Location · Washington D.C., DC
Clinical trials in Washington D.C., DC
221 recruiting studies have a site in Washington D.C., and 73 of them accept healthy volunteers.
221 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1/Phase 2
Phase 1/2 Study of Respiratory Syncytial Virus and Human Metapneumovirus (RSV+HMPV) Vaccine Candidate in Adults 60 Years of Age and Older
Sanofi
- Location
- Washington D.C., DC + 49 other US sites
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 1
A Clinical Trial to Evaluate the Safety and Immunogenicity of rVSV∆G-MARV-GP Vaccine in Adults in Good General Health
International AIDS Vaccine Initiative
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1
A Clinical Study to Investigate the Safety and Immunogenicity of rVSV∆G-SUDV-GP, a Sudan Virus (SUDV) Vaccine for the Prevention of SUDV Disease in Adults in Good General Health
International AIDS Vaccine Initiative
- Location
- Washington D.C., DC + 2 other US sites
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersEarly Phase 1
Assistance Delivery and Muscle Coordination
The Catholic University of America
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 20–80
- RecruitingHealthy volunteersPhase 1
Controlled Human Infection Study of Orally Administered Trichuris Trichiura Eggs in Naïve Adults
George Washington University
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersEarly Phase 1
Sensory Feedback and Hand Motor Adaptation
The Catholic University of America
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 20–70
- RecruitingHealthy volunteersPhase 1
Experimental Infection of Hookworm-naïve Adults With Dermally-applied Infectious Necator Americanus Hookworm Larvae
Baylor College of Medicine
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 3
A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older
Pfizer
- Location
- Washington D.C., DC + 138 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
Ecotera Health LLC
- Location
- Washington D.C., DC + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Identifying Patterns in the Breath of Individuals With Breast Cancer
Breathe BioMedical Inc
- Location
- Washington D.C., DC + 2 other US sites
- Eligibility basics
- Ages 40–74 · Women only
- RecruitingHealthy volunteers
Motiva Implants® Post-Approval Study
Motiva USA LLC
- Location
- Washington D.C., DC + 32 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingHealthy volunteers
Multicenter Trial of Antibiotic Eluting Graft for Promoting New Bone Growth in/Near Infected Bone Cavities
Elute, Inc.
- Location
- Washington D.C., DC + 11 other US sites
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Diagnosis of Abdominal Pain Using RNA Levels: The NATURAL Study
True Bearing Diagnostics, Inc.
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 7+
- RecruitingHealthy volunteersPhase 2
A Study to Learn About mRNA Vaccines Against Influenza in Adults
Pfizer
- Location
- Washington D.C., DC + 14 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparison of Transforming Powder Dressing to NPIAP Recommended Standard of Care Therapies in Stage 2, 3 and 4 Pressure Injuries
ULURU Inc.
- Location
- Washington D.C., DC + 12 other US sites
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersPhase 4
Acute Partial Thickness Burn Study Comparing Transforming Powder Dressing to Standard of Care Dressing
ULURU Inc.
- Location
- Washington D.C., DC + 5 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Apple Health Study
Apple Inc.
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study to See if Tolvaptan is Safe in Infants and Children Who at Enrollment Are 28 Days to Less Than 18 Years Old With Autosomal Recessive Polycystic Kidney Disease (ARPKD)
Otsuka Pharmaceutical Development & Commercialization, Inc.
- Location
- Washington D.C., DC + 5 other US sites
- Eligibility basics
- Ages 1 mo–18
- RecruitingPhase 3
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
TG Therapeutics, Inc.
- Location
- Washington D.C., DC + 35 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)
Merck Sharp & Dohme LLC
- Location
- Washington D.C., DC + 70 other US sites
- Eligibility basics
- Ages 16–80
- Recruiting
GORE® TAG® Thoracic Branch Endoprosthesis Zone 0/1 Post-Approval Study
W.L.Gore & Associates
- Location
- Washington D.C., DC + 21 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD), Characterized by an Eosinophilic Phenotype
Sanofi
- Location
- Washington D.C., DC + 70 other US sites
- Eligibility basics
- Ages 40–80
- RecruitingPhase 3
Efficacy and Safety of a New Formulation of Oral Cladribine Compared With Placebo in Participants With Generalized Myasthenia Gravis (MyClad)
Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany
- Location
- Washington D.C., DC + 19 other US sites
- Eligibility basics
- Ages 18+
- Recruiting
Prevail Global Study
Medtronic Vascular
- Location
- Washington D.C., DC + 53 other US sites
- Eligibility basics
- Ages 18+