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Clinical Trial Summary

Multidrug resistant tuberculosis (MDR TB) is a growing problem and few people have access to adequate diagnosis and treatment. The current recommended treatment regimen for MDR TB has a minimum of 20 months duration with high toxicity. Scale up of MDR TB treatment is associated with high default rates, and experience in the Medecins Sans Frontieres (MSF) programme in Uzbekistan shows that the current standard treatment greatly limits the ability to scale up to meet the high rates of MDR TB in the region.

Evidence from Bangladesh in 2010 showed that a 9-month short-course regimen could achieve a relapse-free cure rate of 88%. Several countries in West Africa started implementing similar regimens with similar outcomes. Evidence of effectiveness of this shortened regimen among regions with high second line drug use and resistance is still limited.

The investigators propose an observational study under programmatic conditions to evaluate the effectiveness of a shortened course MDR TB regimen in the high MDR/extensively drug resistant (XDR) TB prevalence and high second-line drug resistance setting of Karakalpakstan, Uzbekistan.


Clinical Trial Description

A prospective observational study has been designed. The study regimen is composed of an intensive phase of at least 4 months duration of Pyrazinamide (Z) + Ethambutol (E) + Isoniazid (H) + Moxifloxacin (Mfx) + Capreomycin (or Kanamycin/Amikacin) (Cm/Km/Am) + Prothionamide (Pto) + Clofazimine (Cfz) and a continuation phase of oral drugs Z-E-Mfx-Pto-Cfz. Patients will be followed up until the end of treatment and during 12 months after treatment completion in order to evaluate the rate of relapse.

Data will be recorded in patient's clinical files and electronic databases and analyzed with Stata 11.0.

This study is a result of ongoing collaboration of MSF with the Ministry of Health in Uzbekistan; results will be shared with the national health authorities, World Health Organization and the rest of the scientific community and aim to influence and improve treatment and care of patients with MDR TB. ;


Study Design

Observational Model: Cohort, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT02496572
Study type Observational
Source Medecins Sans Frontieres
Contact
Status Active, not recruiting
Phase Phase 3
Start date September 2013
Completion date April 2016

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