๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-07-21

Study of RGT-490 in Patients With PIK3CA-Mutated Advanced Solid Tumors (NCT07524322)

A Phase 1/1b Open-Label, Multicenter, First-in-Human Study Evaluating Safety, Tolerability, Pharmacokinetics, and Antitumor Activity of RGT-490 as a Single Agent in Adult Subjects With Locally Advanced or Metastatic PIK3CA-Mutated Solid Tumors Including HR+/HER2- Breast Cancers

๐ŸŸข Recruiting Phase1 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Regor Pharmaceuticals Inc.

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

This is a phase 1/1b, open-label, multicenter study consisting of sequential parts designed to evaluate the safety, tolerability, and effects pharmacokinetic (PK) profile, and antitumor activity of RGT-490, an investigational oral therapy, in adults with locally advanced or metastatic solid tumors including breast cancer. Participants enrolled in the study have advanced disease that is not amendable to curative treatment and whose tumors harbor alterations in the PI3KCA gene.

Who can join: Review the eligibility criteria below.

Location: START Los Angeles โ€” Los Angeles, California

Age range: 18 Years

๐Ÿงช Interventions in This Study

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (5 Sites)

  • START Los Angeles โ€” Los Angeles, California
  • The University of Texas MD Anderson Cancer Center โ€” Houston, Texas
  • NEXT Houston โ€” Houston, Texas
  • NEXT San Antonio โ€” San Antonio, Texas
  • NEXT Virginia โ€” Fairfax, Virginia

๐Ÿ“ž Contact the Study Coordinator

Phone: (857) 331-3898

Email: Sarah.Wheeler@regor.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ 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 ยง 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 Breast Cancer clinical trials

๐Ÿ’ก 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.
๐Ÿ›๏ธ View Official NIH Record โ†—