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Valemetostat Tosylate (DS-3201b) Phase 2 study in relapsed or refractory adult T-cell leukemia/lymphoma

A phase 2, multicenter, open-label, single-arm study of Valemetostat Tosylate (DS-3201b) in patients with relapsed or refractory adult T-cell leukemia/lymphoma

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080224880
Enrollment
25
Registered
2019-09-19
Start date
2019-11-05
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Adult T-cell leukemia/lymphoma: ATL

Interventions

investigational material(s) Generic name etc : Valemetostat tosylate INN of investigational material : Valemetostat tosylate Therapeutic category code : 429 Other antitumor agents Dosage and Administr

Sponsors

DAIICHI SANKYO Co.,Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Patients with relapsed or refractory ATL who have history of treatment with mogamulizumab or are mogamulizumab intolerant, contraindication after treatment with at least 1 medication regimen. - Aged >=20 years or older at the time of signing the informed consent. - Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0-2. - At least 1 evaluable lesion - Subject who has defined laboratory criteria - Life expectancy >= 3 months.

Exclusion criteria

Exclusion criteria: - A presence of central nervous system involvement at the time of screening tests. - Have poorly controlled complication (ex. Chronic congestive heart failure, unstable angina) - >= Grade 3 neuropathy. - QTcF >470 ms - Has an uncontrolled infection. - Subject who use of corticosteroids over 10 mg/day - Receipt of allogeneic hematopoietic stem cell transplantation. - History of, or concurrent, malignant tumors.

Design outcomes

Primary

MeasureTime frame
efficacy ORR assessed by central evaluation organization

Secondary

MeasureTime frame
safety efficacy pharmacokinetics pharmacodynamics pharmacogenomics other - ORR assessed by investigator/sub-investigator - Best response per tumor lesions - CR rate - TCR - TTR - DOR - PFS - OS - Safety - Pharmacokinetics - Pharmacodynamics

Countries

Japan

Contacts

Public ContactContact for Clinical Trial Information

DAIICHI SANKYO Co.,Ltd.

dsclinicaltrial_jp@daiichisankyo.com+81-3-6225-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026