🏛️ Verified NIH Record • Updated 2026-06-13

A Phase 1/2 Study of STP938 (Dencatistat) for Adult Subjects With Relapsed/Refractory B-Cell and T-Cell Lymphomas (NCT05463263)

An Open-Label, First in Human, Phase 1/2 to Evaluate Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of the CTPS1 Inhibitor STP938 In Adult Subjects With Relapsed/Refractory B-Cell and T-Cell Lymphomas

🟢 Recruiting Phase1 / Phase2 💊 Investigational Drug / Biologic Sponsor: Step Pharma, SAS

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

The Phase 1 part of the study is a dose escalation of STP938 as monotherapy. The Phase 2 part of the study is cohort expansion of STP938 as a monotherapy in 5 different B and T cell lymphomas.

Who can join: Review the eligibility criteria below.

Location: Colorado Blood Cancer Institute — Denver, Colorado

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 (15 Sites)

  • Colorado Blood Cancer Institute — Denver, Colorado
  • Florida Cancer Specialists — Sarasota, Florida
  • Memorial Sloan Kettering — New York, New York
  • Hôpital Saint-Louis — Paris, Paris
  • The Centre Léon Bérard — Lyon,
  • Institut Paoli Calmettes — Marseille,
  • CHU de Nantes — Nantes,
  • Institut Gustave Roussy — Villejuif,
  • University Hospitals of Leicester NHS Trust — Leicester,
  • Imperial College / Clinical Trials Unit, Hammersmith Hospital — London,
  • The Christie — Manchester,
  • Nottingham City Hospital — Nottingham,
  • Churchill Hospital — Oxford,
  • Derriford Hospital — Plymouth,
  • The Royal Marsden — Sutton,

📞 Contact the Study Coordinator

Phone: +33 1 86 26 43 56

Email: STP938-101@step-ph.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.

Explore by condition: All Lymphoma, B-Cell clinical trials

💡 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 ↗