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Clinical Trials Directory

Browse and search research studies sourced from ClinicalTrials.gov and our partner researchers.

44,319 studies found

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

Conditions: Blood Donors, Research Subjects, Apheresis

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Acute Effects of Alcohol on PET Imaging of Phosphodiesterase-4B (PDE4B)

Conditions: Alcohol Use Disorder

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Diabetes and Heart Disease Risk in Blacks

Conditions: Cardiovascular Diseases, Diabetes, Obesity, Hypertension

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Send-In Sample Collection to Achieve Genetic and Immunologic Characterization of Primary Immuno...

Conditions: Primary Immunodeficiency

National Institutes of Health Clinical Center Bethesda...

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Inflammatory and Infectious Diseases of the Nervous System

Conditions: Brain Disease

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Tirzepatide in MetALD

Conditions: Metabolic Alcohol-associated Liver Disease, Alcohol Use Disorder

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Human Movement Database

Conditions: Movement Disorder

National Institutes of Health Clinical Center Bethesda...

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Active Not Recruiting
A Pilot Study to Investigate the Safety and Clinical Activity of Avelumab (MSB0010718C) in Thym...

Conditions: Thymoma, Thymic Carcinoma

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Prospective Comprehensive Molecular Analysis of Endocrine Neoplasms

Conditions: Endocrine Tumors, Thyroid Neoplasms, Parathyroid Neoplasms, Adrenal Neoplasm, Ne...

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Normal Values in Hearing and Balance Testing

Conditions: Healthy Volunteer

National Institutes of Health Clinical Center Bethesda...

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Controls and Healthy Vasculature Initiative

Conditions: Vascular And Immunologic Diseases, Healthy Volunteers

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Mechanism of Action Underlying Ketamine's Antidepressant Effects: The AMPA Throughput Theory in...

Conditions: Depression, Major Depressive Disorder, Major Depression

National Institutes of Health Clinical Center Bethesda...

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The Natural History of Severe Viral Infections and Characterization of Immune Defects in Patien...

Conditions: EBV, HSV, VZV, HPV, CMV

National Institutes of Health Clinical Center Bethesda...

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Acute Infection in Mitochondrial Disease: Metabolism, Infection and Immunity

Conditions: Mitochondrial Disease

National Institutes of Health Clinical Center Bethesda...

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Natural History of Pregnancy and Pregnancy Outcomes in Metreleptin-Treated vs Untreated Subject...

Conditions: Lipodystrophy

National Institutes of Health Clinical Center Bethesda...

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Active Not Recruiting
Bintrafusp Alfa (M7824) in Subjects With Thymoma and Thymic Carcinoma

Conditions: Thymic Epithelial Tumor, Recurrent Thymoma, Thymic Cancer

National Institutes of Health Clinical Center Bethesda...

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Recruiting
The NIH MINI Study: Metabolism, Infection, and Immunity in Inborn Errors of Metabolism

Conditions: Oxidative Phosphorylation Deficiencies, Electron Transport Chain Disorders, Mito...

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Neuropharmacologic Imaging and Biomarker Assessments of Response to Acute and Repeated-Dosed Ke...

Conditions: Healthy Volunteer, Major Depressive Disorder, Depression

National Institutes of Health Clinical Center Bethesda...

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Recruiting
En-bloc Transurethral Resection of Bladder Tumor (En-bloc TURBT) Specimens Using a Redesigned S...

Conditions: Bladder Cancer

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Specimen Collections From Participants With HIV Infection, KSHV Infection, Viral-Related Pre-ma...

Conditions: HIV, Kaposi's Sarcoma, Lymphomas, Multicentric Castleman's Disease, Primary Effu...

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Genotype-Phenotype Study of Patients With Plaquenil -Induced Retinal Toxicity, With Evaluation...

Conditions: Genotype, Retinal Disease

National Institutes of Health Clinical Center Bethesda...

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Not Yet Recruiting
Microneurographic Assessment of Peripheral Nerves in Healthy Volunteers and Individuals With Se...

Conditions: PIEZO2-Deficiency Syndrome

National Institutes of Health Clinical Center Bethesda...

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Recruiting
Noninvasive Pre-surgical Evaluation of Patients With Focal Epilepsy and Establishment of a Norm...

Conditions: Epilepsy

National Institutes of Health Clinical Center Bethesda...

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

Conditions: HIV

National Institutes of Health Clinical Center Bethesda...

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