Clinical Trials in District of Columbia

District of Columbia has 175 clinical trials currently recruiting participants, ranking #25 among all states. The most-studied condition is Sickle Cell Disease with 11 active trials.

175

Total Trials

175

Recruiting

#25

National Rank

Conditions

Trials by Phase

Not Applicable

Phase 2 / Phase 3

Phase 1 / Phase 2

Early Phase 1

Phase 1

Phase 2

Phase 3

Phase 4

Top Conditions in District of Columbia

#	Condition	Trials
1	Sickle Cell Disease	11
2	Multiple Sclerosis	5
3	Heart Failure	4
4	Generalized Myasthenia Gravis	4
5	Amyotrophic Lateral Sclerosis	4
6	Cardiomyopathies	3
7	Heart Diseases	3
8	Lung Cancer	3
9	Head and Neck Squamous Cell Carcinoma	3
10	Crohn Disease	3
11	Brain Tumor	3
12	Non-small Cell Lung Cancer	3
13	Solid Tumor	3
14	Stroke	3
15	Fabry Disease	2
16	Huntington's Disease	2
17	Cancer	2
18	Cardiovascular Diseases	2
19	Brain Metastases	2

Top Sponsors in District of Columbia

#	Sponsor	Trials
1	Children's National Research Institute	10
2	AstraZeneca	7
3	Pfizer	6
4	Johns Hopkins University	5
5	Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins	4
6	Georgetown University	4
7	Novartis Pharmaceuticals	4
8	Genzyme, a Sanofi Company	3
9	Hoffmann-La Roche	3
10	Bristol-Myers Squibb	3
11	National Institute of Allergy and Infectious Diseases (NIAID)	3
12	George Washington University	3
13	Medstar Health Research Institute	3
14	Novo Nordisk A/S	3
15	Children's Hospital of Philadelphia	2

Cities With Most Trials in District of Columbia

#	City	Trials
1	Washington D.C.	185
2	Georgetown	1
3	Washinton	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

District of Columbia currently has 175 clinical trials actively recruiting participants, making it #25 nationally by total trial count.

The most-studied conditions in District of Columbia are Sickle Cell Disease (11 trials), Multiple Sclerosis (5 trials), Heart Failure (4 trials).

Browse the conditions listed on this page to find trials recruiting in District of Columbia. 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.

District of Columbia 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.