary MDR-TB in Cape Town, South Africa. Plasma CS assays were performed in samples taken pre-dose and at 2, 4, 6, 8 and 10 h post-dose. CS concentrations were measured using a validated liquid chromatography-tandem mass spectrometry method. Non-compartmental PK analyses were performed. RESULTS Of 35 participants enrolled, 22 were males, and 20 (57%) were infected with the human immunodeficiency virus; the median age was 37 years. The median duration on TRD at the time of sampling was 33 days (interquartile range [IQR] 28-39). The area under the concentration-time curve at 0-10 h (AUC0-10) was 319 μg.h/ml (IQR 267.5-378.7), and peak concentration was 38.1 μg/ml (IQR 32.6-47.2). On multiple regression, dose (mg/kg) was the only factor independently associated with AUC0-10. CONCLUSION Steady state concentrations of CS in patients treated with TRD for MDR-TB were higher than those reported with CS formulations. Our findings support once-daily dosing.
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Affiliation(s)
- R Court
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town
| | - L Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town
| | - A Stewart
- Clinical Research Centre, Health Sciences Faculty, University of Cape Town, Cape Town
| | | | - J Harding
- D P Marais Hospital, Cape Town, South Africa
| | - G Maartens
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town
| | - T Gumbo
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas, USA
| | - H McIlleron
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town
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Court R, Chirehwa MT, Wiesner L, de Vries N, Harding J, Gumbo T, Maartens G, McIlleron H. Effect of tablet crushing on drug exposure in the treatment of multidrug-resistant tuberculosis. Int J Tuberc Lung Dis 2019; 23:1068-1074. [PMID: 31627771 PMCID: PMC7402384 DOI: 10.5588/ijtld.18.0775] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING: Treatment outcomes in multidrug-resistant tuberculosis (MDR-TB) are poor. Due to drug toxicity and a long treatment duration, approximately half of patients are treated successfully. Medication is often crushed for patients who have difficulty swallowing whole tablets. Whether crushing tablets affects drug exposure in MDR-TB treatment is not known.OBJECTIVE AND DESIGN: We performed a sequential pharmacokinetic study in patients aged >18 years on MDR-TB treatment at two hospitals in Cape Town, South Africa. We compared the bioavailability of pyrazinamide, moxifloxacin, isoniazid (INH), ethambutol and terizidone when the tablets were crushed and mixed with water before administration vs. swallowed whole. We sampled blood at six time points over 10 h under each condition separated by 2 weeks. Non-compartmental analysis was used to derive the key pharmacokinetic measurements.RESULTS: Twenty participants completed the study: 15 were men, and the median age was 31.5 years. There was a 42% reduction in the area under the curve AUC0-10 of INH when the tablets were crushed compared with whole tablets (geometric mean ratio 58%; 90%CI 47-73). Crushing tablets of pyrazinamide, moxifloxacin, ethambutol and terizidone did not affect the bioavailability significantly.CONCLUSION: We recommend that crushing of INH tablets in the MDR-TB treatment regimen be avoided. Paediatric INH formulations may be a viable alternative if the crushing of INH tablets is indicated.
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Affiliation(s)
- R Court
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town
| | - M T Chirehwa
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town
| | - L Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town
| | | | - J Harding
- DP Marais Hospital, Cape Town, South Africa
| | - T Gumbo
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, TX, USA
| | - G Maartens
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town
| | - H McIlleron
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town
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Comparative fitness analysis of D-cycloserine resistant mutants reveals both fitness-neutral and high-fitness cost genotypes. Nat Commun 2019; 10:4177. [PMID: 31519879 PMCID: PMC6744398 DOI: 10.1038/s41467-019-12074-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 08/16/2019] [Indexed: 12/23/2022] Open
Abstract
Drug resistant infections represent one of the most challenging medical problems of our time. D-cycloserine is an antibiotic used for six decades without significant appearance and dissemination of antibiotic resistant strains, making it an ideal model compound to understand what drives resistance evasion. We therefore investigated why Mycobacterium tuberculosis fails to become resistant to D-cycloserine. To address this question, we employed a combination of bacterial genetics, genomics, biochemistry and fitness analysis in vitro, in macrophages and in mice. Altogether, our results suggest that the ultra-low rate of emergence of D-cycloserine resistance mutations is the dominant biological factor delaying the appearance of clinical resistance to this antibiotic. Furthermore, we also identified potential compensatory mechanisms able to minimize the severe fitness costs of primary D-cycloserine resistance conferring mutations. D-cycloserine (DCS) has been used for decades to treat Mycobacterium tuberculosis (Mtb) but resistance is rarely observed in clinical isolates. Here, the authors report ultra-low rate of emergence of resistance mutations as the underlying mechanism of DCS resistance evasion in Mtb.
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Zhang K, Wang X, Tu J, Rong H, Werz O, Chen X. The interplay between depression and tuberculosis. J Leukoc Biol 2019; 106:749-757. [PMID: 31254317 DOI: 10.1002/jlb.mr0119-023r] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 05/19/2019] [Accepted: 06/07/2019] [Indexed: 02/06/2023] Open
Abstract
Depression is a major mental health condition and is expected be the most debilitating and widespread health disorder by 2030. Tuberculosis (TB) is also a leading cause of morbidity and mortality worldwide and interestingly, is a common comorbidity of depression. As such, much attention has been paid to the association between these 2 pathologies. Based on clinical reports, the association between TB and depression seems to be bidirectional, with a substantial overlap in symptoms between the 2 conditions. TB infection or reactivation may precipitate depression, likely as a consequence of the host's inflammatory response and/or dysregulation of the hypothalamic-pituitary-adrenal axis. Nevertheless, few studies have considered whether patients with depression are at a higher risk for TB. In this review, we discuss the hypotheses on the association between depression and TB, highlighting the immuno-inflammatory response and lipid metabolism as potential mechanisms. Improving our understanding of the interplay between these 2 disorders should help guide TB clinical care and prevention both in patients with comorbid depression and in the general population.
