Abstract
Gender-based differences in lipids have been noted in antiretroviral clinical trials. We present the metabolic and anthropometric data from the GRACE (Gender, Race And Clinical Experience) study by gender. Treatment-experienced adults received darunavir/ritonavir (DRV/r) 600/100 mg twice daily, plus a background regimen, over 48 weeks. Fasting blood samples were obtained for lipid, glucose, and insulin measurements at baseline and at weeks 24 and 48/early discontinuation. Anthropometric measurements were taken at baseline and at weeks 12, 24, and 48/discontinuation. The Assessment of Body Change and Distress questionnaire was administered at baseline and regular intervals. Descriptive statistics as well as comparisons using a Wilcoxon rank-sum test are reported. Four hundred twenty-nine patients (women, n=287; men, n=142) enrolled in GRACE; 94 women (32.8%) and 33 men (23.2%) discontinued the trial. Median changes in triglycerides from baseline to week 48 were higher in men (25 mg/dL versus 8 mg/dL; p=0.006); the mean change in triglycerides was higher in men than in women in all racial subgroups. Other lipid and glucose level changes were similar between genders. Anthropometric parameters increased for both genders, with larger increases in women. Patients' perceptions of body changes concurred with physical measurements. The proportion of women who were “satisfied” or “very satisfied” with their bodies increased from 45.2% to 57.8% from baseline to week 48 (p=0.005), while the proportion of men who were “satisfied” or “very satisfied” with their bodies increased from 56.3% to 61.5% from baseline to week 48 (p=0.317). DRV/r-based therapy was associated with small to moderate changes in metabolic parameters, and few between-gender differences were observed. Levels of self-reported, body-related distress improved for women and men over 48 weeks.
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