Clinical Trials Directory

Explore 118,444 clinical trials worldwide

Showing 118251-118300 of 118,444 trials

Active filters:Status: Recruiting, Active, not recruiting, Enrolling by invitation, Not yet recruiting

Clinical Trials (118,444)

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
NCT00005487
Multi-Ethnic Study of Atherosclerosis (MESA)
N/AActive, not recruiting
6,418 participants
Started: Jan 31, 1999 · Completed: Dec 31, 2030
11 conditions1 sponsor0 locations
NCT00119912
NORCCAP: Norwegian Colorectal Cancer Prevention Trial
NAActive, not recruiting
100,000 participants
Started: Jan 31, 1999 · Completed: Dec 31, 2036
2 conditions2 sponsors1 location
NCT02820402
Project Viva: a Longitudinal Study of Health for the Next Generation
N/AActive, not recruiting
2,128 participants
Started: Jan 31, 1999 · Completed: Aug 31, 2027
1 condition3 sponsors0 locations
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
NCT06494670
Trends in Prevalence of 11 Site-specific Musculoskeletal Pain Among U.S. Adults, 1999-2018
N/AEnrolling by invitation
565,219 participants
Started: Jan 1, 1999 · Completed: Dec 31, 2024
5 conditions1 sponsor0 locations
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
NCT00169806
Randall's Plaque Study: Pathogenesis and Relationship to Nephrolithiasis
NAActive, not recruiting
600 participants
Started: Nov 30, 1998 · Completed: Dec 31, 2025
5 conditions3 sponsors1 location
NCT03228875
Boston Birth Cohort Study
N/ARecruiting
24,000 participants
Started: Oct 31, 1998 · Completed: Dec 31, 2028
4 conditions3 sponsors1 location
NCT00005584
Combination Chemotherapy With or Without Radiation Therapy in Treating Patients With Hodgkin's Lymphoma
PHASE3Active, not recruiting
1,649 participants
Started: Oct 31, 1998
1 condition3 sponsors121 locations
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
NCT00001184
Immune Regulation in Ulcerative Colitis or Crohn s Disease
N/ARecruiting
1,000 participants
Started: Aug 7, 1998
3 conditions1 sponsor1 location
NCT02776969
A Gene Hunting Study for Familial Papillary Thyroid Cancer
N/AActive, not recruiting
1,200 participants
Started: Aug 5, 1998 · Completed: Dec 31, 2026
1 condition1 sponsor1 location
NCT00512239
Prognostic Evaluation of Inflammatory Polyarthritis of Recent Onset
N/ARecruiting
1,000 participants
Started: Jul 31, 1998 · Completed: Dec 31, 2035
2 conditions3 sponsors1 location
NCT00707694
The Longevity Genes in Founder Populations Project
N/ARecruiting
2,000 participants
Started: Jul 31, 1998 · Completed: Dec 31, 2032
1 condition3 sponsors2 locations
NCT00339495
Prostate Lung Colorectal and Ovarian (PLCO) Cancer Screening Trial
N/AActive, not recruiting
154,900 participants
Started: May 1, 1998 · Completed: Dec 31, 2025
2 conditions1 sponsor1 location
NCT04715945
Southampton Women's Survey
N/AActive, not recruiting
12,583 participants
Started: Apr 6, 1998 · Completed: Dec 31, 2028
7 conditions1 sponsor0 locations
NCT00001778
Evaluation of Patients With HAM/TSP
N/ARecruiting
750 participants
Started: Apr 6, 1998
2 conditions1 sponsor1 location
NCT00026884
Collection of Serum and Tissue Samples From Patients With Biopsy-Proved or Suspected Malignant Disease
N/ARecruiting
5,950 participants
Started: Mar 12, 1998
5 conditions1 sponsor1 location
NCT00005504
Epidemiology of Venous Thrombosis and Pulmonary Embolism
N/AActive, not recruiting
21,680 participants
Started: Feb 28, 1998 · Completed: Apr 30, 2030
3 conditions2 sponsors0 locations
NCT00848289
Genetic Susceptibility to Bladder Cancer
N/AActive, not recruiting
6,086 participants
Started: Feb 10, 1998 · Completed: Aug 1, 2026
1 condition2 sponsors2 locations
NCT01779115
Registry of Diabetes Patients in a Large Health Maintenance Organization in Israel
N/AEnrolling by invitation
