Postoperative & Opioid Free Anesthesia

Status Terminated

Clinical Trial Summary

Since the 1960's, intraoperative administration of opioids is considered a keystone of anesthesia as well as hypnotics and muscle relaxants. Synthetic opioids were introduced to achieve hemodynamic stability during anesthesia. They allow an inhibition of the sympathetic system without cardiovascular collapse and histamine release. Since then, anesthesia has changed from inhalation to multimodal anesthesia with lower doses of hypnotic. In 2017, the intraoperative objectives of hypnosis, hemodynamic stability, immobility and anticipation of postoperative analgesia can be achieved without opioids. Moreover, opioid administration consequences are neither scarce nor benign for the patient. Perioperative opioids are associated with nausea and vomiting, sedation, ileus, confusion/delirium, respiratory depression, increased postoperative pain and morphine consumption, immunodepression, hyperalgesia and chronic postoperative pain. Among these complications, hypoxemia, ileus and confusion/delirium are the most frequent.

Efficacious multimodal analgesia and anesthesia are the basis of successful fast-track surgery. These multidrug regimens aim at decreasing postoperative pain, intra- and postoperative opioid requirements, and subsequently, opioid-related adverse effects and to fasten recovery. Opioid-free postoperative analgesia has been recommended for more than 10 years. Opioid-free anesthesia (OFA) is based on the idea that hemodynamic stability can be achieved without opioids during anesthesia. OFA is multimodal anesthesia associating hypnotics, N-methyl-D-aspartate (NMDA) antagonists, local anesthetics, anti-inflammatory drugs and alpha-2 agonists (Dexmedetomidine).

Proofs of the effect of OFA on reducing opioid-related adverse effects after major or intermediate non-cardiac surgery are still scarce. We hypothesized that the reduced opioid consumption during and after surgery allowed by OFA compared with standard of care will be associated with a reduction of postoperative opioid-related adverse events.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03316339
Study type	Interventional
Source	Rennes University Hospital
Contact
Status	Terminated
Phase	Phase 3
Start date	November 29, 2017
Completion date	June 19, 2019

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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.

Postoperative and Opioid Free Anesthesia — POFA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms