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Clinical Trials Directory

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

26,537 studies found

Completed
Complement (C1q) Binding to HLA Antibodies in a Solid-phase Immunoassay and Clinical Effect on...

Conditions: Thrombocytopenia, Platelet Transfusion Refractoriness

National Institutes of Health Clinical Center Bethesda...

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Completed
Brain Amyloid- Retention During Wakefulness and Following Emergence From Sleep in Healthy Peopl...

Conditions: Normal Physiology

National Institutes of Health Clinical Center Bethesda...

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Completed
Studies of the Natural History and Pathogenesis of Autoimmune/Connective Tissue Diseases

Conditions: Autoimmune/Connective Tissue Diseases, Idiopathic Inflammatory Myopathies, Polym...

National Institute of Environmental Health Sciences (NI...

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Completed
Cardiovascular Evaluation of Patients With High Cholesterol and Normal Volunteers

Conditions: Homozygous Familial Hypercholesterolemic

National Institutes of Health Clinical Center Bethesda...

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Completed
Longitudinal Changes in the Oral and Gut Microbiome of Individuals With Alcohol Dependence

Conditions: Alcoholic Intoxication, Alcohol-Related Disorders

National Institutes of Health Clinical Center Bethesda...

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Completed
Effects of Rapid-Resisted Exercise and Bright Light Therapy on Ambulatory Adults With Traumatic...

Conditions: Adult, Traumatic Brain Injury, fMRI

National Institutes of Health Clinical Center Bethesda...

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Completed
Hormonal Regulation of Puberty and Fertility

Conditions: Endocrine Disease, Infertility, Hypogonadism, Amenorrhea, Adolescents

National Institutes of Health Clinical Center Bethesda...

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Completed
Maternal Inborn Errors of Metabolism in Pregnancy: A Pregnancy Registry Protocol

Conditions: Inborn Errors of Metabolism, Pregnancy, Acidemias

National Human Genome Research Institute (NHGRI) Bethes...

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Completed
Adrenal Function in Critical Illness

Conditions: Adrenal Insufficiency

National Institutes of Health Clinical Center Bethesda...

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Completed
Genetic Study of Schizophrenia

Conditions: Schizoaffective Disorder, Schizophrenia

National Institutes of Health Clinical Center Bethesda...

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Completed
Physiological Investigations of Movement Disorders

Conditions: Parkinson's Disease, Tourette's Syndrome, Tic Disorders, Dystonia, Movement Diso...

National Institutes of Health Clinical Center Bethesda...

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Completed
Positron Emission Tomography (PET) Imaging in People With Gaucher Mutations

Conditions: Parkinson Disease, Gaucher Disease

National Institutes of Health Clinical Center Bethesda...

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Completed
Epidemiology, Infectivity and Natural History of Hepatitis C Virus Infection

Conditions: Hepatitis C, Hepatitis B

National Institutes of Health Clinical Center Bethesda...

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Completed
Withdrawal of Therapy After Long-Term Antiviral Treatment for Chronic Hepatitis B

Conditions: Chronic Hepatitis B e Antigen Positive, Chronic Hepatitis B e Antigen Negative

National Institutes of Health Clinical Center Bethesda...

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Completed
Study of REGN4461, a Leptin Receptor Agonist Antibody, in Patients With Generalized Lipodystrop...

Conditions: Generalized Lipodystrophy

Regeneron Research Site Bethesda Maryland

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Completed
Potential Environmental Causes of Uveal Coloboma

Conditions: Coloboma

National Eye Institute (NEI) Bethesda Maryland

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Completed
Best Noninvasive Predictor of Renal Function in Assessing Adult Sickle Nephropathy

Conditions: Sickle Cell Disease

National Institutes of Health Clinical Center Bethesda...

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Suspended
Heart Catheterization Using Magnetic Resonance Imaging (MRI) Fluoroscopy and Passive Guidewires

Conditions: Pulmonary Artery Hypertension, Congenital Heart Disease, Structural Heart Diseas...

National Institutes of Health Clinical Center Bethesda...

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Enrolling By Invitation
Genetic Studies of Lysosomal Storage Disorders

Conditions: Lysosomal Storage Disorders, Gaucher Disease, Parkinson Disease

National Institutes of Health Clinical Center Bethesda...

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Completed
Pelvic Pain in Women With Endometriosis

Conditions: Endometriosis, Chronic Pelvic Pain

National Institutes of Health Clinical Center Bethesda...

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Completed
Brain Inflammation and Function in Alcoholism

Conditions: Alcohol Use Disorder (AUD)

National Institutes of Health Clinical Center Bethesda...

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Enrolling By Invitation
Use of Tracking Devices to Locate Abnormalities During Invasive Procedures

Conditions: Adenocarcinoma, Prostate Neoplasms, Prostate Cancer, Renal Cell Carcinoma, Von H...

National Institutes of Health Clinical Center Bethesda...

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Completed
Trial Evaluating an Enhanced Physical Activity Intervention to Improve Cognitive Late Effects i...

Conditions: Brain Tumor

National Institutes of Health Clinical Center Bethesda...

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Completed
Transformation of Plexiform Neurofibromas to Malignant Peripheral Nerve Sheath Tumors in Neurof...

Conditions: Neurofibromatosis, MPNST

National Institutes of Health Clinical Center Bethesda...

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