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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Study of Inherited Neurological Disorders

for Motor Neuron Disease

1 location in Bethesda

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

Sex: All·Age: 2 - 120

Code: NCT00004568·Recruiting

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Evaluation of Late Effects and Natural History of Disease in Patients Treated With Radiotherapy

for Cancer

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT00026650·Recruiting

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Study of Skin Tumors in Tuberous Sclerosis

for Tuberous Sclerosis

1 location in Bethesda

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

Sex: All·Age: 18 - 90

Code: NCT00001975·Recruiting

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Evaluation for NCI Surgery Branch Clinical Research Protocols

for Synovial Cell Cancer

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT00001823·Recruiting

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Screening and Natural History of Patients With Polyostotic Fibrous Dysplasia and the McCune-Albright Syndrome

for McCune-Albright Syndrome

1 location in Bethesda

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

Sex: All·Age: 1 Day - 100

Code: NCT00001727·Recruiting

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Diabetes and Heart Disease Risk in Blacks

for Cardiovascular Diseases

1 location in Bethesda

Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Sex: All·Age: 18 - 70·Accepts healthy volunteers

Code: NCT00001853·Recruiting

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Evaluation, Treatment and Monitoring of Patients With a Known or Suspected Parasitic Infection

for Malaria

1 location in Bethesda

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

Sex: All·Age: 3+

Code: NCT00001645·Recruiting

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Immune Regulation in Ulcerative Colitis or Crohn s Disease

for Inflammatory Bowel Disease

1 location in Bethesda

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

Sex: All·Age: 1 Day - 75·Accepts healthy volunteers

Code: NCT00001184·Recruiting

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Evaluation of Patients With HAM/TSP

for HTLV-I Infection

1 location in Bethesda

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

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

Code: NCT00001778·Recruiting

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Collection of Serum and Tissue Samples From Patients With Biopsy-Proved or Suspected Malignant Disease

for Malignant Neoplasms

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

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

Code: NCT00026884·Recruiting

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Activation and Function of Eosinophils in Conditions With Blood or Tissue Eosinophilia

for Immune System Diseases

1 location in Bethesda

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

Sex: All·Age: 1 - 100

Code: NCT00001406·Recruiting

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An Investigation of Pituitary Tumors and Related Hypothalmic Disorders

for Panhypopituitarism

1 location in Bethesda

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

Sex: All·Age: 2 - 70·Accepts healthy volunteers

Code: NCT00001595·Recruiting

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Molecular Genetics Studies of Cancer Patients and Their Relatives

for Malignant Neoplasm

35 locations incl. Phoenix

Sponsor: City of Hope Medical Center

Sex: All·Age: All ages·Accepts healthy volunteers

Code: NCT04185935·Recruiting

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Screening for Hematology Branch Protocols

for Hematologic Disease and Disorders

1 location in Bethesda

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

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

Code: NCT00001620·Enrolling By Invitation

Role of Genetic Factors in the Development of Lung Disease

for Cystic Fibrosis

2 locations incl. Bethesda

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

Sex: All·Age: 2 - 90·Accepts healthy volunteers

Code: NCT00001532·Recruiting

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A Comprehensive Clinical, Microbiological and Immunological Assessment of Patients With Suspected Post Treatment Lyme Disease Syndrome and Selected Control Populations

for Lyme Disease

1 location in Bethesda

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

Sex: All·Age: 13 - 99·Accepts healthy volunteers

Code: NCT00001539·Recruiting

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Improved Methods of Cell Selection for Bone Marrow Transplant Alternatives

for Graft-Versus-Host Disease

1 location in Bethesda

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

Sex: All·Age: 18 - 60·Accepts healthy volunteers

Code: NCT00001529·Recruiting

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Study of the Disease Process of Lymphangioleiomyomatosis

for Lung Disease

1 location in Bethesda

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

Sex: All·Age: 16 - 100

Code: NCT00001465·Recruiting

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Clinical and Basic Investigations Into Hermansky-Pudlak Syndrome

for Hermansky-Pudlak Syndrome (HPS)

