3,925
Registered trials
1,469
Recruiting
2,141
Completed trials
967
Sponsors active
2,431
Research sites
Phase III:
1706
Phase II/III:
163
Phase II:
1037
Phase I/II:
215
Phase III/IV:
28
Phase IV:
138
Phase I:
198
Phase I (Other):
297
Phase I (FiH):
120
Other:
22
Other:
1
Oversight events in trials active here:
118 serious breaches
847 temporary halts
65 urgent safety measures
91 unexpected events
153 corrective measures
across 499 trials
View oversight register →
Top conditions
Top sponsors
Novartis Pharma AG
166
AstraZeneca AB
165
Merck Sharp & Dohme LLC
146
Boehringer Ingelheim International GmbH
128
F. Hoffmann-La Roche AG
125
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 570 cities →All trials — page 140
3,925 totalShowing 3,337–3,360 of 3,925 trials