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NCT06272812
A Phase 2b, double-blind, randomized, placebo-controlled study to evaluate the efficacy, safety and immunogenicity of a candidate tuberculosis (TB) vaccine, MTBVAC, against TB disease in adolescents and adults aged 14-45 years, living in a TB endemic region.
NCT06796647
The aim of the study is to pilot the application of a novel ESAT6/CFP10 (C-TST) skin test in rheumatologic disease patients prior to initiation of treatment with biologic and/or targeted synthetic disease-modifying antirheumatic drugs (b/tsDMARD). This is a prospective observational study involving the recruitment of patients with rheumatologic diseases who are planned for initiation of b/tsDMARD. Eligible patients would undergo skin testing by the Mantoux technique with purified protein derivative (PPD) RT23 on one forearm and C-TST on the other, alongside routine blood sampling for Interferon-Gamma Release Assay. The skin test results would be read within 48-72 hours afterwards. Treatment of TB infection would be provided in accordance with current clinical guidelines, followed by regular clinical monitoring for 2 years. Analyses involve performance evaluation of C-TST, and decision-analytical modelling incorporating multiple Markov process to evaluate the impact of management by LTBI testing methods on clinical outcomes and health care costs.
NCT07163143
People living in high TB burden communities who undergo active case finding for TB may have chest X-ray changes suggestive of TB but their sputum test can be negative for the TB bacteria or they are unable to provide a sputum sample. This means they have bacteriologically unconfirmed TB. These individuals often have minimal or no symptoms and face uncertainty in clinical management-either receiving full 24-weeks TB treatment or often being discharged without treatment, risking loss to follow-up. The RADIO-TB trial aims to address the following main questions in relation to people with bacteriologically unconfirmed TB. 1. What is the risk of progression if treatment is not immediately started but there is close and careful follow-up over 78 weeks? 2. If treatment is started immediately what is the shortest duration of TB treatment that is as effective as the standard 24-week TB treatment? 3. Are there better tests to confirm TB than the current routinely used, sputum-based tests? 4. What is the cost effectiveness of different treatment strategies and what might the impact on transmission be within communities? Participants in the trial will be randomized into six groups: five receiving immediate standard TB treatment of varying durations (8 to 24 weeks), and one receiving deferred treatment with close monitoring. Deferred treatment will be initiated only if clinical deterioration occurs or TB is later confirmed. Participants will be closely followed for 78 weeks with at least 11 clinic visits.
NCT04333485
TB Aftermath will compare effectiveness, cost-effectiveness and feasibility of two ACF strategies for detecting recurrent TB and provide evidence needed to implement and scale the preferred ACF strategy. The specific aims are: Primary Aim 1: To conduct a non-inferiority randomized trial to measure the comparative effectiveness of two potentially implementable ACF strategies within India's National TB Elimination Program (NTEP), conducted by existing NTEP healthcare workers (HCWs): (i) home-based ACF (HACF) and (ii) telephonic ACF (TACF). Primary Aim 2: To characterize implementation processes of the ACF strategies using the Reach, Effectiveness, Adoption, Implementation, and Maintenance (RE-AIM) framework to inform future scale-up and sustainability. Primary Aim 3: To model the impact and cost effectiveness of the ACF strategies evaluated in the trial, and of potential alternative strategies for the targeting and timing of those strategies. Secondary Aim: To measure the association of the severity, chronicity and progression of post-TB lung impairment with recurrent TB disease.
NCT07069387
The gold standard for tuberculosis (TB) treatment support requires directly observed therapy (DOT), which means a trained health worker observes the patient swallow each dose of medication every day for 2 months. Despite the practice of DOT in Malaysia, 1 in 20 patients are loss-to-follow-up and non-adherent to treatment. Sub-optimal adherence due to poor treatment acceptability and social desirability promotes TB treatment failure, disease relapse, on-going transmission, drug resistance, and death. Telemedicine offers a flexible and less invasive option to support TB treatment adherence. Despite 97% internet and smartphone penetration rates, the practical implementation of digital adherence strategies to support and monitor TB treatment remains untested in Malaysia. The investigators propose to design, implement, and measure the effectiveness of a comprehensive, pharmacist-led digital solution for TB treatment support called CARE-TB which combines a package of asynchronous video-observed therapy, digital reminders, telecounselling and e-learning. In this multi-method effectiveness-implementation (Type 2) study using the Exploration, Preparation, Implementation and Sustainment (EPIS) framework, the investigators aim 1) To identify patient and provider-level facilitators and barriers to CARE-TB adoption via qualitative evaluation and to design a stakeholder-informed implementation strategy, (2) To assess effectiveness of CARE-TB strategy by evaluating (i) implementation outcomes, (ii) patient health outcomes, and (iii) service outcomes, and (3) To evaluate the cost-effectiveness of CARE-TB compared to standard of care from a societal perspective. This study will leverage digital platforms to expand the reach of TB adherence support, enhance adherence to TB treatment and improve treatment completion rates, while utilising existing personnel and resources in among the busiest TB treatment centres in the country.
NCT07024836
This study is part of a broader programme of work to develop and pilot a randomised-controlled trial of new tests to identify people who will benefit most from preventive treatment for tuberculosis (TB). The aim of the current study is to explore factors affecting patient decisions to start preventive treatment. The specific objectives are to understand how patients make decisions about preventive treatment initiation for TB (stage 1); and to design and conduct a "discrete choice experiment" survey to further evaluate preferences (stage 2).
NCT06916962
Introduction: Tuberculosis (TB) remains an ongoing public health and socioeconomic challenge worldwide, especially in low- and middle-income countries such as Vietnam. Despite improvements in healthcare, TB still causes significant problems to those infected, especially within marginalized populations, including financial hardship, stigma, and mental health issues. This study aims to assess the effectiveness of a psycho-socioeconomic support intervention intended to improve treatment outcomes and reduce financial hardship faced by TB-affected households in Vietnam, measured through catastrophic costs. Methods: A hybrid type II effectiveness implementation study using a randomized control trial study design will be employed to evaluate the effectiveness and implementation of the intervention. The study will be conducted in 12 Vietnamese provinces across Northern, Central, and Southern regions, targeting areas with lower TB treatment success rates. Participants will be randomly assigned to either a control group, which will receive standard care, or an intervention group, which will receive cash transfers conditioned on participation in TB Club peer-support meetings. Data will be collected on the individual, household and district levels. Individual outcomes will include treatment success, health-related quality of life, TB-related stigma, and anxiety and depression. Household outcomes will include catastrophic cost incurrence, changes in financial capital and livelihoods, and TB service and universal health coverage (UHC) uptake. Implementation outcomes, by district, will include fidelity, satisfaction, participation, acceptability, and quality. Hypothesis: The study hypothesizes that providing financial and enhanced psychosocial support to people with TB will improve their treatment success and reduce the financial burden on TB-affected households.
NCT04243031
Approximately 225 samples, obtained from participants with varying risk factors for TB infection and disease, will be tested using the QFT Access Kit and the comparator device QFT-Plus.
NCT03808636
The purpose of this study is to quantitate the speed of new culture method using 'Tika' media and compare with conventional systems
NCT01875952
The purpose of this study is to determine of once identified to the subjects infected with human immunodeficiency virus (positive VIH), to diagnose latent Tuberculosis, and to treat her with isoniazid for six months, measuring the production of Interferon range pre and posttreatment, to evaluate this way the result of the treatment on the immune response