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Clinical trials

Phase 1/2 trials

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

Filters: Phase: Phase 1/2 Clear all

17,144 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
2000110
2001135
2002166
2003226
2004264
2005343
2006424
2007431
2008523
2009595
2010581
2011570
2012592
2013603
2014670
2015721
2016705
2017748
2018740
2019826
2020864
2021963
2022939
2023957
2024984
20251,038
20261,049

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Completed7,509
Recruiting2,505
Unknown status2,369
Terminated1,976
Active, not recruiting1,026
Not yet recruiting786
Withdrawn776
Suspended108
Enrolling by invitation89

Top lead sponsors

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

Top lead sponsors
CategoryTrials
National Cancer Institute (NCI)316
M.D. Anderson Cancer Center284
National Institute of Allergy and Infectious Diseases (NIAID)151
Memorial Sloan Kettering Cancer Center116
Novartis Pharmaceuticals111
Bristol-Myers Squibb104
Mayo Clinic103
Fred Hutchinson Cancer Center77
Washington University School of Medicine77
Massachusetts General Hospital71

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
Carcinoma, Non-Small-Cell Lung718
Breast Neoplasms644
Neoplasms591
Leukemia, Myeloid, Acute491
Colorectal Neoplasms474
Multiple Myeloma448
Melanoma433
Recurrence399
Prostatic Neoplasms389
Neoplasm Metastasis387

Trials

Showing 76 to 100 of 17,144. Each trial links to its page on Pharma Observatory.

17,044 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.