Announcements Trials
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Phase

Phase NA 1Phase 4 1

Status

Completed 81Unknown 29Recruiting 18Not yet recruiting 8Terminated 7Active not recruiting 7Suspended 3Withdrawn 2Enrolling by invitation 1

Sponsor Class

OTHER 3

Study Type

Interventional 2Observational 1

Sponsor

Cancer Type

Gastrointestinal 1

Conditions

Breast Neoplasms 32Neoplasms 28Colorectal Neoplasms 19Prostatic Neoplasms 16Lung Neoplasms 13Leukemia, Myeloid, Acute 12Glioblastoma 12Stomach Neoplasms 10Head and Neck Neoplasms 10Carcinoma, Non-Small-Cell Lung 10Pancreatic Neoplasms 9Precursor Cell Lymphoblastic Leukemia-Lymphoma 8Melanoma 8Glioma 8Brain Neoplasms 8Rectal Neoplasms 7Carcinoma, Hepatocellular 7Ovarian Neoplasms 6Neoplasm Metastasis 6Hematologic Neoplasms 6Uterine Cervical Neoplasms 5Polycystic Ovary Syndrome 5Myelodysplastic Syndromes 5Multiple Myeloma 5Esophageal Neoplasms 5Carcinoma, Renal Cell 5Triple Negative Breast Neoplasms 4Lymphoma, B-Cell 4Lymphoma 4Depression 4

Interventions

Surveys and Questionnaires 1Phlebotomy 1Oxycodone 1Morphine 1Fentanyl 1Buprenorphine 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

3 trials
RecentStart dateEnrollment
Suspended × OTHER × Chronic Pain × 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

NCT05067556 2025-08-08

Decreasing Long-term Opioid Use in Cancer Survivors

Virginia Commonwealth University

Phase NA Suspended
18 enrolled

Cancer Pain, Pain, Chronic Pain

NCT00916890 2014-01-09

Prospective Study About Clinical and Pharmacogenetic Safety of Opioid Use for Chronic Pain

Fondazione IRCCS Policlinico San Matteo di Pavia

Phase 4 Suspended
320 enrolled

Cancer Pain, Chronic Pain

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