New imaging agent could reveal which cancers respond to immunotherapy
Diagnosis
Recruiting now
This phase I/II trial tests a radioactive tracer called 64Cu-GRIP B, which targets granzyme B—a substance released by immune cells. By using PET scans, researchers hope to see immune activity in tumors and predict whether immunotherapy will work. The study involves about 91 adult…
Phase: PHASE1, PHASE2 • Sponsor: Rahul Aggarwal • Aim: Diagnosis
Last updated Jun 27, 2026 11:03 UTC