Ask a scientific or medical question about a Merck product or service. If you would like to report an adverse event or have an urgent need for information about a Merck product, please call the Merck National Service Center at 1-800-672-6372.
Merck conducts clinical trials worldwide to evaluate the safety and effectiveness of our products. These trials are fundamental to the development of innovative medicines and vaccines that treat and prevent illness.
The US Investigator-Initiated Studies Program is a component of the larger worldwide Medical School Grants Program. This program provides grants to Investigators to conduct Investigator-initiated original research that is of interest to Merck and the medical community.