Gender Differences in Antiretroviral Drug–Related Adipose Tissue Alterations

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Abstract
Adipose tissue alterations (ATAs) were clinically assessed in 2258 HIV-1-infected outpatients consecutively observed in 6 Italian clinical centers and were found to be present in 29.5% of the men and 41.9% of the women. A logistic regression model including age, HIV disease Centers for Disease Control stage, CD4 cell counts, HIV RNA load, the duration of antiretroviral therapy, the number of drugs taken, and the use of d4T showed that men had a 0.47 adjusted risk of presenting with ATAs (95% CI: 0.38-0.58, P < 0.0001). The risks of having ATAs (except circumscribed lipomas) in any body region, presenting with fat accumulation, or being affected by combined forms of ATA were also lower in men, whereas the risk of developing pure lipoatrophy was similar in the 2 genders. Our results indicate that women are at higher risk of developing antiretroviral treatment-related ATAs and show a particular and complex ATA pattern.