Drug: morphine: chronic pain clinical trials

Registry records that list "Drug: morphine" as an intervention. Being studied does not mean an intervention works or is approved.

Trials with Canadian sites

Recruiting in Canada

Registry records in total

Trials in Canada

No trial with a Canadian site lists this intervention in this snapshot.

Trials worldwide (outside Canada)

20 trials, 1 recruiting or not yet recruiting. Recruiting first.

		Phase	Countries
Dinalbuphine Ester (Naldebain) for Pain Management After Cesarean Section NCT06344169	Recruiting	Phase 2, Phase 3	Taiwan	Dalin Tzu Chi General Hospital	2024-05-06
Intravenous Methadone in Perioperative Acute and Chronic Management in Chinese Adult Cardiac Surgical Patients NCT05913284	Active, not recruiting	Phase 3	Hong Kong	Chinese University of Hong Kong	2024-01-15
Pain Multidisciplinar Intervention in Major Trauma Patients NCT05355441	Completed		Spain	Nuria Llorach-Perucho	2022-04-01
Efficacy of Injectable Fentanyl in Sublingual Route Versus Oral Morphine Syrup for Breakthrough Pain NCT05037539	Completed	Phase 1, Phase 2	Thailand	Department of Medical Services Ministry of Public Health of Thailand	2021-06-15
Brain Effects of Opiate Agonist and Antagonist NCT04342130	Completed	Phase 4	United States	University of Rochester	2018-04-27
Effect of Intrathecal Morphine on Chronic Pain After Elective Caesarean Section NCT03451695	Completed	Phase 4	Nepal	B.P. Koirala Institute of Health Sciences	2018-04-01
Effect of Combined Morphine and Duloxetine on Chronic Pain NCT03249558	Completed	Phase 4	United States	Massachusetts General Hospital	2018-03-12
Paravertebral Morphine Versus Dexmedetomidine on Acute and Chronic Postmastectomy Pain NCT02935933	Unknown status	Phase 1, Phase 2	Egypt	Assiut University	2016-10
Reduced Opioid Analgesic Requirements Via Improved Endogenous Opioid Function NCT02469077	Completed	Not applicable	United States	Vanderbilt University Medical Center	2015-08
The Effects of TAP Block on Postsurgical Pain After Minimally Invasive Partial Nephrectomy: NCT02460640	Completed	Not applicable	Italy	Regina Elena Cancer Institute	2015-05
A Comparison of Morphine and Morphine Plus Dexmedetomidine in Chronic Cancer Pain NCT02289261	Completed	Phase 4	Turkey (Türkiye)	Cukurova University	2014-11
Effect of Guanfacine on Opioid-induced Hyperalgesia (OIH) and Tolerance NCT01681264	Terminated	Phase 4	United States	Massachusetts General Hospital	2014-09
Prediction of Inter-individual Differences in the Response to Morphine Versus Milnacipran in Patients With Sciatica NCT01914042	Unknown status	Phase 2	Israel	Rambam Health Care Campus	2013-07
Levobupivacaine Prolonged Wound Infusion for Postoperative Pain Relief After Breast Surgery NCT02035904	Unknown status	Phase 4	Italy	Fondazione IRCCS Policlinico San Matteo di Pavia	2013-01
Effect of Local Administration of Morphine for Analgesia After Iliac Bone Graft Harvest NCT01037335	Withdrawn	Phase 4		The Cleveland Clinic	2009-04
Prospective Study About Clinical and Pharmacogenetic Safety of Opioid Use for Chronic Pain NCT00916890	Suspended	Phase 4	Italy	Fondazione IRCCS Policlinico San Matteo di Pavia	2009-02
Opioid Treatment for Chronic Low Back Pain and the Impact of Mood Symptoms NCT01502644	Completed	Phase 4	United States	Brigham and Women's Hospital	2009-02
Intrathecal Ketorolac in Patients With Intrathecal Morphine Dose Escalation NCT00349401	Withdrawn	Phase 2		Wake Forest University Health Sciences	2006-12
Opiate-Induced Tolerance & Hyperalgesia in Pain Patients NCT00246532	Completed	Phase 4	United States	National Institute of General Medical Sciences (NIGMS)	2005-10
An Efficacy and Safety Study of Transdermal Therapeutic System (TTS)-Fentanyl in Thai Participants With Chronic Non-Malignant Pain NCT01816243	Completed	Phase 4	Thailand	Janssen-Cilag Ltd.,Thailand	2004-04

Conditions studied with this intervention

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status.