Janssen Pharmaceutica N.v., Belgium

This phase 3 study tests whether adding the drug apalutamide to standard radiotherapy and hormone therapy can delay cancer spread or death in 692 men with high-risk prostate cancer. Participants are randomly assigned to receive either the standard treatment alone or with apalutam…

This phase 2 study tests a vaccine called JNJ-64042056 in 55 people with very early signs of Alzheimer's (no symptoms yet but tau buildup in the brain). The vaccine is designed to train the immune system to attack tau protein, which forms tangles in Alzheimer's. Participants rece…

This study follows over 1,300 people with psoriatic arthritis who are starting either guselkumab (Tremfya) or an IL-17 inhibitor as part of their routine care. Researchers will track how long patients continue each treatment and monitor joint swelling and tenderness. The goal is …