A First-in-Human Trial of DS3790a in Participants With Hematological Malignancies

NCT ID: NCT07220616

Last Updated: 2025-12-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

420 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-01-15

Study Completion Date

2030-11-30

Brief Summary

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This clinical trial is designed to assess the safety, preliminary efficacy, and pharmacokinetics (PK) of DS3790a monotherapy and combination regimens in participants with hematological malignancies.

Detailed Description

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DS3790a may be effective in the treatment of patients with hematological malignancies. The primary objective of this study will assess the safety and preliminary efficacy of DS3790a monotherapy and combination regimens.

Conditions

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Hematological Malignancies

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Monotherapy Dose Escalation Phase

Participants with hematological malignancies who received DS3790a monotherapy.

Group Type EXPERIMENTAL

DS3790a

Intervention Type DRUG

Administered as specified in the protocol

Monotherapy Dose Expansion Phase

Participants with hematological malignancies who received DS3790a monotherapy.

Group Type EXPERIMENTAL

DS3790a

Intervention Type DRUG

Administered as specified in the protocol

Cohort A Combination Dose-escalation Phase

Participants with hematological malignancies who received DS3790a monotherapy and selected combination regimen.

Group Type EXPERIMENTAL

DS3790a

Intervention Type DRUG

Administered as specified in the protocol

Combination drug

Intervention Type DRUG

Administered as specified in the protocol

Cohort A Randomization/Optimization Phase

Participants with hematological malignancies who received DS3790a monotherapy and selected combination regimen.

Group Type EXPERIMENTAL

DS3790a

Intervention Type DRUG

Administered as specified in the protocol

Combination drug

Intervention Type DRUG

Administered as specified in the protocol

Cohort A Phase 2

Participants with hematological malignancies who received DS3790a monotherapy and selected combination regimen.

Group Type EXPERIMENTAL

DS3790a

Intervention Type DRUG

Administered as specified in the protocol

Combination drug

Intervention Type DRUG

Administered as specified in the protocol

Cohort B Combination Dose-escalation Phase

Participants with hematological malignancies who received DS3790a monotherapy and selected combination regimen.

Group Type EXPERIMENTAL

DS3790a

Intervention Type DRUG

Administered as specified in the protocol

Combination drug

Intervention Type DRUG

Administered as specified in the protocol

Cohort B Randomization/Optimization Phase

Participants with hematological malignancies who received DS3790a monotherapy and selected combination regimen.

Group Type EXPERIMENTAL

DS3790a

Intervention Type DRUG

Administered as specified in the protocol

Combination drug

Intervention Type DRUG

Administered as specified in the protocol

Standard of Care

Participants with hematological malignancies who received standard of care (SoC).

Group Type ACTIVE_COMPARATOR

Combination drug

Intervention Type DRUG

Administered as specified in the protocol

Interventions

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DS3790a

Administered as specified in the protocol

Intervention Type DRUG

Combination drug

Administered as specified in the protocol

Intervention Type DRUG

Combination drug

Administered as specified in the protocol

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Sign and date the ICF, prior to the start of any trial-specific procedures.
2. Adults ≥18 years at the time the ICF is signed
3. History of one of the histologically documented hematologic malignancies according to the 5th edition of WHO classification as specified in the protocol.
4. Agree to provide tumor samples as specified in the protocol.
5. ECOG PS of 0, 1 or 2 assessed no more than 14 days prior to initiation of trial intervention.
6. Has adequate organ and bone marrow function as assessed by local laboratory within 14 days prior to initiation of trial intervention as specified in the protocol.
7. Has an LVEF ≥50% by either an ECHO or MUGA within 28 days before the trial starts.
8. Life expectancy of at least 3 months.
9. Is willing and able to comply with scheduled visits, drug administration plan, laboratory tests, other trial procedures, and trial restrictions.
10. A woman of childbearing potential is eligible to participate if she meets all criteria as specified in the protocol.
11. A male participant capable of producing sperm is eligible to participate if he agrees to all criteria as specified in the protocol.

An individual who meets any of the following criteria will be excluded from participating in this trial:

1. Prior Allo-SCT.
2. Prior solid organ transplantation.
3. Inadequate washout period before initiation of trial intervention as specified in the protocol
4. Evidence of brain or leptomeningeal disease (spinal cord or CNS metastases) based on history and physical examination, unless treated and with radiologically documented lack of progression within 4 weeks prior to initiation of trial intervention.
5. Uncontrolled or significant cardiovascular disease as specified in the protocol.
6. Any of the following within the past 6 months prior to enrollment: cerebrovascular accident, transient ischemic attack, or other arterial thromboembolic event.
7. Has a history of (noninfectious) ILD/pneumonitis that required corticosteroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening.
8. Clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses
9. Has been diagnosed with another malignancy within the previous 3 years
10. Unresolved toxicities from previous anticancer therapy, defined as toxicities (other than alopecia) not yet resolved to NCI-CTCAE Version 5.0, Grade ≤1 or baseline.
11. Evidence of ongoing uncontrolled systemic bacterial, fungal, or viral infection.
12. Has active or uncontrolled HBV, HCV, or HIV infections.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Daiichi Sankyo

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Research Site

Tokyo, , Japan

Site Status

Research Site

Tokyo, , Japan

Site Status

Countries

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Japan

Central Contacts

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Daiichi Sankyo Contact for Clinical Trial Information

Role: CONTACT

908-992-6400

Facility Contacts

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Principal Investigator

Role: primary

Principal Investigator

Role: primary

Other Identifiers

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DS3790-076

Identifier Type: -

Identifier Source: org_study_id

2025-522595-87-00

Identifier Type: CTIS

Identifier Source: secondary_id