🏛️ Verified NIH Record • Updated 2026-07-21

Phase 1/2 Study of Silevertinib (BDTX-1535) in Patients With Glioblastoma or Non-Small Cell Lung Cancer With EGFR Mutations (NCT05256290)

A Phase 1/2 Study to Assess BDTX-1535, an Oral EGFR Inhibitor, in Patients With Glioblastoma or Non-Small Cell Lung Cancer

🔵 Active, Not Recruiting Phase1 / Phase2 💊 Investigational Drug / Biologic Sponsor: Black Diamond Therapeutics, Inc.

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

BDTX-1535-101 is an open-label, Phase 1 dose escalation and Phase 2 multiple cohort study designed to evaluate the safety, pharmacokinetics (PK), optimal dosage, central nervous system (CNS) activity, and antitumor activity of silevertinib (BDTX-1535). The study population comprises adults with either advanced/metastatic non-small cell lung cancer (NSCLC) with non-classical or acquired epidermal growth factor receptor (EGFR) resistance (EGFR C797S) mutations with or without CNS disease (in Phase 1 and Phase 2), or glioblastoma (GBM) expressing EGFR alterations (Phase 1 only). All patients will self-administer silevertinib (BDTX-1535) monotherapy by mouth in 21-day cycles. Phase 1 enrollment is now complete. Phase 2 is currently ongoing.

Who can join: Review the eligibility criteria below.

Location: University of Alabama — Birmingham, Alabama

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 (25 Sites)

  • University of Alabama — Birmingham, Alabama
  • Banner MD Anderson Cancer Center — Gilbert, Arizona
  • City of Hope Huntington Beach — Huntington Beach, California
  • City of Hope Orange County Lennar Foundation Cancer Center — Irvine, California
  • Cedars Sinai Medical Center — Los Angeles, California
  • Sibley Memorial Hospital Johns Hopkins Medicine — Washington D.C., District of Columbia
  • Mayo Clinic- Jacksonville — Jacksonville, Florida
  • Miami Cancer Institute - Baptist Health South Florida — Miami, Florida
  • UHP- University of Hawaii Cancer Center — Honolulu, Hawaii
  • Robert H. Lurie Comprehensive Cancer Center at Northwestern University — Chicago, Illinois
  • University of Kansas Cancer Center — Fairway, Kansas
  • Johns Hopkins Bayview Medical Center — Baltimore, Maryland
  • Dana-Farber Cancer Institute — Boston, Massachusetts
  • Mayo Clinic- Rochester — Rochester, Minnesota
  • Siteman Cancer Center — St Louis, Missouri
  • Memorial Sloan Kettering Cancer Center — New York, New York
  • Columbia University Irving Medical Center — New York, New York
  • Montefiore Medical Center — The Bronx, New York
  • UNC Hospitals - Lineberger Comprehensive Cancer Center — Chapel Hill, North Carolina
  • University of Pittsburgh Medical Center - Hillman Cancer Center — Pittsburgh, Pennsylvania
  • Tennessee Oncology — Nashville, Tennessee
  • The University of Texas MD Anderson Cancer Center — Houston, Texas
  • Inova Schar Cancer Institute — Fairfax, Virginia
  • Next Ocology — Fairfax, Virginia
  • Fred Hutchinson Cancer Center/University of Washington — Seattle, Washington

💰 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. Review the official NIH record below to find the coordinating site.
  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 ↗