Jenny-Avital ER, Joseph K
Rifamycin-Resistant Mycobacterium tuberculosis in the Highly Active Antiretroviral Therapy Era: A Report of 3 Relapses with Acquired Rifampin Resistance following Alternate-Day Rifabutin and Boosted Protease Inhibitor Therapy. [JOURNAL ARTICLE]
Clin Infect Dis 2009 Apr 14.
Rifamycin-resistant Mycobacterium tuberculosis infection (i.e., by a strain of M. tuberculosis that is only resistant to rifamycins) occurs disproportionately among patients infected with the human immunodeficiency virus (HIV) who have a low CD4 cell count. We observed 3 genetically confirmed cases of relapse with rifamycin-resistant M. tuberculosis infection following concurrent treatment with rifabutin (dosage, 150 mg every other day) and a ritonavir-boosted HIV protease inhibitor during a prior episode of drug-susceptible tuberculosis. Higher doses of rifabutin and a ritonavir-boosted HIV protease inhibitor as treatment for tuberculosis should be studied further.
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