June 30, 2008
A new report has found that exposure to stavudine -- and, to a lesser degree, zidovudine and didanosine -- is linked to an increased risk of new onset diabetes in HIV-positive patients.
Researchers examined data on 33,389 HIV patients enrolled in the D:A:D [Data Collection on Adverse Events of Anti-HIV Drugs] prospective observational study. Diabetes developed in 744 patients, an incidence rate of 5.72 per 1,000 person-years of follow-up. Incidence increased with cumulative exposure to combination antiretroviral therapy. The adjusted relative rate per year of exposure to the therapy, after multivariate analysis, was 1.11.
The strongest association, with an adjusted relative risk per year of exposure of 1.19, was found with stavudine. Increased risk was also noted with zidovudine and didanosine. Ritonavir and nevirapine were associated with reduced risk. While lipodystrophy was associated with diabetes, adjusting for this did not change the relationship with combination antiretroviral treatment.
The full report, "Incidence and Risk Factors for New-Onset Diabetes in HIV-Infected Patients," was published in Diabetes Care (2008;31(6):1224-1229).
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