Clinical Trials in Missouri
Missouri ranks #17 nationally by clinical-trial count, with 299 trials listed, all currently recruiting.
Among trials with a recorded phase, Phase 2 is the largest group at 62 trials.
The top conditions by trial volume are Alzheimer Disease (9), Amyotrophic Lateral Sclerosis (8), Colorectal Cancer (7).
299
Total Trials
299
Recruiting
#17
National Rank
20
Conditions
Trials by Phase
95
Not Applicable
29
Phase 1 / Phase 2
9
Phase 2 / Phase 3
2
Early Phase 1
34
Phase 1
62
Phase 2
58
Phase 3
10
Phase 4
Top Conditions in Missouri
Top Sponsors in Missouri
Cities With Most Trials in Missouri
| # | City | Trials |
|---|---|---|
| 1 | St Louis | 231 |
| 2 | Kansas City | 51 |
| 3 | Columbia | 35 |
| 4 | Saint Charles | 8 |
| 5 | Springfield | 6 |
| 6 | Hannibal | 4 |
| 7 | Independence | 4 |
| 8 | Creve Coeur | 2 |
| 9 | City of Saint Peters | 2 |
| 10 | Bridgeton | 2 |
| 11 | Chesterfield | 2 |
| 12 | Jefferson City | 2 |
| 13 | Overland | 1 |
| 14 | Lee's Summit | 1 |
| 15 | North Kansas City | 1 |
Important: This information is for research purposes only. Always talk to your doctor about whether a clinical trial is right for you.
Frequently Asked Questions
Missouri currently has 299 clinical trials actively recruiting participants, making it #17 nationally by total trial count.
The most-studied conditions in Missouri are Alzheimer Disease (9 trials), Amyotrophic Lateral Sclerosis (8 trials), Colorectal Cancer (7 trials).
Browse the conditions listed on this page to find trials recruiting in Missouri. Each condition page shows trial details, eligibility criteria in plain English, and contact information. Always talk to your doctor about whether a trial is right for you.
Trial counts reflect currently recruiting studies listed on ClinicalTrials.gov with locations in this state.
Source: ClinicalTrials.gov, 2026.