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Affiliation(s)
- Kehong Zhang
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathogen Biology, Shenzhen University School of Medicine, Shenzhen, China.,Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Xin Wang
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathogen Biology, Shenzhen University School of Medicine, Shenzhen, China
| | - Jie Tu
- The Brain Cognition and Brain Disease Institute (BCBDI), Shenzhen Institutes of Advanced Technology, Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, Chinese Academy of Sciences, Shenzhen, China
| | - Han Rong
- Shenzhen Kangning Hospital, Shenzhen Mental Health Center, Shenzhen, China
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller-University Jena, Jena, Germany
| | - Xinchun Chen
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathogen Biology, Shenzhen University School of Medicine, Shenzhen, China
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Cycloserine Population Pharmacokinetics and Pharmacodynamics in Patients with Tuberculosis. Antimicrob Agents Chemother 2019; 63:AAC.00055-19. [PMID: 30858211 PMCID: PMC6496076 DOI: 10.1128/aac.00055-19] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 03/02/2019] [Indexed: 12/31/2022] Open
Abstract
Limited pharmacokinetic/pharmacodynamic (PK/PD) data exist on cycloserine in tuberculosis (TB) patients. We pooled several studies into a large PK data set to estimate the population PK parameters for cycloserine in TB patients. Limited pharmacokinetic/pharmacodynamic (PK/PD) data exist on cycloserine in tuberculosis (TB) patients. We pooled several studies into a large PK data set to estimate the population PK parameters for cycloserine in TB patients. We also performed simulations to provide insight into optimizing the dosing of cycloserine. TB patients were included from Georgia, Bangladesh, and four U.S. sites. Monolix and mlxR package were used for population PK modeling and simulation. We used PK/PD targets for time above MIC of ≥30% and ≥64%, representing bactericidal activity and 80% of the maximum kill, to calculate the probability of target attainment (PTA). Optimal PK/PD breakpoints were defined as the highest MIC to achieve ≥90% of PTA. Data from 247 subjects, including 205 patients with drug-resistant TB, were included. The data were best described by a one-compartment model. In most cases, the PK/PD breakpoints for the simulated regimens were similar for both PK/PD targets. Higher PTA were achieved as the total daily dose was increased. The highest PK/PD breakpoint that resulted from the use of 250 mg dosages was 16 mg/liter. For MICs of >16 mg/liter, doses of at least 500 mg three times daily or 750 mg twice daily were needed. In conclusion, the current dosing for cycloserine, 250 to 500 mg once or twice daily, is not sufficient for MICs of >16mg/liter. Further studies are needed regarding the efficacy and tolerability of daily doses of >1,000 mg. Dividing the dose minimally affected the PK/PD breakpoints while optimizing exposure, which can potentially reduce adverse drug effects.
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Wang J, Pang Y, Jing W, Chen W, Guo R, Han X, Wu L, Yang G, Yang K, Chen C, Jiang L, Cai C, Dou Z, Diao L, Pan H, Wang J, Du F, Xu T, Wang L, Li R, Chu N. Efficacy and safety of cycloserine-containing regimens in the treatment of multidrug-resistant tuberculosis: a nationwide retrospective cohort study in China. Infect Drug Resist 2019; 12:763-770. [PMID: 31040707 PMCID: PMC6452793 DOI: 10.2147/idr.s194484] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Background Our aim was to assess whether the use of cycloserine (CS) would bring additional benefit for multidrug-resistant tuberculosis (MDR-TB) patients, and to estimate the incidence and associated risk factors of adverse drug reactions (ADRs) from CS. Patients and methods In this study, we retrospectively reviewed the clinical outcomes and ADRs of MDR-TB patients treated with CS containing regimens between January 2012 and June 2015 in China. Results A total of 623 MDR-TB cases enrolled in this study received regimens containing CS. Of these cases, in 411 of the patients 374 (66.0%) were “cured” and 37 (5.9%) “complete treatment” by the end of the study. The elderly, patients with prolonged previous exposure to and history of anti-TB drugs, and pre-existing co-morbidity were more likely to be associated with adverse outcomes of MDR-TB patients (P<0.05). Hyperuricemia (22.8%, 142/623) was the most frequently observed ADR among these cases, while the most noted ADRs associated with the administration of CS was psychiatric symptoms, accounting for 4.3% (27/623) of study population. Nineteen (70.4%) out of 27 cases with psychiatric symptoms occurred before the 6-month timepoint, and were notably, the highest proportion of serious adverse, 29.6% (8/27) of which were noted after discontinuation of CS. Conclusion Our study demonstrates that a CS-containing regimen achieved a highly successful outcome in the treatment of MDR-TB and promising tolerance in Chinese population. The potential emergence of serious psychiatric symptoms highlights that patients need to be closely monitored for these conditions during treatment that includes CS.
