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Drugs. 1998 Oct;56(4):607-16; discussion 617.


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Adis International Limited, Auckland, New Zealand.

Erratum in

  • Drugs 1999 Apr;57(4):506.


Rifapentine is a rifamycin antibiotic with antimycobacterial activity. Rifapentine is generally more active against Mycobacterium tuberculosis than rifampicin (rifampin), although strains resistant to rifampicin are usually cross-resistant to rifapentine. Sputum culture conversion rates were slightly higher after 6 months of rifapentine- versus rifampicin-based therapy in patients with pulmonary tuberculosis in a Western study; however, relapse rates were higher in rifapentine recipients during follow-up. The excess relapses in the rifapentine group appeared to be related to poor compliance with nonrifamycin antituberculosis drugs during the intensive phase (first 2 months) of therapy. Rifapentine- and rifampicin-containing regimens produced similar sputum culture conversion rates with low rates of relapse in 2 randomised clinical trials in patients with smear-positive tuberculosis in China. In one trial, there was no difference in sputum culture conversion rates in patients treated with rifapentine once weekly or rifampicin twice weekly in combination with isoniazid and ethambutol during the continuation phase of treatment. Hyperuricaemia, which was reported only during the intensive phase, elevated ALT and AST levels and neutropenia were the most common treatment-related adverse events reported in patients receiving rifapentine- or rifampicin-containing regimens for tuberculosis in 1 Western study.

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