Clinical Trials Updated in 2026

NCT01132859 | RECRUITING

500 participants

VRC 900: Evaluation of Tissue-Specific Immune Responses in Adults 18 Years of Age and Older

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2010-05-18

Conditions

Immunity, Mucosal
Immune System Processes
Blood Specimen Collection

No Results Yet

NCT01125228 | COMPLETED

180 participants

Effectiveness of Zidovudine vs. Zidovudine Plus Alpha Interferon vs. Interferon for Treatment of HIV

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 1988-10-19

Conditions

HIV

Interventions

DRUG

No Results Yet

NCT01109420 | RECRUITING

500 participants

Clinical and Genetic Studies in Familial Non-medullary Thyroid Cancer

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2010-08-12

Conditions

Non-Medullary Thyroid Cancer

No Results Yet

NCT01087294 | COMPLETED | PHASE1

85 participants

Administration of Anti-CD19-chimeric-antigen-receptor-transduced T Cells From the Original Transplant Donor to Patients With Recurrent or Persistent B-cell Malignancies After Allogeneic Stem Cell Transplantation

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2010-08-04
Completion:: 2024-03-08

Conditions

Leukemia, B-cell
Lymphoma, Hodgkins
Lymphoma, Non-hodgkins
Lymphoma, B-Cell

Interventions

PROCEDURE
BIOLOGICAL

No Results Yet

NCT01036581 | RECRUITING | NA

1000 participants

Advanced Functional and Structural MRI Techniques for Neuropharmacological Imaging

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2003-10-24
Completion:: 2029-12-31

Conditions

Drug Abuse
Nicotine Dependence

Interventions

DEVICE

No Results Yet

NCT01005654 | RECRUITING

2415 participants

Prospective Comprehensive Molecular Analysis of Endocrine Neoplasms

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2009-10-07

Conditions

Endocrine Tumors
Thyroid Neoplasms
Parathyroid Neoplasms
Adrenal Neoplasm
Neuroblastoma

No Results Yet

NCT00943514 | RECRUITING

900 participants

Natural History of Bronchiectasis

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2009-08-01

Conditions

Bronchiectasis
Cystic Fibrosis
Autoimmune Disease
Common Variable Immunodeficiency

No Results Yet

NCT00924196 | ACTIVE_NOT_RECRUITING

259 participants

Natural History Study of Patients With Neurofibromatosis Type I

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2008-02-25

Conditions

Neurofibromatosis Type 1
Malignant Peripheral Nerve Sheath Tumor
Plexiform Neurofibroma
Optic Glioma
Neurofibroma

No Results Yet

NCT00923507 | RECRUITING

1000 participants

Natural History Study of Monoclonal B Cell Lymphocytosis (MBL), Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL), Lymphoplasmacytic Lymphoma (LPL)/Waldenstrom Macroglobulinemia (WM), and Splenic Marginal Zone Lymphoma (SMZL)

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2008-05-29

Conditions

Waldenstrom Macroglobulinemia
Lymphoplasmacytic Lymphoma
Monoclonal B-Cell Lymphocytosis
Small Lymphocytic Lymphoma
CLL (Chronic Lymphocytic Leukemia)

No Results Yet

NCT00923221 | RECRUITING

1000 participants

Collection of Blood From Patients With Prostate Cancer

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-02-28

Conditions

Cancer Of Prostate
Prostate Cancer
Prostatic Neoplasms
Metastatic Prostate Cancer
Prostate

No Results Yet

NCT00900198 | RECRUITING

5000 participants

Collection of Tissue Samples for Cancer Research

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2006-07-06

Conditions

Neoplasms
Lymphomas
Multiple Myeloma
Myelodysplastic Syndrome

Interventions

PROCEDURE

No Results Yet

NCT00862433 | COMPLETED | PHASE1

50 participants

Vitamin E Pharmacokinetics and Biomarkers in Normal and Obese Women

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2014-10-10
Completion:: 2016-10-21

Conditions

Diabetes
Fatty Liver
Obesity
Healthy Volunteers

Interventions

DRUG
OTHER

No Results Yet

NCT00837122 | COMPLETED

7418 participants

Genetics of Type 2 Diabetes in West Africans

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2009-02-03

Conditions

Hypertension
Diabetes

No Results Yet

NCT00787423 | COMPLETED

373 participants

Developing Field Tools for Real-Time Assessment of Exposure to Psychosocial Stress and Drug Use in an Outpatient Treatment Population

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2009-07-14

Conditions

Stress
Drug Abuse

No Results Yet

NCT00739362 | ACTIVE_NOT_RECRUITING | PHASE2

126 participants

Effects of Brain Stimulation on Food Intake and Behavioral Weight Loss Treatment

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2009-01-19
Completion:: 2027-01-31

Conditions

Electric Stimulation Therapy
Obesity
Weight Loss
Eating

Interventions

DEVICE
OTHER

No Results Yet

NCT00719719 | COMPLETED

115 participants

Cause of Unexplained Anaphylaxis

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2008-11-05

Conditions

Idiopathic Anaphylaxis
Drug Anaphylaxis
Venom Anaphylaxis
Food Anaphylaxis

No Results Yet

NCT00663611 | COMPLETED | PHASE1

66 participants

Growth Hormone Administration and the Human Immune System

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2006-10-19
Completion:: 2014-10-06