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Affiliation(s)
- Jing Wang
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing 101149, P.R. China,
| | - Yu Pang
- National Clinical Laboratory on Tuberculosis, Beijing Chest Hospital affiliated to Capital Medical University, Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing 101149, P.R. China
| | - Wei Jing
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing 101149, P.R. China,
| | - Wei Chen
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing 101149, P.R. China,
| | - Ru Guo
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing 101149, P.R. China,
| | - Xiqin Han
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing 101149, P.R. China,
| | - Limin Wu
- Tuberculosis Prevention Institute, Hangzhou Center for Disease Control and Prevention, Zhejiang 310021, P.R. China
| | - Guangxu Yang
- Tuberculosis Prevention Institute, Changchun Infectious Disease Hospital, Jilin 130123, P.R. China
| | - Kunyun Yang
- Department of Tuberculosis Resistance, Hunan Chest Hospital, Hunan 410013, P.R. China
| | - Cong Chen
- Multidrug Resistant Tuberculosis Project Office, Wuhan Pulmonary Hospital, Hubei 430030, P.R. China
| | - Lin Jiang
- Department of Internal Medicine, The Fifth People's Hospital of Ganzhou, Jiangxi 341000, P.R. China
| | - Chunkui Cai
- Department of Drug-Resistant Tuberculosis, Dalian Tuberculosis Hospital, Liaoning, 116033, P.R. China
| | - Zhi Dou
- Department of Tuberculosis, Qiqihar Tuberculosis Prevention and Control Institute, Heilongjiang 161006, P.R. China
| | - Lijuan Diao
- Department of Tuberculosis, Nanyang Tuberculosis Control Institute, Henan 473000, P.R. China
| | - Hongqiu Pan
- Department of Tuberculosis, The Third People's Hospital of Zhenjiang, Jiangsu 212000, P.R. China
| | - Jianyun Wang
- Department of Infection, Lanzhou Pulmonary Hospital, Gansu 730046, P.R. China
| | - Feifei Du
- Department of Respiratory, The Fourth People's Hospital of Ningxia Hui Autonomous Region, Ningxia 750021, P.R. China
| | - Tao Xu
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing 100005, P.R. China
| | - Lixia Wang
- National Center for Tuberculosis Control and Prevention, Chinese Center For Disease Control and Prevention, Beijing 102206, P.R. China
| | - Renzhong Li
- Department of Tuberculosis Resistance Prevention and Control, Chinese Center for Disease Control and Prevention, Beijing 102206, P.R. China,
| | - Naihui Chu
- Department of Tuberculosis, Beijing Chest Hospital, Capital Medical University Beijing Tuberculosis & Thoracic Tumor Research Institute, Beijing 101149, P.R. China,
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Li Y, Wang F, Wu L, Zhu M, He G, Chen X, Sun F, Liu Q, Wang X, Zhang W. Cycloserine for treatment of multidrug-resistant tuberculosis: a retrospective cohort study in China. Infect Drug Resist 2019; 12:721-731. [PMID: 30992677 PMCID: PMC6445236 DOI: 10.2147/idr.s195555] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
PURPOSE Cycloserine has been used in multidrug-resistant tuberculosis (MDR-TB) treatment since the 1950s. We evaluated the efficacy and safety of cycloserine and sought to clarify the role of cycloserine for treatment of simple MDR-TB, pre-extensively drug-resistant tuberculosis (pre-XDR-TB), and extensively drug-resistant tuberculosis (XDR-TB). MATERIALS AND METHODS A retrospective observational study was performed in Zhejiang Province, China. We enrolled 144 cycloserine-treated and 181 cycloserine-nontreated patients consecutively and determined the treatment outcome as the primary outcome. The proportion of patients with sputum culture conversion and the frequency of adverse drug reactions were also assessed. RESULTS One-hundred (69.4%) out of 144 patients in the cycloserine group successfully completed treatment. The HR of any unfavorable treatment outcome after the introduction of cycloserine was 0.58 (95% CI: 0.38-0.86, P=0.008). Subgroup analysis showed that cycloser-ine could benefit simple MDR-TB cases reducing the risk of unfavorable treatment outcomes (HR: 0.43, 95% CI: 0.24-0.76, P=0.004), but not pre-XDR-TB (HR: 0.65, 95% CI: 0.30-1.38, P=0.263) or XDR-TB (HR: 0.73, 95% CI: 0.22-2.37, P=0.589). The culture conversion rate at the intensive phase was similar whether cycloserine was administered or not (P=0.703). Of the 144 patients treated with cycloserine, a total of 16 (11.1%) patients experienced side effects attributed to cycloserine. CONCLUSION Cycloserine is an attractive agent for the treatment of MDR-TB, and its safety profile warrants its use in most MDR-TB cases. Cycloserine significantly improved the chance of a favorable outcome for patients with simple MDR-TB but not pre-XDR-TB and XDR-TB. Thus, more aggressive regimens might be required for pre-XDR-TB or XDR-TB patients.
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Affiliation(s)
- Yang Li
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai 200032, China
| | - Fei Wang
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang 310051, China,
| | - Limin Wu
- Hangzhou Center for Disease Control and Prevention, Hangzhou, Zhejiang 310021, China
| | - Min Zhu
- Tuberculosis Treatment Center, Hangzhou Red Cross Hospital, Hangzhou 310003, China
| | - Guiqing He
- Department of Infectious Diseases, Wenzhou Center Hospital, Wenzhou 325000, China
| | - Xinchang Chen
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai 200032, China
| | - Feng Sun
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai 200032, China
| | - Qihui Liu
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai 200032, China
| | - Xiaomeng Wang
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang 310051, China,
| | - Wenhong Zhang
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai 200032, China
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Catalão MJ, Filipe SR, Pimentel M. Revisiting Anti-tuberculosis Therapeutic Strategies That Target the Peptidoglycan Structure and Synthesis. Front Microbiol 2019; 10:190. [PMID: 30804921 PMCID: PMC6378297 DOI: 10.3389/fmicb.2019.00190] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 01/23/2019] [Indexed: 12/27/2022] Open
Abstract
Tuberculosis (TB), which is caused by Mycobacterium tuberculosis (Mtb), is one of the leading cause of death by an infectious diseases. The biosynthesis of the mycobacterial cell wall (CW) is an area of increasing research significance, as numerous antibiotics used to treat TB target biosynthesis pathways of essential CW components. The main feature of the mycobacterial cell envelope is an intricate structure, the mycolyl-arabinogalactan-peptidoglycan (mAGP) complex responsible for its innate resistance to many commonly used antibiotics and involved in virulence. A hallmark of mAGP is its unusual peptidoglycan (PG) layer, which has subtleties that play a key role in virulence by enabling pathogenic species to survive inside the host and resist antibiotic pressure. This dynamic and essential structure is not a target of currently used therapeutics as Mtb is considered naturally resistant to most β-lactam antibiotics due to a highly active β-lactamase (BlaC) that efficiently hydrolyses many β-lactam drugs to render them ineffective. The emergence of multidrug- and extensive drug-resistant strains to the available antibiotics has become a serious health threat, places an immense burden on health care systems, and poses particular therapeutic challenges. Therefore, it is crucial to explore additional Mtb vulnerabilities that can be used to combat TB. Remodeling PG enzymes that catalyze biosynthesis and recycling of the PG are essential to the viability of Mtb and are therefore attractive targets for novel antibiotics research. This article reviews PG as an alternative antibiotic target for TB treatment, how Mtb has developed resistance to currently available antibiotics directed to PG biosynthesis, and the potential of targeting this essential structure to tackle TB by attacking alternative enzymatic activities involved in Mtb PG modifications and metabolism.
