Clinical Effectiveness & Safety of Intraoperative Methadone in Patients

Status Active, not recruiting

Clinical Trial Summary

The role of a single-dose of intraoperative methadone on postoperative pain and opioid consumption in patients undergoing hysterectomy remains scarcely explored. A prospective double-blind, randomised controlled trial investigating the effect of a single-dose of intraoperative methadone in patients scheduled for same day hysterectomy is therefore conducted.

Clinical Trial Description

Background with aim: Hysterectomy is the most common major gynaecological procedure in the world and hysterectomy on benign indications are increasingly being performed as same-day surgery. Therefore, perioperative anaesthesia has moved towards the use of very short-acting opioids with the incitement to speed up extubation and facilitate hospital discharge. However, the potential consequence is that more patients experience pain and discomfort. Methadone has several desirable pharmacological features, and a single intraoperative dose of the long acting opioid could therefore theoretically expand the analgesic window and reduce postoperative opioid consumption compared to the more conventional use of short-acting opioids. The aim of this study is to investigate the effect of a single-dose of intravenous intraoperative methadone on postoperative opioid consumption, pain and side effects in patients scheduled for hysterectomy for benign indications. Our primary hypothesis is that intravenous perioperative methadone reduces opioid consumption (oral cumulative equivalent dose) by 30% during the first 24 postoperative hours compared to intravenous morphine. Methods: 126 patients will be included in an investigator-initiated, prospective, randomised, double-blind, controlled trial with two arms: an intervention arm (methadone 0.2 mg/kg ideal body weight) and a control arm (morphine 0.2 mg/kg ideal body weight). The study will be GCP-monitored, and is approved by the Danish Health and Medicines Authority (2018-004351-20) and the Central Denmark Region Committees on Health Research Ethics (1-10-72-365-18). Hypothesis: The results will probably be applicable to other types of surgery involving visceral pain, and thus the present study has the potential to improve the pain management for a large number of patients undergoing surgery. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03908060
Study type	Interventional
Source	University of Aarhus
Contact
Status	Active, not recruiting
Phase	N/A
Start date	May 6, 2019
Completion date	December 1, 2022

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Clinical Effectiveness and Safety of Intraoperative Methadone in Patients Undergoing Laparoscopic Hysterectomy

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms