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Terminated Phase 2Phase 3 Interventional Results available

Efficacy and Safety of Molnupiravir (MK-4482) in Hospitalized Adult Participants With COVID-19 (MK-4482-001)

ClinicalTrials.gov ID: NCT04575584

Public ClinicalTrials.gov record NCT04575584. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 10:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2/3, Randomized, Placebo-Controlled, Double-Blind Clinical Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of MK-4482 in Hospitalized Adults With COVID-19

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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.

Study identification

NCT ID
NCT04575584
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
304 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 18, 2020
Primary completion
Aug 10, 2021
Completion
Aug 10, 2021
Last update posted
Jan 16, 2023

2020 – 2021

United States locations

U.S. sites
20
U.S. states
14
U.S. cities
20
Facility City State ZIP Site status
Kaiser Foundation Hospital - South Bay ( Site 1832) Harbor City California 90710
Cedars-Sinai Medical Center ( Site 1822) Los Angeles California 90048
University of California Davis Health ( Site 1809) Sacramento California 95817
University Of Florida ( Site 1810) Gainesville Florida 32610
Wellstar Kennestone Hospital ( Site 1801) Marietta Georgia 30060
Loretto Hospital ( Site 1838) Chicago Illinois 60644
LSU-HSC Shreveport ( Site 1824) Shreveport Louisiana 71103
Henry Ford Health System ( Site 1821) Detroit Michigan 48202-2608
University of Mississippi Medical Center ( Site 1846) Jackson Mississippi 39216
University of Nebraska Medical Center ( Site 1835) Omaha Nebraska 68198
University of New Mexico, Health Sciences Center ( Site 1806) Albuquerque New Mexico 87131
Carolinas Medical Center ( Site 1850) Charlotte North Carolina 28203
ECU Adult Specialty Care ( Site 1865) Greenville North Carolina 27834
Sanford Health ( Site 1851) Fargo North Dakota 58122
Temple University ( Site 1836) Philadelphia Pennsylvania 19140
CHRISTUS Institute for Innovation & Advanced Clinical Care ( Site 1864) Corpus Christi Texas 78404
Houston Methodist Hospital ( Site 1863) Houston Texas 77030
Swedish Medical Center ( Site 1812) Edmonds Washington 98026
Valley Medical Center ( Site 1815) Renton Washington 98055
Swedish Medical Center ( Site 1861) Seattle Washington 98122

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 69 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04575584, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 16, 2023 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04575584 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →