🏛️ Verified NIH Record • Updated 2026-08-21

A Phase 2 Study of Mutant-selective PI3Kα Inhibitor, RLY-2608, in Adults and Children With PIK3CA Related Overgrowth Spectrum and Malformations Driven by PIK3CA Mutation (The ReInspire Study) (NCT06789913)

A Phase 2 Study of Mutant-selective PI3Kα Inhibitor, RLY-2608, in Adults and Children With PIK3CA Related Overgrowth Spectrum and Malformations Driven by PIK3CA Mutation

🟢 Recruiting Phase2 💊 Investigational Drug / Biologic Sponsor: Relay Therapeutics, Inc.

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

This is a 3-part Phase 2 randomized study evaluating the safety and efficacy of the mutant-selective PI3Kα inhibitor, zovegalisib (RLY-2608), in adults and children with PIK3CA Related Overgrowth Spectrum (PROS) and malformations driven by PIK3CA mutation. Part 1 is a dose selection, Part 2 is a basket design with exploratory single-arm cohorts for various subpopulations of participants, and Part 3 is randomized, double-blinded study vs placebo.

Who can join: Review the eligibility criteria below.

Location: Phoenix Children's Hospital — Phoenix, Arizona

Age range: 2 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 (40 Sites)

Showing the first 25 of 40 sites.

  • Phoenix Children's Hospital — Phoenix, Arizona
  • Arkansas Children's Hospital — Little Rock, Arkansas
  • University of California, Los Angeles — Los Angeles, California
  • Stanford University — Palo Alto, California
  • University of California, San Francisco — San Francisco, California
  • Children's Hospital Colorado — Aurora, Colorado
  • Children's Hospital of Atlanta — Atlanta, Georgia
  • Riley Children's Hospital — Indianapolis, Indiana
  • University of Iowa — Iowa City, Iowa
  • Johns Hopkins Medical Institute — Baltimore, Maryland
  • Boston Children's Hospital — Boston, Massachusetts
  • Corewell Health — Grand Rapids, Michigan
  • Mayo Clinic — Rochester, Minnesota
  • Washington University School of Medicine — St Louis, Missouri
  • NYU Langone Health — New York, New York
  • UNC Chapel Hill — Chapel Hill, North Carolina
  • Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio
  • Cleveland Clinic Children's — Cleveland, Ohio
  • Children's Hospital of Philadelphia — Philadelphia, Pennsylvania
  • Texas Children's Hospital — Houston, Texas
  • Seattle Children's Hospital — Seattle, Washington
  • University of Wisconsin, Madison — Madison, Wisconsin
  • Sydney Children's Hospital, Randwick — Randwick, New South Wales
  • Children's Health Queensland Hospital and Health — South Brisbane, Queensland
  • Monash Health — Clayton, Victoria

📞 Contact the Study Coordinator

Phone: (617) 322-0731

Email: ClinicalTrials@relaytx.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 ↗