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Current Respiratory Medicine Reviews

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ISSN (Print): 1573-398X
ISSN (Online): 1875-6387

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Research Article

Treatment Outcomes of the Standardized Shorter MDR-TB Regimen Under Programmatic Setting: A Retrospective Study from a Tertiary Care Centre, India

Author(s): K.M.P Swathi, M. Somashekar, A. Chakraborty, R. Swapna*, J.S. Akshata and C. Nagaraja

Volume 18, Issue 1, 2022

Published on: 18 January, 2022

Page: [44 - 49] Pages: 6

DOI: 10.2174/1573398X17666211210143240

Price: $65

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Abstract

Background: The shorter regimen was widely accepted and advocated for MDR-TB treatment compared tothe conventional longer regimen. Evaluating the performance of both regimens in a programmatic setting will help in tailoring the treatment regimen of MDR-TB.

Objectives: To estimate the duration of sputum smear conversion in the shorter MDR-TB regimen. 2. To compare the treatment outcomes of the shorter MDR-TB regimen with that of the longer conventional MDR regimen in a programmatic set up in India. 3. To estimate the adverse drug reactions in the shorter MDR-TB regimen.

Methods: A retrospective cross-sectional study was conducted on 320 patients enrolled under programmatic management of drug resistant tuberculosis (PMDT) from April 2017 to May 2019 at a nodal DRTB center and a tertiary care hospital in India. Demographic and clinical characteristics of those who received a shorter MDR-TB regimen were recorded. Treatment outcomes of both regimens were recorded. Treatment success is defined as ‘disease cured and treatment completed’, whereas treatment failure was considered when the treatment was either terminated or changed due to lack of bacteriological conversion at the end of an extended intensive phase or culture reversion in the continuation phase.

Results: The treatment success observed in the shorter MDR-TB regimen was 61.25%, which was significantly higher than the conventional longer regimen (p=0.0007). Treatment failures were higher with a shorter MDR-TB regimen (p=0.0001).

Conclusion: Treatment success with the shorter MDR-TB regimen though higher than the conventional regimen, is still way behind the target treatment success rate. Improving treatment adherence remains pivotal for achieving end TB targets.

Keywords: Alopecia, DRTB, PMDT, relapse, sputum conversion, treatment outcome.

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