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Status

Completed 47Unknown 32Recruiting 17Terminated 9Not yet recruiting 6Active not recruiting 2Suspended 1No longer available 1Enrolling by invitation 1

Sponsor Class

OTHER 1

Study Type

Observational 1

Sponsor

Cancer Type

Gastrointestinal 1

Conditions

Neoplasms 47Breast Neoplasms 46Colorectal Neoplasms 27Prostatic Neoplasms 26Carcinoma, Non-Small-Cell Lung 21Leukemia, Myeloid, Acute 20Glioblastoma 19Pancreatic Neoplasms 17Melanoma 17Lung Neoplasms 17Neoplasm Metastasis 16Glioma 14Stomach Neoplasms 13Ovarian Neoplasms 13Brain Neoplasms 13Carcinoma, Hepatocellular 12Precursor Cell Lymphoblastic Leukemia-Lymphoma 11Myelodysplastic Syndromes 11Triple Negative Breast Neoplasms 10Multiple Myeloma 10Head and Neck Neoplasms 10Carcinoma, Renal Cell 10Lymphoma 9Uterine Cervical Neoplasms 7Sarcoma 7Rectal Neoplasms 7Leukemia 7Hematologic Neoplasms 7Esophageal Neoplasms 7Colonic Neoplasms 7

Interventions

Surveys and Questionnaires 1Phlebotomy 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

1 trials
RecentStart dateEnrollment
Suspended × Inflammatory Bowel Diseases × 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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