Paid Clinical Trials in Bethesda, MD

As of September 2026, 892 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: September 24, 2026.

Filter results

Filter results

State

City

Facility

Recruitment status

Phase

Study type

Intervention

Condition

Sex

Age

Healthy volunteers only

794 clinical trials

Get a weekly email when new trials open in Bethesda, MD.

Imaging and Biopsy of People With HIV-1 Undergoing Analytic Treatment Interruption

for HIV

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18 - 100

Code: NCT05419024·Phase 2·Recruiting·Listed Jun 2022

Apply to this trial

Investigation of the Antidepressant Effects of (2R,6R)-HNK, an Enhancer of Synaptic Glutamate Release, in Treatment-Resistant Depression

for Suicide

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 18 - 70

Code: NCT06511908·Phase 2·Recruiting·Listed Jul 2024

Apply to this trial

Viral Infections in Healthy and Immunocompromised Hosts

for Anogenital Herpes

1 location in Bethesda

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

Sex: All·Age: 6 Months - 120·Accepts healthy volunteers

Code: NCT01306084·Recruiting·Listed Mar 2011

Apply to this trial

Prospective Evaluation of Next Generation CT Reconstruction (NextGenIR)

for Healthy Subjects

1 location in Bethesda

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

Sex: All·Age: 18 - 99

Code: NCT02417714·Recruiting·Listed Apr 2015

Apply to this trial

Acquisition of Blood and Tumor Tissue Samples From Patients With Gastrointestinal Cancer

for Non-GI Cancers

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT01313442·Recruiting·Listed Mar 2011

Apply to this trial

Genotype-Phenotype Study of Patients With Plaquenil -Induced Retinal Toxicity, With Evaluation of the ABCA4 Gene

for Genotype

1 location in Bethesda

Sponsor: National Eye Institute (NEI)

Sex: All·Age: 18 - 120

Code: NCT01145196·Recruiting·Listed Jun 2010

Apply to this trial

Oral Specimen and Data Acquisition Study of Subjects Requiring Third Molar Removal

for Stomatognatic

1 location in Bethesda

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

Sex: All·Age: 16 - 50·Accepts healthy volunteers

Code: NCT01805869·Recruiting·Listed Mar 2013

Apply to this trial

A Phase I Trial Anti-CC Chemokine Receptor 4 Chimeric Antigen Receptor T Cells (CCR4 CAR T Cells) for CCR4 Expressing T-cell Malignancies Including Peripheral T-cell Non-Hodgkin Lymphoma (PTCL) and Cutaneous T-cell Non-Hodgkin Lymphoma (CTCL)

for Relapsed and/or Refractory Mature T Cell Malignancy

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18 - 120

Code: NCT07055477·Phase 1·Recruiting·Listed Jul 2025

Apply to this trial

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·Listed Nov 1999

Apply to this trial

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 - 120

Code: NCT00006518·Recruiting·Listed Nov 2000

Apply to this trial

Cyclin-Dependent Kinase (CDK)4/6 Inhibitor Abemaciclib for Neurofibromatosis Type I (NF1) Related Atypical Neurofibromas

for Neurofibromatosis 1

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 12+

Code: NCT04750928·Phase 1, Phase 2·Recruiting·Listed Feb 2021

Apply to this trial

Apheresis of Patients With Immunodeficiency

for LAD-1

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18 - 40

Code: NCT01212055·Recruiting·Listed Sep 2010

Apply to this trial

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

1 location in Bethesda

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

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

Code: NCT00001281·Recruiting·Listed Nov 1999

Apply to this trial

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·Listed Nov 1999

Apply to this trial

NIAID Centralized Sequencing Protocol

for Atopy

Sites in Bethesda +1 more location

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

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

Code: NCT03206099·Recruiting·Listed Jul 2017

Apply to this trial

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·Listed Nov 1999

Apply to this trial

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·Listed Nov 1999

Apply to this trial

Phase II Trial of Combination Anti-PD-1 and Aldesleukin for Metastatic Melanoma and Renal Cell Carcinoma

for Metastatic Melanoma

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18 - 120

Code: NCT05155033·Phase 2·Recruiting·Listed Dec 2021

Apply to this trial

Imaging Studies to Check the Local Response of Prostate Cancer to Radiation Therapy

for Prostatic Neoplasms

1 location in Bethesda

Sponsor: National Cancer Institute (NCI)

