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

Daiichi Sankyo
NCT IDNCT06244485ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

210

Study length

about 4.7 years

Ages

18+

Locations

20 sites in CA, FL, HI +10

What this study is about

Researchers are testing a treatment with valemetostat tosylate and DXd ADCs for people with advanced solid tumors. The trial will start with a dose-escalation phase to determine the best dosage, followed by a dose-expansion phase to further evaluate safety and tolerability.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take Dato-DXd
  • 2.Take T-DXd
  • 3.Take Valemetostat tosylate

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Endpoints

Primary: Number of Participants Reporting Treatment-emergent Adverse Events (Part 1 Dose Escalation), Objective Response Rate Based on Investigator Assessment (Part 2 Dose Expansion)

Secondary: Duration of Response (DoR), Number of Participants Reporting Treatment-emergent Adverse Events (Part 2 Dose Expansion), Objective Response Rate Based on Investigator Assessment (Part 1 Dose Escalation), Overall Survival, Progression-free Survival

Body systems

Oncology