Conditions

Healthy Volunteers

Interventions

DRUG

No Results Yet

NCT00655096 | RECRUITING

10000 participants

Screening for Research Participants

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2008-08-20

Conditions

Eye Diseases

No Results Yet

NCT00646022 | RECRUITING

1600 participants

Natural History of Familial Carcinoid Tumor

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2008-08-25

Conditions

Carcinoid

Interventions

DRUG

No Results Yet

NCT00605878 | RECRUITING

530 participants

Studies of Skin Microbes in Healthy People and in People With Skin Conditions

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2008-01-22

Conditions

Eczema
Atopic Dermatitis

No Results Yet

NCT00598351 | RECRUITING

269 participants

Natural History Study of Patients With Neurofibromatosis Type 2

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2008-03-21

Conditions

Neurofibromatosis

No Results Yet

NCT00553410 | COMPLETED | PHASE3

4884 participants

Letrozole in Preventing Cancer in Postmenopausal Women Who Have Received 4-6 Years of Hormone Therapy for Hormone Receptor-Positive, Lymph Node-Positive, Early-Stage Breast Cancer

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-08-31
Completion:: 2018-04-30

Conditions

Breast Cancer

Interventions

DRUG

Results Available

NCT00471250 | RECRUITING

550 participants

Collection of Lung Fluid and Tissue Samples for Research

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-08-17

Conditions

Leukocyte Disorders
Respiratory Tract Diseases
Bronchoscopy

No Results Yet

NCT00453505 | COMPLETED | EARLY_PHASE1

976 participants

Modulation of Motor Function by Stimulation of the Central and Peripheral Nervous System

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-01-14
Completion:: 2019-11-08

Conditions

Motor Function of Healthy Physiology

Interventions

DEVICE

No Results Yet

NCT00450788 | COMPLETED

50045 participants

Esophageal Cancer in Northeastern Iran

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-03-15

Conditions

Esophageal Cancer
GI Disease

No Results Yet

NCT00442195 | RECRUITING

1000 participants

Collection and Analysis of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-03-03

Conditions

Healthy Volunteers

No Results Yet

NCT00428987 | RECRUITING

2000 participants

Physical and Behavioral Traits of Overweight and Obese Adults

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-03-08

Conditions

Obesity
Healthy Volunteers

No Results Yet

NCT00404560 | RECRUITING

2000 participants

Detection and Characterization of Infections and Infection Susceptibility

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-01-02

Conditions

Immune Deficiencies

No Results Yet

NCT00397280 | RECRUITING

750 participants

Immune Cell Response to Stimuli

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2009-07-13

Conditions

Inflammation

No Results Yet

NCT00361829 | COMPLETED

2355 participants

The Influence of Maternal Age, Employment Status, and Parenthood Status on Children's Cognitive Development

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 1988-02-17

Conditions

Child Development

No Results Yet

NCT00359684 | RECRUITING

330 participants

Use of Cysteamine in the Treatment of Cystinosis

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 1979-01-04

Conditions

Cystinosis

Interventions

DRUG

No Results Yet

NCT00353782 | RECRUITING

2000 participants

Causes and Natural History of Dyslipidemias

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2003-10-14

Conditions

Hypercholesterolemia
Atherosclerosis

No Results Yet

NCT00353158 | COMPLETED | PHASE1

62 participants

A Pilot of Pediatric/Adult Study of Gene Expression Profiling and Clinical Characterization of Phototoxicity

Study Type:: INTERVENTIONAL
Last Updated:: 2026-09-01
Start Date:: 2007-05-25
Completion:: 2011-09-20

Conditions

Healthy Volunteers
Fungal Infections
Bacterial Infections

Interventions

DRUG

No Results Yet

NCT00352924 | ACTIVE_NOT_RECRUITING

89655 participants

Agriculture Health Study

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 1993-04-30

Conditions

Prostate Cancer
Pesticide Exposures
Lymphoma
Multiple Myeloma

No Results Yet

NCT00342732 | COMPLETED

669 participants

The Food Intake Phenotype: Assessing Eating Behavior and Food Preferences as Risk Factors for Obesity

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 1999-11-24

Conditions

Obesity
Overweight
Overnutrition

No Results Yet

NCT00341679 | COMPLETED

719 participants

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

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2005-07-13

Conditions

Autoimmune/Connective Tissue Diseases
Idiopathic Inflammatory Myopathies
Polymyositis
Dermatomyositis

No Results Yet

NCT00339495 | ACTIVE_NOT_RECRUITING

154900 participants

Prostate Lung Colorectal and Ovarian (PLCO) Cancer Screening Trial

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 1998-05-01
Completion:: 2026-12-31

Conditions

Cancer
Death

No Results Yet

NCT00242723 | RECRUITING

1559 participants

Evaluation of Cell Changes in Blood and Tissue in Cancers of the Lung, Esophagus and Lung Lining

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2005-11-09

Conditions

Thoracic Cancers
Malignant Pleural Mesotheliomas NOS
Lung Cancer NOS
Esophageal Cancers NOS
Cancers of Non Thoracic Origin With Metastases to the Lungs or Pleura
Thoracic Malignancies

No Results Yet

NCT00233272 | RECRUITING

10000 participants

Baltimore Longitudinal Study of Aging

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2014-02-03

Conditions

Aging

No Results Yet

NCT00182858 | RECRUITING

5000 participants

Tissue Procurement for Biomedical Research

Study Type:: OBSERVATIONAL
Last Updated:: 2026-09-01
Start Date:: 2003-06-26
Completion:: 2028-12-31

Conditions

Normal Volunteers

No Results Yet