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Clinical trials

Suspended Observational trials

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

Filters: Phase: Observational Status: Suspended Clear all

325 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20011
20033
20041
20053
20064
20076
20089
20097
201013
20119
201210
20138
201414
201514
201610
201715
201819
201940
202025
202127
202217
202319
202419
202514
20269

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Suspended325

Top lead sponsors

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

Top lead sponsors
CategoryTrials
Hadassah Medical Organization6
M.D. Anderson Cancer Center5
Mayo Clinic5
Sheba Medical Center5
University of Pennsylvania4
Charite University, Berlin, Germany3
Duke University3
Entia Ltd3
Genetesis Inc.3
Zimmer Biomet3

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 Neoplasms15
Neoplasms13
Cardiovascular Diseases8
Colorectal Neoplasms8
Diabetes Mellitus8
Chronic Pain7
Prostatic Neoplasms7
Stroke7
COVID-196
Carcinoma, Non-Small-Cell Lung6

Trials

Showing 51 to 75 of 325. Each trial links to its page on Pharma Observatory.

225 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.