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Clinical trials

Phase 3 trials

Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.

Filters: Phase: Phase 3 Clear all

42,408 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
2000430
2001557
2002789
20031,031
20041,347
20051,504
20061,745
20071,668
20081,771
20091,613
20101,661
20111,755
20121,728
20131,629
20141,583
20151,685
20161,572
20171,458
20181,607
20191,549
20201,730
20211,842
20221,606
20231,605
20241,639
20251,719
20261,715

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Completed26,221
Unknown status4,526
Terminated3,517
Recruiting3,512
Active, not recruiting1,981
Not yet recruiting1,279
Withdrawn1,139
Enrolling by invitation129
Suspended104

Top lead sponsors

A sponsor with a page on Pharma Observatory links to it.

Top lead sponsors
CategoryTrials
GlaxoSmithKline898
AstraZeneca793
Merck Sharp & Dohme LLC715
Novartis Pharmaceuticals711
Pfizer631
Hoffmann-La Roche565
Sanofi554
Eli Lilly and Company533
Assistance Publique - Hôpitaux de Paris419
Boehringer Ingelheim390

Top conditions

MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.

Top conditions
CategoryTrials
Diabetes Mellitus, Type 21,315
Breast Neoplasms1,149
Carcinoma, Non-Small-Cell Lung732
Pain697
Diabetes Mellitus684
COVID-19642
Hypertension590
Asthma557
Neoplasms556
HIV Infections536

Trials

Showing 51 to 75 of 42,408. Each trial links to its page on Pharma Observatory.

42,308 more trials match. See them on Pharma Observatory

Recently changed trials

Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.

Go deeper on Pharma Observatory

Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.