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Priya Life Science Compound trial record
Compound · clinical trials

Opevesostat clinical trials

Also listed in trial records as MK-5684, ODM-208
Source: ClinicalTrials.gov, U.S. National Library of Medicine — the 6 trials in our UK, USA, France, Spain, Turkey, Canada, Taiwan, Ireland, Germany, Italy, South Korea, Australia, Israel, Brazil, China, Poland, Japan, Singapore, Denmark, Netherlands, Sweden, Czechia, Mexico, Austria, Norway and Portugal registers that name Opevesostat as an intervention. Synced 9 Nov 2026
6Current trials
4Recruiting now
2Lead sponsors
26Country registers
At a glance

Opevesostat is named as an intervention in 6 current clinical trials in our UK, USA, France, Spain, Turkey, Canada, Taiwan, Ireland, Germany, Italy, South Korea, Australia, Israel, Brazil, China, Poland, Japan, Singapore, Denmark, Netherlands, Sweden, Czechia, Mexico, Austria, Norway and Portugal registers. 4 are recruiting patients now. The most common phase is Phase 1/2. The sponsor with the most trials is Merck Sharp & Dohme LLC (5). The most-studied condition is Prostate Cancer Metastatic.

How Opevesostat works

All drug targets →
Diseases it has been tested for in clinical trials, by furthest phase
  • Prostate cancerPhase 3
  • Breast cancerPhase 2
  • Endometrial cancerPhase 2
  • Ovarian cancerPhase 2

Mechanisms and diseases from ChEMBL via the Open Targets Platform (release 26.09), ChEMBL record CHEMBL5314533, CC BY-SA 3.0. Targets checked against the IUPHAR/BPS Guide to PHARMACOLOGY (2026.3.1), ligand 13856, CC BY-SA 4.0. Trial phases are not approvals: approved uses are shown from the regulators' own records where we hold them.

Patient leaflets for Opevesostat

The package leaflet is the official guide for patients that comes with every medicine. These links go to the regulators that publish it.

  • UK
    United Kingdom: Search MHRA Products
    Patient information leaflets and SmPCs for UK-licensed products.
  • US
    United States: Search DailyMed
    FDA-approved labels, including patient and medication guides.

Leaflets differ between brands and countries; always read the one that comes with your own medicine. This is regulatory information, not medical advice.

Trials by status

  • Recruiting467%
  • Active, closed233%

Trials by phase

  • Phase 1/2350%
  • Phase 3233%
  • Phase 2117%
01

Clinical trials of Opevesostat

6 trials
StudyPhaseStatusLead sponsorRegisters
Study of Opevesostat (MK-5684) Versus Alternative NHA in mCRPC (MK-5684-003)
NCT06136624 · Prostate Cancer Metastatic
Phase 3 Recruiting Merck Sharp & Dohme LLC Ireland, UK, USA, China, Germany, France, Spain, Italy, Netherlands, Sweden, Denmark, Poland, Austria, Czechia, Norway, Turkey, Canada, Brazil, Mexico, Japan, South Korea, Taiwan, Singapore, Australia, Israel
A Study of Opevesostat (MK-5684) Versus Alternative Next-generation Hormonal Agent (NHA) in Metastatic Castration-resistant Prostate Cancer (mCRPC) Post One NHA (MK-5684-004)
NCT06136650 · Metastatic Castration-resistant Prostate Cancer (mCRPC), Prostatic Neoplasms
Phase 3 Recruiting Merck Sharp & Dohme LLC Ireland, UK, USA, China, Germany, France, Spain, Italy, Sweden, Czechia, Portugal, Turkey, Canada, Brazil, Mexico, Japan, South Korea, Taiwan, Singapore, Australia, Israel
A Study of MK-5684 in People With Certain Solid Tumors (MK-5684-015/OMAHA-015)
NCT06979596 · Malignant Neoplasm
Phase 2 Recruiting Merck Sharp & Dohme LLC UK, USA, Spain, Turkey, Canada, Brazil, Taiwan, Singapore
A Clinical Study of Ifinatamab Deruxtecan Based Treatment Combinations or as Monotherapy to Treat Metastatic Castrate Resistant Prostate Cancer (mCRPC) (MK-2400-01A/IDeate-Prostate02)
NCT06863272 · Castration-Resistant Prostatic Cancer, Metastasis
Phase 1/2 Recruiting Merck Sharp & Dohme LLC Ireland, UK, USA, Germany, France, Spain, Italy, Netherlands, Poland, Turkey, Canada, Brazil, South Korea, Taiwan, Australia, Israel
Safety and Pharmacokinetics of ODM-208 in Patients With Metastatic Castration-resistant Prostate Cancer
NCT03436485 · Prostate Cancer Metastatic
Phase 1/2 Active, closed Orion Corporation, Orion Pharma UK, USA, France
Substudy 01A: Safety and Efficacy of Opevesostat (MK-5684)-Based Treatment Combinations or Opevesostat Alone in Participants With Metastatic Castration-resistant Prostate Cancer (mCRPC) (MK-5684-01A)
NCT06353386 · Prostatic Neoplasms, Castration-Resistant
Phase 1/2 Active, closed Merck Sharp & Dohme LLC Ireland, UK, USA, China, Germany, France, Spain, Italy, Denmark, Poland, Turkey, Canada, Japan, South Korea, Taiwan, Australia, Israel

Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.

02

Conditions studied with Opevesostat

7 conditions
Prostate Cancer Metastatic2Prostatic Neoplasms, Castration-Resistant1Castration-Resistant Prostatic Cancer1Metastasis1Metastatic Castration-resistant Prostate Cancer (mCRPC)1Prostatic Neoplasms1Malignant Neoplasm1
05

Related compounds

06

Questions about Opevesostat trials

How many clinical trials are testing Opevesostat?

6 current trials in our UK, USA, France, Spain, Turkey, Canada, Taiwan, Ireland, Germany, Italy, South Korea, Australia, Israel, Brazil, China, Poland, Japan, Singapore, Denmark, Netherlands, Sweden, Czechia, Mexico, Austria, Norway and Portugal registers name Opevesostat (also registered as MK-5684) as a drug or biological intervention, as of the registry sync on 9 November 2026. Completed and withdrawn studies are not counted.

Are Opevesostat trials recruiting patients?

Yes. 4 of the 6 trials are recruiting: 4 with sites in UK, 4 with sites in USA, 3 with sites in France, 4 with sites in Spain, 4 with sites in Turkey, 4 with sites in Canada, 4 with sites in Taiwan, 3 with sites in Ireland, 3 with sites in Germany, 3 with sites in Italy, 3 with sites in South Korea, 3 with sites in Australia, 3 with sites in Israel, 4 with sites in Brazil, 2 with sites in China, 2 with sites in Poland, 2 with sites in Japan, 3 with sites in Singapore, 1 with sites in Denmark, 2 with sites in Netherlands, 2 with sites in Sweden, 2 with sites in Czechia, 2 with sites in Mexico, 1 with sites in Austria, 1 with sites in Norway and 1 with sites in Portugal. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.

Who sponsors Opevesostat clinical trials?

Merck Sharp & Dohme LLC (5) and Orion Corporation, Orion Pharma (1). The number in brackets is how many trials each organisation leads.

Are there Opevesostat clinical trials in Ireland?

Yes. 4 trials in our Ireland register (ClinicalTrials.gov). Some may be the same study registered in both. See the Irish clinical trials register for sites and contacts.

Where does this information come from?

Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how Opevesostat works or whether it is effective, and it is not medical advice.

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How this page is built

Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how Opevesostat works or whether it is effective. Each trial links to its own record so you can check it yourself.

This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists Opevesostat (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 9 Nov 2026. How every register is built: methodology · fixes we have made: corrections log.

Please verify before you rely on this. This page is general information for life-science and pharmaceutical professionals. It is not medical advice, and it has not been reviewed by a clinician — our editorial team holds life-science qualifications, not clinical ones. It is not exhaustive and may not reflect the most recent label change. Always check the official prescribing information (US Prescribing Information or EU SmPC) and speak to your doctor or pharmacist before acting on anything here. Drugs in the same class are not automatically interchangeable, and approvals, brand names and indications differ between the US, the EU/Ireland (EMA/HPRA) and other regions. Spotted an error? Tell us — we correct promptly and log it.