Rationale: No studies to date have directly compared the tolerability and efficacy of smoked marijuana and oral dronabinol in HIV+ marijuana smokers. Objectives: The aim of this study was to compare dronabinol (0, 10, 20, 30 mg p.o.) and marijuana [0.0, 1.8, 2.8, 3.9% Δ9 -tetrahydrocannabinol (THC)] in two samples of HIV+ marijuana smokers: those with (n=15) and those without (n=15) a clinically significant loss of muscle mass (<90% body cell mass/height), which is one component of AIDS wasting. Methods: Mood, physical symptoms, self-selected food intake, cardiovascular data, and cognitive task performance were measured before and repeatedly after dronabinol and marijuana administration in eight...
