Clinical Trials Directory

Explore 66,650 clinical trials worldwide

Showing 66501-66550 of 66,650 trials

Active filters:Status: Recruiting

Clinical Trials (66,650)

NCT00004577
Study of New Magnetic Resonance Imaging Methods of the Brain
N/ARecruiting
1,100 participants
Started: Jul 1, 2000
6 conditions1 sponsor1 location
NCT00005909
Study of Alkaptonuria
N/ARecruiting
300 participants
Started: Jun 21, 2000
1 condition1 sponsor1 location
NCT00684580
Protocol For Collecting Data On Patients With Childhood Cancer
N/ARecruiting
30,000 participants
Started: Jun 8, 2000 · Completed: May 31, 2045
1 condition1 sponsor1 location
NCT00026702
Search for New Methods to Detect Acute Renal Failure
N/ARecruiting
640 participants
Started: Jun 7, 2000
5 conditions1 sponsor1 location
NCT00301119
Lung Cancer Biomarkers and Screening
N/ARecruiting
10,850 participants
Started: May 31, 2000 · Completed: May 31, 2030
1 condition1 sponsor1 location
NCT00187512
SCOPE: Observational Study of the Consequences of the Protease Inhibitor Era
N/ARecruiting
2,500 participants
Started: Mar 31, 2000 · Completed: Dec 31, 2033
1 condition2 sponsors1 location
NCT00005095
Specimen and Data Study for Ovarian Cancer Early Detection and Prevention
N/ARecruiting
6,000 participants
Started: Mar 31, 2000 · Completed: Dec 31, 2040
9 conditions2 sponsors1 location
NCT00004847
Diagnosis of Pheochromocytoma
PHASE1Recruiting
3,000 participants
Started: Mar 22, 2000 · Completed: Nov 30, 2048
3 conditions1 sponsor1 location
NCT00004568
Study of Inherited Neurological Disorders
N/ARecruiting
3,500 participants
Started: Feb 18, 2000
4 conditions1 sponsor2 locations
NCT00026650
Evaluation of Late Effects and Natural History of Disease in Patients Treated With Radiotherapy
N/ARecruiting
700 participants
Started: Feb 14, 2000
1 condition1 sponsor1 location
NCT02869542
Institut Paoli Calmettes Lymphoma Database
N/ARecruiting
16,000 participants
Started: Jan 31, 2000 · Completed: Dec 31, 2030
1 condition1 sponsor1 location
NCT02869581
Institut Paoli-Calmettes Pancreatic Neoplasms Database
N/ARecruiting
8,500 participants
Started: Jan 31, 2000 · Completed: Dec 31, 2030
1 condition1 sponsor1 location
NCT00898235
Collection of Samples and Clinical Data From Patients With Amyloid Diseases
N/ARecruiting
10,000 participants
Started: Jan 31, 2000 · Completed: Dec 31, 2040
1 condition1 sponsor1 location
NCT02869568
Institut Paoli Calmettes Ovarian Cancer Database
N/ARecruiting
6,000 participants
Started: Jan 31, 2000 · Completed: Dec 31, 2030
1 condition1 sponsor1 location
NCT00230685
Case Notes Review on Patients With Hereditary Haemorrhagic Telangiectasia
N/ARecruiting
2,000 participants
Started: Jan 31, 2000 · Completed: Jan 31, 2028
1 condition2 sponsors1 location
NCT00001975
Study of Skin Tumors in Tuberous Sclerosis
N/ARecruiting
400 participants
Started: Jan 26, 2000
1 condition2 sponsors1 location
NCT06246760
Differences in Ventilatory Function, Body Composition, and Cardiorrespiratory Fitness According to Training Status
NARecruiting
1,272 participants
Started: Jan 1, 2000 · Completed: Jan 1, 2030
3 conditions1 sponsor1 location
NCT05192876
