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Completed Phase 1 Interventional

Phase 1, First-in-human, Dose-finding and Expansion Study to Evaluate XmAb®808 in Combination With Pembrolizumab in Advanced Solid Tumors

ClinicalTrials.gov ID: NCT05585034

Public ClinicalTrials.gov record NCT05585034. 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 Oct 20, 2026, 9:07 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, First-in-Human, Dose-Finding and Expansion Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Activity of XmAb®808 in Combination With Pembrolizumab in Selected Advanced Solid Tumors

Brief summary

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

The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics of intravenous (IV) administration of XmAb808 in combination with pembrolizumab in subjects with selected advanced solid tumors and to identify the minimum safe and biologically effective/recommended dose (RD) and schedule for XmAb808.

Study identification

NCT ID
NCT05585034
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Xencor, Inc.
Industry
Enrollment
60 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
Dec 14, 2022 (Actual)
Primary completion
May 20, 2025 (Actual)
Completion
May 20, 2025 (Actual)
Last update posted
Aug 7, 2025

2022 – 2025

United States locations

U.S. sites
12
U.S. states
12
U.S. cities
12
Facility City State ZIP Site status
UCLA Hematology/Oncology Los Angeles California 90095 —
Sarah Cannon Research Institute at HealthONE Denver Colorado 80218 —
Florida Cancer Specialists Sarasota Florida 34232 —
Winship Cancer Institute, Emory University Atlanta Georgia 30322 —
Northwestern Memorial Hospital Chicago Illinois 60611 —
Columbia University Irvine Medical Center New York New York 10032 —
University of Cincinnati Medical Center Cincinnati Ohio 45219 —
UPMC Hillman Cancer Center Pittsburgh Pennsylvania 15213 —
Tennessee Oncology Nashville Tennessee 37203 —
The University of Texas MD Anderson Cancer Center Houston Texas 77030 —
Huntsman Cancer Institute, University of Utah Salt Lake City Utah 84112 —
Froedtert Hospital & The Medical College of Wisconsin Milwaukee Wisconsin 53226 —

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 NCT05585034, 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 Aug 7, 2025 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05585034 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →