Clinical Trials

NCT00128973 | RECRUITING

3500 participants

Evaluation of Patients With Immune Function Abnormalities

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2005-09-19

Conditions

• Chronic Granulomatous Disease (CGD)
• X-Linked Severe Combined Immune Deficiency (XSCID)
• Leukocyte Adhesion Deficiency 1 (LAD)
• Graft Versus Host Disease (cGvHD)

No Results Yet

NCT00106925 | RECRUITING

1000 participants

Long-term Evaluation and Follow-up Care of Patients Treated With Stem Cell Transplants

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2005-04-22

Conditions

• Graft-versus-leukemia
• Graft vs Host Disease
• Graft Rejection

No Results Yet

NCT00104325 | RECRUITING

10000 participants

Cytapheresis of Volunteer Donors

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2003-01-30

Conditions

• Healthy Volunteers

No Results Yet

NCT00092235 | RECRUITING

650 participants

Natural History Study of Clinical and Biological Factors Determining Outcomes in Chronic Graft-Versus-Host Disease

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2004-10-26

Conditions

• Chronic Graft vs. Host Disease

No Results Yet

NCT00091871 | RECRUITING

50 participants

A Longitudinal Study of Familial Hypereosinophilia (FE): Natural History and Markers of Disease Progression

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2005-06-08

Conditions

• Eosinophilia
• Hypereosinophilic Syndrome

No Results Yet

NCT00090662 | RECRUITING

150 participants

Collection of Data and Samples From Healthy Donors for Use in Translational Research

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2004-12-09

Conditions

• Healthy Volunteer

No Results Yet

NCT00086567 | COMPLETED

119 participants

Predictors of Relapse of Ovarian, Peritoneal, and Fallopian Tube Cancers

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2005-12-12

Conditions

• Fallopian Tube Cancer
• Peritoneal Neoplasms
• Epithelial Ovarian Cancer

No Results Yet

NCT00084305 | ACTIVE_NOT_RECRUITING

315 participants

Analysis of Specimens From Individuals With Pulmonary Fibrosis

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2004-06-09

Conditions

• Pulmonary Fibrosis
• Healthy Volunteers
• Hermansky-Pudlak Syndrome (HPS)

No Results Yet

NCT00081523 | RECRUITING

3500 participants

Natural History of Sickle Cell Disease

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2004-04-29

Conditions

• Pain Crisis

No Results Yet

NCT00067054 | RECRUITING

3000 participants

Apheresis and Specimen Collection Procedures to Obtain Plasma, Peripheral Blood Mononuclear Cells (PBMCs) and Other Specimens for Research Studies

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2003-09-10

Conditions

• Sample Collection

No Results Yet

NCT00060775 | COMPLETED

550 participants

The Psychobiology of Childhood Temperament

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2003-11-10

Conditions

• Developmental Psychology

No Results Yet

NCT00055172 | RECRUITING

100 participants

Genetic Basis of Immunodeficiency

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2004-04-05

Conditions

• Severe Combined Immunodeficiency

No Results Yet

NCT00055029 | COMPLETED

351 participants

Clinical and Genetic Studies of X-Linked Juvenile Retinoschisis

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2003-05-19

Conditions

• Retinoschisis

No Results Yet

NCT00047996 | ENROLLING_BY_INVITATION

2000 participants

Blood Collection for Research Related to Certain Diseases Involving Blood Vessels

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2002-11-04

Conditions

• Sickle Cell Disease

No Results Yet

NCT00039676 | ACTIVE_NOT_RECRUITING

1836 participants

Clinical, Laboratory and Epidemiologic Characterization of Individuals and Families at High Risk of Hematologic Cancer

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2002-07-08

Conditions

• Waldenstrom Macroglobulinemia
• Chronic Lymphocytic Leukemia
• Hodgkin Disease
• NonHodgkin Lymphoma
• Mixed Lymphoproliferative Disease

No Results Yet

NCT00034424 | COMPLETED

749 participants

Cause of Familial Testicular Cancer

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2003-01-13

Conditions

• Testicular Cancer

No Results Yet

NCT00034216 | RECRUITING

1750 participants

Collection of Blood From Patients With Cancer

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2002-07-16

Conditions

• Prostate Cancer
• Breast Cancer
• Colon Cancer
• Lung Cancer
• Liver Cancer

No Results Yet

NCT00029445 | RECRUITING

500 participants

Leukapheresis to Obtain Plasma or Lymphocytes for Studies of HIV-infected Patients, Including Long-term Non-progressors

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2001-08-09

Conditions

• HIV

No Results Yet

NCT00027326 | ENROLLING_BY_INVITATION

1000 participants

Collection of Blood and Urine From Patients Undergoing Radiation Therapy

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2001-12-02

Conditions

• Carcinoma
• Cancer
• Tumor

No Results Yet

NCT00024804 | RECRUITING

1000 participants

A Natural History Study of Bone and Mineral Disorders

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2001-11-19

Conditions

• Tumor Induced Osteomalcia
• Osteomalacia
• Familial Tumoral Calcinosis

No Results Yet

NCT00024479 | RECRUITING

7500 participants

Studies of the Natural History of Rheumatic Diseases

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2001-10-03

Conditions

• Rheumatic Diseases
• Arthritis

No Results Yet

NCT00018889 | RECRUITING

2500 participants

Phenotype/Genotype Correlations in Movement Disorders

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2001-10-22

Conditions

• Movement Disorder

No Results Yet

NCT00007150 | ACTIVE_NOT_RECRUITING | PHASE2

622 participants

Treatment of Hemochromatosis

Study Type:

INTERVENTIONAL

Last Updated:

2026-09-01

Start Date:

2001-01-01

Completion:

2026-12-31

Conditions

• Hemochromatosis

Interventions

• PROCEDURE

No Results Yet

NCT00005909 | RECRUITING

300 participants

Study of Alkaptonuria

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2000-06-21

Conditions

• Alkaptonuria

No Results Yet

NCT00004738 | COMPLETED

152 participants

Genetic Analysis of the Chiari I Malformation

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2001-06-04

Conditions

• Syringomyelia
• Type I Arnold Chiari Malformation

No Results Yet

NCT00001975 | RECRUITING

400 participants

Study of Skin Tumors in Tuberous Sclerosis

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

2000-01-26

Conditions

• Tuberous Sclerosis

No Results Yet

NCT00001888 | COMPLETED

574 participants

Sample Collections From the Airways of Asthmatic Patients

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1999-06-02

Conditions

• Asthma

No Results Yet

NCT00001823 | RECRUITING

7000 participants

Evaluation for NCI Surgery Branch Clinical Research Protocols

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1999-07-11

Conditions

• Synovial Cell Cancer
• Melanoma
• Colorectal Cancer
• Lung Cancer
• Bladder Cancer

No Results Yet

NCT00001813 | COMPLETED

709 participants

Examination of Clinical and Laboratory Abnormalities in Patients With Defective DNA Repair: Xeroderma Pigmentosum, Cockayne Syndrome, or Trichothiodystrophy

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1999-05-10

Conditions

• Cockayne Syndrome
• Skin Neoplasms
• Xeroderma Pigmentosum
• Trichothiodystrophy Syndromes
• Genodermatosis

No Results Yet

NCT00001721 | COMPLETED

130 participants

Study of Smith-Lemli-Opitz Syndrome

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1998-09-13

Conditions

• Smith-Lemli-Opitz Syndrome

Interventions

• DRUG

No Results Yet

NCT00001645 | RECRUITING

800 participants

Evaluation, Treatment and Monitoring of Patients With a Known or Suspected Parasitic Infection

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1998-10-10

Conditions

• Malaria
• Intestinal Worms
• GI Protozoa
• Echiniococcus
• Strongyloides

No Results Yet

NCT00001620 | ENROLLING_BY_INVITATION

10000 participants

Screening for Hematology Branch Protocols

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1996-12-31

Conditions

• Hematologic Disease and Disorders
• Donors
• Healthy Volunteer

No Results Yet

NCT00001471 | COMPLETED

386 participants

Tissue Biopsy and Imaging Studies in HIV-Infected Patients

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1994-11-30

Conditions

• HIV
• ICL
• Healthy Volunteers

No Results Yet

NCT00001465 | RECRUITING

2000 participants

Study of the Disease Process of Lymphangioleiomyomatosis

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1995-12-18

Conditions

• Lung Disease
• Pneumothorax
• Tuberous Sclerosis
• Lymphangioleiomyomatosis

Interventions

• DEVICE

No Results Yet

NCT00001406 | RECRUITING

800 participants

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

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1997-04-21

Conditions

• Immune System Diseases
• Eosinophilia
• Helminthiasis
• Hypersensitivity
• Parasitic Disease

No Results Yet

NCT00001403 | RECRUITING

1500 participants

Study of Proteus Syndrome and Related Congenital Disorders

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1994-04-27

Conditions

• Proteus Syndrome
• PIK3CA Related Overgrowth Spectrum

No Results Yet

NCT00001393 | COMPLETED

616 participants

Genetic Markers for Focal Segmental Glomerulosclerosis

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1996-04-15

Conditions

• Focal Segmental Glomerulosclerosis
• HIV-Associated Focal Segmental Glomerulosclerosis

No Results Yet

NCT00001392 | COMPLETED

537 participants

Pathogenesis of Glomerulosclerosis

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1996-04-16

Conditions

• Glomerular Disease

No Results Yet

NCT00001367 | COMPLETED

3813 participants

Diagnosis and History Study of Patients With Different Neurological Conditions

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1993-09-30

Conditions

• Nervous System Disease
• Healthy Volunteer

No Results Yet

NCT00001360 | RECRUITING

4100 participants

Studies of Blood Flow to the Brain During Thought

Study Type:

OBSERVATIONAL

Last Updated:

2026-09-01

Start Date:

1993-09-17

Conditions

• Healthy Volunteer

No Results Yet