Correspondence: Multidrug-resistant HIV-1 infection despite preexposure prophylaxis.

March 14, 2017 at 7:35 am

N Engl J Med 2017 Feb 2; 376:501

Knox DC et al.

To the Editor:

Preexposure prophylaxis with emtricitabine (FTC)–tenofovir disoproxil fumarate (TDF) has been shown to be efficacious in preventing human immunodeficiency virus type 1 (HIV-1) infection in men who have sex with men and in whom adherence to treatment is high, as measured by levels of tenofovir diphosphate (TFV-DP) in dried blood spots.1 We describe a case of HIV-1 infection despite FTC-TDF–based preexposure prophylaxis.2

A 43-year-old man in Toronto who reported having sex with men began to receive oral daily FTC-TDF in April 2013 and had seven nonreactive fourth-generation HIV screening tests over the next 21 months. Pharmacy dispensation records provided support for his report of “perfect” adherence to preexposure prophylaxis over 24 months……

PDF

http://www.nejm.org/doi/pdf/10.1056/NEJMc1611639

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Entry filed under: Antirretrovirales, HIV/SIDA, HIV/SIDA Prevencion, Infecciones virales, Metodos diagnosticos, Profilaxis Pre-Exposición, REPORTS.

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