Announcements Trials
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Status

Suspended 1

Sponsor Class

OTHER 1

Study Type

Observational 1

Sponsor

Cancer Type

Gastrointestinal 1

Conditions

Breast Neoplasms 132Neoplasms 114Prostatic Neoplasms 63Lung Neoplasms 47Head and Neck Neoplasms 46Colorectal Neoplasms 35Ovarian Neoplasms 33Uterine Cervical Neoplasms 28Endometrial Neoplasms 23Motor Activity 22Neoplasm Metastasis 20Multiple Myeloma 19Brain Neoplasms 19Pancreatic Neoplasms 18Rectal Neoplasms 17Lymphoma 16Fatigue 16Carcinoma, Non-Small-Cell Lung 16Pain 15Gastrointestinal Neoplasms 15Colonic Neoplasms 15Leukemia 14Depression 14Oropharyngeal Neoplasms 13Urinary Bladder Neoplasms 12Melanoma 12Hematologic Neoplasms 12Esophageal Neoplasms 12Anxiety Disorders 12Stomach Neoplasms 11

Interventions

Diet, Gluten-Free 2Surveys and Questionnaires 1Phlebotomy 1Endoscopy 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

1 trials
RecentStart dateEnrollment
OTHER × Celiac Disease × Surveys and Questionnaires × 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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