Taima TB: 3HP Study

Status Completed

Clinical Trial Summary

This phase IV clinical study trial will be conducted among persons who require treatment for LTBI treatment in Iqaluit, Nunavut and Ottawa, Ontario. The primary objective of this study is to compare the proportion of people who complete directly observed prophylactic treatment (DOPT) using the new 3HP regimen to the current standard of 9 months INH.

Clinical Trial Description

The treatment of latent tuberculosis infection (LTBI) is a vital component of the overall strategy to reduce TB in a population. Treatment prevents ongoing transmission in communities by preventing the development of active TB disease. The current international standard for the treatment of LTBI is 9 months of Isoniazid (INH). Adherence to this lengthy regimen is one of the greatest impediments to treatment. A recent multi-centered, multi-national randomized control non inferiority trial with approximately 4,000 patients per arm demonstrated that Rifapentine and INH (3HP) given once weekly for a total of 12 doses was as effective as 9 months (252 doses) of daily INH treatment for LTBI.(1) These findings were also replicated in the pediatric population through a pediatric cohort (n=905 eligible participants) nested within the multi-centered international randomized controlled trial with children between ages 2-17 treated with 3HP compared to the INH standard for LTBI.(2) The efficacy and safety of this new regimen have been established. Rifapentine was approved by the United States Food and Drug Administration (FDA) in December of 2014 for the treatment of LTBI but is not yet approved in Canada. The shortened treatment course could increase the number of people who complete LTBI treatment which could lead to a decrease in active TB cases. ;

Study Design

Related Conditions & MeSH terms

Tuberculosis

Clinical Trial Details

NCT number	NCT02689089
Study type	Interventional
Source	Ottawa Hospital Research Institute
Contact
Status	Completed
Phase	Phase 4
Start date	November 28, 2016
Completion date	August 15, 2019

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