Clinical Trials at National Institutes of Health Clinical Center

As of June 2026, 660 paid clinical trials are recruiting at National Institutes of Health Clinical Center in Bethesda, Maryland. Compensation typically covers time, travel, and study visits — most studies also offer study-related medical care at no cost to participants.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: June 3, 2026.

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660 clinical trials at National Institutes of Health Clinical Center

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A Longitudinal Study of Familial Hypereosinophilia (FE): Natural History and Markers of Disease Progression

for Eosinophilia

1 location in Bethesda

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

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

Code: NCT00091871·Recruiting

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Long-term Evaluation and Follow-up Care of Patients Treated With Stem Cell Transplants

for Graft-versus-leukemia

1 location in Bethesda

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

Sex: All·Age: 7 - 80·Accepts healthy volunteers

Code: NCT00106925·Recruiting

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Use of Tracking Devices to Locate Abnormalities During Invasive Procedures

for Adenocarcinoma

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 18 - 120

Code: NCT00102544·Enrolling By Invitation

Collection of Data and Samples From Healthy Donors for Use in Translational Research

for Healthy Volunteer

1 location in Bethesda

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

Sex: All·Age: 18 - 85·Accepts healthy volunteers

Code: NCT00090662·Recruiting

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Natural History Study of Clinical and Biological Factors Determining Outcomes in Chronic Graft-Versus-Host Disease

for Chronic Graft vs. Host Disease

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 1 - 120

Code: NCT00092235·Recruiting

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Follow-Up Study of Subjects Previously Enrolled in Poxviral Vector Gene Transfer Studies

for Prostate Cancer

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

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

Code: NCT00451022·Recruiting

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Collection of Blood and Urine Samples in Patients Receiving Radiation Therapy for Glioblastoma Multiforme

for Glioblastoma Multiforme

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT00083512·Recruiting

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Data Collection, Clinical Care and Interventions in CCR, NCI

for Neoplasms

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 4 Weeks - 120·Accepts healthy volunteers

Code: NCT00923065·Enrolling By Invitation

Clinical and Laboratory Study of Methylmalonic Acidemia

for Organic Acidemia

3 locations incl. Washington D.C.

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Month - 115·Accepts healthy volunteers

Code: NCT00078078·Recruiting

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Natural History of Sickle Cell Disease

for Pain Crisis

3 locations incl. Washington D.C.

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

Sex: All·Age: 2 - 90

Code: NCT00081523·Recruiting

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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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