Apply to trial NCT07541573

A few quick questions so the study team can decide if you might be a fit.

RecruitingPhase 1Drug trial

GTB-5550 in Advanced Solid Tumors

This is a first-in-human Phase 1a/1b trial of a B7-H3-targeted natural killer (NK) cell engager, referred to as a TriSpecific Killer Engager (TriKE), for the treatment of select solid tumor cancers. To be considered for the study, a patient must be 18 years or older, have histologically or cytologically confirmed advanced/metastatic cancer that, based on literature reports, expresses B7-H3 at a high frequency, measurable disease by RECIST 1.1 (exception: mCRPC limited to bone metastasis are exempt from this requirement), meets the disease specific criteria for prior failed therapy, and refractory to, intolerant of, or ineligible for therapy options that are known to provide clinical benefit for their diagnosis.

How this works

  1. Answer a few questions

    About 5 to 10 minutes. Skip-friendly where possible.

  2. We connect you with the study team

    When a site picks up your application, we introduce you to their team directly — with you on the thread.

  3. The team reaches out to schedule screening

    Usually within a few business days, via the contact you give.

We save your progress under this email and copy you when we connect you with the study team.

By continuing, you agree to our terms of service.