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Clinical Trials Directory

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

49,764 studies found

Completed
NK White Blood Cells and Interleukin in Children and Young Adults With Advanced Solid Tumors

Conditions: Solid Tumors, Brain Tumors, Sarcoma, Pediatric Cancers, Neuroblastoma

National Institutes of Health Clinical Center Bethesda...

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Completed
Natural History of Systemic and Nasal Mucosal Immunity to Influenza and SARS-CoV-2 in Adults Af...

Conditions: Influenza, COVID-19

National Institutes of Health Clinical Center Bethesda...

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Completed
A Study of the Safety of Mibavademab in Pediatric and Adult Participants Switching From Metrele...

Conditions: Generalized Lipodystrophy

National Institutes of Health Bethesda Maryland

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Suspended
Pilot Study to Investigate Magnetic Resonance (MR) Image Guided Focal Therapy in Prostate Cance...

Conditions: Prostate Cancer

National Institutes of Health Clinical Center Bethesda...

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Completed
Retrospective Study of Viral Reactivation Across All Bone Marrow Transplant Protocols Since 201...

Conditions: Viral Infections

National Cancer Institute (NCI) Bethesda Maryland

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Completed
Study of Premenstrual Syndrome and Premenstrual Dysphoria

Conditions: Mood Disorder

National Institutes of Health Clinical Center Bethesda...

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Completed
Genetics of COVID-19 Susceptibility and Manifestations

Conditions: COVID-19, Coronavirus 2019

National Institutes of Health Clinical Center Bethesda...

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Completed
Magnetic Resonance Imaging (MRI) of Neuropsychiatric Patients and Healthy Volunteers

Conditions: Schizophrenia, Normal Physiology

National Institutes of Health Clinical Center Bethesda...

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Completed
New Techniques for Using a Saline Wash as a Diagnostic Tool for Pneumocystis Pneumonia

Conditions: Pneumocystis Infection, Infection, Pneumonia, Pneumocystis, Lung Disease, Fungal...

National Institutes of Health Clinical Center Bethesda...

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Completed
Safety and Immunogenicity of an Epstein-Barr Virus (EBV) gp350-Ferritin Nanoparticle Vaccine in...

Conditions: EBV, Epstein-Barr Virus Infection, Infectious Mononucleosis

National Institutes of Health Clinical Center Bethesda...

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Enrolling By Invitation
Data Collection of Standard Care and Evaluation of NHLBI Patients and Donors

Conditions: Wide Spectrum of Diseases, Hematologic Diseases

National Institutes of Health Clinical Center Bethesda...

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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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