🏛️ Verified NIH Record • Updated 2026-04-07

Study of RYZ101 in Combination With SoC in Subjects With SSTR+ ES-SCLC (NCT05595460)

Phase 1b Single Arm, Open-label Trial of RYZ101 in Combination With Carboplatin + Etoposide + Atezolizumab in Subjects With Somatostatin Receptor Expressing (SSTR+) Extensive Stage Small Cell Lung Cancer (ES-SCLC)

🔵 Active, Not Recruiting Phase1 💊 Investigational Drug / Biologic Sponsor: RayzeBio, Inc.

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

This study aims to determine the safety, preliminary antitumor activity, and pharmacokinetics (PK) of RYZ101 in combination with standard of care (SoC) therapy consisting of carboplatin + etoposide + atezolizumab in untreated subjects with somatostatin receptor expressing (SSTR+) ES-SCLC.

Who can join: To join this study, participants generally need to meet the listed inclusion criteria (8 items) and avoid the listed exclusions (10 items).

Location: Research Facility — Los Angeles, California

Age range: 18 Years

📋 "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
  • Prior exposure to immune-mediated therapy,
  • Known active or suspected autoimmune disease or any condition requiring systemic treatment with immunosuppressive medications within 14 days prior to first dose of study drug
  • History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, or idiopathic pneumonitis. Note: History of radiation pneumonitis is permitted.
  • Severe infection within 4 weeks and/or treatment with therapeutic oral or i.v. antibiotics within 2 weeks prior to initiation of study treatment.
  • Prior allogeneic stem cell or solid organ transplantation.
  • Treatment with a live, attenuated vaccine within 4 weeks prior to initiation of study treatment, or anticipation of need for such a vaccine during atezolizumab treatment or within 5 months after the final dose of atezolizumab.
  • Radiotherapy to the chest prior to systemic therapy or planned consolidation chest radiation therapy. Radiation therapy outside of the chest for palliative care is allowed but must be completed \>2 weeks prior to first dose of study drug.
  • Significant cardiovascular disease and/or resistant hypertension
  • Subjects with previously treated central nervous system (CNS) metastases who have not recovered from acute side effects of radiotherapy.

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

📍 All Participating Trial Locations (13 Sites)

  • Research Facility — Los Angeles, California
  • Research Facility — San Francisco, California
  • Research Facility — Jacksonville, Florida
  • Research Facility — Miami, Florida
  • Research Facility — Orlando, Florida
  • Research Facility — Iowa City, Iowa
  • Reserach Facility — Lexington, Kentucky
  • Research Facility — Grand Rapids, Michigan
  • Research Facility — Rochester, Minnesota
  • Research Facility — St Louis, Missouri
  • Research Facility — Omaha, Nebraska
  • Research Facility — Salt Lake City, Utah
  • Research Facility — San Juan, Puerto Rico

💰 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 ↗