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Discover 12,991 clinical trials near San Francisco, California. Find research studies in your area.
Showing 5461-5480 of 12,991 trials
NCT00254670
The purpose of this study is to examine drinking behavior and decision-making while taking Naltrexone and placebo. This is a double-blind, randomized, placebo-controlled crossover study. There are two cycles: one cycle on Naltrexone and one cycle on placebo.
NCT05047601
The purpose of this clinical trial is to learn whether the study medicine prevent symptoms of COVID-19 in adults who have been exposed to household member(s) with a confirmed symptomatic COVID-19 infection. All participants in the study will receive treatment for COVID-19 as needed, based on their regular doctor's recommendation. Two-thirds of participants will also receive two study medicines (PF-07321332 and ritonavir) by mouth twice a day for either five or ten days. We will compare the experiences of people receiving the study medicines to those of the people who do not. This will help us determine if the study medicines are safe and effective