Journal Article

Rifamycin-Resistant <i>Mycobacterium tuberculosis</i> 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

Elizabeth R. Jenny-Avital and Kareen Joseph

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 48, issue 10, pages 1471-1474
Published in print May 2009 | ISSN: 1058-4838
Published online May 2009 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1086/598336
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

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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.

Journal Article.  2641 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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