Drugs / Molnupiravir

Trials 21 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 16 trials
Phase 1 NCT05818124 Aug 2023 → Jun 2024 influenza Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT06816030 Jun → Aug 2023 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT06615869 Jan → Feb 2023 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT05386758 Jun 2022 → Feb 2023 impaired renal function disease Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT05386589 Jun → Dec 2022 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 1 NCT04392219 Apr → Aug 2020 Coronaviridae infectious disease Ridgeback Biotherapeutics, LP Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT04746183 Jul 2020 → Mar 2027 expected COVID-19 University of Liverpool Recruiting No outcome recorded
Phase 27 trials
Phase 2 NCT06551844 Apr 2026 → Dec 2029 expected dengue disease, interferon antiviral depressor Oxford University Clinical Research Unit, Vietnam Recruiting No outcome recorded
Phase 2 NCT06488300 Jul 2024 → Jan 2027 expected respiratory syncytial virus infectious disease University of Oxford Recruiting No outcome recorded
Phase 2 NCT05648448 Feb 2023 → Jan 2027 expected influenza University of Oxford Recruiting No outcome recorded
Phase 2 NCT05559905 Nov 2022 → Apr 2023 respiratory syncytial virus infectious disease Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 2 NCT05041907 Sep 2021 → Jan 2027 expected COVID-19 University of Oxford Recruiting No outcome recorded
Phase 2 NCT04405570 Jun 2020 → Feb 2021 COVID-19 Ridgeback Biotherapeutics, LP Completed No outcome recorded
Phase 2 NCT04405739 Jun 2020 → Feb 2022 COVID-19 Ridgeback Biotherapeutics, LP Completed No outcome recorded
Phase 2/33 trials
Phase 2/3 NCT05459532 Aug 2022 → Jul 2023 COVID-19 University of Witwatersrand, South Africa Completed No outcome recorded
Phase 2/3 NCT04575597 Oct 2020 → May 2022 COVID-19 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 2/3 NCT04575584 Oct 2020 → Aug 2021 COVID-19 Merck Sharp & Dohme LLC Terminated No outcome recorded
Phase 34 trials
Phase 3 NCT06667700 Dec 2024 → Jan 2031 expected COVID-19 Merck Sharp & Dohme LLC Recruiting No outcome recorded
Phase 3 NCT05595824 Dec 2021 → Mar 2022 COVID-19 Promomed, LLC Completed No outcome recorded
Phase 3 NCT04939428 Aug 2021 → Nov 2022 COVID-19 Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 3 NCT04730206 Jun 2021 → Jul 2022 COVID-19 KU Leuven Terminated No outcome recorded
Also used as a comparator or background therapy in 2 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 3 NCT05271929 Background Apr 2022 → Jan 2024 COVID-19 German Red Cross Blood Transfusion Service Baden-Württemberg-Hessen Terminated No outcome recorded
Phase 3 NCT04381936 Comparator Mar 2020 → Sep 2028 expected pneumonia University of Oxford Recruiting No outcome recorded

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 27 sources stand behind the page.

FieldValueCited text
Known as Molnupiravir Molnupiravir (MK-4482)” NCT05271929
19

NCT05595824

NCT05648448

NCT06488300

NCT06615869

NCT05818124

NCT05559905

NCT04575584

NCT04381936

NCT04405570

NCT05041907

NCT06551844

NCT04939428

NCT05386758

NCT05386589

NCT04575597

NCT06667700

NCT04730206

NCT04746183

NCT05459532

Known as EIDD-1931 ISOPROPYL ESTER ChEMBL registry synonym — accepted as the source's own label CHEMBL4650320
Known as EIDD-2801 “This was a phase IIa, double-blind, placebo-controlled, randomized trial, designed to compare the safety, tolerability, and antiviral activity of EIDD-2801 (molnupiravir)...” NCT04405570
3

NCT04392219

NCT04746183

NCT04405739

Known as Esperavir “Molnupiravir (Esperavir)” NCT05595824
Known as MK-4482 “Efficacy and Safety of Molnupiravir (MK-4482) in Hospitalized Adult Participants With COVID-19 (MK-4482-001)” NCT04575584
2

“Molnupiravir (MK-4482)” NCT05271929

NCT06816030

Action Inhibit “an orally efficacious ribonucleoside analogue inhibitor of influenza viruses” PMID 33273742 Dec 2020
Modality Small molecule “Molnupiravir is an orally administered, small-molecule ribonucleoside prodrug shown to inhibit replication of severe acute respiratory syndrome coronavirus 2” PMID 38319179 Dec 2021
Route Oral oral antivirals” PMID 40383127 May 2025