Comparison of A Single Dose Combination of Methadone and Morphine With Morphine Alone for Treating Post-operative Pain
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|ClinicalTrials.gov Identifier: NCT00142519|
Recruitment Status : Active, not recruiting
First Posted : September 2, 2005
Last Update Posted : April 4, 2018
|Condition or disease||Intervention/treatment||Phase|
|Pain||Drug: Methadone Drug: methadone and morphine||Phase 2|
Rationale: Experimental data demonstrates a profound analgesic synergy between morphine and methadone when co-administered systemically in mice. If this type of synergy can be demonstrated in clinical pain, it will be a relatively unique example of translating concepts of fundamental aspects of opioid actions seen in the laboratory to the clinical area, and provide a basis for offering new and scientifically- based analgesic regimens. This may provide better pain relief with less opioid related side effects in clinical practice.
This is a randomized, double blind, parallel arm Phase II study comparing a single dose of 1:1 combination of methadone and morphine with morphine alone in patients with post-operative pain.
- The primary objective of this randomized, double blind, parallel arm Phase II study is to compare the analgesic effects of a combination of morphine and methadone with morphine alone to determine synergistic activity of mu opioid analgesics in patients with post-operative pain.
- A second goal is to further evaluate any side effects of the combination of morphine and methadone.
|Study Type :||Interventional (Clinical Trial)|
|Estimated Enrollment :||70 participants|
|Intervention Model:||Parallel Assignment|
|Masking:||Double (Participant, Investigator)|
|Official Title:||Translational Studies in Analgesic Pharmacology: Analgesic Synergy in Clinical Pain. A Phase 2 Study Comparing a Single Dose of a 1:1 Combination of Methadone and Morphine With Morphine Alone in Patients With Post-operative Pain.|
|Actual Study Start Date :||March 2005|
|Estimated Primary Completion Date :||March 2019|
|Estimated Study Completion Date :||March 2019|
Active Comparator: 1
Upon the 1st request for analgesic medication morphine 2 mg, upon the 2nd request for analgesic medication morphine 2 mg
methadone and morphine
Drug: methadone and morphine
Upon the 1st request for analgesic medication morphine 2 mg, upon the 2nd request for analgesic medication morphine 1 mg and methadone 1 mg
- The primary goal of this study is to compare the analgesic effects of a combination of morphine and methadone with morphine alone to determine synergistic activity of mu opioid analgesics in patients with post-operative pain. [ Time Frame: Time to the third request for the pain medication ]
- To determine if there are any side effects from the combination of morphine and methadone when given together. [ Time Frame: assessed every 10 minutes ]
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00142519
|United States, New York|
|Memorial Sloan Kettering Cancer Center|
|New York, New York, United States, 10065|
|Principal Investigator:||Natalia Moryl, MD||Memorial Sloan Kettering Cancer Center|