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Genotypic and phenotypic diversity of Mycobacterium tuberculosis strains from eastern India.
Infect Genet Evol
January 2025
Immunogenomics & Systems Biology group, Institute of Life Sciences (ILS), Bhubaneswar, Odisha, India; School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT), Bhubaneswar, Odisha, India. Electronic address:
Whole genome sequencing has been used to investigate the genomic diversity of M. tuberculosis in the northern and southern states of India, but information about the eastern part of the country is still limited. Through a sequencing-based strategy, this study seeks to comprehend the diversity and drug resistance pattern in the eastern region.
View Article and Find Full Text PDFRecent advancements in the quest of benzazoles as anti-Mycobacterium tuberculosis agents.
Bioorg Chem
December 2024
Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar, Punjab 160 062, India; School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, West Bengal 700 032, India. Electronic address:
Tuberculosis (TB) remains a global health challenge, claiming numerous lives each year, despite recent advancements in drug discovery and treatment strategies. Current TB treatment typically involves long-duration chemotherapy regimens that are often accompanied by adverse effects. The introduction of new anti-TB drugs, such as Bedaquiline, Delamanid, and Pretomanid, offers hope for more effective treatment, although challenges persist keeping the quest to find new anti-TB chemotypes an incessant exercise of medicinal chemists.
View Article and Find Full Text PDFExecutive Summary: Clinical Practice Guidelines on the Management of Resistant Tuberculosis of the Spanish Society of Pulmonology and Thoracic Surgery (SEPAR) and the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC).
Arch Bronconeumol
December 2024
Pulmonology Service, Cruces University Hospital (OSI EEC), Barakaldo, Spain; BioBizkaia Health Research Institute, Spain.
The Spanish Society of Pneumology and Thoracic Surgery (SEPAR) and the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC) have developed together Clinical Practice Guidelines (GPC) on the management of people affected by tuberculosis (TB) resistant to drugs with activity against Mycobacterium tuberculosis. These clinical practice guidelines include the latest updates of the SEPAR regulations for the diagnosis and treatment of drug-resistant TB from 2017 and 2020 as the starting point. The methodology included asking relevant clinical questions based on PICO methodology, a literature search focusing on each question, and a systematic and comprehensive evaluation of the evidence, with a summary of this evidence for each question.
View Article and Find Full Text PDFModel-Informed Once-Daily Dosing Strategy for Bedaquiline and Delamanid in Children, Adolescents and Adults with Tuberculosis.
Clin Pharmacol Ther
December 2024
Department of Pharmacy, Uppsala University, Uppsala, Sweden.
The complexity of the currently registered dosing schedules for bedaquiline and delamanid is a barrier to uptake in drug-resistant tuberculosis treatment across all ages. A simpler once-daily dosing schedule is critical to ensure patient-friendly regimens with good adherence. We assessed expected drug exposures with proposed once-daily doses for adults and compared novel model-informed once-daily dosing strategies for children with current World Health Organization (WHO) recommended dosing.
View Article and Find Full Text PDFPerformance of a broth microdilution assay for routine minimum inhibitory concentration determination of 14 anti-tuberculous drugs against the complex based on the EUCAST reference protocol.
Antimicrob Agents Chemother
December 2024
Public Health Agency of Sweden, Solna, Sweden.
This comparative study aimed at qualifying a broth microdilution (BMD) assay for phenotypic drug susceptibility testing (pDST) of complex (MTBC) strains for implementation in a routine DST workflow. The assay was developed based on the EUCAST (European Committee on Antimicrobial Susceptibility Testing) reference protocol for determination of the minimum inhibitory concentration (MIC) of 14 anti-tuberculous drugs (isoniazid [INH], rifampicin [RIF], ethambutol [EMB], amikacin [AMI], moxifloxacin [MFX], levofloxacin [LFX], bedaquiline [BDQ], clofazimine [CFZ], delamanid [DLM], pretomanid [PA], para-aminosalicylic acid [PAS], linezolid [LZD], ethionamide [ETH], and cycloserine [CS]). Forty MTBC strains with various drug resistance profiles were tested to determine the agreement between MIC results and genotypic drug susceptibility testing (gDST) results derived from whole-genome sequencing (WGS).
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