🏛️ Verified NIH Record • Updated 2026-08-11

First-in-Human Study of DS-3939a in Participants With Advanced Solid Tumors (NCT05875168)

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

🟢 Recruiting Phase1 / Phase2 💊 Investigational Drug / Biologic Sponsor: Daiichi Sankyo

🩺 Plain-English Summary (8th-Grade Level)

This study will evaluate the safety, tolerability, and efficacy of DS-3939a in participants with advanced solid tumors.

Who can join: Review the eligibility criteria below.

Location: Florida Cancer Specialists — Sarasota, Florida

Age range: 18 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (36 Sites)

Showing the first 25 of 36 sites.

  • Florida Cancer Specialists — Sarasota, Florida
  • University of Kansas Medical Center — Westwood, Kansas
  • Oregon Health & Science University — Portland, Oregon
  • Rhode Island Hospital — Providence, Rhode Island
  • University of Texas M.D. Anderson Cancer Center — Houston, Texas
  • Huntsman Cancer Institute, University of Utah — Salt Lake City, Utah
  • The Medical College of Wisconsin, INC — Milwaukee, Wisconsin
  • UZ Leuven — Leuven,
  • McGill University Health Center — Montreal,
  • Princess Margaret Cancer Center — Toronto,
  • Beijing Cancer Hospital — Beijing,
  • Shandong Cancer Hospital — Jinan,
  • The Second Peoples Hospital of Neijiang — Neijiang,
  • Shanghai East Hospital — Shanghai,
  • Centre Léon Bérard — Lyon,
  • Assistance Publique- de Marseille — Marseille,
  • Chu Strasbourg — Strasbourg,
  • Institut Claudius Regaud — Toulouse,
  • Institut Gustave Roussy — Villejuif,
  • National Cancer Center Hospital — Chūōku,
  • Kansai Medical University Hospital — Hirakata-shi,
  • National Cancer Center Hospital East — Kashiwa,
  • Cancer Institute Hospital of Jfcr — Kōtoku,
  • Osaka International Cancer Institute — Osaka,
  • Kindai University Hospital — Ōsaka-sayama,

📞 Contact the Study Coordinator

Phone: (908) 992-6400

Email: CTRinfo@dsi.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