Valemetostat clinical trials
Valemetostat is named as an intervention in 3 current clinical trials in our USA, China, France, Spain, Japan, Brazil, Ireland, Australia, UK, Italy, Belgium, Denmark, Austria, Canada, South Korea and Israel registers. 1 is recruiting patients now. The most common phase is Phase 1/2. The sponsor with the most trials is Daiichi Sankyo (2). The most-studied condition is Metastatic Castration-resistant Prostate Cancer.
How Valemetostat works
All drug targets →- CancerPhase 1/2
- Diffuse large B-cell lymphomaPhase 1/2
- Follicular lymphomaPhase 1/2
- Head and neck squamous cell carcinomaPhase 1/2
- Lung cancerPhase 1/2
- Nasal cavity and paranasal sinus carcinomaPhase 1/2
- Non-Hodgkin lymphomaPhase 1/2
- Non-small cell lung carcinomaPhase 1/2
- Acute myeloid leukemia by FAB classificationPhase 1
- Breast cancerPhase 1
Mechanisms and diseases from ChEMBL via the Open Targets Platform (release 26.09), ChEMBL record CHEMBL4597193, CC BY-SA 3.0. Targets checked against the IUPHAR/BPS Guide to PHARMACOLOGY (2026.3.1), ligand 12282, 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 Valemetostat
The package leaflet is the official guide for patients that comes with every medicine. These links go to the regulators that publish it.
- UKUnited Kingdom: Search MHRA ProductsPatient information leaflets and SmPCs for UK-licensed products.
- USUnited States: Search DailyMedFDA-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
Trials by phase
Clinical trials of Valemetostat
3 trials| Study | Phase | Status | Lead sponsor | Registers |
|---|---|---|---|---|
|
A Study of Valemetostat (DS-3201b) in Combination With Darolutamide in Metastatic Castration Resistant Prostate Cancer (mCRPC)
NCT07244341 · Metastatic Castration-resistant Prostate Cancer
|
Phase 1 | Recruiting | Daiichi Sankyo | Ireland, USA, China, France, Spain, Japan, Australia |
|
A Safety and Preliminary Efficacy Study of CC-99282, Alone and in Combination With Anti-lymphoma Agents in Participants With Relapsed or Refractory Non-Hodgkin Lymphomas (R/R NHL)
NCT03930953 · Lymphoma, Non-Hodgkin
|
Phase 1/2 | Active, closed | Celgene | UK, USA, China, France, Spain, Italy, Belgium, Denmark, Austria, Canada, Brazil, South Korea, Israel |
|
A Study of Valemetostat Tosylate Plus Pembrolizumab Versus Pembrolizumab Alone in First-Line NSCLC Without Actionable Genomic Alterations
NCT06644768 · Non-small Cell Lung Cancer, Lung Cancer
|
Phase 1/2 | Active, closed | Daiichi Sankyo | USA, China, Brazil, Japan |
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.
Conditions studied with Valemetostat
4 conditionsSponsors
lead sponsor per trial| Lead sponsor | Trials |
|---|---|
| Daiichi Sankyo | 2 |
| Celgene | 1 |
By country register
A trial with sites in more than one country appears in each of those registers.
Related compounds
Questions about Valemetostat trials
How many clinical trials are testing Valemetostat?
3 current trials in our USA, China, France, Spain, Japan, Brazil, Ireland, Australia, UK, Italy, Belgium, Denmark, Austria, Canada, South Korea and Israel registers name Valemetostat (also registered as DS-3201) as a drug or biological intervention, as of the registry sync on 10 November 2026. Completed and withdrawn studies are not counted.
Are Valemetostat trials recruiting patients?
Yes. 1 of the 3 trials is recruiting: 1 with sites in USA, 1 with sites in China, 1 with sites in France, 1 with sites in Spain, 1 with sites in Japan, 1 with sites in Ireland and 1 with sites in Australia. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.
Who sponsors Valemetostat clinical trials?
Daiichi Sankyo (2) and Celgene (1). The number in brackets is how many trials each organisation leads.
Are there Valemetostat clinical trials in Ireland?
Yes. 1 trial 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 Valemetostat works or whether it is effective, and it is not medical advice.
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 Valemetostat works or whether it is effective. Each trial links to its own record so you can check it yourself.
- ClinicalTrials.gov (U.S. National Library of Medicine) ↗ Trial IDs, titles, intervention names and synonyms, phase, overall status, lead sponsor and conditions for every trial on this page
This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists Valemetostat (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 10 Nov 2026. How every register is built: methodology · fixes we have made: corrections log.