Location · Maryland
Clinical trials recruiting in Maryland
891 recruiting studies have at least one site in Maryland; 511 accept healthy volunteers. Studies that need a specific condition are included too, so check each listing.
Want the research companies that run paid Phase 1 studies for healthy volunteers? Paid clinical trial companies in Maryland.
891 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD + 23 other US sites
- Eligibility basics
- Ages 1 mo–100
- RecruitingHealthy volunteers
Genetics of Inherited Eye Disease
National Eye Institute (NEI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1–120
- RecruitingHealthy volunteersPhase 2
Neurobiology of Suicide
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Development and Validation of Patient Reported Outcome (PRO) Measures for Individuals With Neurofibromatosis 1 (NF1) and Plexiform Neurofibromas (pNFs)
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Rod and Cone Mediated Function in Retinal Disease
National Eye Institute (NEI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–100
- RecruitingHealthy volunteers
Collection of Peripheral Blood Mononuclear Cells (PBMCs) From Healthy People for the Expansion of T Cells for Adoptive Cell Therapy
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Long-Term Follow up of Patients Undergoing Hematopoietic Stem Cell Transplantation, Cellular Therapy, or Gene Therapy
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 4–120
- RecruitingHealthy volunteers
Perception, Sensation, Cognition and Action in Humans
National Eye Institute (NEI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 13–65
- RecruitingHealthy volunteers
Natural History and Biospecimen Acquisition for Children and Adults With Rare Solid Tumors
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 2 other US sites
- Eligibility basics
- Ages 1 mo+
- RecruitingHealthy volunteers
Long-Term Follow-Up of Survivors of Pediatric Cushing Disease
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–90
- RecruitingHealthy volunteers
Unraveling the Mechanisms Underlying Primary Sclerosing Cholangitis Through a Multidisciplinary, Integrative Research Approach
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Cognitive Aftereffects of Neurotoxicity in Children and Young Adults With Relapsed/Refractory Hematologic Malignancies Who Receive CAR T-cell Therapy
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 2 other US sites
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Comprehensive Molecular and Clinical Evaluation of Pediatric and Adult MDS
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–120
- RecruitingHealthy volunteers
Rare Tumors and Cancer Predisposition in Individuals and Families
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Acceptance and Commitment Therapy for Caregivers of Children With a RASopathy: An Internal Pilot Feasibility Study and Follow-up Randomized Controlled Trial
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
NIH Investigative Deep Phenotyping Study of Gulf War Veteran Health (Project NIH IN-DEPTH)
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 48–70
- RecruitingHealthy volunteers
Collection of Blood, Bone Marrow, Skin, Saliva, and Stool Samples From Healthy Volunteers Used for Comparative Analysis of Myeloid Malignancies
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Assessing and Improving Quantitative Magnetic Resonance Imaging Metrics in Human Subjects
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Linking Youth to Pre-Exposure Prophylaxis (PrEP) Services
Westat
- Location
- Baltimore, MD + 3 other US sites
- Eligibility basics
- Ages 13–24
- RecruitingHealthy volunteers
Natural History of Treated Neurocysticercosis and Long-Term Outcomes
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–99
- RecruitingHealthy volunteers
Studies of the Pathogenesis of HIV Infection in Human Peripheral Blood Cells and/or Body Fluids in People Living With and Without HIV
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2 mo–115
- RecruitingHealthy volunteers
Recruitment and Apheresis Collection of Peripheral Blood Hematopoietic Stem Cells, Mononuclear Cells and Granulocytes
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
MRI Study of Musculoskeletal Function
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–95