This study was intended to include two parts: Part 1 was a dose-ranging phase 2 study, and Part 2 was a phase 3 study to evaluate the dose selected in Part 1. However, this study was terminated due to business reasons prior to conducting Part 2. Participants in Part 1 were followed until Month 7.
This study aims to evaluate the safety, tolerability and efficacy of molnupiravir (MK-4482) compared to placebo. The primary hypothesis is that molnupiravir is superior to placebo as assessed by the rate of sustained recovery through Day 29.