Analysis of Outcomes and Adverse Events of Patients Undergoing Radiation Therapy
N/ARecruiting
25,000 participants
Started: Jan 1, 2000 · Completed: Dec 31, 2025
3 conditions1 sponsor1 location
NCT04732546
Diagnostic, Therapeutic and Reproductive Aspects of Patients With Mullerian Anomalies (MULAN)
N/ARecruiting
1,000 participants
Started: Jan 1, 2000 · Completed: Dec 31, 2050
3 conditions1 sponsor1 location
NCT04226612
Association of Inpatient Blood Pressure Levels With In-hospital Adverse Events(APPLE Study)
N/ARecruiting
100,000 participants
Started: Jan 1, 2000 · Completed: Dec 31, 2030
1 condition1 sponsor1 location
NCT03653156
China Cognition and Aging Study
N/ARecruiting
100,000 participants
Started: Jan 1, 2000 · Completed: Jan 1, 2038
6 conditions68 sponsors65 locations
NCT04239508
Swiss Neonatal Network & Follow-up Group
N/ARecruiting
1,000 participants
Started: Jan 1, 2000 · Completed: Dec 31, 2050
3 conditions26 sponsors1 location
NCT03398850
Spontaneous Coronary Artery Dissection anaLysIs of the Brazilian Updated Registry
N/ARecruiting
250 participants
Started: Jan 1, 2000 · Completed: Dec 31, 2027
1 condition1 sponsor1 location
NCT07019766
National Longitudinal Cohort of Hematological Diseases-Large Granular Lymphocytic Leukemia
N/ARecruiting
9,999 participants
Started: Jan 1, 2000 · Completed: Dec 31, 2070
2 conditions1 sponsor1 location
NCT04475289
Registry for Invasive and Non-invasive Anatomical Assessment and Outcome of Coronary Artery Anomalies
N/ARecruiting
1,000 participants
Started: Jan 1, 2000 · Completed: Jun 30, 2030
3 conditions2 sponsors2 locations
NCT06481449
Definitive Radiotherapy for Cervical and Upper Thoracic Esophageal Cancer (ChC&UES): A Multi-center Real World Study
N/ARecruiting
2,600 participants
Started: Jan 1, 2000 · Completed: Dec 1, 2024
1 condition6 sponsors1 location
NCT02892877
The French National Reference Centre of GTD
N/ARecruiting
25,500 participants
Started: Nov 30, 1999 · Completed: Nov 30, 2029
4 conditions1 sponsor1 location
NCT03667417
Genetic Predisposition to Breast and Ovarian Cancer: Prospective Study of BRCAx Gene Mutation
N/ARecruiting
5,000 participants
Started: Oct 15, 1999 · Completed: Oct 15, 2028
2 conditions2 sponsors1 location
NCT04028531
Understanding Chronic Lymphocytic Leukemia
N/ARecruiting
2,750 participants
Started: Sep 29, 1999 · Completed: Sep 29, 2032
1 condition2 sponsors1 location
NCT00342589
New Techniques for Using a Saline Wash as a Diagnostic Tool for Pneumocystis Pneumonia
N/ARecruiting
1,500 participants
Started: Sep 28, 1999
5 conditions2 sponsors1 location
NCT00001823
Evaluation for NCI Surgery Branch Clinical Research Protocols
N/ARecruiting
7,000 participants
Started: Jul 11, 1999
5 conditions1 sponsor1 location
NCT00260585
Esophageal Cancer Risk Registry
N/ARecruiting
7,000 participants
Started: Jun 30, 1999 · Completed: Dec 31, 2050
5 conditions3 sponsors1 location
NCT00260559
Outcomes After Esophagectomy With a Focus on Minimally Invasive Esophagectomy and Quality of Life
N/ARecruiting
3,500 participants
Started: May 31, 1999 · Completed: Dec 31, 2050
2 conditions1 sponsor2 locations
NCT03034187
Radiation-induced Toxicity in Prostate Cancer/ Standard-Follow-Up Program Prostate
