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Study identifier: NCT05932862 Synced from ClinicalTrials.gov · August 06, 2026
● Study status: Recruiting

A Phase 1 Study of XL309 (ISM3091) Alone and in Combination in Participants With Advanced Solid Tumors

Condition: Advanced Solid Tumor  ·  Sponsor: Exelixis

PhasePhase 1
Planned participants429
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This is a first-in-human (FIH), multicenter, open-label Phase I study to investigate the safety, tolerability, preliminary antitumor activity, as well as pharmacokinetics (PK) and pharmacodynamics of XL309 (previously ISM3091) administered alone or in combination with olaparib in participants with advanced solid tumors.

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

Talk to the study team

Exelixis Clinical Trials  ·  1-888-393-5494)  ·  druginfo@exelixis.com

Always discuss trial participation with your own doctor first.

Locations (16)

Exelixis Clinical Site #12Fountain Valley, California, United StatesWithdrawn
Exelixis Clinical Site #15Jacksonville, Florida, United StatesRecruiting
Exelixis Clinical Site #8Orlando, Florida, United StatesRecruiting
Exelixis Clinical Site #16Tampa, Florida, United StatesRecruiting
Exelixis Clinical Site #14Rochester, Minnesota, United StatesRecruiting
Exelixis Clinical Site #10Kansas City, Missouri, United StatesWithdrawn
Exelixis Clinical Site #9New Brunswick, New Jersey, United StatesRecruiting
Exelixis Clinical Site #5New York, New York, United StatesRecruiting
Exelixis Clinical Site #7Cleveland, Ohio, United StatesRecruiting
Exelixis Clinical Site #13Oklahoma City, Oklahoma, United StatesRecruiting
Exelixis Clinical Site #11Germantown, Tennessee, United StatesRecruiting
Exelixis Clinical Site #6Nashville, Tennessee, United StatesRecruiting

+ 4 more locations — full list on the registry record.

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