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Methadone and Ketamine for Neuropathic Pain Treatment

Neuropathic Pain Clinical Trial

Official title:
Management of Neuropathic Chronic Pain With Methadone Combined With Ketamine: Randomized, Double Blind, Active-controlled Clinical Trial

Clinical Trial Summary

Methadone and ketamine are effective for neuropathic pain management. However, the benefits of the association of both drugs are uncertain. Here, the investigators conducted a randomized, double-blind, in parallel, active controlled clinical trial to test the hypothesis that methadone combined ketamine (methadone/ketamine) is more effective than methadone or ketamine alone in reducing neuropathic pain.

Clinical Trial Description

Either oral methadone or ketamine have been used in neuropathic pain management, however, the benefits of the association of both drugs are uncertain. Here, we conducted a randomized, double-blind, in parallel, active controlled clinical trial to test the hypothesis that methadone combined ketamine (methadone/ketamine) is more effective than methadone or ketamine alone in reducing neuropathic pain.

Methods: Fourthly two patients with neuropathic pain refractory to conventional therapy were randomly assigned to receive during three months oral methadone (n= 13), ketamine (n=13) or methadone combined with ketamine (n=13). The primary outcome was pain score on visual analogical scale (VAS) assessed on baseline, 8, 15, 30, 60 and 90 days throughout the treatment, and the secondary outcomes were symptoms of neuropathic pain such as allodynia, burning or shooting pain as well the side effects. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Factorial Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02233452
Study type Interventional
Source Universidade Federal de Santa Maria
Contact
Status Completed
Phase Phase 4
Start date January 2012
Completion date August 2012
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