
Clinical trial participants U.S. vs. rest of world by therapy area 2015-2019
This statistic shows the number of clinical trial participants in the U.S. compared to the rest of the world in 2015-2019, by therapeutic area. In the oncology and hematology area, there were some 9,200 clinical trial participants in the United States whereas there were 25,700 participants in the rest of the world.