2,369
Registered trials
880
Recruiting
1,302
Completed trials
588
Sponsors active
365
Research sites
Phase III:
1087
Phase II/III:
120
Phase II:
464
Phase I/II:
83
Phase III/IV:
34
Phase IV:
147
Phase I:
146
Phase I (Other):
184
Phase I (FiH):
95
Other:
9
Oversight events in trials active here:
88 serious breaches
550 temporary halts
49 urgent safety measures
56 unexpected events
94 corrective measures
across 299 trials
View oversight register →
Top conditions
Non-small cell lung cancer
78
Non-small cell lung cancer metastatic
27
Crohn's disease
27
Ovarian cancer
25
Colorectal cancer
22
Colitis ulcerative
21
Squamous cell carcinoma of head and neck
18
Breast cancer
18
Rheumatoid arthritis
17
Prostate cancer metastatic
17
HER2 positive breast cancer
17
Fallopian tube cancer
17
Top sponsors
Merck Sharp & Dohme LLC
121
Janssen - Cilag International
99
AstraZeneca AB
95
Pfizer Inc.
81
F. Hoffmann-La Roche AG
80
UZ Leuven
72
Boehringer Ingelheim International GmbH
71
Novartis Pharma AG
71
AbbVie Deutschland GmbH & Co. KG
68
Amgen Inc.
49
Sanofi-Aventis Recherche & Developpement
48
Boehringer Ingelheim Espana S.A.
41
Cities with most trials
All 185 cities →All trials — page 38
2,369 totalShowing 889–912 of 2,369 trials