Fierce Biotech May 24, 2024
Johnson & Johnson’s radiopharmaceutical spurred “profound and durable” responses, however, four patient deaths in the early-stage trial marred the results.
JNJ-6420 is an anti-hK2 antibody-based targeted radioligand therapy that’s designed to deliver a high-energy, short-range alpha-particle emitter to prostate cancer cells. The first-in-human study tested the radiopharmaceutical in patients with metastatic castration-resistant prostate cancer who have previously received at least one prior androgen receptor pathway inhibitor. The results are to be presented next week at the American Society of Clinical Oncology conference.
The goal of the phase 1 dose-escalation study was to demonstrate the drug’s safety and to find a dose to move into phase 2. In one trial group, 37 patients were on a fixed dosing starting schedule, receiving...
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