Recruiting PHASE1/PHASE2 INTERVENTIONAL 2-arm NCT05875168

First-in-Human Study of DS-3939a in Participants With Advanced Solid Tumors

Phase 1/2, Open-label, Multicenter, First-in-Human Study of DS-3939a in Subjects With Advanced Solid Tumors

Sponsor: Daiichi Sankyo

Conditions Advanced Solid Tumor Metastatic Solid Tumor

Interventions DS-3939a

Updated 19 times since 2023 Last updated: Jan 9, 2026 Started: Aug 18, 2023 Primary completion: Mar 17, 2026 Completion: Feb 15, 2027

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1/PHASE2 clinical study on Advanced Solid Tumor and Metastatic Solid Tumor, this trial is actively recruiting participants. The trial is conducted by Daiichi Sankyo and has accumulated 19 data snapshots since 2023. Oncology trials at this stage typically focus on safety, tolerability, and early efficacy signals.

Status Flow

Change History

19 versions recorded

Feb 2026 — Present [monthly]

Recruiting PHASE1/PHASE2
Jan 2026 — Feb 2026 [monthly]

Recruiting PHASE1/PHASE2
Nov 2025 — Jan 2026 [monthly]

Recruiting PHASE1/PHASE2
Oct 2025 — Nov 2025 [monthly]

Recruiting PHASE1/PHASE2
Sep 2025 — Oct 2025 [monthly]

Recruiting PHASE1/PHASE2

▶ Show 14 earlier versions

Jun 2025 — Sep 2025 [monthly]

Recruiting PHASE1/PHASE2
Mar 2025 — Jun 2025 [monthly]

Recruiting PHASE1/PHASE2
Feb 2025 — Mar 2025 [monthly]

Recruiting PHASE1/PHASE2
Nov 2024 — Feb 2025 [monthly]

Recruiting PHASE1/PHASE2
Sep 2024 — Nov 2024 [monthly]

Recruiting PHASE1/PHASE2
Jul 2024 — Sep 2024 [monthly]

Recruiting PHASE1/PHASE2

Phase: PHASE1_PHASE2 → PHASE1/PHASE2
Jun 2024 — Jul 2024 [monthly]

Recruiting PHASE1_PHASE2
May 2024 — Jun 2024 [monthly]

Recruiting PHASE1_PHASE2
Mar 2024 — May 2024 [monthly]

Recruiting PHASE1_PHASE2
Feb 2024 — Mar 2024 [monthly]

Recruiting PHASE1_PHASE2
Jan 2024 — Feb 2024 [monthly]

Recruiting PHASE1_PHASE2
Oct 2023 — Jan 2024 [monthly]

Recruiting PHASE1_PHASE2
Sep 2023 — Oct 2023 [monthly]

Recruiting PHASE1_PHASE2

Status: Not Yet Recruiting → Recruiting
Jun 2023 — Sep 2023 [monthly]

Not Yet Recruiting PHASE1_PHASE2

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Daiichi Sankyo

Data source: Daiichi Sankyo

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Barcelona, Spain , Beijing, China , Chūōku, Japan , Hirakata-shi, Japan , Houston, United States , Jinan, China , Kashiwa, Japan , Kōtoku, Japan , Leuven, Belgium , Lyon, France and 18 more locations