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Clinical Trials Directory

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

47,655 studies found

Completed
Exploring Gut-Brain and Brain-Gut Interactions in Alcohol Use Disorder Via Microbiota Investiga...

Conditions: Alcoholism

National Institutes of Health Clinical Center Bethesda...

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Completed
Health Behavior in School-Age Children: NEXT Longitudinal Study 2009-2016

Conditions: Adolescent Health

National Institute of Child Health and Human Developmen...

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Completed
Clinical and Physiological Studies of Tremor Syndromes

Conditions: Parkinson Disease, Dystonia, Essential Tremor

National Institutes of Health Clinical Center Bethesda...

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Completed
Cholinergic Receptor Imaging in Dystonia

Conditions: Cervical Dystonia, Dystonia, Movement Disorder, Focal Dystonia

National Institutes of Health Clinical Center Bethesda...

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Completed
Blood Markers of Inflammation, Blood Clotting and Blood Vessel Function in HIV-infected Adults

Conditions: Inflammation, Pathologic Processes

National Institutes of Health Clinical Center Bethesda...

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Completed
Effects of Hydrocortisone, Melatonin, and Placebo on Jet Lag

Conditions: Jet Lag

National Institutes of Health Clinical Center Bethesda...

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Enrolling By Invitation
Long-term Observation of Hemagglutinin and Neuraminidase Inhibition Antibody Titers After Influ...

Conditions: Post Influenza

National Institutes of Health Clinical Center Bethesda...

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Completed
Clinical Laboratory Evaluation of Chronic Autonomic Failure

Conditions: Parkinson's Disease, Multiple System Atrophy, Autonomic Failure

National Institutes of Health Clinical Center Bethesda...

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Completed
A New Method for Determining Gastric Acid Output Using a Wireless Capsule

Conditions: Gastric Acid Secretory Disorders

National Institutes of Health Clinical Center Bethesda...

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Completed
Study of People With Generalized Arterial Calcification of Infancy (GACI) or Autosomal Recessiv...

Conditions: Generalized Arterial Calcification of Infancy, Autosomal Recessive Hypophosphate...

National Institutes of Health Clinical Center Bethesda...

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Completed
Natural History of Anthrax: a Study of Primary Infected, Recovered, and Exposed Individuals (SP...

Conditions: Anthrax, Bacillus Infections

National Institutes of Health Clinical Center Bethesda...

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Completed
Development of Non-Invasive Brain Stimulation Techniques

Conditions: Normal Physiology

National Institutes of Health Clinical Center Bethesda...

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Completed
Energy Expenditure Responses to Different Temperatures

Conditions: Obesity, Normal Physiology

National Institutes of Health Clinical Center Bethesda...

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Enrolling By Invitation
Follow-Up Evaluation for Gene-Therapy-Related Delayed Adverse Events After Participation in Ped...

Conditions: Pediatric Cancers, Hematologic Malignancies, Solid Tumors

National Institutes of Health Clinical Center Bethesda...

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Completed
Trial to Evaluate the Safety, Tolerability, and Immunogenicity of a Mosaic Hexavalent Influenza...

Conditions: Influenza

National Institutes of Health Clinical Center Bethesda...

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Completed
Study of Heart Transplant Rejection

Conditions: Heart Transplantation

National Institutes of Health Clinical Center Bethesda...

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Completed
Inpatient Evaluation of Adults With Schizophrenia

Conditions: Schizophrenia

National Institutes of Health Clinical Center Bethesda...

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Completed
Studies of the Natural History, Pathogenesis, and Outcome of Autoinflammatory Diseases Includin...

Conditions: Autoinflammatory Disease, Juvenile Dermatomyositis

National Institutes of Health Clinical Center Bethesda...

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Completed
Pathophysiology of Acute Pain in Patients With Sickle Cell Disease

Conditions: Sickle Cell Disease

National Institutes of Health Clinical Center Bethesda...

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Terminated
Study of Inborn Errors of Cholesterol Synthesis and Related Disorders

Conditions: Lysosomal Storage Disease, Cholesterol Metabolism

National Institutes of Health Clinical Center Bethesda...

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Completed
Quality of Life in Patients Who Have Undergone Stem Cell Transplant

Conditions: Long Term Psychological Affects on HSCT

National Institutes of Health Clinical Center Bethesda...

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Completed
Modulation of Motor Function by Stimulation of the Central and Peripheral Nervous System

Conditions: Motor Function of Healthy Physiology

National Institutes of Health Clinical Center Bethesda...

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Completed
Sample Collection for Systems Evaluation of Patients With Unknown or Incompletely Characterized...

Conditions: Immunodeficiency

National Institutes of Health Clinical Center Bethesda...

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Enrolling By Invitation
Gene Therapy Follow-up Protocol for People Previously Enrolled in CAR-T Cell Studies

Conditions: Lyphoma, B-Cell, Leukemia, B-cell, Multiple Myeloma, Hematologic Malignancies

National Institutes of Health Clinical Center Bethesda...

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