Progression criterion | Explanation |
2 or more new PSMA-positive lesions | Appearance of 2 or more new PSMA-positive distant lesions |
1 new PSMA-positive lesion | Appearance of 1 new PSMA-positive lesion plus consistent clinical or laboratory data and recommended confirmation by biopsy or correlative imaging within 3 mo of PSMA PET |
No new lesions but size increase | Increase by ≥30% in size or uptake plus consistent clinical or laboratory data and confirmation by biopsy or correlative imaging within 3 mo of PSMA PET |