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Study identifier: NCT05307705 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

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

Condition: Breast Cancer  ·  Sponsor: Eli Lilly and Company

PhasePhase 1
Planned participants260
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

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.

This description comes directly from the study's public registry record.

Talk to the study team

There may be multiple sites in this clinical trial 1-877-CTLILLY (1-877-285-4559) or  ·  13176154559  ·  ClinicalTrials.gov@lilly.com

Always discuss trial participation with your own doctor first.

Locations (50)

Mayo Clinic of ScottsdaleScottsdale, Arizona, United StatesNot Yet Recruiting
UCLA Medical CenterLos Angeles, California, United StatesCompleted
UCSF Medical Center at Mission BaySan Francisco, California, United StatesRecruiting
Stanford University HospitalStanford, California, United StatesRecruiting
Mayo ClinicJacksonville, Florida, United StatesNot Yet Recruiting
Winship Cancer Center Emory UniversityAtlanta, Georgia, United StatesCompleted
Massachusetts General HospitalBoston, Massachusetts, United StatesCompleted
Dana-Farber Cancer InstituteBoston, Massachusetts, United StatesNot Yet Recruiting
Mayo ClinicRochester, Minnesota, United StatesRecruiting
Washington University Medical SchoolSt Louis, Missouri, United StatesRecruiting
Memorial Sloan Kettering Cancer CenterNew York, New York, United StatesCompleted
Wilmot Cancer InstituteRochester, New York, United StatesNot Yet Recruiting

+ 38 more locations — full list on the registry record.

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This page is independently generated by Eichor from the public ClinicalTrials.gov record and re-synced daily. It is not the sponsor's official website unless claimed. Nothing here is medical advice; eligibility is always determined by the study team — talk to your own doctor first.

Source record: clinicaltrials.gov/study/NCT05307705