As of May 2025, there are 22,985 clinical trials recruiting patients in the U.S., according to the National Library of Medicine (NLM). Another 10,296 are active and longer recruiting. Definitive Healthcare tracks both interventional and observational trials across 14 different therapy areas. Data is compiled from The Clinical Trials Transformation Initiative (CTTI) and can be viewed in our HospitalView, PhysicianView, and PhysicianGroupView products. In this blog, Definitive Healthcare has compiled a list of the top 10 most common clinical trials by therapeutic area.
Read the full article: Most Common Clinical Trial Therapy Areas //
Source: https://www.definitivehc.com/blog/most-common-clinical-trials-by-therapy-area