Drugs / Molnupiravir

Regulatory milestones approvals, filings & regulatory actions · 1 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Refused (EMA) EU (EMA) LAGEVRIO COVID-19 2023-02-24

“CHMP of the European Medicines Agency (EMA) has recommended the refusal of the marketing authorization for LAGEVRIO™ (molnupiravir)” merck.com ↗

Trials 21

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 16 trials · 1 met primary · 1 missed
Phase 1 NCT05818124 Aug 2023 → Jun 2024 influenza Merck Sharp & Dohme LLC Completed Missed primary
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 Met primary
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 · 1 missed
Phase 1/2 NCT04746183 Jul 2020 → Mar 2027 expected COVID-19 University of Liverpool Recruiting Missed primary
Phase 27 trials · 1 met primary · 1 missed
Phase 2 NCT06551844 Apr 2026 → Dec 2029 expected dengue disease 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 Missed primary
Phase 2 NCT05041907 Sep 2021 → Jan 2027 expected COVID-19 University of Oxford Recruiting Mixed
Phase 2 NCT04405570 Jun 2020 → Feb 2021 COVID-19 Ridgeback Biotherapeutics, LP Completed Met primary
Phase 2 NCT04405739 Jun 2020 → Feb 2022 COVID-19 Ridgeback Biotherapeutics, LP Completed No outcome recorded
Phase 2/33 trials · 1 met primary · 1 missed
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 Met primary
Phase 2/3 NCT04575584 Oct 2020 → Aug 2021 COVID-19 Merck Sharp & Dohme LLC Terminated Missed primary Stop: Business
Phase 34 trials · 1 missed
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 Missed primary
Phase 3 NCT04730206 Jun 2021 → Jul 2022 COVID-19 KU Leuven Terminated No outcome recorded Stop: Enrollment
Comparator or background therapy2 trials
Phase 3 NCT05271929 Background Apr 2022 → Jan 2024 COVID-19 German Red Cross Blood Transfusion Service Baden-Württemberg-Hessen Terminated Met primary Stop: Enrollment
Phase 3 NCT04381936 Comparator Mar 2020 → Sep 2028 expected pneumonia University of Oxford Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 33

