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Ketamine Effect After Laparoscopic Gastric Reduction: A Randomized, Double-Blinded, Placebo Controlled Study

NCT01997515 · Status: COMPLETED · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 80

Last updated 2019-10-07

Study results available
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Summary

Laparoscopic surgery for gastric reduction is frequently associated with high levels of postoperative pain. Postoperative pain is very often treated with opioids. However large doses of opioids can result in respiratory depression with hypoxemia especially in high risk patients with obstructive sleep apnea. since a large group of patients undergoing surgery for gastric reduction surgery also have obstructive sleep apnea, it is expected that these patients are also at high risk for postoperative respiratory depression and hypoxemia.

Intraoperative ketamine has been used as an effective multimodal agent to reduce postoperative pain. However, ketamine alone has not been examined to improve postoperative pain outcomes in patients undergoing gastric reduction surgery. More importantly, it is unknown if the use of intraoperative ketamine can lead to better overall quality of recovery in the same patient population. In addition, ketamine has been shown to improve ventilation but it remains to be determined if the intraoperative use of ketamine will result in less postoperative hypoxemic events.

The main objective of the current investigation is to examine the effect of intraoperative ketamine on postoperative quality of recovery after gastric reduction surgery. The investigators hypothesize that subjects receiving ketamine will have a greater global quality of recovery score than the ones receiving saline.

Conditions

Interventions

DRUG

Ketamine

Group K (ketamine) will receive 0.5mg /kg of ketamine bolus followed by an infusion of 0.5 mg/kg/hour of ketamine throughout the intraoperative period (Adjusted body weight).

DRUG

placebo

Group P (placebo) will receive the same amount of saline.

Sponsors & Collaborators

Principal Investigators

  • Meltem Yilmaz, MD · Northwestern University

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
64 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2013-11-30
Primary Completion
2019-07-26
Completion
2019-08-22

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01997515 on ClinicalTrials.gov