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Hair isoniazid levels predict TB sputum culture conversion.

Int J Tuberc Lung Dis

January 2025

Department of Pharmacology and Therapeutics, Makerere College of Health Sciences, Kampala, Uganda.

BACKGROUNDSputum culture is the gold standard for diagnosing TB disease and confirming treatment outcomes. However, the turnaround time is 6-8 weeks, which leads to delays in decision-making regarding the care of TB patients.OBJECTIVETo evaluate isoniazid hair drug levels as a predictor of sputum culture conversion at 8 weeks of TB treatment.

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Rifampicin and isoniazid resistance not promote fluoroquinolone resistance in Mycobacterium smegmatis.

PLoS One

January 2025

National Clinical Research Center for Infectious Diseases, Shenzhen Clinical Research Center for Tuberculosis, Shenzhen Third People's Hospital, Shenzhen, Guangdong, China.

Background: The emergence of drug-resistant Tuberculosis (TB) has made treatment challenging. Although fluoroquinolones (FQs) are used as key drugs in the treatment of multidrug-resistant tuberculosis (MDR-TB), the problem of FQs resistance is becoming increasingly serious. Rifampicin (RIF) resistance is considered a risk factor for FQs resistance.

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Introduction: Tuberculosis (TB) is the leading infectious cause of death globally. Despite WHO recommendations for TB preventive therapy (TPT), challenges persist, including incompletion of treatment and adverse drug reactions (ADRs). There is limited data on the 3-month isoniazid and rifapentine (3HP) pharmacokinetics, pharmacogenomics and their relation with ADRs.

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Background: The gut microbiota plays a pivotal role in ulcerative colitis (UC) development. This study explores the impact of latent tuberculosis infection (LTBI) on the gut microbiota in UC and assesses changes during vedolizumab treatment, investigating prophylactic anti-tuberculosis therapy.

Results: This cohort study included adult patients with UC receiving vedolizumab treatment at Jinhua Hospital, Zhejiang University from April 2021 to December 2022.

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Introduction: As China is scaling up tuberculosis preventive therapy (TPT) for people living with HIV (PLHIV) in its national programmes, the objective of this study was to evaluate the feasibility and performance of 6-month regimen of isoniazid monotherapy (6H) in terms of preventive therapy acceptance, adherence, effectiveness and outcomes in minority areas with a high burden of tuberculosis (TB) and HIV/AIDS.

Method: A prospective observational cohort study was initiated among 461 PLHIV in Butuo County after ruling out active TB (ATB) and followed up for up to 3 years to collect incidence events in real-world settings. TB incidence and protective rates were calculated.

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