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oa Central African Journal of Medicine - Effects of two pulmonary tuberculosis drug treatments and acetylator status on liver function in a Zimbabwean population

Volume 36, Issue 4
  • ISSN : 0008-9176

 

Abstract

In Zimbabwe patients with pulmonary tuberculosis who are acid-fast bacilli (AFB) negative in the sputum are treated in the two month intensive phase with isoniazid, thiacetazone pyrazinamide and streptomycin (regimen A). Sputum positive patients receive regimen A plus rifampicin (regimen B). Both groups continue treatment with isoniazid and thiacetazone. Liver function tests results (alanine animotransferase and alkaline phosphatase) showed a persisting rise during the intensive phase on both regimens, and further rise after four weeks in the continuation phase, this further rise reaching statistical significance in regimen B. These results are unexpected when compared to other studies but the regimens under investigation are not used elsewhere. The significant rise after stopping intensive therapy in regimen B suggests some protective effect of rifampicin against the hepatotoxicity of the regimen, possibly the isoniazid/thiacetazone component. Acetylator status did not influence the degree of hepatotoxicity.

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/content/CAJM/36/4/AJA00089176_404
1990-04-01
2019-12-11

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