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Study identifier: NCT06952010 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

A Study of XB628 Alone and in Combination With Zanzalintinib in Participants With Recurrent Advanced or Metastatic Solid Tumors

Condition: Solid Tumor · Advanced Solid Tumor · Metastatic Solid Tumor  ·  Sponsor: Exelixis

PhasePhase 1
Planned participants303
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This study consists of a Dose-Escalation stage and a Dose Expansion stage. The primary purpose of the dose escalation stage is to determine the maximum tolerated dose (MTD) and/or recommended dosage(s) for expansion (RDE\[s\]); and the dose expansion stage is to evaluate the preliminary antitumor activity of XB628 as a single agent and in combination with zanzalintinib.

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

Talk to the study team

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

Backup or International  ·  650-837-7400

Always discuss trial participation with your own doctor first.

Locations (11)

Exelixis Clinical Site #5San Francisco, California, United StatesRecruiting
Exelixis Clinical Site #4New Haven, Connecticut, United StatesRecruiting
Exelixis Clinical Site #8Tampa, Florida, United StatesRecruiting
Exelixis Clinical Site #10Boston, Massachusetts, United StatesRecruiting
Exelixis Clinical Site #11Boston, Massachusetts, United StatesRecruiting
Exelixis Clinical Site #6St Louis, Missouri, United StatesRecruiting
Exelixis Clinical Site #7New York, New York, United StatesRecruiting
Exelixis Clinical Site #1Hickory, North Carolina, United StatesRecruiting
Exelixis Clinical Site #3Nashville, Tennessee, United StatesRecruiting
Exelixis Clinical Site #9Houston, Texas, United StatesRecruiting
Exelixis Clinical Site #2San Antonio, Texas, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06952010