Paid Clinical Trials in Bethesda, MD

As of June 2026, 932 paid clinical trials are recruiting in Bethesda, Maryland. Compensation typically covers time, travel, and study visits, with stipends ranging from modest amounts for short outpatient studies to several thousand dollars for long or inpatient protocols.

Both patients with specific conditions and healthy volunteers can qualify. Most trials offer free study-related medical care alongside compensation.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: June 12, 2026.

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932 clinical trials

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Genetic Basis of Immunodeficiency

for Severe Combined Immunodeficiency

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 6 Months - 99

Code: NCT00055172·Recruiting

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Biology Studies of Hematologic Cancers

for Acute Lymphoblastic Leukemia

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 1 - 120

Code: NCT00923442·Enrolling By Invitation

Study of Lung Proteins in Patients With Pneumonia

for Pneumonia

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 3 - 99

Code: NCT00077909·Recruiting

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Causes and Natural History of Dyslipidemias

for Hypercholesterolemia

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 2 - 100

Code: NCT00353782·Recruiting

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Collection of Tissue Specimens From Patients With Solid Tumors or Blood Disorders and Their HLA-Compatible Family Members

for Neoplasms

1 location in Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 2 - 100·Accepts healthy volunteers

Code: NCT00071045·Recruiting

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Apheresis and Specimen Collection Procedures to Obtain Plasma, Peripheral Blood Mononuclear Cells (PBMCs) and Other Specimens for Research Studies

for Sample Collection

2 locations incl. Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 3+·Accepts healthy volunteers

Code: NCT00067054·Recruiting

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Harvesting Cells for Experimental Cancer Treatments

for Melanoma

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT00068003·Enrolling By Invitation

Evaluation and Treatment of Neurosurgical Disorders

for Neurologic Disorders

1 location in Bethesda

Sponsor: National Institute of Neurological Disorders and Stroke (NINDS)

Sex: All·Age: 4 - 99

Code: NCT00060541·Recruiting

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Studies of the Natural History, Pathogenesis, and Outcome of Autoinflammatory Diseases Including Juvenile Dermatomyositis

for Autoinflammatory Disease

1 location in Bethesda

Sponsor: National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)

Sex: All·Age: 2 - 100

Code: NCT00059748·Recruiting

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MRI Study of Musculoskeletal Function

for Abnormalities

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 5 - 95·Accepts healthy volunteers

Code: NCT00051857·Recruiting

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Hereditary Leiomyomatosis Renal Cell Cancer - Study of the Genetic Cause and the Predisposition to Renal Cancer

for Renal Tumor Histology

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 2+·Accepts healthy volunteers

Code: NCT00050752·Recruiting

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Blood Collection for Research Related to Certain Diseases Involving Blood Vessels

for Sickle Cell Disease

2 locations incl. Bethesda

Sponsor: National Heart, Lung, and Blood Institute (NHLBI)

Sex: All·Age: 18 - 100·Accepts healthy volunteers

Code: NCT00047996·Enrolling By Invitation

Natural History of Anthrax: a Study of Primary Infected, Recovered, and Exposed Individuals (SPoRE); and Evaluation of AVA-Vaccinated Recipients

for Anthrax

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 3 - 100

Code: NCT00050310·Recruiting

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Study of Factors Regulating Mast Cell Proliferation

for Mastocytosis

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 1 Day - 80·Accepts healthy volunteers

Code: NCT00044122·Recruiting

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Study of Chediak-Higashi Syndrome

for Chediak-Higashi Syndrome

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Month - 70

Code: NCT00005917·Recruiting

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Collection of Blood From Patients With Cancer

for Prostate Cancer

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT00034216·Recruiting

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Leukapheresis Procedures to Obtain Plasma and Lymphocytes for Research Studies on Antiretroviral Naive HIV-1 Research Participants

for HIV

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 18 - 120

Code: NCT00039689·Recruiting

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Clinical, Laboratory, and Epidemiologic Characterization of Individuals and Families at High Risk of Melanoma

for Melanoma

2 locations incl. Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 4 Weeks - 99·Accepts healthy volunteers

Code: NCT00040352·Recruiting

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Genetic Analysis of Birt Hogg-Dube Syndrome and Characterization of Predisposition to Kidney Cancer

for Kidney Neoplasms

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 2+·Accepts healthy volunteers

