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OBJECTIVE: To assess and compare alternative approaches of measuring preference-based health-related quality of life (HRQoL) in treatment-experienced HIV patients and evaluate their association with health status and clinical variables. DESIGN: Cross-sectional study. SETTING: Twenty-eight Veterans Affairs hospitals in the United States, 13 hospitals in Canada, and 8 hospitals in the United Kingdom. PATIENTS: Three hundred sixty-eight treatment-experienced HIV-infected patients enrolled in the Options in Management with Antiretrovirals randomized trial. MEASUREMENTS: Baseline sociodemographic and clinical indicators and baseline HRQoL using the Medical Outcome Study HIV Health Survey (MOS-HIV), the EQ-5D, the EQ-5D visual analog scale (EQ-5D VAS), the Health Utilities Index Mark 3 (HUI3), and standard gamble (SG) and time trade-off (TTO) techniques. RESULTS: The mean (SD) baseline HRQoL scores were as follows: MOS-HIV physical health summary score 41.70 (11.16), MOS-HIV mental health summary score 44.76 (11.38), EQ-5D 0.77 (0.19), HUI3 0.59 (0.32), EQ-5D VAS 65.94 (21.71), SG 0.75 (0.29), and TTO 0.80 (0.31). Correlations between MOS-HIV summary scores and EQ-5D, EQ-5D VAS, and HUI3 ranged from 0.60 to 0.70; the correlation between EQ-5D and HUI3 was 0.73; and the correlation between SG and TTO was 0.43. Preference-based HRQoL scores were related to physical, mental, social, and overall health as measured by MOS-HIV. Concomitant medication use, CD4 cell count, and HIV viral load were related to some instruments' scores. CONCLUSIONS: On average, preference-based HRQoL for treatment-experienced HIV patients was decreased relative to national norms but also highly variable. Health status and clinical variables were related to HRQoL.

In most studies, people who have not responded virologically to a protease inhibitor (PI)-containing regimen have tended to experience poor virologic responses to subsequent regimens. We describe the 2-year viral load, CD4 count, and clinical outcome of a multidrug regimen used in 60 people who had not responded virologically to a PI-containing regimen. At baseline, median CD4 count was 126/mm 3 (nadir 30/mm 3 ) and median viral load was 320,000 copies/mL. A median of five antiretroviral drugs had previously been used, of which a median of two were PIs. Of these patients, 16% had previously used another nonnucleoside reverse transcriptase inhibitor besides efavirenz. The multidrug regimen (median 5 drugs) started most commonly included efavirenz (100%), at least one PI (92%, usually indinavir/ritonavir), didanosine (78%), and hydroxyurea (74%). At year 2, 5 patients had died and 5 had no measure available. Nine patients developed a new AIDS event and 10 patients were known to have stopped all antiretroviral therapy. Thirty-one patients (52% of the whole group, 72% of those remaining on therapy with viral load value available) had viral load