Sex: Male·Age: 18 - 120

Code: NCT01834001·Recruiting·Listed Apr 2013

Apply to this trial

Natural History of Sickle Cell Disease

for Pain Crisis

Sites in Bethesda +1 more location

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

Sex: All·Age: 2 - 90

Code: NCT00081523·Recruiting·Listed Apr 2004

Apply to this trial

Evaluating New Radiation Techniques for Cardiovascular Imaging

for Coronary Disease

1 location in Bethesda

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

Sex: All·Age: 18 - 100

Code: NCT01621594·Recruiting·Listed Jun 2012

Apply to this trial

Epstein-Barr Virus (EBV) gH/gL/gp42-Ferritin Nanoparticle Vaccine With or Without gp350-Ferritin in Healthy Adults With or Without EBV Infection

for EBV

1 location in Bethesda

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

Sex: All·Age: 18 - 29·Accepts healthy volunteers

Code: NCT06908096·Phase 1·Recruiting·Listed Apr 2025

Apply to this trial

VRC 900: Evaluation of Tissue-Specific Immune Responses in Adults 18 Years of Age and Older

for Immunity, Mucosal

1 location in Bethesda

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

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

Code: NCT01132859·Recruiting·Listed May 2010

Apply to this trial

Longitudinal Studies of Patient With FPDMM

for Inherited Hematological Diseases

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

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

Code: NCT03854318·Recruiting·Listed Feb 2019

Apply to this trial

A Repository to Study Host-Microbiome Interactions in Health and Disease

for Healthy Controls

1 location in Bethesda

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

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

Code: NCT05656378·Recruiting·Listed Dec 2022

Apply to this trial

A Natural History Study of RYR1-Related Disorders

for Ryanodine Receptor 1-Related Myopathy

1 location in Bethesda

Sponsor: National Institutes of Health Clinical Center (CC)

Sex: All·Age: 7 - 100

Code: NCT06287762·Recruiting·Listed Mar 2024

Apply to this trial

Hematopoietic Stem Cell Mobilization in Idiopathic CD4 Lymphocytopenia Patients and Healthy Controls for the Study of T Cell Maturation and Trafficking in Murine Models

for Idiopathic CD4-Positive

1 location in Bethesda

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

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

Code: NCT02015013·Phase 2·Recruiting·Listed Dec 2013

Apply to this trial

Unrelated Umbilical Cord Blood Transplantation for Severe Aplastic Anemia and Hypo-plastic MDS Using CordIn(TM), Umbilical Cord Blood-Derived Ex Vivo Expanded Stem and Progenitor Cells to Expedite Engraftment and Improve Transplant Outcome

for Severe Aplastic Anemia

1 location in Bethesda

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

Sex: All·Age: 4 - 75

Code: NCT03173937·Phase 1, Phase 2·Recruiting·Listed Jun 2017

Apply to this trial

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·Listed Mar 2000

Apply to this trial

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·Listed May 2003

Apply to this trial

The Lowest Effective Dose of Post-Transplantation Cyclophosphamide in Combination With Sirolimus and Mycophenolate Mofetil as Graft-Versus-Host Disease Prophylaxis After Reduced Intensity Conditioning and Peripheral Blood Stem Cell Transplantation

for Peripheral Blood Stem Cell Transplantation

Sites in Bethesda +1 more location

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 12 - 120·Accepts healthy volunteers

Code: NCT05436418·Phase 1, Phase 2·Recruiting·Listed Jun 2022

Apply to this trial

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·Listed Jan 2002

Apply to this trial

Psychological Treatments for Youth With Severe Irritability.

for Irritability

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 8 - 17

Code: NCT02531893·Recruiting·Listed Aug 2015

Apply to this trial

Cybersickness Prevention and Mitigation in Virtual Reality for Healthy Volunteers

for Healthy Volunteers

Sites in Bethesda +1 more location

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 18 - 60

Code: NCT06552754·Recruiting·Listed Aug 2024

Apply to this trial

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·Listed Nov 1999

Apply to this trial

Role of Genetic Factors in the Development of Lung Disease

for Cystic Fibrosis

1 location in Bethesda

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

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

Code: NCT00001532·Recruiting·Listed Nov 1999

Apply to this trial

Clinical and Laboratory Study of Methylmalonic Acidemia

for Organic Acidemia

Sites in Bethesda +1 more location

Sponsor: National Human Genome Research Institute (NHGRI)

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

Code: NCT00078078·Recruiting·Listed Feb 2004

Apply to this trial

Genomic Services Research Program

for Colon Cancer

1 location in Bethesda

Sponsor: National Human Genome Research Institute (NHGRI)

Sex: All·Age: 1 Month - 105

Code: NCT02595957·Recruiting·Listed Nov 2015

Apply to this trial

Send-In Sample Collection to Achieve Genetic and Immunologic Characterization of Primary Immunodeficiencies

for Primary Immunodeficiency

1 location in Bethesda

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

Sex: All·Age: 1 Day - 99

Code: NCT03610802·Recruiting·Listed Aug 2018

Apply to this trial

Mechanism of Action Underlying Ketamine's Antidepressant Effects: The AMPA Throughput Theory in Patients With Treatment-Resistant Major Depression

for Depression

1 location in Bethesda

Sponsor: National Institute of Mental Health (NIMH)

Sex: All·Age: 18 - 70

Code: NCT03973268·Phase 1·Recruiting·Listed Jun 2019

Apply to this trial