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Month - 115

Code: NCT00001456·Recruiting

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Adult and Juvenile Myositis

for Dermatomyositis

4 locations incl. Atlanta

Sponsor: National Institute of Environmental Health Sciences (NIEHS)

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

Code: NCT00017914·Recruiting

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Genetic Analysis of Immune Disorders

for DOK 8

1 location in Bethesda

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

Sex: All·Age: 1 Day - 101

Code: NCT00001467·Recruiting

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Human Movement Database

for Movement Disorder

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 1 Month - 99·Accepts healthy volunteers

Code: NCT00001252·Recruiting

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Genetic Studies of Lysosomal Storage Disorders

for Lysosomal Storage Disorders

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Week - 110·Accepts healthy volunteers

Code: NCT00001215·Enrolling By Invitation

Study of Proteus Syndrome and Related Congenital Disorders

for Proteus Syndrome

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Month - 99

Code: NCT00001403·Recruiting

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Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics

for Familial Mediterranean Fever (FMF)

5 locations incl. Washington D.C.

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 2 Months - 115·Accepts healthy volunteers

Code: NCT00001373·Recruiting

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Recruitment and Apheresis Collection of Peripheral Blood Hematopoietic Stem Cells, Mononuclear Cells and Granulocytes

for Granuloma

1 location in Bethesda

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

Sex: All·Age: 18 - 70·Accepts healthy volunteers

Code: NCT00001405·Recruiting

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Study of Systemic Lupus Erythematosus

for Systemic Lupus Erythematosus

1 location in Bethesda

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

Sex: All·Age: 3 - 120·Accepts healthy volunteers

Code: NCT00001372·Recruiting

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Studies of Blood Flow to the Brain During Thought

for Healthy Volunteer

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT00001360·Recruiting

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Detection and Characterization of Host Defense Defects

for Immune Defects

1 location in Bethesda

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

Sex: All·Age: 1 Month - 100

Code: NCT00001355·Recruiting

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Evaluation and Long-Term Follow-up of Patients With Inflammatory Disorders

for Inflammation

1 location in Bethesda

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

Sex: All·Age: 2+

Code: NCT00001351·Enrolling By Invitation

Study of Autoimmune Lymphoproliferative Syndrome (ALPS)

for Benign Lymphoproliferative Disorder

1 location in Bethesda

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

Sex: All·Age: Up to 99

Code: NCT00001350·Recruiting

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Fungal Infection Susceptibility

for Cryptococcal Infection

1 location in Bethesda

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

Sex: All·Age: 18 - 99·Accepts healthy volunteers

Code: NCT00001352·Recruiting

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Studies of the Pathogenesis of HIV Infection in Human Peripheral Blood Cells and/or Body Fluids in People Living With and Without HIV

for HIV

2 locations incl. Washington D.C.

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

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

Code: NCT00001281·Recruiting

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Viral Load in Blood and Lymph Tissues in People Living With HIV

for HIV

1 location in Bethesda

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

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

Code: NCT00001316·Recruiting

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Magnetic Resonance Imaging (MRI) to Evaluate Activity of Multiple Sclerosis (MS)

for Multiple Sclerosis

1 location in Bethesda

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

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

Code: NCT00001248·Recruiting

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Immune System Related Kidney Disease

for Kidney Disease

1 location in Bethesda

Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Sex: All·Age: 10 - 99

Code: NCT00001979·Recruiting

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Evaluation of Patients With Liver Disease

for Hepatitis D

1 location in Bethesda

Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

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

Code: NCT00001971·Recruiting

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Diagnosing and Treating Low Blood Sugar Levels

for Hypoglycemia

1 location in Bethesda

Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Sex: All·Age: 18 - 120

Code: NCT00001276·Recruiting

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Host Response to Infection and Treatment in Filarial Diseases

for Filariasis

1 location in Bethesda

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

Sex: All·Age: 3 - 100

Code: NCT00001230·Recruiting

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Von Hippel-Lindau (VHL): Clinical Manifestations, Diagnosis, Management and Molecular Bases of Inherited Renal and Other Urologic Malignant Disorders

for Kidney Cancer

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

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

Code: NCT00001238·Recruiting

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