Intraoperative Ketamine and Magnesium Therapy for Control of Postoperative Pain After a Liposuction and Lipoabdominoplasty (KEMPLA)

May 1, 2018 updated by: Veronica Varas Vega, University of Chile

Efficacy of Ketamine and Magnesium Association in the Postoperative Pain After Liposuction and Lipoabdominoplasty: Prospective, Randomized and Blinded Study

Lipoabdominoplasty and liposuction are one of the most common plastic surgeries. The management of postoperative pain is complex. Non Steroidal Anti Inflammatory Drugs (NSAIDs) are insufficient, while opioids are avoided by their adverse effects and regional techniques are hampered by a premature discharge. In this context, the investigators seek an intraoperative multimodal analgesic technique blocking NMDA receptors with ketamine plus magnesium to significantly decrease postoperative pain.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

63

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • RM
      • Santiago, RM, Chile, 7690306
        • Hospital Clinico de la Universidad de Chile

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Female and male
  • 18 years or older
  • Liposuction and lipoabdominoplasty
  • ASA 1 and 2
  • BMI 21-28 Kg/m2
  • Full secondary education

Exclusion Criteria:

  • Patients with surgeries added to the main proceedings
  • Scheduled to tuck in Flor de Lis or Body Lift
  • History of use of analgesic drugs 48 hours before surgery
  • Peripheral central neurological diseases
  • Known allergy will be excluded to medication in use in this study (ketamine, magnesium, clindamycin and penicillin or other)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: PREVENTION
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: DOUBLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
SHAM_COMPARATOR: Control group (C)
50 mL syringe with saline, plus 1 flask of 100 mL saline (Saline)
50 mL syringe will be infused at 0.3 mL/Kg in bolus and then 0.15 mL/Kg/h 100 mL flask will be infused at 1mL/Kg in bolus for 30 min and then 0.25mL/Kg/h
EXPERIMENTAL: Ketamine group (K)
50 mL syringe with ketamine (50mg / 50ml), plus 1 flask of 100 mL saline (Ketamine)
50 mL syringe will be infused at 0.3 mL/Kg in bolus and then 0.15 mL/Kg/h 100 mL flask will be infused at 1mL/Kg in bolus for 30 min and then 0.25mL/Kg/h
EXPERIMENTAL: Magnesium + ketamine group (MGK)
50mL syringe with ketamine (50mg / 50ml), plus a flask of 100ml of saline with 5 g of magnesium sulfate (Ketamine + magnesium)
50 mL syringe will be infused at 0.3 mL/Kg in bolus and then 0.15 mL/Kg/h 100 mL flask will be infused at 1mL/Kg in bolus for 30 min and then 0.25mL/Kg/h

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Opioids consumption
Time Frame: 12 h after surgery
12 h after surgery
Postoperative Pain (Postoperative Pain and Disability Scale)
Time Frame: 2, 7, 14, 21, 45 and 90 days after surgery
Postoperative Pain and Disability Scale (Body-PPDS) will be used to quantify pain
2, 7, 14, 21, 45 and 90 days after surgery

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Early postoperative pain (Visual analogue pain scale)
Time Frame: 0, 2, 4, 6, 12 and 24 h after surgery
Visual analogue pain scale (0-10) will be used to quantify pain
0, 2, 4, 6, 12 and 24 h after surgery
Early postoperative pain (Time to first request for supplemental analgesia)
Time Frame: 1 day
Time to first request for supplemental analgesia.
1 day
Disability (Time delay in returning to work)
Time Frame: 90 days
Time delay in returning to work.
90 days
Postoperative Chronic Pain (McGill scale)
Time Frame: Day after surgery, 7, 30 and 90 days after surgery
McGill scale for chronic painwill be used to quantify pain
Day after surgery, 7, 30 and 90 days after surgery

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Drug Side Effect
Time Frame: First day after surgery
Hallucinations, unpleasent dreams or some patient discomfort, sedation level, pruritus, hypotension, bradycardia, urinary retention, nausea, vomiting.
First day after surgery
Other Variables
Time Frame: First day
Sociodemographic variables; surgical variables as liters of aspirated fat, weight of resected flap, operative time, bleeding measured as the difference between pre and postoperative hemoblobinemia, immediate postoperative complications such as bleeding or hematoma and thromboembolic complications; anesthetic variables as total amount of remifentanil and sevorane consumption.
First day

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

June 1, 2015

Primary Completion (ACTUAL)

July 1, 2017

Study Completion (ACTUAL)

July 1, 2017

Study Registration Dates

First Submitted

May 18, 2015

First Submitted That Met QC Criteria

May 20, 2015

First Posted (ESTIMATE)

May 21, 2015

Study Record Updates

Last Update Posted (ACTUAL)

May 2, 2018

Last Update Submitted That Met QC Criteria

May 1, 2018

Last Verified

October 1, 2016

More Information

Terms related to this study

Other Study ID Numbers

  • OAIC N 722/15

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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