Journal Article

Does Trimethoprim-Sulfamethoxazole Prophylaxis for HIV Induce Bacterial Resistance to Other Antibiotic Classes?: Results of a Systematic Review

Euphemia L. Sibanda, Ian V.D. Weller, James G. Hakim and Frances M. Cowan

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 52, issue 9, pages 1184-1194
Published in print May 2011 | ISSN: 1058-4838
Published online May 2011 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1093/cid/cir067

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Background. Trimethoprim-sulfamethoxazole (TMP-SMX) prophylaxis has long been recommended for immunosuppressed HIV-infected adults and children born to HIV-infected women. Despite this, many resource-limited countries have not implemented this recommendation, partly because of fear of widespread antimicrobial resistance not only to TMP-SMX, but also to other antibiotics. We aimed to determine whether TMP-SMX prophylaxis in HIV-infected and/or exposed individuals increases bacterial resistance to antibiotics other than TMP-SMX.

Methods. A literature search was conducted in Medline, Global Health, Embase, Web of Science, ELDIS, and ID21.

Results. A total of 501 studies were identified, and 17 met the inclusion criteria. Only 8 studies were of high quality, of which only 2 had been specifically designed to answer this question. Studies were classified as (1) studies in which all participants were infected and/or colonized and in which rates of bacterial resistance were compared between those taking or not taking TMP-SMX and (2) studies comparing those who had a resistant infection with those who were not infected. Type 1 studies showed weak evidence that TMP-SMX protects against resistance. Type 2 studies provided more convincing evidence that TMP-SMX protects against infection.

Conclusion. There was some evidence that TMP-SMX prophylaxis protects against resistance to other antibiotics. However, more carefully designed studies are needed to answer the question conclusively.

Journal Article.  5022 words.  Illustrated.

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

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