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Affiliation(s)
- Maria João Catalão
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Sérgio R Filipe
- UCIBIO-REQUIMTE, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Caparica, Portugal.,Laboratory of Bacterial Cell Surfaces and Pathogenesis, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Madalena Pimentel
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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Rode HB, Lade DM, Grée R, Mainkar PS, Chandrasekhar S. Strategies towards the synthesis of anti-tuberculosis drugs. Org Biomol Chem 2019; 17:5428-5459. [DOI: 10.1039/c9ob00817a] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this report, we reviewed the strategies towards the synthesis of anti-tuberculosis drugs. They include semisynthetic approaches, resolution based strategies, microbial transformations, solid phase synthesis, and asymmetric synthesis.
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Affiliation(s)
- Haridas B. Rode
- Department of Organic Synthesis and Process Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Dhanaji M. Lade
- Department of Organic Synthesis and Process Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - René Grée
- University of Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes)
- UMR 6226
- F-35000 Rennes
| | - Prathama S. Mainkar
- Department of Organic Synthesis and Process Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Srivari Chandrasekhar
- Department of Organic Synthesis and Process Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
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Deshpande D, Alffenaar JWC, Köser CU, Dheda K, Chapagain ML, Simbar N, Schön T, Sturkenboom MGG, McIlleron H, Lee PS, Koeuth T, Mpagama SG, Banu S, Foongladda S, Ogarkov O, Pholwat S, Houpt ER, Heysell SK, Gumbo T. d-Cycloserine Pharmacokinetics/Pharmacodynamics, Susceptibility, and Dosing Implications in Multidrug-resistant Tuberculosis: A Faustian Deal. Clin Infect Dis 2018; 67:S308-S316. [PMID: 30496460 PMCID: PMC6260153 DOI: 10.1093/cid/ciy624] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background d-cycloserine is used to treat multidrug-resistant tuberculosis. Its efficacy, contribution in combination therapy, and best clinical dose are unclear, also data on the d-cycloserine minimum inhibitory concentration (MIC) distributions is scant. Methods We performed a systematic search to identify pharmacokinetic and pharmacodynamic studies performed with d-cycloserine. We then performed a combined exposure-effect and dose fractionation study of d-cycloserine in the hollow fiber system model of tuberculosis (HFS-TB). In parallel, we identified d-cycloserine MICs in 415 clinical Mycobacterium tuberculosis (Mtb) isolates from patients. We utilized these results, including intracavitary concentrations, to identify the clinical dose that would be able to achieve or exceed target exposures in 10000 patients using Monte Carlo experiments (MCEs). Results There were no published d-cycloserine pharmacokinetics/pharmacodynamics studies identified. Therefore, we performed new HFS-TB experiments. Cyloserine killed 6.3 log10 colony-forming units (CFU)/mL extracellular bacilli over 28 days. Efficacy was driven by the percentage of time concentration persisted above MIC (%TMIC), with 1.0 log10 CFU/mL kill achieved by %TMIC = 30% (target exposure). The tentative epidemiological cutoff value with the Sensititre MYCOTB assay was 64 mg/L. In MCEs, 750 mg twice daily achieved target exposure in lung cavities of 92% of patients whereas 500 mg twice daily achieved target exposure in 85% of patients with meningitis. The proposed MCE-derived clinical susceptibility breakpoint at the proposed doses was 64 mg/L. Conclusions Cycloserine is cidal against Mtb. The susceptibility breakpoint is 64 mg/L. However, the doses likely to achieve the cidality in patients are high, and could be neurotoxic.
