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Researchers are evaluating molnupiravir, an oral medicine designed to stop the COVID-19 virus from multiplying, to see if it can prevent severe illness from COVID-19 in people at high risk of disease progression. The study focuses on adults with confirmed COVID-19 infection who are at increased risk due to age, medical conditions, or other factors. This is a Phase 3 randomized, placebo-controlled, double-blind clinical trial led by Merck Sharp & Dohme LLC. Participants will be randomly assigned to receive either molnupiravir or a matching placebo. Those in the molnupiravir group will take 800 mg orally every 12 hours for 5 days, totaling 10 doses. The same dosing schedule applies to the placebo group. Some participants may also receive remdesivir as part of standard care if clinically appropriate. During the study, participants will be monitored for up to 29 days to assess outcomes such as hospitalization, death, or medically attended visits related to COVID-19. Safety will be evaluated by tracking adverse events and discontinuation due to side effects. Researchers will also measure symptom relief, viral RNA levels, and other health indicators. The study is expected to continue until January 2031.

Researchers are evaluating the effectiveness and safety of subcutaneous anifrolumab compared with a placebo in adults with moderate to severe Idiopathic Inflammatory Myopathies IIM, including polymyositis PM and dermatomyositis DM. This phase III, multicenter, randomized, placebo-controlled, and double-blind study aims to assess how adding anifrolumab to standard care affects overall disease activity in these patients. Participants will receive either anifrolumab or a matching placebo as a subcutaneous injection once a week for 52 weeks, alongside their standard of care treatments. After this initial period, all participants will be offered open-label anifrolumab once weekly for an additional 52 weeks, allowing further evaluation of long-term treatment effects. During the study, participants will be monitored through various assessments including muscle strength tests, disease activity scores, corticosteroid usage, and skin severity indexes over 52 weeks. The main outcome measure is the Total Improvement Score response at 52 weeks. Safety and disease activity will be carefully tracked throughout the treatment and follow-up periods, with study participation potentially lasting up to two years.