Clinical Trials Updated in 2026

NCT00761124 | COMPLETED | NA

1006 participants

Informed Decision-Making Regarding Prostate Specific Antigen (PSA) Screening in 50-70 Year Old Latino Men

Study Type:: INTERVENTIONAL
Last Updated:: 2026-08-31
Start Date:: 2003-04-30
Completion:: 2022-04-30

Conditions

Prostate Cancer

Interventions

BEHAVIORAL

No Results Yet

NCT00713492 | COMPLETED | PHASE1

229 participants

Computer-Assisted Self-Administration of Ethanol

Study Type:: INTERVENTIONAL
Last Updated:: 2026-08-31
Start Date:: 2008-10-29
Completion:: 2023-12-11

Conditions

Alcoholic Intoxication

Interventions

DRUG

No Results Yet

NCT00702533 | COMPLETED

80 participants

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

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2008-06-18

Conditions

Gastric Acid Secretory Disorders

Interventions

DEVICE
DRUG

No Results Yet

NCT00687115 | COMPLETED | PHASE2

83 participants

Predicting Weight Gain and Weight Loss Associated With Overeating or Fasting

Study Type:: INTERVENTIONAL
Last Updated:: 2026-08-31
Start Date:: 2008-09-18
Completion:: 2018-12-31

Conditions

Obesity
Diet Therapy
Weight Loss
Weight Gain
Nutrition Therapy

Interventions

BEHAVIORAL

No Results Yet

NCT00663468 | TERMINATED

11 participants

Treatment of Sub-capital Fractures of Hip Joint by Using TriboFit™ Acetabular Buffer

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2008-04-30
Completion:: 2009-09-16

Conditions

Hip Fractures

No Results Yet

NCT00469339 | COMPLETED

498 participants

Risk Communication Within Mexican-American Families

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2007-04-27

Conditions

Breast Cancer
Diabetes
Colon Cancer
Cardiovascular Disease

Interventions

BEHAVIORAL

No Results Yet

NCT00368381 | WITHDRAWN | PHASE4

0 participants

Hydrocortisone Versus Hydrocortisone Plus Fludrocortisone for the Treatment of Adrenal Insufficiency in Severe Sepsis

Study Type:: INTERVENTIONAL
Last Updated:: 2026-08-31
Start Date:: 2006-09-30
Completion:: 2009-07-31

Conditions

Sepsis
Adrenal Insufficiency

Interventions

DRUG

No Results Yet

NCT00344331 | RECRUITING

900 participants

Evaluation of Biochemical Markers and Clinical Investigation of Niemann-Pick Disease, Type C

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2006-08-14

Conditions

Niemann-Pick Disease, Type C

No Results Yet

NCT00344188 | RECRUITING

289 participants

Diagnosis and Treatment of Leishmania Infections

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2001-11-30

Conditions

Kinetoplastid
Skin Diseases, Parasitic
Parasitic Diseases
Leishmaniasis
Protozoa

No Results Yet

NCT00342654 | COMPLETED

32902 participants

Nutrition Intervention Trials in Linxian Follow-up Study

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 1999-05-20
Completion:: 2025-12-02

Conditions

Esophageal Cancer
Gastric Cancer

No Results Yet

NCT00341237 | RECRUITING

25000 participants

Personalized Environment and Genes Study

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2010-05-26

Conditions

Diabetes
Heart Disease
Asthma

No Results Yet

NCT00326482 | COMPLETED

127 participants

Liver Fibrosis in HIV-Infected Patients With Elevated Liver Enzymes on Antiretroviral Therapy

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2006-07-31

Conditions

Liver Fibrosis
Steatohepatitis
Elevated Transaminases

No Results Yet

NCT00302146 | COMPLETED

64 participants

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

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2006-05-23

Conditions

Parkinson Disease
Gaucher Disease

Interventions

DRUG

No Results Yet

NCT00258570 | RECRUITING

2000 participants

Genetic Polymorphisms in Idiopathic Pulmonary Fibrosis (IPF)

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2003-01-31
Completion:: 2035-07-31

Conditions

Pulmonary Fibrosis

No Results Yet

NCT00258544 | ACTIVE_NOT_RECRUITING

80 participants

Microarray Analysis of Gene Expression in Idiopathic Pulmonary Fibrosis (IPF)

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2001-10-31
Completion:: 2030-07-31

Conditions

Pulmonary Fibrosis

No Results Yet

NCT00250159 | RECRUITING

3000 participants

Natural History Study of Patients With Excess Androgen

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2006-01-02

Conditions

Congenital Adrenal Hyperplasia (CAH)
Familial Male-Limited Precocious Puberty (FMPP)

No Results Yet

NCT00114647 | RECRUITING

3000 participants

Apheresis to Obtain Plasma or White Blood Cells for Laboratory Studies

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 1984-01-09

Conditions

Healthy Volunteers
HIV

No Results Yet

NCT00111384 | COMPLETED

313 participants

Study of Disease Severity in Adults With Neurofibromatosis Type 1 (NF1)

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2005-07-27

Conditions

Neurofibromatosis Type 1
Legius Syndrome

No Results Yet

NCT00071526 | RECRUITING

5000 participants

Urinary Vitamin C Loss in Diabetic Subjects

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2006-04-11

Conditions

Diabetes

No Results Yet

NCT00071045 | ENROLLING_BY_INVITATION

6000 participants

Collection of Tissue Specimens From Patients With Solid Tumors or Blood Disorders and Their HLA-Compatible Family Members

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2003-10-08

Conditions

Neoplasms
Hematologic Neoplasms
Healthy Volunteers

No Results Yet

NCT00065676 | COMPLETED | PHASE2

24 participants

Investigating the Use of Quercetin on Glucose Absorption in Obesity, and Obesity With Type 2 Diabetes

Study Type:: INTERVENTIONAL
Last Updated:: 2026-08-31
Start Date:: 2010-04-30
Completion:: 2015-12-21

Conditions

Obesity
Diabetes

Interventions

OTHER

No Results Yet

NCT00055055 | COMPLETED

1056 participants

Study of Families With Twins or Siblings Discordant for Rheumatic Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2003-04-21

Conditions

Rheumatoid Arthritis
Systemic Lupus Erythematosus
Idiopathic Inflammatory Myopathies

No Results Yet

NCT00051857 | RECRUITING

750 participants

MRI Study of Musculoskeletal Function

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2003-03-05

Conditions

Abnormalities
Imaging
Patellofemoral Pain Syndrome

No Results Yet

NCT00050752 | RECRUITING

1130 participants

Hereditary Leiomyomatosis Renal Cell Cancer - Study of the Genetic Cause and the Predisposition to Renal Cancer

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2003-02-24

Conditions

Renal Tumor Histology
Cutaneous Leiomyoma
Kidney Cancer

No Results Yet

NCT00040222 | COMPLETED

377 participants

Clinical, Genetic, Behavioral, Laboratory and Epidemiologic Characterization of Individuals and Families at High Risk of Breast/Ovarian Cancer

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2002-07-01

Conditions

Familial Ovarian Cancer
Familial Breast Cancer
BRCA1-associate Malignancies
BRCA2-associated Malignancies

No Results Yet

NCT00039689 | RECRUITING

750 participants

Leukapheresis Procedures to Obtain Plasma and Lymphocytes for Research Studies on Antiretroviral Naive HIV-1 Research Participants

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2002-07-12

Conditions

HIV

No Results Yet

NCT00029965 | RECRUITING

200 participants

Natural History of Glycosphingolipid Storage Disorders and Glycoprotein Disorders

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2002-02-06

Conditions

Neurological Regression
Myoclonus
Cherry Red Spot
Brain Atrophy

No Results Yet

NCT00027274 | RECRUITING

4000 participants

Cancer in Inherited Bone Marrow Failure Syndromes

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2001-11-28

Conditions

Diamond Blackfan Anemia
Dyskeratosis Congenita
Fanconi Anemia
Shwachman Diamond Syndrome
Inherited Bone Marrow Failure Syndrome, Aplastic Anemia

No Results Yet

NCT00026650 | RECRUITING

700 participants

Evaluation of Late Effects and Natural History of Disease in Patients Treated With Radiotherapy

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2000-02-14

Conditions

Cancer

No Results Yet

NCT00025935 | RECRUITING

2350 participants

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

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2002-01-01

Conditions

Mood Disorder

Interventions

DRUG

No Results Yet

NCT00023049 | COMPLETED

335 participants

Genetic Analysis of Hereditary Disorders of Hearing and Balance

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2002-12-23

Conditions

Sensorineural Hearing Loss
Hearing Disorder
Vestibular Disease

No Results Yet

NCT00013559 | COMPLETED

593 participants

Natural History Study of Smith-Magenis Syndrome

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2001-03-19

Conditions

Smith-Magenis Syndrome (SMS)

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:: 2026-08-31
Start Date:: 2000-12-06

Conditions

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

No Results Yet

NCT00006150 | RECRUITING

600 participants

Natural History, Management, and Genetics of the Hyperimmunoglobulin E Recurrent Infection Syndrome (HIES)

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2000-08-10

Conditions

Infections
Pneumonia
Immune System Diseases
STAT3 Transcription Factor
Job Syndrome

No Results Yet

NCT00005927 | COMPLETED

690 participants

Study of Adrenal Gland Tumors

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2002-07-01

Conditions

Adrenal Gland Neoplasm

No Results Yet

NCT00005902 | ACTIVE_NOT_RECRUITING

250 participants

Study of Brain and Spinal Cord Tumor Growth and Cyst Development in Patients With Von Hippel Lindau Disease

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2001-02-15

Conditions

Hemangioblastoma
Hippel Lindau Disease

No Results Yet

NCT00004577 | RECRUITING

1100 participants

Study of New Magnetic Resonance Imaging Methods of the Brain

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 2000-07-01

Conditions

Healthy Volunteer
Magnetic Resonance Imaging
Healthy
fMRI
Brain Mapping
Adult

No Results Yet

NCT00001979 | RECRUITING

2000 participants

Immune System Related Kidney Disease

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 1992-06-25

Conditions

Kidney Disease
Nephrotic Syndrome

No Results Yet

NCT00001539 | RECRUITING

700 participants

A Comprehensive Clinical, Microbiological and Immunological Assessment of Patients With Suspected Post Treatment Lyme Disease Syndrome and Selected Control Populations

Study Type:: OBSERVATIONAL
Last Updated:: 2026-08-31
Start Date:: 1996-06-13

Conditions

Lyme 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:: 2026-08-31
Start Date:: 1994-02-27

Conditions

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

No Results Yet