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Completed Phase 2Phase 3 Interventional Results available

Efficacy and Safety of Molnupiravir (MK-4482) in Non-Hospitalized Adult Participants With COVID-19 (MK-4482-002)

ClinicalTrials.gov ID: NCT04575597

Public ClinicalTrials.gov record NCT04575597. 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 3, 2026, 7:39 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 Non-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 percentage of participants who are hospitalized and/or die through Day 29

Study identification

NCT ID
NCT04575597
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
1,735 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
May 4, 2022
Completion
May 4, 2022
Last update posted
Jun 27, 2023

2020 – 2022

United States locations

U.S. sites
32
U.S. states
15
U.S. cities
30
Facility City State ZIP Site status
Phoenix Medical Group ( Site 1822) Peoria Arizona 85381
Ruane Clinical Research Group, Inc. ( Site 2406) Los Angeles California 90036
Men's Health Foundation ( Site 1820) Los Angeles California 90069
Carbon Health Technologies Inc ( Site 2505) North Hollywood California 91606
UC Davis Medical Center ( Site 1833) Sacramento California 95817
Emerson Clinical Research Institute ( Site 1828) Washington D.C. District of Columbia 20011
JEM Research Institute ( Site 2508) Atlantis Florida 33462
Midway Immunology and Research Center ( Site 1837) Ft. Pierce Florida 34982
Indago Research & Health Center, Inc ( Site 1809) Hialeah Florida 33012
Advanced Research For Health Improvement LLC ( Site 1816) Immokalee Florida 34142
Advanced Medical Research, LLC ( Site 1864) Miami Florida 33174
Advanced Research For Health Improvement LLC ( Site 1813) Naples Florida 34102
Bliss Healthcare Services ( Site 1847) Orlando Florida 32806
Javara Inc. ( Site 1869) Albany Georgia 31707
IACT Health ( Site 1818) Columbus Georgia 31904
Javara Inc. ( Site 1868) Fayetteville Georgia 30214
Loretto Hospital ( Site 1886) Chicago Illinois 60644
Jadestone Clinical Research, LLC ( Site 2502) Laurel Maryland 20708
Michigan Center of Medical Research ( Site 2500) Farmington Hills Michigan 48334
University of Nebraska Medical Center ( Site 2414) Omaha Nebraska 68198
Amici Clinical Research LLC ( Site 2507) Raritan New Jersey 08869
University of New Mexico, Health Sciences Center ( Site 1819) Albuquerque New Mexico 87131
AXCES Research Group ( Site 2418) Santa Fe New Mexico 87505
Saint Hope Foundation, Inc. ( Site 1830) Bellaire Texas 77401
The Crofoot Research Center, Inc. ( Site 1812) Houston Texas 77098
Javara Inc. ( Site 1866) Sugar Land Texas 77478
Clinical Research Partners, LLC. ( Site 2503) Richmond Virginia 23226
Swedish Medical Center First Hill ( Site 1807) Seattle Washington 98104
Fred Hutchinson Cancer Center ( Site 1829) Seattle Washington 98109
Multicare Health System ( Site 1811) Spokane Washington 99204
Multicare Health System ( Site 1814) University Place Washington 98466
Medical College Of Wisconsin ( Site 2510) Milwaukee Wisconsin 53226

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 141 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04575597, 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 Jun 27, 2023 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04575597 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →