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ClinicalTrials.gov public records Last synced Sep 2, 2026, 5:22 AM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Valemetostat Clear all
Active, not recruiting Phase 2 Interventional Results available

Valemetostat Tosylate (DS-3201b), an Enhancer of Zeste Homolog (EZH) 1/2 Dual Inhibitor, for Relapsed/Refractory Peripheral T-Cell Lymphoma (VALENTINE-PTCL01)

NCT04703192
View directory record Official record
Conditions
Relapsed/Refractory Peripheral T-Cell Lymphoma, Adult T Cell Leukemia/Lymphoma
Interventions
Valemetostat Tosylate
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
14
States / cities
Duarte, California • Palo Alto, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Recruiting Phase 1 Interventional

A Study of Valemetostat in Combination With Atezolizumab in People With Lung Cancer

NCT06807632
View directory record Official record
Conditions
Extensive-stage Small-cell Lung Cancer
Interventions
Valemetostat, Atezolizumab
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Phase 1/2, Open-label Study of Valemetostat in Combination With Rituximab and Lenalidomide in Relapsed or Refractory Follicular Lymphoma

NCT05683171
View directory record Official record
Conditions
Lymphoma
Interventions
Rituximab, Lenalidomide, Valemetostat
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Study of Valemetostat Tosylate (DS-3201b) With Atezolizumab and Bevacizumab in HCC

NCT06294548
View directory record Official record
Conditions
Hepatocellular Carcinoma
Interventions
Valemetostat, Atezolizumab, Bevacizumab
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Active, not recruiting Phase 1 Interventional

DS3201 and Ipilimumab for the Treatment of Metastatic Prostate, Urothelial and Renal Cell Cancers

NCT04388852
View directory record Official record
Conditions
Aggressive Variant Prostate Carcinoma, Castration-Resistant Prostate Carcinoma, Metastatic Clear Cell Renal Cell Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Prostate Carcinoma, Metastatic Urothelial Carcinoma, Stage IV Prostate Cancer AJCC v8, Stage IV Renal Cell Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8, Stage IVB Prostate Cancer AJCC v8
Interventions
Ipilimumab, Valemetostat
Biological · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Recruiting Phase 1 Interventional

A Study of Valemetostat (DS-3201b) in Combination With Darolutamide in Metastatic Castration Resistant Prostate Cancer (mCRPC)

NCT07244341
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
Valemetostat, Darolutamide
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
9
States / cities
La Jolla, California • Boston, Massachusetts • Newton, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study of Valemetostat Tosylate Plus Pembrolizumab Versus Pembrolizumab Alone in First-Line NSCLC Without Actionable Genomic Alterations

NCT06644768
View directory record Official record
Conditions
Non-small Cell Lung Cancer, Lung Cancer
Interventions
valemetostat tosylate, pembrolizumab
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
11
States / cities
La Jolla, California • Los Angeles, California • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Study of Front Line Pembrolizumab and Valemetostat in PD-L1 Positive, HPV-Negative Recurrent/Metastatic Squamous Cell Carcinoma (SCC) of the Head and Neck: The PANTHERAS

NCT05879484
View directory record Official record
Conditions
Sinonasal Cancer, Squamous Non-small Cell Lung Cancer, Lung Cancer, Head and Neck Squamous Cell Carcinoma, Head and Neck Carcnimona, Head and Neck Cancer
Interventions
pembrolizumab, valemetostat
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Sep 2, 2026, 5:22 AM EDT
Recruiting Phase 2 Interventional

Targeted Treatment for Metastatic Prostate Cancer, The PREDICT Trial

NCT06632977
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Genetic testing, Valemetostat Tosylate, Magnetic Resonance Imaging, Computed Tomography, Bone scan, FDG-Positron Emission Tomography, PSMA PET Scan, Biospecimen Collection, Carboplatin, Cabazitaxel, Abiraterone Acetate, Enzalutamide, Lutetium Lu 177 Vipivotide Tetraxetan
Other · Drug · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
108
States / cities
Birmingham, Alabama • Tucson, Arizona • Chico, California + 91 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Active, not recruiting Phase 1 Interventional

Phase 1b Study of EZH1/2 Inhibitor Valemetostat in Combination With Trastuzumab Deruxtecan in Subjects With HER2 Low/Ultra-low/Null Metastatic Breast Cancer

NCT05633979
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab deruxtecan, Valemetostat
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Active, not recruiting Phase 1 Interventional

A Study of Valemetostat Tosylate in Combination With DXd ADCs in Subjects With Solid Tumors

NCT06244485
View directory record Official record
Conditions
Advanced Solid Tumor
Interventions
Valemetostat tosylate, T-DXd, Dato-DXd
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
17
States / cities
Irvine, California • San Diego, California • Plantation, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 2, 2026, 5:22 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

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
View directory record Official record
Conditions
Lymphoma, Non-Hodgkin
Interventions
CC-99282, Rituximab, Obinutuzumab, Tafasitamab, Valemetostat
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years and older
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
8
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Tampa, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 2, 2026, 5:22 AM EDT