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Study details
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A Study of XB628 in Participants With Recurrent Advanced or Metastatic Solid Tumors

Exelixis
NCT IDNCT06952010ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

75

Study length

about 2.6 years

Ages

18+

Locations

10 sites in CA, CT, FL +6

What this study is about

This trial is testing a new treatment called XB628 for people with advanced solid tumors. It's a phase 1 trial, meaning it's the first time this treatment is being tested in humans. The goal is to determine the best dose of XB628 and how well it works.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Receive XB628

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
Standard assignment

Assignment is predetermined by the study protocol.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Endpoints

Primary: Number of Participants with Dose Limiting Toxicities (DLTs), Number of Participants with Serious Adverse Events (SAEs), Treatment-emergent Adverse Events (TEAEs), and Adverse Events (AEs) Leading to Dose Withholding, Treatment Discontinuation, or Death

Secondary: Apparent Clearance (CL/F) of XB628, Area Under the Concentration-time Curve (AUC) of XB628, Duration of Response (DOR), Elimination Half-life (T1/2) of XB628, Maximum Plasma Concentration (Cmax) of XB628, Objective Response Rate (ORR), Time to Maximum Concentration (Tmax) of XB628

Body systems

Oncology