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Clinical trials

Recruiting trials in the United States

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

Filters: Status: Recruiting Country / region: United States Clear all

22,207 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
200021
200127
200226
200328
200431
200535
200632
200748
200835
200948
201067
201168
201270
2013105
2014133
2015165
2016199
2017263
2018358
2019501
2020619
20211,020
20221,520
20232,500
20243,742
20255,432
20264,992

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Recruiting22,207

Top lead sponsors

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

Top lead sponsors
CategoryTrials
M.D. Anderson Cancer Center508
Mayo Clinic502
Memorial Sloan Kettering Cancer Center309
Massachusetts General Hospital308
National Cancer Institute (NCI)298
VA Office of Research and Development275
University of California, San Francisco243
Stanford University237
Johns Hopkins University229
University of Colorado, Denver222

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 Neoplasms669
Neoplasms626
Prostatic Neoplasms485
Obesity481
Carcinoma, Non-Small-Cell Lung440
Lung Neoplasms351
Colorectal Neoplasms340
Neoplasm Metastasis290
Stroke284
Leukemia, Myeloid, Acute277

Trials

Showing 1 to 25 of 22,207. Each trial links to its page on Pharma Observatory.

22,107 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.