3,920
Registered trials
1,470
Recruiting
2,135
Completed trials
967
Sponsors active
2,429
Research sites
Phase III:
1703
Phase II/III:
163
Phase II:
1036
Phase I/II:
215
Phase III/IV:
28
Phase IV:
137
Phase I:
198
Phase I (Other):
297
Phase I (FiH):
120
Other:
22
Other:
1
Oversight events in trials active here:
118 serious breaches
845 temporary halts
65 urgent safety measures
91 unexpected events
153 corrective measures
across 498 trials
View oversight register →
Top conditions
Top sponsors
Novartis Pharma AG
166
AstraZeneca AB
165
Merck Sharp & Dohme LLC
146
Boehringer Ingelheim International GmbH
127
F. Hoffmann-La Roche AG
124
Janssen - Cilag International
113
AbbVie Deutschland GmbH & Co. KG
89
Sanofi-Aventis Recherche & Developpement
80
Novo Nordisk A/S
67
Pfizer Inc.
67
Eli Lilly & Co.
59
Amgen Inc.
58
Cities with most trials
All 569 cities →All trials — page 49
3,920 totalShowing 1,153–1,176 of 3,920 trials