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Affiliation(s)
- Devyani Deshpande
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas
| | - Jan-Willem C Alffenaar
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, The Netherlands
| | - Claudio U Köser
- Department of Genetics, University of Cambridge, United Kingdom
| | - Keertan Dheda
- Lung Immunity Unit, Division of Pulmonology, Department of Medicine, University of Cape Town, Observatory, South Africa
| | - Moti L Chapagain
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas
| | - Noviana Simbar
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, The Netherlands
| | - Thomas Schön
- Department of Infectious Diseases and Clinical Microbiology, Kalmar County Hospital
- Department of Clinical and Experimental Medicine, Division of Medical Microbiology, Linköping University, Sweden
| | - Marieke G G Sturkenboom
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, The Netherlands
| | - Helen McIlleron
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory, South Africa
| | - Pooi S Lee
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas
| | - Thearith Koeuth
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas
| | | | - Sayera Banu
- International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka
| | | | - Oleg Ogarkov
- Scientific Centre of the Family Health and Human Reproduction Problems, Irkutsk, Russian Federation
| | - Suporn Pholwat
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville
| | - Eric R Houpt
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville
| | - Scott K Heysell
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville
| | - Tawanda Gumbo
- Center for Infectious Diseases Research and Experimental Therapeutics, Baylor Research Institute, Baylor University Medical Center, Dallas, Texas
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Drug targets exploited in Mycobacterium tuberculosis: Pitfalls and promises on the horizon. Biomed Pharmacother 2018; 103:1733-1747. [PMID: 29864964 DOI: 10.1016/j.biopha.2018.04.176] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 04/24/2018] [Accepted: 04/24/2018] [Indexed: 01/10/2023] Open
Abstract
Tuberculosis is an ever evolving infectious disease that still claims about 1.8 million human lives each year around the globe. Although modern chemotherapy has played a pivotal role in combating TB, the increasing emergence of drug-resistant TB aligned with HIV pandemic threaten its control. This highlights both the need to understand how our current drugs work and the need to develop new and more effective drugs. TB drug discovery is revisiting the clinically validated drug targets in Mycobacterium tuberculosis using whole-cell phenotypic assays in search of better therapeutic scaffolds. Herein, we review the promises of current TB drug regimens, major pitfalls faced, key drug targets exploited so far in M. tuberculosis along with the status of newly discovered drugs against drug resistant forms of TB. New antituberculosis regimens that use lesser number of drugs, require shorter duration of treatment, are equally effective against susceptible and resistant forms of disease, have acceptable toxicity profiles and behave friendly with anti-HIV regimens remains top most priority in TB drug discovery.
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Sweetland AC, Kritski A, Oquendo MA, Sublette ME, Norcini Pala A, Silva LRB, Karpati A, Silva EC, Moraes MO, Silva JRLE, Wainberg ML. Addressing the tuberculosis-depression syndemic to end the tuberculosis epidemic. Int J Tuberc Lung Dis 2018; 21:852-861. [PMID: 28786792 DOI: 10.5588/ijtld.16.0584] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Tuberculosis (TB) and depression act synergistically via social, behavioral, and biological mechanisms to magnify the burden of disease. Clinical depression is a common, under-recognized, yet treatable condition that, if comorbid with TB, is associated with increased morbidity, mortality, community TB transmission, and drug resistance. Depression may increase risk of TB reactivation, contribute to disease progression, and/or inhibit the physiological response to anti-tuberculosis treatment because of poverty, undernutrition, immunosuppression, and/or negative coping behaviors, including substance abuse. Tuberculous infection and/or disease reactivation may precipitate depression as a result of the inflammatory response and/or dysregulation of the hypothalamic-pituitary-adrenal axis. Clinical depression may also be triggered by TB-related stigma, exacerbating other underlying social vulnerabilities, and/or may be attributed to the side effects of anti-tuberculosis treatment. Depression may negatively impact health behaviors such as diet, health care seeking, medication adherence, and/or treatment completion, posing a significant challenge for global TB elimination. As several of the core symptoms of TB and depression overlap, depression often goes unrecognized in individuals with active TB, or is dismissed as a normative reaction to situational stress. We used evidence to reframe TB and depression comorbidity as the 'TB-depression syndemic', and identified critical research gaps to further elucidate the underlying mechanisms. The World Health Organization's Global End TB Strategy calls for integrated patient-centered care and prevention linked to social protection and innovative research. It will require multidisciplinary approaches that consider conditions such as TB and depression together, rather than as separate problems and diseases, to end the global TB epidemic.
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Affiliation(s)
- A C Sweetland
- Department of Psychiatry, Columbia College of Physicians and Surgeons, New York, New York, USA; New York State Psychiatric Institute, New York, New York, USA
| | - A Kritski
- Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil TB Research Network (REDE-TB), Rio de Janeiro, Rio de Janeiro, Brazil
| | - M A Oquendo
- Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - M E Sublette
- Department of Psychiatry, Columbia College of Physicians and Surgeons, New York, New York, USA; New York State Psychiatric Institute, New York, New York, USA
| | - A Norcini Pala
- Department of Psychiatry, Columbia College of Physicians and Surgeons, New York, New York, USA; New York State Psychiatric Institute, New York, New York, USA
| | - L R Batista Silva
- Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Rio de Janeiro, Brazil
| | - A Karpati
- Vital Strategies, New York, New York, USA
| | - E C Silva
- State University of North Fluminense Darcy Ribeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - M O Moraes
- Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Rio de Janeiro, Brazil
| | - J R Lapa E Silva
- Federal University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - M L Wainberg
- Department of Psychiatry, Columbia College of Physicians and Surgeons, New York, New York, USA; New York State Psychiatric Institute, New York, New York, USA
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Bhat ZS, Rather MA, Maqbool M, Lah HU, Yousuf SK, Ahmad Z. Cell wall: A versatile fountain of drug targets in Mycobacterium tuberculosis. Biomed Pharmacother 2017; 95:1520-1534. [PMID: 28946393 DOI: 10.1016/j.biopha.2017.09.036] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Revised: 09/07/2017] [Accepted: 09/10/2017] [Indexed: 12/18/2022] Open
Abstract
Tuberculosis is the leading infectious disease responsible for an estimated one and a half million human deaths each year around the globe. HIV-TB coinfection and rapid increase in the emergence of drug resistant forms of TB is a dangerous scenario. This underlines the urgent need for new drugs with novel mechanism of action. A plethora of literature exist that highlight the importance of enzymes involved in the biosynthesis of mycobacterial cell wall responsible for its survival, growth, permeability, virulence and resistance to antibiotics. Therefore, assembly of cell wall components is an attractive target for the development of chemotherapeutics against Mycobacterium tuberculosis. The aim of this review is to highlight novel sets of enzyme inhibitors that disrupt its cell wall biosynthetic pathway. These include the currently approved first and second line drugs, candidates in clinical trials and current structure activity guided endeavors of scientific community to identify new potent inhibitors with least cytotoxicity and better efficacy against emergence of drug resistance till date.
