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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 Oct 31, 2026, 2:30 AM 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 19, 2020 (Actual)
Primary completion
Aug 11, 2021 (Actual)
Completion
Aug 11, 2021 (Actual)
Last update posted
Jan 17, 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 17, 2023 · Synced Oct 31, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04575584 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →