Clinical Trials

NCT00025935 | RECRUITING

2350 participants

Studies of Brain Function and Course of Illness in Pediatric Bipolar Disorder

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2002-01-01

Conditions

Mood Disorder

Interventions

DRUG

No Results Yet

NCT00024635 | RECRUITING

16000 participants

Evaluation of Patients With Mood and Anxiety Disorders and Healthy Volunteers

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2001-02-02

Conditions

Mood Disorders
Anxiety Disorders
Healthy Volunteers
Bipolar Disorder
Depression

No Results Yet

NCT00018889 | RECRUITING

2500 participants

Phenotype/Genotype Correlations in Movement Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2001-10-22

Conditions

Movement Disorder

No Results Yet

NCT00017914 | RECRUITING

1200 participants

Adult and Juvenile Myositis

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1995-06-07

Conditions

Dermatomyositis
Polymyositis
Inclusion Body Myositis

No Results Yet

NCT00009243 | RECRUITING

4000 participants

Natural History of Stroke: Cause and Development

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2001-01-26

Conditions

Brain Disease
Ischemic Attack, Transient
Cerebrovascular Accident
Cerebrovascular Disorder
Vascular Diseases

No Results Yet

NCT00007150 | ACTIVE_NOT_RECRUITING | PHASE2

622 participants

Treatment of Hemochromatosis

Study Type:: INTERVENTIONAL
Last Updated:: 2026-06-01
Start Date:: 2001-01-01
Completion:: 2026-12-31

Conditions

Hemochromatosis

Interventions

PROCEDURE

No Results Yet

NCT00006518 | RECRUITING

1029 participants

Specimen Collections From Participants With HIV Infection, KSHV Infection, Viral-Related Pre-malignant Lesions and Cancer

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2000-12-06

Conditions

HIV
Kaposi's Sarcoma
Lymphomas
Multicentric Castleman's Disease
Primary Effusion Lymphoma

No Results Yet

NCT00006421 | COMPLETED

200 participants

Breast Imaging Studies in Women at High Genetic Risk of Breast Cancer: Annual Follow-Up Study

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2000-10-25

Conditions

Breast Cancer

Interventions

DRUG

No Results Yet

NCT00005927 | COMPLETED

690 participants

Study of Adrenal Gland Tumors

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2002-07-01

Conditions

Adrenal Gland Neoplasm

No Results Yet

NCT00005917 | RECRUITING

60 participants

Study of Chediak-Higashi Syndrome

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2002-09-10

Conditions

Chediak-Higashi Syndrome

No Results Yet

NCT00004847 | RECRUITING | PHASE1

3000 participants

Diagnosis of Pheochromocytoma

Study Type:: INTERVENTIONAL
Last Updated:: 2026-06-01
Start Date:: 2000-03-22
Completion:: 2048-11-30

Conditions

Pheochromocytoma
Endocrine Disease
Endocrine Diseases

Interventions

DRUG

No Results Yet

NCT00004571 | COMPLETED

3273 participants

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

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2000-02-17

Conditions

Schizophrenia
Normal Physiology

No Results Yet

NCT00002968 | COMPLETED | PHASE3

2100 participants

Edrecolomab in Treating Patients With Stage II Colon Cancer

Study Type:: INTERVENTIONAL
Last Updated:: 2026-06-01
Start Date:: 1997-05-31
Completion:: 2003-07-31

Conditions

Mucinous Adenocarcinoma of the Colon
Signet Ring Adenocarcinoma of the Colon
Stage IIA Colon Cancer
Stage IIB Colon Cancer
Stage IIC Colon Cancer

Interventions

BIOLOGICAL
OTHER

No Results Yet

NCT00001987 | RECRUITING

1200 participants

Genetic Studies of Insulin and Diabetes

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1976-02-01

Conditions

Diabetes Mellitus
Severe Insulin Resistance

Interventions

DEVICE

No Results Yet

NCT00001979 | RECRUITING

2000 participants

Immune System Related Kidney Disease

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1992-06-25

Conditions

Kidney Disease
Nephrotic Syndrome

No Results Yet

NCT00001975 | RECRUITING

400 participants

Study of Skin Tumors in Tuberous Sclerosis

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2000-01-26

Conditions

Tuberous Sclerosis

No Results Yet

NCT00001846 | RECRUITING

5000 participants

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

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 2001-01-11

Conditions

Blood Donors
Research Subjects
Apheresis

No Results Yet

NCT00001823 | RECRUITING

7000 participants

Evaluation for NCI Surgery Branch Clinical Research Protocols

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1999-07-11

Conditions

Synovial Cell Cancer
Melanoma
Colorectal Cancer
Lung Cancer
Bladder Cancer

No Results Yet

NCT00001721 | COMPLETED

130 participants

Study of Smith-Lemli-Opitz Syndrome

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1998-09-13

Conditions

Smith-Lemli-Opitz Syndrome

Interventions

DRUG

No Results Yet

NCT00001595 | RECRUITING

2000 participants

An Investigation of Pituitary Tumors and Related Hypothalmic Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1997-04-21

Conditions

Panhypopituitarism
Gigantism/Acromegaly
Prolactinoma
Cushing Disease

Interventions

PROCEDURE

No Results Yet

NCT00001486 | COMPLETED

4914 participants

Genetic Study of Schizophrenia

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1995-07-15

Conditions

Schizoaffective Disorder
Schizophrenia

No Results Yet

NCT00001467 | RECRUITING

5000 participants

Genetic Analysis of Immune Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1995-06-06

Conditions

DOK 8
STAT1
GATA2
Immunodeficiency
STAT3

No Results Yet

NCT00001452 | COMPLETED

1387 participants

Defining the Genetic Basis for the Development of Primary Pigmented Nodular Adrenocortical Disease (PPNAD) and the Carney Complex

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1995-12-14

Conditions

Cushing's Syndrome
Pituitary Adenoma
Carney Complex
Primary Pigmented Nodular Adrenocortical Disease
Peutz-Jeghers Syndrome

Interventions

DRUG

No Results Yet

NCT00001406 | RECRUITING

800 participants

Activation and Function of Eosinophils in Conditions With Blood or Tissue Eosinophilia

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1997-04-21

Conditions

Immune System Diseases
Eosinophilia
Helminthiasis
Hypersensitivity
Parasitic Disease

No Results Yet

NCT00001405 | RECRUITING

850 participants

Recruitment and Apheresis Collection of Peripheral Blood Hematopoietic Stem Cells, Mononuclear Cells and Granulocytes

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1994-02-27

Conditions

Granuloma
Granulomatous Disease, Chronic
Leukocyte Disease
Genetic Disease, X-Linked
Genetic Disease, Inborn

No Results Yet

NCT00001392 | COMPLETED

537 participants

Pathogenesis of Glomerulosclerosis

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1996-04-16

Conditions

Glomerular Disease

No Results Yet

NCT00001373 | RECRUITING

5000 participants

Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1994-03-10

Conditions

Familial Mediterranean Fever (FMF)
Autoinflammation
Periodic Fever
Fever
Genetic Diseases
ROSAH
ALPK1

No Results Yet

NCT00001360 | RECRUITING

4100 participants

Studies of Blood Flow to the Brain During Thought

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1993-09-17

Conditions

Healthy Volunteer

No Results Yet

NCT00001355 | RECRUITING

3600 participants

Detection and Characterization of Host Defense Defects

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1993-09-01

Conditions

Immune Defects

No Results Yet

NCT00001350 | RECRUITING

1200 participants

Study of Autoimmune Lymphoproliferative Syndrome (ALPS)

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1993-05-13

Conditions

Benign Lymphoproliferative Disorder

No Results Yet

NCT00001309 | COMPLETED | PHASE1

23 participants

The Body's Affect on Vitamin C

Study Type:: INTERVENTIONAL
Last Updated:: 2026-06-01
Start Date:: 1997-01-23
Completion:: 1999-08-25

Conditions

Healthy Volunteers

Interventions

OTHER

No Results Yet

NCT00001281 | RECRUITING

2419 participants

Studies of the Pathogenesis of HIV Infection in Human Peripheral Blood Cells and/or Body Fluids in People Living With and Without HIV

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1993-03-09

Conditions

HIV
Immunodeficiencies
Infectious Diseases

No Results Yet

NCT00001252 | RECRUITING

7500 participants

Human Movement Database

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1995-03-13

Conditions

Movement Disorder

No Results Yet

NCT00001248 | RECRUITING

3750 participants

Magnetic Resonance Imaging (MRI) to Evaluate Activity of Multiple Sclerosis (MS)

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1992-07-23

Conditions

Multiple Sclerosis

No Results Yet

NCT00001247 | COMPLETED

648 participants

Inpatient Evaluation of Adults With Schizophrenia

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1989-09-15

Conditions

Schizophrenia

Interventions

DRUG

No Results Yet

NCT00001231 | COMPLETED

1158 participants

Perimenopause-Related Mood and Behavioral Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1989-03-06

Conditions

Mood Disorder

No Results Yet

NCT00001230 | RECRUITING

500 participants

Host Response to Infection and Treatment in Filarial Diseases

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1991-03-15

Conditions

Filariasis
Helminthiasis
Parasitic Infection
Mansonelliasis
Onchocerciasis

Interventions

DRUG

No Results Yet

NCT00001208 | RECRUITING

2000 participants

Botulinum Toxin for the Treatment of Involuntary Movement Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1989-10-26

Conditions

Movement Disorders

No Results Yet

NCT00001159 | RECRUITING

2500 participants

Natural History of Thyroid Function Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1977-02-01

Conditions

Hyperthyroidism
Hypothyroidism
Grave's Disease

No Results Yet

NCT00001154 | COMPLETED

759 participants

Lipoprotein Metabolism in Normal Volunteers and Patients With High Levels of Lipoproteins

Study Type:: OBSERVATIONAL
Last Updated:: 2026-06-01
Start Date:: 1976-09-03

Conditions

Hypolipoproteinemia
Hypercholesterolemia
Dyslipidemia
Hyperlipidemia

No Results Yet