Announcements Trials
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Status

Completed 8Unknown 5Recruiting 4Active not recruiting 2Withdrawn 1Terminated 1Suspended 1Not yet recruiting 1

Sponsor Class

OTHER 1

Study Type

Observational 1

Sponsor

Cancer Type

Gastrointestinal 1

Conditions

Breast Neoplasms 16Neoplasms 11Colorectal Neoplasms 7Carcinoma, Non-Small-Cell Lung 5Prostatic Neoplasms 4Lung Neoplasms 4Polycystic Ovary Syndrome 3Ovarian Neoplasms 3Glioblastoma 3Diabetes Mellitus 3Crohn Disease 3Vulvar Neoplasms 2Uterine Cervical Neoplasms 2Triple Negative Breast Neoplasms 2Stomach Neoplasms 2Squamous Cell Carcinoma of Head and Neck 2Skin Neoplasms 2Non-alcoholic Fatty Liver Disease 2Multiple Sclerosis 2Irritable Bowel Syndrome 2Glioma 2Endometrial Neoplasms 2Dyslipidemias 2Colonic Neoplasms 2Colitis, Ulcerative 2Celiac Disease 2Carcinoma, Renal Cell 2Arthritis, Rheumatoid 2Vulvar Diseases 1Vitamin D Deficiency 1

Interventions

Surveys and Questionnaires 1Phlebotomy 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

1 trials
RecentStart dateEnrollment
Suspended × Observational × Chronic Disease × Clear all
NCT04306939 2026-01-07

GREAT1

University of Pittsburgh

Suspended
120,000 enrolled
Gastrointestinal

Arthritis, Rheumatoid, Celiac Disease, Cholecystitis, Cholelithiasis, Chronic Disease, Crohn Disease, Cystic Fibrosis, Diabetes Mellitus, Fibrosis, Gastritis, Hepatitis, Liver Cirrhosis, Biliary, Multiple Sclerosis, Pancreatic Cyst, Exocrine Pancreatic Insufficiency, Pancreatitis, Inflammatory Bowel Diseases, Irritable Bowel Syndrome, Dyslipidemias, Pancreatitis, Chronic, Renal Insufficiency, Chronic, Chronic Pain, Non-alcoholic Fatty Liver Disease

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