3,866
Registered trials
1,483
Recruiting
2,060
Completed trials
952
Sponsors active
2,443
Research sites
Phase III:
1691
Phase II/III:
160
Phase II:
1022
Phase I/II:
212
Phase III/IV:
28
Phase IV:
133
Phase I:
190
Phase I (Other):
293
Phase I (FiH):
115
Other:
21
Other:
1
Oversight events in trials active here:
109 serious breaches
821 temporary halts
62 urgent safety measures
88 unexpected events
154 corrective measures
across 480 trials
View oversight register →
Top conditions
Top sponsors
Novartis Pharma AG
165
AstraZeneca AB
163
Merck Sharp & Dohme LLC
146
Boehringer Ingelheim International GmbH
125
F. Hoffmann-La Roche AG
119
Janssen - Cilag International
112
AbbVie Deutschland GmbH & Co. KG
87
Eli Lilly & Co.
81
Sanofi-Aventis Recherche & Developpement
77
Novo Nordisk A/S
67
Pfizer Inc.
66
Amgen Inc.
58
Cities with most trials
All 565 cities →All trials
3,866 total-
MK-0616-013 Not authorised
Showing 1–24 of 3,866 trials