Would you like to help others by contributing to medical research? Conducted by doctors and researchers, clinical trials assist in fighting disease by helping to answer important clinical questions.
Find out about our clinical trials, including information on safety and how to find one near to you.
Find a trial near you
Learn more about our clinical trials and search for active trials near you with Janssens global trial finder
Report an adverse event
If you are seeking medical information or would like to report an ‘adverse event’ (medication side effect) or ‘product quality complaint’ (problem with one of our products), please use the email address for the country where you are located