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 138Neoplasms 118Prostatic Neoplasms 64Lung Neoplasms 48Head and Neck Neoplasms 46Colorectal Neoplasms 38Ovarian Neoplasms 33Uterine Cervical Neoplasms 29Endometrial Neoplasms 23Motor Activity 22Neoplasm Metastasis 20Multiple Myeloma 20Pancreatic Neoplasms 19Brain Neoplasms 19Rectal Neoplasms 18Lymphoma 17Colonic Neoplasms 17Pain 16Gastrointestinal Neoplasms 16Fatigue 16Carcinoma, Non-Small-Cell Lung 16Leukemia 15Depression 15Oropharyngeal Neoplasms 13Melanoma 13Anxiety Disorders 13Urinary Bladder Neoplasms 12Hematologic Neoplasms 12Esophageal Neoplasms 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
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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