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NCT07221214
The goal of this clinical trial is to learn if the drug semaglutide works to reduce alcohol intake among adults living with HIV. The main questions it aims to answer are: 1. Does semaglutide lower the average number of alcoholic beverages participants drink per week? 2. Does semaglutide lower the average number of cigarettes participants smoke per day? 3. Does semaglutide decrease the risk for cardiovascular disease among people living with HIV who drink alcohol and/or smoke tobacco? Researchers will compare the effects of semaglutide to a placebo (a look-alike substance that contains no drug) to see if semaglutide works to lower the alcohol intake among participants each week. Participants will: 1. Take semaglutide for 3 months 2. Visit the research clinic 3 times for checkups and tests 3. Provide blood samples, stool samples, and saliva samples for tests.
NCT07214168
The study aims to recruit 100 current cigarette smokers (50 young adults ages 21-34; 50 older adults ages 35-65) who have tried vaping or are currently vaping (dual users). The study will examine the trajectories in tobacco use (cigarettes and/or ENDS), including the nuanced differences in ENDS use (i.e., detailed device characteristics, user preferences, patterns of use), according to smoker age group.