Clinical Trials in Missouri

Missouri has 299 clinical trials currently recruiting participants, ranking #17 among all states. The most-studied condition is Alzheimer Disease with 9 active trials.

299

Total Trials

299

Recruiting

#17

National Rank

Conditions

Trials by Phase

Not Applicable

Phase 1 / Phase 2

Phase 2 / Phase 3

Early Phase 1

Phase 1

Phase 2

Phase 3

Phase 4

Top Conditions in Missouri

#	Condition	Trials
1	Alzheimer Disease	9
2	Amyotrophic Lateral Sclerosis	8
3	Colorectal Cancer	7
4	Ovarian Cancer	7
5	Sickle Cell Disease	6
6	Myasthenia Gravis	6
7	Obesity	6
8	Cystic Fibrosis	5
9	Cancer	5
10	Pancreatic Cancer	5
11	Esophageal Cancer	5
12	Bladder Cancer	5
13	Rectal Cancer	4
14	Heart Failure	4
15	Solid Tumor, Adult	4
16	NSCLC	4
17	Mesothelioma	4
18	Epilepsy	4
19	Gastric Cancer	4
20	Multiple Myeloma	4

Top Sponsors in Missouri

#	Sponsor	Trials
1	Washington University School of Medicine	39
2	University of Missouri-Columbia	10
3	Janssen Research & Development, LLC	6
4	AstraZeneca	6
5	Pfizer	5
6	Merck Sharp & Dohme LLC	4
7	Eli Lilly and Company	4
8	Bristol-Myers Squibb	4
9	National Institute of Allergy and Infectious Diseases (NIAID)	3
10	Takeda	3
11	Sanofi	3
12	Novartis Pharmaceuticals	3
13	Neurocrine Biosciences	3
14	Massachusetts General Hospital	2

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.

Sources: ClinicalTrials.gov

Trial counts reflect currently recruiting studies listed on ClinicalTrials.gov with locations in this state.

Missouri Trial Details →All State Statistics →

The this entity category groups every U.S. clinical trials and research registries entity sharing this attribute. The list above is the data; the paragraphs below explain what the grouping means against the broader the NIH ClinicalTrials.gov registry distribution and how to read the relative rankings within the category.

For readers using this category as a starting point, the per-entity detail pages linked from the table above carry the underlying the NIH ClinicalTrials.gov registry data in full. The category-level view is the filter; the per-entity pages are the actual answer.

Source: ClinicalTrials.gov, 2026.