Younger adults · District of Columbia
Studies for younger adults in District of Columbia
These studies accept adults from 21 or younger and set an upper age limit of 45 or below, so they are aimed at younger adults. Being in the age range does not mean you qualify; screening decides.
21 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- 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 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
- 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 2
A Study of Belumosudil in Children With Chronic Graft Versus Host Disease (schoolROCK)
Sanofi
- Location
- Washington D.C., DC + 6 other US sites
- Eligibility basics
- Ages 1–18
- RecruitingPhase 2
Safety and Efficacy Study of Intracystic TARA-002 for the Treatment of Lymphatic Malformations in Participants 6 Months to Less Than 18 Years of Age
Protara Therapeutics
- Location
- Washington D.C., DC + 8 other US sites
- Eligibility basics
- Ages 6 mo–18
- Recruiting
Pediatric Percutaneous Ultrasound Gastrostomy Technique
CoapTech
- Location
- Washington D.C., DC + 2 other US sites
- Eligibility basics
- Ages 0 mo–21
- RecruitingPhase 3
Beeline: A Phase 3 Study in GRIN-related Neurodevelopmental Disorder
GRIN Therapeutics, Inc.
- Location
- Washington D.C., DC + 15 other US sites
- Eligibility basics
- Ages 1 mo–18
- RecruitingPhase 3
Fontan Udenafil Exercise Longitudinal Assessment Trial - 2
Mezzion Pharma Co. Ltd
- Location
- Washington D.C., DC + 34 other US sites
- Eligibility basics
- Ages 12–18
- RecruitingHealthy volunteers
Combatting HIV Or Other STIs Early (CHOOSE)
Westat
- Location
- Washington D.C., DC + 5 other US sites
- Eligibility basics
- Ages 13–24 · Men only
- RecruitingHealthy volunteers
Youth-Onset Type 2 Diabetes and Heart Disease: The Young at Heart Prospective Cohort Study
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 12–25
- RecruitingHealthy volunteers
How a Single Workout Affects Gut Bugs in Women With Different Fitness Levels and Body Types
George Washington University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 21–40 · Women only
- RecruitingHealthy volunteers
Physiologic Measure of VIPN
Children's National Research Institute
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 6–18
- RecruitingHealthy volunteers
Health-E You Efficacy Trial for Male Adolescents
Johns Hopkins University
- Location
- Washington D.C., DC + 7 other US sites
- Eligibility basics
- Ages 13–21 · Men only
- RecruitingHealthy volunteers
Cognitive Outcomes After Brain Substructure-informed Radiation Planning in Pediatric Patients
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 1–26
- RecruitingHealthy volunteers
Health Information Technology to Reduce Disparities in Adolescent Health Outcomes: A Pragmatic Trial
Children's National Research Institute
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 15–21
- RecruitingHealthy volunteers
Effects of a Non-nutritive Sweetener Reduction Intervention in Pregnancy and Lactation on Maternal and Infant Outcomes
George Washington University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 2
Effectiveness Study of a Lifestyle Intervention Versus Metformin in Mothers With Recent Gestational Diabetes
George Washington University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Empowering Young Parents: Building Healthy Relationships Study
RTI International
- Location
- Washington D.C., DC + 6 other US sites
- Eligibility basics
- Ages 14–21 · Women only
- RecruitingHealthy volunteers
Cerebellum and Autism: Regional Specialization for Social and Executive Functions
American University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Augmented Reality For MRI-Guided Interventions
Children's National Research Institute
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 3–21
- RecruitingHealthy volunteers
Connect to Baby: A Pilot Study of a Parenting and Coparenting Program
Georgetown University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 2 mo–40