🏛️ Verified NIH Record • Updated 2026-08-25

A Trial to Investigate the Safety of E303 in Participants With Advanced Refractory Solid Tumors (NCT07524348)

A Phase I, Open-Label, Multi-Center, First-in-Human Trial to Investigate E303, in Participants With Advanced Refractory Solid Tumors

🟢 Recruiting Phase1 💊 Investigational Drug / Biologic Sponsor: Samsung Bioepis Co., Ltd.

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

This is a Phase I trial to evaluate the safety, tolerability and efficacy of nectin-4 targeting antibody-drug conjugate (SBE303) in participants with advanced solid tumors

Who can join: To join this study, participants generally need to meet the listed inclusion criteria (1 items) and avoid the listed exclusions (6 items).

Location: Research Site — Scottsdale, Arizona

Age range: 18 Years

🧪 Interventions in This Study

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

Instant Checklist

Check every box below. If you can check all of them, you may meet the study's basic screening requirements (final eligibility is confirmed by the site team).

Usually NOT eligible if any of the following apply:

  • Exclusion Criteria:
  • Have spinal cord compression or clinically active central nervous system metastases
  • Have leptomeningeal disease
  • Have thromboembolic or clinically significant bleeding events
  • Have significant cardiovascular disease
  • Have an active autoimmune disease

🔍 Extracted verbatim from the official NIH eligibility criteria. Always confirm with the study coordinator.

📍 All Participating Trial Locations (7 Sites)

  • Research Site — Scottsdale, Arizona
  • Research Site — Fairfax, Virginia
  • Research Site — Adelaide,
  • Research Site — Melbourne,
  • Research Site — Seoul,
  • Research Site — Barcelona,
  • Research Site — Madrid,

📞 Contact the Study Coordinator

Phone: +82-32-728-0114

Email: bioepisinfo@samsung.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 ↗