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Clinical trials near you

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Studies are recruiting volunteers in 100 metro areas across 47 states. Choose your area to see which conditions are studied there, whom the studies accept and the most active research sites.

Areas with the most studies recruiting

Each counts a study once, however many of its sites are in the area.

  1. 1New YorkNew York4,253 studies
  2. 2Los AngelesCalifornia3,257 studies
  3. 3HoustonTexas3,009 studies
  4. 4BostonMassachusetts2,759 studies
  5. 5ChicagoIllinois2,378 studies
  6. 6WashingtonDistrict of Columbia2,199 studies
  7. 7PhiladelphiaPennsylvania2,071 studies
  8. 8MiamiFlorida1,966 studies
  9. 9DallasTexas1,908 studies
  10. 10AtlantaGeorgia1,645 studies
  11. 11BaltimoreMaryland1,466 studies
  12. 12DenverColorado1,451 studies
  13. 13St. LouisMissouri1,415 studies
  14. 14SeattleWashington1,389 studies
  15. 15PhoenixArizona1,323 studies
  16. 16ColumbusOhio1,291 studies
  17. 17TampaFlorida1,234 studies
  18. 18NashvilleTennessee1,231 studies
  19. 19San DiegoCalifornia1,212 studies
  20. 20PittsburghPennsylvania1,133 studies

The most studies per resident

Studies recruiting for every 100,000 people living in the area, among metro areas of 250,000 or more.

  1. 1Ann ArborMichigan240.7 per 100,000
  2. 2DurhamNorth Carolina153.9 per 100,000
  3. 3GainesvilleFlorida117.8 per 100,000
  4. 4New HavenConnecticut110.3 per 100,000
  5. 5CharlestonSouth Carolina79.1 per 100,000
  6. 6Sioux FallsSouth Dakota76.9 per 100,000
  7. 7LexingtonKentucky69.9 per 100,000
  8. 8Salt Lake CityUtah69 per 100,000
  9. 9MadisonWisconsin67.1 per 100,000
  10. 10Little RockArkansas60.4 per 100,000

Browse by state

Where each condition is studied most

For the conditions with the most studies recruiting, the areas with the most studies for each.

Lung cancer

  1. New York255
  2. Los Angeles224
  3. Houston223
  4. Washington199
  5. Boston146

Breast cancer

  1. New York236
  2. Los Angeles185
  3. Houston183
  4. Boston143
  5. Washington116

Colorectal cancer (bowel cancer)

  1. Los Angeles149
  2. New York148
  3. Houston135
  4. Washington98
  5. Boston89

Leukemia

  1. Houston171
  2. New York147
  3. Los Angeles132
  4. Boston100
  5. Seattle88

Head and neck cancer

  1. New York130
  2. Los Angeles121
  3. Houston118
  4. Washington84
  5. Boston81

Prostate cancer

  1. New York141
  2. Los Angeles122
  3. Houston85
  4. Boston69
  5. Chicago66

Non-Hodgkin's lymphoma

  1. New York128
  2. Los Angeles127
  3. Houston103
  4. Chicago73
  5. Boston72

Ovarian cancer

  1. Houston103
  2. New York101
  3. Los Angeles93
  4. Washington68
  5. Boston64

Neuroendocrine tumor

  1. Houston82
  2. New York73
  3. Los Angeles69
  4. Washington63
  5. Nashville46

Uterine cancer

  1. New York98
  2. Houston95
  3. Los Angeles78
  4. Washington68
  5. Boston60

Liver disease

  1. Los Angeles99
  2. New York86
  3. Houston80
  4. Dallas63
  5. Chicago53

Overweight and obesity

  1. Los Angeles70
  2. New York66
  3. Houston57
  4. Chicago56
  5. Miami53

Cite these figures

Free to use under CC BY 4.0. Please credit LocalTrial with a link to this page.

As text

Source: LocalTrial, Areas with the most studies recruiting, https://www.localtrial.com/clinical-trials, updated November 12, 2026.

With the link, for a web page

Source: <a href="https://www.localtrial.com/clinical-trials">LocalTrial, Areas with the most studies recruiting</a>, updated November 12, 2026.

About these figures

Counted from ClinicalTrials.gov, the U.S. registry of clinical studies, for studies recruiting in the United States. A study is counted once however many sites it has in the area. Updated November 12, 2026.

These figures describe studies, not advice. Talk to your doctor before joining one.

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Clinical Trials Near Me: Studies Recruiting in Your Area | LocalTrial