Clinical trials are a critical part of the drug development process. The challenge of recruiting patient volunteers for clinical trials and clinical investigators to conduct the clinical trials delays these advancements. For many people, that’s time that cannot be wasted.

Do you have a patient who might be interested in participating in a clinical trial?
Merck-sponsored clinical trials in patients are registered on, a service of the U.S. National Institutes of Health. Or, you can use the following links to access Merck-sponsored clinical trials for specific diseases.

Are you a clinical investigator?

If so, consider joining the Investigator Databank, a global collaboration between Merck, Janssen, Lilly, Pfizer and Novartis (with potentially more companies to come). The Databank shares investigator information across the participating sponsors, helping reduce administrative burden for investigators and increase visibility of investigators to research sponsors.

Learn more about Investigator Databank.

Find a Study in US or Canada

Advanced Search    Search All Studies


Becoming knowledgeable and informed is a first step when considering participation in a clinical trial. These additional resources for patients and caregivers may help you. 

Discover some of the resources available for patients and caregivers. 

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