๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-08-06

A Study of LOXO-783 in Patients With Breast Cancer/Other Solid Tumors (NCT05307705)

A Study of LOXO-783 Administered as Monotherapy and in Combination With Anticancer Therapies for Patients With Advanced Breast Cancer and Other Solid Tumors With a PIK3CA H1047R Mutation

๐ŸŸข Recruiting Phase1 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Eli Lilly and Company

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

The main purpose of this study is to learn more about the safety, side effects, and effectiveness of LOXO-783. LOXO-783 may be used to treat breast cancer and other solid tumors that have a change in a particular gene (known as the PIK3CA gene). Participation could last up to 36 months (3 years) and possibly longer if the disease does not get worse.

Who can join: Review the eligibility criteria below.

Location: Mayo Clinic of Scottsdale โ€” Scottsdale, Arizona

Age range: 18 Years

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 (50 Sites)

Showing the first 25 of 50 sites.

  • Mayo Clinic of Scottsdale โ€” Scottsdale, Arizona
  • UCLA Medical Center โ€” Los Angeles, California
  • UCSF Medical Center at Mission Bay โ€” San Francisco, California
  • Stanford University Hospital โ€” Stanford, California
  • Mayo Clinic โ€” Jacksonville, Florida
  • Winship Cancer Center Emory University โ€” Atlanta, Georgia
  • Massachusetts General Hospital โ€” Boston, Massachusetts
  • Dana-Farber Cancer Institute โ€” Boston, Massachusetts
  • Mayo Clinic โ€” Rochester, Minnesota
  • Washington University Medical School โ€” St Louis, Missouri
  • Memorial Sloan Kettering Cancer Center โ€” New York, New York
  • Wilmot Cancer Institute โ€” Rochester, New York
  • Tennessee Oncology PLLC โ€” Nashville, Tennessee
  • Texas Oncology-Baylor Charles A. Sammons Cancer Center โ€” Dallas, Texas
  • UT Southwestern Medical Center โ€” Dallas, Texas
  • University of Texas MD Anderson Cancer Center โ€” Houston, Texas
  • South Texas Accelerated Research Therapeutics (START) โ€” San Antonio, Texas
  • Cancer Research SA โ€” Adelaide,
  • Peter Maccallum Cancer Institute Erb โ€” East Melbourne,
  • St Vincent's Hospital โ€” Sydney,
  • Institut Jules Bordet โ€” Anderlecht,
  • Universitaire Ziekenhuizen Leuven - Campus Gasthuisberg โ€” Leuven,
  • Princess Margaret Hospital (Hong Kong) โ€” Toronto,
  • BC Cancer Vancouver โ€” Vancouver,
  • Beijing Cancer hospital โ€” Beijing,

๐Ÿ“ž Contact the Study Coordinator

Phone: (317) 615-4559

Email: ClinicalTrials.gov@lilly.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†—