N/ARecruiting
10,000 participants
Started: Apr 30, 1999 · Completed: Jan 31, 2028
1 condition1 sponsor1 location
NCT00505245
New Assessment System in Measuring Symptom Distress in Cancer Patients
N/ARecruiting
6,500 participants
Started: Apr 13, 1999 · Completed: Apr 30, 2031
4 conditions8 sponsors1 location
NCT03217656
The Jiaxing Birth Cohort in China
N/ARecruiting
500,000 participants
Started: Jan 31, 1999 · Completed: Jan 31, 2029
5 conditions4 sponsors1 location
NCT06554119
Surgical Treatments of Tricuspid Valve Regurgitation After Cardiac Surgery
N/ARecruiting
375 participants
Started: Jan 31, 1999 · Completed: Jan 31, 2025
1 condition1 sponsor1 location
NCT00398177
Clinical and Pathologic Studies in Non-Hodgkin's Lymphoma and Hodgkin's Disease
N/ARecruiting
9,999 participants
Started: Jan 31, 1999 · Completed: Jan 31, 2099
2 conditions3 sponsors1 location
NCT01719211
Genetic Basis of Mitral Valve Prolapse
N/ARecruiting
1,500 participants
Started: Jan 31, 1999 · Completed: Dec 31, 2025
1 condition2 sponsors1 location
NCT04350697
Mini-invasive Approaches to Aortic Surgery
N/ARecruiting
2,425 participants
Started: Jan 1, 1999 · Completed: Dec 31, 2025
5 conditions5 sponsors1 location
NCT03199066
Non-Hodgkin Lymphoma - Observational Epidemiological and Clinical Study (NiHiL)
N/ARecruiting
20,000 participants
Started: Jan 1, 1999 · Completed: Dec 31, 2027
1 condition1 sponsor1 location
NCT00230620
Molecular Studies on Hereditary Haemorrhagic Telangiectasia Families
N/ARecruiting
1,000 participants
Started: Dec 31, 1998 · Completed: Apr 30, 2030
1 condition2 sponsors1 location
NCT00001727
Screening and Natural History of Patients With Polyostotic Fibrous Dysplasia and the McCune-Albright Syndrome
N/ARecruiting
500 participants
Started: Dec 13, 1998
1 condition1 sponsor1 location
NCT01000883
Correlation of Molecular Markers With Response to Therapy and Breast Cancer Behavior
N/ARecruiting
10,000 participants
Started: Dec 1, 1998 · Completed: Nov 30, 2032
1 condition2 sponsors1 location
NCT03228875
Boston Birth Cohort Study
N/ARecruiting
24,000 participants
Started: Oct 31, 1998 · Completed: Dec 31, 2028
4 conditions3 sponsors1 location
NCT00001853
Diabetes and Heart Disease Risk in Blacks
N/ARecruiting
2,000 participants
Started: Oct 21, 1998
4 conditions1 sponsor1 location
NCT00001645
Evaluation, Treatment and Monitoring of Patients With a Known or Suspected Parasitic Infection
N/ARecruiting
500 participants
Started: Oct 10, 1998
5 conditions1 sponsor1 location
NCT05539677
Biobank and Register of Patients With Agresive Tumors for Translational and Analytical Research
N/ARecruiting
1,000 participants
Started: Sep 30, 1998 · Completed: Dec 31, 2030
7 conditions1 sponsor1 location
NCT00568490
Identification of Secreted Markers for Tumor Hypoxia in Patients With Head and Neck or Lung Cancers
N/ARecruiting
200 participants
Started: Sep 1, 1998 · Completed: Apr 30, 2026
5 conditions3 sponsors1 location
NCT00730678
Pharmacogenetic Determinants Of Treatment Response In Children
N/ARecruiting
8,800 participants
Started: Aug 17, 1998 · Completed: Mar 31, 2034
2 conditions3 sponsors1 location