Skip to content

Clinical trials

Trial Insights

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

607,742 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20002,336
20012,910
20024,131
20035,672
20047,483
20059,346
200611,332
200712,971
200814,980
200916,316
201017,523
201118,384
201219,467
201320,349
201422,656
201524,443
201626,509
201727,988
201830,228
201932,017
202033,630
202138,588
202237,721
202339,374
202440,706
202540,253
202636,508

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Completed332,392
Unknown status94,668
Recruiting66,519
Terminated34,537
Not yet recruiting30,906
Active, not recruiting22,604
Withdrawn16,895
Enrolling by invitation5,385
Suspended1,780
Withheld984
No longer available540
Available250
Approved for marketing244
Temporarily not available38

Top lead sponsors

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

Top lead sponsors
CategoryTrials
Assiut University5,038
Cairo University4,903
GlaxoSmithKline3,647
Assistance Publique - Hôpitaux de Paris3,572
National Cancer Institute (NCI)3,553
AstraZeneca3,491
Pfizer3,320
Mayo Clinic3,261
M.D. Anderson Cancer Center3,044
Novartis Pharmaceuticals2,710

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
Breast Neoplasms13,485
Obesity11,324
Neoplasms10,780
Diabetes Mellitus, Type 29,986
Pain9,070
Diabetes Mellitus8,210
Stroke7,790
COVID-197,570
Anxiety Disorders7,134
Carcinoma, Non-Small-Cell Lung7,051

Trials

Showing 1 to 25 of 607,742. Each trial links to its page on Pharma Observatory.

607,642 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.