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Recruiting Phase 1 Interventional

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

ClinicalTrials.gov ID: NCT06952010

Public ClinicalTrials.gov record NCT06952010. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 8:11 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1 Dose Escalation and Expansion Study of XB628 as a Single Agent and in Combination With Zanzalintinib in Participants With Advanced or Metastatic Solid Tumors

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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.

Study identification

NCT ID
NCT06952010
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 1
Lead sponsor
Exelixis
Industry
Enrollment
303 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2025
Primary completion
May 30, 2027
Completion
Nov 29, 2027
Last update posted
Jun 23, 2026

2025 – 2027

United States locations

U.S. sites
11
U.S. states
9
U.S. cities
10
Facility City State ZIP Site status
Exelixis Clinical Site #5 San Francisco California 94158 Recruiting
Exelixis Clinical Site #4 New Haven Connecticut 06520 Recruiting
Exelixis Clinical Site #8 Tampa Florida 33612 Recruiting
Exelixis Clinical Site #10 Boston Massachusetts 02114 Recruiting
Exelixis Clinical Site #11 Boston Massachusetts 02114 Recruiting
Exelixis Clinical Site #6 St Louis Missouri 63108 Recruiting
Exelixis Clinical Site #7 New York New York 10029 Recruiting
Exelixis Clinical Site #1 Hickory North Carolina 28602 Recruiting
Exelixis Clinical Site #3 Nashville Tennessee 37203 Recruiting
Exelixis Clinical Site #9 Houston Texas 77030 Recruiting
Exelixis Clinical Site #2 San Antonio Texas 78229 Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06952010, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 23, 2026 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT06952010 live on ClinicalTrials.gov.

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