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Clinical trials

Observational Neoplasms trials in the United States

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

Filters: Condition: Neoplasms Phase: Observational Country / region: United States Clear all

897 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20009
200111
200217
200318
200416
200521
200628
200731
200824
200944
201039
201123
201237
201336
201442
201530
201642
201748
201838
201942
202040
202148
202240
202343
202425
202530
202627

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Completed436
Recruiting180
Terminated88
Active, not recruiting59
Unknown status55
Withdrawn42
Enrolling by invitation19
Not yet recruiting11
Suspended7

Top lead sponsors

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

Top lead sponsors
CategoryTrials
National Cancer Institute (NCI)94
M.D. Anderson Cancer Center53
St. Jude Children's Research Hospital38
Memorial Sloan Kettering Cancer Center31
Wake Forest University Health Sciences23
Mayo Clinic15
UNC Lineberger Comprehensive Cancer Center13
University of Colorado, Denver13
National Institutes of Health Clinical Center (CC)12
Stanford University11

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
Neoplasms897
Breast Neoplasms73
Lung Neoplasms46
Prostatic Neoplasms41
Colorectal Neoplasms34
Ovarian Neoplasms30
Melanoma29
Lymphoma28
Brain Neoplasms26
Pancreatic Neoplasms23

Trials

Showing 1 to 25 of 897. Each trial links to its page on Pharma Observatory.

797 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.

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