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Affiliation(s)
- Zubair Shanib Bhat
- Clinical Microbiology and PK/PD Division, Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India.
| | - Muzafar Ahmad Rather
- Clinical Microbiology and PK/PD Division, Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India; Department of Biochemistry, University of Kashmir, Srinagar, Jammu & Kashmir 190006, India
| | - Mubashir Maqbool
- Clinical Microbiology and PK/PD Division, Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India; Department of Zoology, University of Kashmir, Srinagar, Jammu & Kashmir 190006, India
| | - Hafiz Ul Lah
- Medicinal Chemistry Division, Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India
| | - Syed Khalid Yousuf
- Academy of Scientific and Innovative Research (AcSIR), CSIR- Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India; Medicinal Chemistry Division, Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India
| | - Zahoor Ahmad
- Clinical Microbiology and PK/PD Division, Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Indian Institute of Integrative Medicine (IIIM), Campus, Sanat Nagar, Srinagar, Jammu & Kashmir 190005, India.
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Caminero JA, Cayla JA, García-García JM, García-Pérez FJ, Palacios JJ, Ruiz-Manzano J. Diagnóstico y tratamiento de la tuberculosis con resistencia a fármacos. Arch Bronconeumol 2017; 53:501-509. [DOI: 10.1016/j.arbres.2017.02.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 01/24/2017] [Accepted: 02/12/2017] [Indexed: 11/15/2022]
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Dheda K, Cox H, Esmail A, Wasserman S, Chang KC, Lange C. Recent controversies about MDR and XDR-TB: Global implementation of the WHO shorter MDR-TB regimen and bedaquiline for all with MDR-TB? Respirology 2017; 23:36-45. [PMID: 28850767 DOI: 10.1111/resp.13143] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 06/26/2017] [Accepted: 07/10/2017] [Indexed: 12/29/2022]
Abstract
Tuberculosis (TB) is now the biggest infectious disease killer worldwide. Although the estimated incidence of TB has marginally declined over several years, it is out of control in some regions including in Africa. The advent of multidrug-resistant TB (MDR-TB) and extensively drug-resistant TB (XDR-TB) threatens to further destabilize control in several regions of the world. Drug-resistant TB constitutes a significant threat because it underpins almost 25% of global TB mortality, is associated with high morbidity, is a threat to healthcare workers and is unsustainably costly to treat. The advent of highly resistant TB with emerging bacillary resistance to newer drugs has raised further concern. Encouragingly, in addition to preventative strategies, several interventions have recently been introduced to curb the drug-resistant TB epidemic, including newer molecular diagnostic tools, new (bedaquiline and delamanid) and repurposed (linezolid and clofazimine) drugs and shorter and individualized treatment regimens. However, there are several controversies that surround the use of new drugs and regimens, including whether, how and to what extent they should be used, and who specifically should be treated so that outcomes are optimally improved without amplifying the burden of drug resistance, and other potential drawbacks, thus sustaining effectiveness of the new drugs. The equipoise surrounding these controversies is discussed and some recommendations are provided.
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Affiliation(s)
- Keertan Dheda
- Lung Infection and Immunity Unit, Department of Medicine, Division of Pulmonology and UCT Lung Institute, University of Cape Town, Cape Town, South Africa
| | - Helen Cox
- Division of Medical Microbiology, and the Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Aliasgar Esmail
- Lung Infection and Immunity Unit, Department of Medicine, Division of Pulmonology and UCT Lung Institute, University of Cape Town, Cape Town, South Africa
| | - Sean Wasserman
- Clinical Infectious Diseases Research Initiative, Institute of Infectious Diseases and Molecular Medicine, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Kwok Chiu Chang
- Department of Health, Tuberculosis and Chest Service, Centre for Health Protection, Hong Kong, China
| | - Christoph Lange
- Division of Clinical Infectious Diseases, German Center for Infection Research (DZIF), Research Center Borstel, Borstel, Germany
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Bastos ML, Lan Z, Menzies D. An updated systematic review and meta-analysis for treatment of multidrug-resistant tuberculosis. Eur Respir J 2017; 49:49/3/1600803. [PMID: 28331031 DOI: 10.1183/13993003.00803-2016] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 01/10/2017] [Indexed: 11/05/2022]
Abstract
This systematic review aimed to update the current evidence for multidrug-resistant tuberculosis (MDR-TB) treatment.We searched for studies that reported treatment information and clinical characteristics for at least 25 patients with microbiologically confirmed pulmonary MDR-TB and either end of treatment outcomes, 6-month culture conversion or severe adverse events (SAEs). We assessed the association of these outcomes with patients' characteristics or treatment parameters. We identified 74 studies, including 17 494 participants.The pooled treatment success was 26% in extensively drug-resistant TB (XDR-TB) patients and 60% in MDR-TB patients. Treatment parameters such as number or duration and individual drugs were not associated with improved 6-month sputum culture conversion or end of treatment outcomes. However, MDR-TB patients that received individualised regimens had higher success than patients who received standardised regimens (64% versus 52%; p<0.0.01). When reports from 20 cohorts were pooled, proportions of SAE ranged from 0.5% attributed to ethambutol to 12.2% attributed to para-aminosalicylic acid. The lack of significant associations of treatment outcomes with specific drugs or regimens may reflect the limitations of pooling the data rather than a true lack of differences in efficacy of regimens or individual drugs.This analysis highlights the need for stronger evidence for treatment of MDR-TB from better-designed and reported studies.
