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Geographic Intelligence

Clinical Trials by US State

Geographic distribution of recruiting clinical trials across the United States. Data updated daily from ClinicalTrials.gov.

US Trial Locations
10,766
Leading State
California

Trial Distribution Map

Fewer trials
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Top States

1
CA
839
2
TX
733
3
NY
651
4
FL
565
5
PA
478
6
OH
475
7
MA
474
8
IL
398
9
NC
372
10
MD
355
11
MI
319
12
TN
295
13
GA
290
14
MN
284
15
VA
276

Note: Counts represent the number of recruiting clinical trials with at least one location in that state, not the total number of physical sites. A single trial may have multiple locations across several states. Data sourced from ClinicalTrials.gov and updated daily.

ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: November 2026  ·  Data Methodology