Location · Washington, DC
Clinical trials in Washington, DC
477 recruiting studies have a site in the Washington area, and 296 of them accept healthy volunteers. The area includes Bethesda, MD, Rockville, MD, Silver Spring, MD, Gaithersburg, MD, Chevy Chase, MD, Arlington, VA and nearby cities.
477 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Post-Concussion Musculoskeletal Injury Risks
Walter Reed National Military Medical Center
- Location
- Athens, GA + 1 other US site
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Clinical Validation of a Predictive Test for Postpartum Depression
University of Virginia
- Location
- Charlottesville, VA + 1 other US site
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 4
Retinal Blood Flow and Autoregulation
University of Maryland, Baltimore
- Location
- Baltimore, MD + 3 other US sites
- Eligibility basics
- Ages 18–88
- RecruitingHealthy volunteers
Evaluating the Status of Complex Aneuploidy to Locate Additional Transferrable Embryos
Shady Grove Fertility Reproductive Science Center
- Location
- Margate, FL + 9 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Get Better Together: Relationship Education For Military Couples
Henry M. Jackson Foundation for the Advancement of Military Medicine
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
National Mammography Database
American College of Radiology
- Location
- Reston, VA
- Eligibility basics
- Ages 2–99
- RecruitingHealthy volunteers
PrEP Intervention in Prince George's County, Maryland
George Mason University
- Location
- Fairfax, VA
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
SC2i Tissue and Data Repository Protocol
Henry M. Jackson Foundation for the Advancement of Military Medicine
- Location
- Atlanta, GA + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Effect of Sex Steroid Replacement Therapy in the Hypogonadism and Transgender Active-Duty Population
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Testicular Evaluation of Azoospermia Using Micro-Ultrasound
Paul Shin
- Location
- Rockville, MD
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
Transcranial Electrical Stimulation (TES) at Slow Oscillation (SO) Frequency During NREM Sleep
U.S. Army Medical Research and Development Command
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteersPhase 3
Filgrastim-Mobilized Stem Cells for Transplantation Using Unrelated Donors
Center for International Blood and Marrow Transplant Research
- Location
- Boca Raton, FL + 3 other US sites
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 4
Bladder Botox UTI Antibiotic Prophylaxis
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
An Evaluation of Two PTSD Assessments in an Active Duty and Military Veteran Sample
U.S. Army Medical Research and Development Command
- Location
- Honolulu, HI + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effect of Intradetrusor onabotulinumtoxinA Injection Versus Conservative Management on Female Sexual Function in Patients With Bladder Pain Syndrome
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–99 · Women only
- RecruitingHealthy volunteersPhase 4
Covid-19 Long Haul Preventative and Health Promotion Care Clinical Trial Acceleration Program.
Well- Konnect Healthcare Services and Research Firm
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4
Vaginal Estradiol vs Oral Beta-3 Agonist for Overactive Bladder Syndrome
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Acoustic Stimulation During Restricted Sleep After Sleep Deprivation
Walter Reed Army Institute of Research (WRAIR)
- Location
- Silver Spring, MD
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteers
The Effect of Teprotumumab on Thyroid Eye Disease and Thyroid Dysfunction
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The PCOS Challenge Study
PCOS Challenge: The National Polycystic Ovary Syndrome Association
- Location
- Bethesda, MD
- Eligibility basics
- Ages 12–80 · Women only
- RecruitingHealthy volunteersPhase 4
Standard Injections Versus Reduced Injections for Intravesical onabotulinumtoxinA Treatment of Overactive Bladder
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+