DateIssuerRelease
2023-06-27 Merck Sharp & Dohme LLC Regulatory Merck and Ridgeback Provide Update on EU Marketing Authorization Application for LAGEVRIO™ (molnupiravir) merck.com ↗
The withdrawal is based on the CHMP’s view that the data submitted are not sufficient to satisfy EU regulatory requirements for marketing authorization of LAGEVRIO.
2023-02-28 MSD R&D (China) Co., Ltd. Results 新型コロナウイルス感染症の曝露後予防としてラゲブリオ®(モルヌピラビル)を評価する 第3相MOVe-AHEAD試験の新たなデータを公表 msd.co.jp ↗
ラゲブリオ ® (モルヌピラビル)が、新型コロナウイルス感染症患者の家庭内接触者における新型コロナウイルス感染症の発症リスクについて、統計学的に有意な減少を示さなかったことを発表しました。
2023-02-24 Merck Sharp & Dohme LLC Regulatory Merck and Ridgeback Provide Update on EU Marketing Authorization Application for LAGEVRIO™ (Molnupiravir) merck.com ↗
Merck and Ridgeback will appeal the decision and request a re-examination of the CHMP’s opinion.
2023-02-21 Merck Sharp & Dohme LLC Results Merck Provides Update on Phase 3 MOVe-AHEAD Trial Evaluating LAGEVRIO™ (molnupiravir) for Post-exposure Prophylaxis for Prevention of COVID-19 merck.com ↗
Merck (NYSE: MRK), known as MSD outside the United States and Canada, today announced that LAGEVRIO™ (molnupiravir) did not demonstrate a statistically significant reduction in the risk of COVID-19 following household exposure to another individual with COVID-19.
2022-10-06 Merck Sharp & Dohme LLC Results Merck and Ridgeback Biotherapeutics Provide Update on New Clinical and Non-Clinical Studies of LAGEVRIO™ (molnupiravir) merck.com ↗
Results from a separate, non-clinical 6-month carcinogenicity study in mice demonstrated that LAGEVRIO was not carcinogenic.
2022-06-13 MSD R&D (China) Co., Ltd. Results Merck & Co., Inc., Rahway, N.J., USAとRidgeback Biotherapeutics、 ラゲブリオ®(モルヌピラビル)の第3相MOVe-OUT試験の新たなデータを公表 事前に設定された探索的評価項目に基づき、ラゲブリオ®を投与した患者では プラセボを投与した患者より急性期治療のための来院の割合が低く 事後解析では呼吸療法(侵襲的人工呼吸管理など)が必要な患者がより少ない結果に msd.co.jp ↗
事前に設定された探索的評価項目の解析で、modified intent-to-treat(MITT)解析対象集団においてラゲブリオ ® を投与した患者では急性期治療のための来院または新型コロナウイルス感染症関連の急性期治療のための来院の割合がMITT解析対象集団でプラセボを投与した患者と比較して低くなりました。
2022-06-07 Merck Sharp & Dohme LLC Results Merck and Ridgeback Announce New Data For Investigational LAGEVRIO™ (molnupiravir) From Phase 3 MOVe-OUT Study merck.com ↗
Merck, known as MSD outside the United States and Canada, and Ridgeback Biotherapeutics today announced the Annals of Internal Medicine has published additional data from the Phase 3 MOVe-OUT trial evaluating LAGEVRIO™ (molnupiravir), an investigational oral antiviral medicine, in non-hospitalized adults with mild to moderate COVID-19 who were at high risk for progressing to severe disease.
2022-04-28 Merck Sharp & Dohme LLC Results Merck Announces First-Quarter 2022 Financial Results merck.com ↗
Results showed that among patients with infectious virus isolated at baseline and for whom post-baseline infectivity data were available, LAGEVRIO was associated with more rapid elimination of infectious SARS-CoV-2 than placebo.
2022-04-11 MSD R&D (China) Co., Ltd. Results Merck & Co., Inc., Kenilworth, N.J., U.S.A.とRidgeback Biotherapeutics、 ラゲブリオ®(モルヌピラビル)がプラセボと比較して 感染性SARS-CoV-2をより速やかに消失させたことを示すデータを公表 msd.co.jp ↗
ベースライン時に感染性ウイルスを分離し、ベースライン後の感染力のデータを得られた被験者において、ラゲブリオ ® はプラセボより感染性ウイルスの消失が速やかでした。
2022-04-01 Merck Sharp & Dohme LLC Results Merck and Ridgeback to Present Data Demonstrating That Treatment With LAGEVRIO™ (molnupiravir) Was Associated With More Rapid Elimination of Infectious SARS-CoV-2 Than Placebo merck.com ↗
In participants with infectious virus isolated at baseline and for whom post-baseline infectivity data were available, molnupiravir was associated with more rapid elimination of infectious virus than placebo.
2022-02-19 Merck Sharp & Dohme LLC Results Merck and Ridgeback Statement on Clinical Trial of Hetero’s Generic Molnupiravir merck.com ↗
We are excited to see that in this clinical trial in more than 1,200 patients in India, generic molnupiravir significantly reduced hospitalizations compared to standard of care alone in patients with mild COVID-19.
2022-02-01 MSD R&D (China) Co., Ltd. Results Merck & Co., Inc., Kenilworth, N.J., U.S.A.とRidgeback Biotherapeuticsが開発する新型コロナウイルス感染症の経口抗ウイルス薬モルヌピラビル、オミクロン株に対する活性がin vitro試験で示される msd.co.jp ↗
Merck & Co., Inc., Kenilworth, N.J., U.S.A.(米国とカナダ以外ではMSD)およびRidgeback Biotherapeuticsは本日、経口抗ウイルス薬として開発しているモルヌピラビルについて、6件の非臨床試験のデータにより、SARS-CoV-2の変異株であるオミクロン株(B1.1.529)に対する活性が in vitro 試験で示されたと発表しました。

All press releases naming this drug 52 releases

DateIssuerRelease

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

NCT04746183 ↗

NCT04730206 ↗

NCT05386758 ↗

NCT04575584 ↗

NCT05648448 ↗

NCT04575597 ↗

NCT05595824 ↗

NCT05559905 ↗

NCT05041907 ↗

NCT04381936 ↗

Show 9 more sources

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