Announcements Trials
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Status

Suspended 1

Sponsor Class

OTHER 1

Study Type

Observational 1

Sponsor

Cancer Type

Gastrointestinal 1

Conditions

Neoplasms 5Ovarian Neoplasms 3Lung Neoplasms 3Breast Neoplasms 3Prostatic Neoplasms 2Lymphoma 2Head and Neck Neoplasms 2Colorectal Neoplasms 2Carcinoma, Non-Small-Cell Lung 2Brain Neoplasms 2Adenocarcinoma 2Urticaria 1Tuberous Sclerosis 1Squamous Cell Carcinoma of Head and Neck 1Small Cell Lung Carcinoma 1Severe Combined Immunodeficiency 1Salivary Gland Neoplasms 1Renal Insufficiency, Chronic 1Rectal Neoplasms 1Pancreatitis, Chronic 1Pancreatitis 1Pancreatic Cyst 1Non-alcoholic Fatty Liver Disease 1Neuroendocrine Tumors 1Neuroblastoma 1Nephritis 1Neoplasm Metastasis 1Multiple Sclerosis 1Mucopolysaccharidosis I 1Melanoma 1

Interventions

Registries 2Surveys and Questionnaires 1Risk Factors 1Phlebotomy 1Cause of Death 1COVID-19 Vaccines 1BNT162 Vaccine 1Activities of Daily Living 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

1 trials
RecentStart dateEnrollment
Observational × Chronic Disease × Phlebotomy × 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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