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Study identifier: NCT06431594 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study to Evaluate the Safety,Tolerability, Pharmacokinetics and Clinical Activity of Mocertatug Rezetecan for Injection in Participants With Advanced Solid Tumors (BEHOLD-1)

Condition: Solid Tumors · Neoplasms  ·  Sponsor: GlaxoSmithKline

PhasePhase 1
Planned participants675
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The goal of this study is to assess the safety and tolerability of Mocertatug Rezetecan . The study will also see how the levels of Mo-Rez change over time at different dose amount

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

Talk to the study team

US GSK Clinical Trials Call Center  ·  877-379-3718  ·  GSKClinicalSupportHD@gsk.com

EU GSK Clinical Trials Call Center  ·  +44 (0) 20 89904466  ·  GSKClinicalSupportHD@gsk.com

Always discuss trial participation with your own doctor first.

Locations (65)

GSK Investigational SiteBirmingham, Alabama, United StatesRecruiting
GSK Investigational SiteFountain Valley, California, United StatesRecruiting
GSK Investigational SiteSanta Rosa, California, United StatesRecruiting
GSK Investigational SiteLake Mary, Florida, United StatesCompleted
GSK Investigational SiteOrlando, Florida, United StatesRecruiting
GSK Investigational SiteFairway, Kansas, United StatesRecruiting
GSK Investigational SiteBoston, Massachusetts, United StatesRecruiting
GSK Investigational SiteBoston, Massachusetts, United StatesRecruiting
GSK Investigational SiteDetroit, Michigan, United StatesRecruiting
GSK Investigational SiteGrand Rapids, Michigan, United StatesRecruiting
GSK Investigational SiteMinneapolis, Minnesota, United StatesRecruiting
GSK Investigational SiteMineola, New York, United StatesRecruiting

+ 53 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT06431594