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Clinical trials

Phase 1/2 trials in the United States with unknown status

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

Filters: Phase: Phase 1/2 Status: Unknown status Country / region: United States Clear all

341 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20007
20011
20023
20031
20047
200513
200613
20077
200820
200913
201012
20115
201215
201316
201413
201520
201624
201711
201811
201917
202017
202130
202224
202317
20242

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Unknown status341

Top lead sponsors

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

Top lead sponsors
CategoryTrials
Logan College of Chiropractic6
Kartos Therapeutics, Inc.4
University of Southern California4
ASIS Corporation3
American Society Of Thermalism And Climatology Inc3
Ascentage Pharma Group Inc.3
Cyclacel Pharmaceuticals, Inc.3
Hartford Hospital3
Herbert Irving Comprehensive Cancer Center3
LifeTime Pharmaceuticals3

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 Neoplasms14
Multiple Myeloma14
Leukemia, Myeloid, Acute12
Carcinoma, Non-Small-Cell Lung11
Melanoma11
Glioblastoma10
Lymphoma9
Neoplasm Metastasis9
Neoplasms9
Prostatic Neoplasms9

Trials

Showing 1 to 25 of 341. Each trial links to its page on Pharma Observatory.

241 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.

No changes to these trials in the last 7 days.

Go deeper on Pharma Observatory

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