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Clinical Trials Directory

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

24,812 studies found

Recruiting
Natural History and Development of Spondyloarthritis

Conditions: Arthritis, Spondylitis, Ankylosing

National Institutes of Health Clinical Center Bethesda...

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

Conditions: Prostatic Neoplasms, Prostate Cancer

National Institutes of Health Clinical Center Bethesda...

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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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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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Diabetes and Heart Disease Risk in Blacks

Conditions: Cardiovascular Diseases, Diabetes, Obesity, Hypertension

National Institutes of Health Clinical Center Bethesda...

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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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Tirzepatide in MetALD

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

National Institutes of Health Clinical Center Bethesda...

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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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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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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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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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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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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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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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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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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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