Academia leads Phase IV trials, while commercial sponsors conduct the majority of Phase I trials

Academia leads Phase IV trials, while commercial sponsors conduct the majority of Phase I trials

The percentage of trials by sponsor according to trial phase, by sponsor type.

Phase I

58.9%

38.2%

3.0%

Phase II

28.6%

66.8%

4.6%

Phase III

39.6%

55.6%

4.8%

Phase IV

27.5%

67.9%

4.6%