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Affiliation(s)
- Mayara Lisboa Bastos
- Internal Medicine Graduate Program, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Zhiyi Lan
- Respiratory Epidemiology and Clinical Research Unit, Montreal Chest Institute, McGill University, Montreal, QC, Canada
| | - Dick Menzies
- Respiratory Epidemiology and Clinical Research Unit, Montreal Chest Institute, McGill University, Montreal, QC, Canada
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Mason PH, Sweetland AC, Fox GJ, Halovic S, Nguyen TA, Marks GB. Tuberculosis and mental health in the Asia-Pacific. Australas Psychiatry 2016; 24:553-555. [PMID: 27206468 PMCID: PMC5332205 DOI: 10.1177/1039856216649770] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE This opinion piece encourages mental health researchers and clinicians to engage with mental health issues among tuberculosis patients in the Asia-Pacific region in a culturally appropriate and ethical manner. The diversity of cultural contexts and the high burden of tuberculosis throughout the Asia-Pacific presents significant challenges. Research into tuberculosis and mental illness in this region is an opportunity to develop more nuanced models of mental illness and treatment, while simultaneously contributing meaningfully to regional tuberculosis care and prevention. CONCLUSIONS We overview key issues in tuberculosis and mental illness co-morbidity, highlight ethical concerns and advocate for a regional approach to tuberculosis and mental health that is consistent with the transnational challenges presented by this airborne infectious disease. Integrating tuberculosis and mental health services will go a long way to addressing the needs of vulnerable populations and stopping the transmission of one of the world's biggest infectious killers.
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Affiliation(s)
- Paul H Mason
- Research Fellow, Centre for Values, Ethics and the Law in Medicine, University of Sydney, Sydney, NSW, and; Honorary Fellow, Woolcock Institute of Medical Research, Glebe, NSW, and; Scholarly Teaching Fellow, Department of Anthropology, Macquarie University, Sydney, NSW, Australia
| | - Annika C Sweetland
- Assistant Professor, Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - Greg J Fox
- Clinical Lecturer, Medicine, Central Clinical School, University of Sydney, Sydney, NSW, and; Woolcock Institute of Medical Research, Glebe, NSW, Australia
| | - Shaun Halovic
- Clinical Project Officer, Westmead Psychotherapy Program, Westmead, NSW, Clinical Lecturer, Sydney University, Sydney, NSW, Australia
| | - Thu Anh Nguyen
- Country Director, Woolcock Institute of Medical Research, Ha Noi, Vietnam
| | - Guy B Marks
- Clinical Professor, Woolcock Institute of Medical Research, Glebe, NSW, and; Central Clinical School, Faculty of Medicine, University of Sydney, Sydney, NSW, and; South Western Sydney Clinical School, University of New South Wales, Sydney, NSW, Australia
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Schaaf HS, Thee S, van der Laan L, Hesseling AC, Garcia-Prats AJ. Adverse effects of oral second-line antituberculosis drugs in children. Expert Opin Drug Saf 2016; 15:1369-81. [PMID: 27458876 DOI: 10.1080/14740338.2016.1216544] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Increasing numbers of children with drug-resistant tuberculosis are accessing second-line antituberculosis drugs; these are more toxic than first-line drugs. Little is known about the safety of new antituberculosis drugs in children. Knowledge of adverse effects, and how to assess and manage these, is important to ensure good adherence and treatment outcomes. AREAS COVERED A Pubmed search was performed to identify articles addressing adverse effects of second-line antituberculosis drugs; a general search was done for the new drugs delamanid and bedaquiline. This review discusses adverse effects associated with oral second-line antituberculosis drugs. The spectrum of adverse effects caused by antituberculosis drugs is wide; the majority are mild or moderate, but these are important to manage as it could lead to non-adherence to treatment. Adverse effects may be more common in HIV-infected than in HIV-uninfected children. EXPERT OPINION Although children may experience fewer adverse effects from oral second-line antituberculosis drugs than adults, evidence from prospective studies of the incidence of adverse events in children is limited. Higher doses of second-line drugs, new antituberculosis drugs, and new drug regimens are being evaluated in children: these call for strict pharmacovigilance in children treated in the near future, as adverse effect profiles may change.
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Affiliation(s)
- H Simon Schaaf
- a Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences , Stellenbosch University , Cape Town , South Africa
| | - Stephanie Thee
- b Department of Paediatric Pneumology and Immunology , Charité, Universitätsmedizin Berlin , Berlin , Germany
| | - Louvina van der Laan
- a Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences , Stellenbosch University , Cape Town , South Africa
| | - Anneke C Hesseling
- a Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences , Stellenbosch University , Cape Town , South Africa
| | - Anthony J Garcia-Prats
- a Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences , Stellenbosch University , Cape Town , South Africa
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Winters N, Butler-Laporte G, Menzies D. Efficacy and safety of World Health Organization group 5 drugs for multidrug-resistant tuberculosis treatment. Eur Respir J 2015; 46:1461-70. [DOI: 10.1183/13993003.00649-2015] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 06/22/2015] [Indexed: 11/05/2022]
Abstract
The efficacy and toxicity of several drugs now used to treat multidrug-resistant tuberculosis (MDR-TB) have not been fully evaluated.We searched three databases for studies assessing efficacy in MDR-TB or safety during prolonged treatment of any mycobacterial infections, of drugs classified by the World Health Organization as having uncertain efficacy for MDR-TB (group 5).We included 83 out of 4002 studies identified. Evidence was inadequate for meropenem, imipenem and terizidone. For MDR-TB treatment, clarithromycin had no efficacy in two studies (risk difference (RD) −0.13, 95% CI −0.40–0.14) and amoxicillin–clavulanate had no efficacy in two other studies (RD 0.07, 95% CI −0.21–0.35). The largest number of studies described prolonged use for treatment of non-tuberculous mycobacteria. Azithromycin was not associated with excess serious adverse events (SAEs). Clarithromycin was not associated with excess SAEs in eight controlled trials in HIV-infected patients (RD 0.00, 95% CI −0.02–0.02), nor in six uncontrolled studies in HIV-uninfected patients, whereas six uncontrolled studies in HIV-infected patients clarithromycin caused substantial SAEs (proportion 0.20, 95% CI 0.12–0.27).For most group 5 drugs we found inadequate evidence of safety for prolonged use or for efficacy for MDR-TB, although macrolides appeared to be safe in prolonged use.
