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Clinical trials

Not yet recruiting Observational trials in the United States

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

Filters: Phase: Observational Status: Not yet recruiting Country / region: United States Clear all

393 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20201
20211
20231
202444
202554
2026248

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Not yet recruiting393

Top lead sponsors

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

Top lead sponsors
CategoryTrials
Power Life Sciences Inc.51
Mayo Clinic11
Boston Children's Hospital8
NYU Langone Health8
BioSensics7
Stanford University7
University of California, San Francisco6
M.D. Anderson Cancer Center5
University of Chicago5
University of Minnesota5

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 Neoplasms11
Neoplasms11
Brain Injuries, Traumatic10
Coronary Artery Disease7
Neoplasm Metastasis7
Obesity7
Sepsis7
Chronic Pain6
Lung Neoplasms6
Anxiety Disorders5

Trials

Showing 1 to 25 of 393. Each trial links to its page on Pharma Observatory.

293 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.