3,681
Registered trials
1,489
Recruiting
1,842
Completed trials
891
Sponsors active
775
Research sites
Phase III:
1645
Phase II/III:
152
Phase II:
1113
Phase I/II:
212
Phase III/IV:
28
Phase IV:
153
Phase I:
119
Phase I (Other):
111
Phase I (FiH):
142
Other:
5
Other:
1
Oversight events in trials active here:
107 serious breaches
827 temporary halts
64 urgent safety measures
84 unexpected events
162 corrective measures
across 455 trials
View oversight register →
Top conditions
Top sponsors
Merck Sharp & Dohme LLC
180
AstraZeneca AB
161
Novartis Pharma AG
145
F. Hoffmann-La Roche AG
138
Janssen - Cilag International
93
AbbVie Deutschland GmbH & Co. KG
88
Sanofi-Aventis Recherche & Developpement
75
Bristol-Myers Squibb Services Unlimited Company
64
Pfizer Inc.
63
Amgen Inc.
60
Glaxosmithkline Research & Development Limited
60
Boehringer Ingelheim International GmbH
49
Cities with most trials
All 250 cities →All trials — page 7
3,681 totalShowing 145–168 of 3,681 trials