126,000 participants
Started: Jan 31, 1998
2 conditions1 sponsor1 location
NCT03968705
Longstanding Eating Disorders and Personality Disorders
N/AActive, not recruiting
86 participants
Started: Jan 31, 1998 · Completed: Dec 30, 2025
1 condition2 sponsors0 locations
NCT01759225
Registry of Cardiovascular Disease Patients
N/AEnrolling by invitation
110,000 participants
Started: Jan 31, 1998
6 conditions1 sponsor1 location
NCT02366221
Upper-Extremity Bone or Joint Surgery: Long Term Outcome
N/AEnrolling by invitation
750 participants
Started: Jan 31, 1998 · Completed: Dec 31, 2026
2 conditions1 sponsor0 locations
NCT03072537
CrescNet - Growth Monitoring Network
N/ARecruiting
1,000,000 participants
Started: Jan 1, 1998 · Completed: Jan 1, 2028
3 conditions1 sponsor1 location
NCT00589654
Menstrual Cycle Maintenance and Quality of Life: A Prospective Study
N/AActive, not recruiting
810 participants
Started: Dec 31, 1997 · Completed: Dec 31, 2025
3 conditions1 sponsor1 location
NCT00580385
Chemotherapy Resistance in Osteogenic Sarcoma and Other Solid Tumors
NAActive, not recruiting
763 participants
Started: Aug 31, 1997 · Completed: Aug 31, 2026
1 condition5 sponsors1 location
NCT00003042
Chemotherapy and Stem Cell Transplantation in Treating Patients With Stage IIIB Breast Cancer
PHASE2Active, not recruiting
41 participants
Started: May 30, 1997 · Completed: Dec 29, 2025
1 condition2 sponsors1 location
NCT00262470
Treatment of Orthostatic Intolerance
PHASE1/PHASE2Active, not recruiting
150 participants
Started: Apr 30, 1997 · Completed: Dec 31, 2029
2 conditions2 sponsors1 location
NCT01558544
Cryopreservation of Ovarian Tissue
NARecruiting
300 participants
Started: Apr 30, 1997 · Completed: Oct 31, 2029
3 conditions1 sponsor1 location
NCT00001595
An Investigation of Pituitary Tumors and Related Hypothalmic Disorders
N/ARecruiting
2,000 participants
Started: Apr 21, 1997
4 conditions1 sponsor1 location
NCT00001406
Activation and Function of Eosinophils in Conditions With Blood or Tissue Eosinophilia
N/ARecruiting
800 participants
Started: Apr 21, 1997
5 conditions1 sponsor1 location
NCT04185935
Molecular Genetics Studies of Cancer Patients and Their Relatives
N/ARecruiting
999,999 participants
Started: Apr 18, 1997 · Completed: Aug 18, 2033
1 condition2 sponsors42 locations
NCT01062581
University of Minnesota Transplant Registry
N/ARecruiting
10,000 participants
Started: Mar 31, 1997 · Completed: Jan 31, 2050
2 conditions1 sponsor1 location
NCT00785525
Filgrastim-Mobilized Stem Cells for Transplantation Using Unrelated Donors
PHASE3Recruiting
60,000 participants
Started: Feb 28, 1997 · Completed: Jan 31, 2030
1 condition2 sponsors4 locations
NCT03352960
Environment and Childhood Project Based on a Multicentric Mother-child Cohort of Spain
N/AActive, not recruiting
2,957 participants
Started: Jan 31, 1997 · Completed: Feb 28, 2030
1 condition1 sponsor1 location
NCT00599092
Pituitary Tumor Surveillance: Pathogenic Correlation
N/ARecruiting
1,250 participants
Started: Jan 31, 1997 · Completed: Dec 31, 2050
1 condition1 sponsor1 location
NCT05817305
Integrating Exercise Into Lifestyle of Cardiac Outpatients
N/ARecruiting
5,000 participants
Started: Jan 1, 1997 · Completed: Dec 31, 2047
5 conditions1 sponsor1 location
NCT00608725
Pathophysiology of Orthostatic Intolerance
NAActive, not recruiting
260 participants
Started: Dec 31, 1996 · Completed: Dec 31, 2029
2 conditions1 sponsor1 location
NCT00001620
Screening for Hematology Branch Protocols
N/AEnrolling by invitation
10,000 participants
Started: Dec 31, 1996
3 conditions1 sponsor1 location
NCT01221168
Epidemiologic and Genetic Study on Familial Prostate Cancer
N/ARecruiting
10,000 participants
Started: Oct 31, 1996 · Completed: Dec 31, 2026
1 condition1 sponsor5 locations