Ac-225 Rosopatamab Tetraxetan (CONV01-α): CONVERGE-01 Interim Data Show Encouraging Activity After Lu-177-PSMA Therapy
Ac-225 rosopatamab tetraxetan shows promising activity in Lu-PSMA–pretreated mCRPC | Urology Times Advanced Therapy Watch Informed Prostate Cancer Support Group Newsletter — Advanced & Metastatic Disease Series BLUF (Bottom Line Up Front): At the 2026 ASCO Annual Meeting, Convergent Therapeutics reported interim Phase 2 results from Part 3 of the CONVERGE-01 trial testing Ac-225 rosopatamab tetraxetan (CONV01-α), an alpha-particle-emitting radioantibody, in men with metastatic castration-resistant prostate cancer (mCRPC) whose disease had already progressed after Lu-177-PSMA radioligand therapy — a population with no established standard of care. Among 35 treated patients, 40% of those evaluable for PSA response achieved a decline of 50% or more, with the best durability seen at the intended Phase 3 target dose (median radiographic progression-free survival of 8.41 months). Side effects were mostly blood-count related and manageable; there was no kidney toxi...