← Cancer trial database
New trial
Multiple solid tumors

Phase 1 [18F]CSB-321: Radiolabeled PET imaging agent for mapping immunotherapy response.

Trial ID
NCT07057349 on ClinicalTrials.gov
Cancer type
Solid Tumor
Stage of research
First-in-human
Published in
New in Oncology - July 25, 2025

This open-label, non-randomized multi-cohort study evaluates up to three doses of [18F]CSB-321—a novel radiolabeled PET imaging agent—in participants with metastatic or unresectable solid tumors, including melanoma, receiving immunotherapy at Cytosite Biopharma Inc. Data from PET images and clinical follow-up inform on radiotracer biodistribution and potential markers of treatment effectiveness.

More in multiple solid tumors

See all entries in multiple solid tumors →