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Clinical Trial Summary

The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics of intravenous administration of XmAb662 monotherapy or in combination with pembrolizumab in subjects with advanced solid tumors and to identify the recommended dose regimen that is safe and biologically effective for XmAb662.


Clinical Trial Description

This is a first-in-human (FIH), Phase 1, open-label, multicenter dose escalation study with cohort expansion at one or more recommended dose(s) (RDs), designed to evaluate the safety and tolerability of XmAb662 monotherapy or in combination with pembrolizumab in subjects with selected solid tumors that have progressed after standard/approved therapies, or for which there are no effective available therapies. This study will be conducted in 2 parts: dose escalation (Part 1) and dose expansion (Part 2), and subdivided into arms for XmAb662 monotherapy and XmAb662+pembrolizumab combination. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05996445
Study type Interventional
Source Xencor, Inc.
Contact Benjamin Thompson, MD, PhD
Phone 619-517-7381
Email bthompson@xencor.com
Status Recruiting
Phase Phase 1
Start date July 28, 2023
Completion date September 30, 2030

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