Code: NCT00033137·Recruiting

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Genetic Studies of Chronic Active Epstein-Barr Disease

for Chronic Active Epstein-Barr Virus

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 1 - 120

Code: NCT00032513·Recruiting

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Natural History of Glycosphingolipid Storage Disorders and Glycoprotein Disorders

for Neurological Regression

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Day - 100

Code: NCT00029965·Recruiting

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Evaluation, Treatment, and Follow-up of Patients With Lyme Disease

for Lyme Disease

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 2 - 99

Code: NCT00028080·Recruiting

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Studies of Brain Function and Course of Illness in Pediatric Bipolar Disorder

for Mood Disorder

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 7 - 60

Code: NCT00025935·Recruiting

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Collection of Blood and Urine From Patients Undergoing Radiation Therapy

for Carcinoma

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18 - 120

Code: NCT00027326·Enrolling By Invitation

Diagnosis and Treatment of Leishmania Infections

for Leishmaniasis

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 3 - 100

Code: NCT00344188·Recruiting

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Cancer in Inherited Bone Marrow Failure Syndromes

for Diamond Blackfan Anemia

2 locations incl. Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 1 Day - 100·Accepts healthy volunteers

Code: NCT00027274·Recruiting

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A Natural History Study of Bone and Mineral Disorders

for Tumor Induced Osteomalcia

1 location in Bethesda

Sponsor: National Institute of Dental and Craniofacial Research (NIDCR)

Sex: All·Age: 1 Day - 100

Code: NCT00024804·Recruiting

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Phenotype/Genotype Correlations in Movement Disorders

for Movement Disorder

1 location in Bethesda

Sponsor: National Institute of Neurological Disorders and Stroke (NINDS)

Sex: All·Age: 2 - 100

Code: NCT00018889·Recruiting

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Studies of the Natural History of Rheumatic Diseases

for Rheumatic Diseases

1 location in Bethesda

Sponsor: National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)

Sex: All·Age: 18 - 100

Code: NCT00024479·Recruiting

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Study of Neuro-Cognitive Correlates of Pediatric Anxiety Disorders

for Anxiety Disorders

2 locations incl. Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 8 - 65·Accepts healthy volunteers

Code: NCT00018057·Phase 2·Recruiting

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Leukapheresis to Obtain Plasma or Lymphocytes for Studies of HIV-infected Patients, Including Long-term Non-progressors

for HIV

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 18 - 100

Code: NCT00029445·Recruiting

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Evaluation of Patients With Mood and Anxiety Disorders and Healthy Volunteers

for Mood Disorders

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 3 - 99·Accepts healthy volunteers

Code: NCT00024635·Recruiting

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Natural History of Stroke: Cause and Development

for Brain Disease

3 locations incl. Washington D.C.

Sponsor: National Institute of Neurological Disorders and Stroke (NINDS)

Sex: All·Age: 18 - 120

Code: NCT00009243·Recruiting

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Collection and Distribution of Blood Components From Healthy Donors for In Vitro Research Use

for Blood Donors

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 18 - 100·Accepts healthy volunteers

Code: NCT00001846·Recruiting

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Study of Mycobacterial Infections

for Mycobacterium Infections

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: Up to 100·Accepts healthy volunteers

Code: NCT00018044·Recruiting

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Specimen Collections From Participants With HIV Infection, KSHV Infection, Viral-Related Pre-malignant Lesions and Cancer

for HIV

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT00006518·Recruiting

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Natural History, Management, and Genetics of the Hyperimmunoglobulin E Recurrent Infection Syndrome (HIES)

for Infections

1 location in Bethesda

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Sex: All·Age: 1 Month - 120·Accepts healthy volunteers

Code: NCT00006150·Recruiting

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Study of New Magnetic Resonance Imaging Methods of the Brain

for Healthy Volunteer

1 location in Bethesda

Sponsor: National Institute of Neurological Disorders and Stroke (NINDS)

Sex: All·Age: 18 - 120·Accepts healthy volunteers

Code: NCT00004577·Recruiting

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Study of Alkaptonuria

for Alkaptonuria

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 2 - 115

Code: NCT00005909·Recruiting

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Diagnosis of Pheochromocytoma

for Pheochromocytoma

1 location in Bethesda

Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

Sex: All·Age: 3 - 120

Code: NCT00004847·Phase 1·Recruiting

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