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Scott JC, Shah N, Porco T, Flood J. Cost Resulting from Anti-Tuberculosis Drug Shortages in the United States: A Hypothetical Cohort Study. PLoS One 2015; 10:e0134597. [PMID: 26284924 PMCID: PMC4540488 DOI: 10.1371/journal.pone.0134597] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 07/13/2015] [Indexed: 11/19/2022] Open
Abstract
Background From 2012 through 2014, the United States experienced acute shortages and price escalations of several first-line anti-tuberculosis (TB) medications. Because secondary TB drug regimens are longer and adverse events occur more frequently with them, we sought to conservatively estimate the cost, to patients and the health care system, of TB treatment and medication adverse events from alternative regimens during drug shortages. Methods We assessed the cost of treatment for TB disease in the absence of isoniazid (INH), rifampin (RIF), or pyrazinamide (PZA), or both INH and RIF. We simulated adverse events based on published probabilities using a monthly discrete-time stochastic model. For total costs, we summed costs of medications, routine testing, and treatment of adverse events using procedural terminology codes. We report average cost ratios of TB treatment during drug shortages to standard TB treatment. Results The cost ratio of TB treatment without INH, RIF, or PZA to standard treatment was 1.7 (Range: 1.2, 2.3), 4.9 (Range: 3.2, 7.3), and 1.1 (Range: 0.7, 1.7) times higher, respectively. Without both INH and RIF, the cost ratio was 18.6 (Range: 10.0, 39.0) times higher. When the prices for INH, RIF and PZA were increased, the cost for standard treatment increased by a factor of 2.7 (Range: 1.9, 3.0). The percentage of patients experiencing at least one adverse event while taking standard therapy was 3.9% (Range: 1.3%, 11.8%). This percentage increased to 51.5% (Range: 20.1%, 83.8%) when RIF was unavailable, and increased to 82.5% (Range: 41.2%, 98.5%) when both INH and RIF were unavailable. Conclusions Our conservative model illustrates that an interruption in first-line anti-TB medications leads to appreciable additional costs and adverse events for patients. The availability of these drugs in the United States should be ensured. Models that incorporate the effectiveness of alternative regimens, delays in treatment initiation, and TB transmission can provide broader perspectives on the impact of drug shortages.
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Affiliation(s)
- James C. Scott
- Colby College, Department of Mathematics and Statistics, Waterville, Maine, United States of America
- Francis I. Proctor Foundation, San Francisco, California, United States of America
| | - Neha Shah
- California Department of Health Tuberculosis Control Branch, Richmond, California, United States of America
- Centers for Disease Control and Prevention, Division of Tuberculosis Elimination, Atlanta, Georgia, United States of America
- * E-mail:
| | - Travis Porco
- Francis I. Proctor Foundation, San Francisco, California, United States of America
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, United States of America
| | - Jennifer Flood
- California Department of Health Tuberculosis Control Branch, Richmond, California, United States of America
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Mustafa S, Pai RS, Singh G, Kusum Devi V. Nanocarrier-based interventions for the management of MDR/XDR-TB. J Drug Target 2015; 23:287-304. [PMID: 25766078 DOI: 10.3109/1061186x.2015.1009076] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Emergence of multidrug-resistant TB (MDR-TB) and extensively drug-resistant TB over the past decade presents an unprecedented public health challenge to which countries of concern are responding far too slowly. Global Tuberculosis Report 2014 marks the 20th anniversary of the Global Project on Anti-Tuberculosis Drug Resistance Surveillance, indicating the highest global level of drug-resistance ever recorded detection of 97 000 patients with MDR-TB resulting in 170 000 deaths in 2013. Treatment of MDR-TB is expensive, complex, prolonged (18-24 months) and associated with a higher incidence of adverse events. In this context, nanocarrier delivery systems (NDSs) efficiently encapsulating considerable amounts of second-line anti tubercular drugs ((s)ATDs), eliciting controlled, sustained and more profound effect to trounce the need to administer (s)ATDs at high and frequent doses, would assist in improving patient compliance and avoid hepatotoxicity and/or nephrotoxicity/ocular toxicity/ototoxicity associated with the prevalent (s)ATDs. Besides, NDSs are also known to inhibit the P-glycoprotein efflux, reduce metabolism by gut cytochrome P-450 enzymes and circumnavigate the hepatic first-pass effect, facilitating absorption of drugs via intestinal lymphatic pathways. This review first provides a holistic account on MDR-TB and discusses the molecular basis of Mycobacterium tuberculosis resistance to anti-tubercular drugs. It also provides an updated bird's eye view on current treatment strategies and laboratory diagnostic test for MDR-TB. Furthermore, a relatively pithy view on patent studies on second-line chemotherapy using NDSs will be discussed.
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Affiliation(s)
- Sanaul Mustafa
- Department of Pharmaceutics, Al-Ameen College of Pharmacy , Bangalore, Karnataka , India
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