Trial Outcomes & Findings for The Effects of Ketamine and Methadone on Postoperative Pain for Laminectomy (NCT NCT02252432)

NCT ID: NCT02252432

Last Updated: 2024-02-29

Results Overview

Perioperative use of opioid consumption inside the hospital (recorded by study staff and data obtained from patient charts)

Recruitment status

TERMINATED

Study phase

PHASE4

Target enrollment

13 participants

Primary outcome timeframe

1 day

Results posted on

2024-02-29

Participant Flow

Participant milestones

Participant milestones
Measure
Ketamine
A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min)) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction. Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Methadone
Will receive a single dose of IV methadone (0.2 mg/kg) preinduction Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Ketamine + Methadone
Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min) Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction.
Overall Study
STARTED
5
6
2
Overall Study
COMPLETED
5
6
2
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Effects of Ketamine and Methadone on Postoperative Pain for Laminectomy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Ketamine
n=5 Participants
A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min)) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction. Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Methadone
n=6 Participants
Will receive a single dose of IV methadone (0.2 mg/kg) preinduction Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Ketamine + Methadone
n=2 Participants
Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min) Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction.
Total
n=13 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Age, Categorical
Between 18 and 65 years
1 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
2 Participants
n=4 Participants
Age, Categorical
>=65 years
4 Participants
n=5 Participants
5 Participants
n=7 Participants
2 Participants
n=5 Participants
11 Participants
n=4 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
2 Participants
n=7 Participants
1 Participants
n=5 Participants
6 Participants
n=4 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
4 Participants
n=7 Participants
1 Participants
n=5 Participants
7 Participants
n=4 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
1 Participants
n=4 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
White
5 Participants
n=5 Participants
5 Participants
n=7 Participants
2 Participants
n=5 Participants
12 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Region of Enrollment
United States
5 Participants
n=5 Participants
6 Participants
n=7 Participants
2 Participants
n=5 Participants
13 Participants
n=4 Participants

PRIMARY outcome

Timeframe: 1 day

Perioperative use of opioid consumption inside the hospital (recorded by study staff and data obtained from patient charts)

Outcome measures

Outcome measures
Measure
Ketamine
n=5 Participants
A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min)) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction. Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Methadone
n=6 Participants
Will receive a single dose of IV methadone (0.2 mg/kg) preinduction Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Ketamine + Methadone
n=2 Participants
Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min) Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction.
Opioid Consumption Obtained From the Recorded Data
23 milligram morphine equivalents
Standard Deviation 20
30 milligram morphine equivalents
Standard Deviation 16
26 milligram morphine equivalents
Standard Deviation 40

PRIMARY outcome

Timeframe: 1 day

Postoperative pain was measured at PACU using a Verbal Rating Scale from 0 to 10. Where 0= no pain and 10= maximum pain experienced

Outcome measures

Outcome measures
Measure
Ketamine
n=5 Participants
A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min)) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction. Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Methadone
n=6 Participants
Will receive a single dose of IV methadone (0.2 mg/kg) preinduction Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Ketamine + Methadone
n=2 Participants
Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min) Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction.
Postoperative Pain
3.3 score on a scale
Standard Deviation 2
4.1 score on a scale
Standard Deviation 1
4.0 score on a scale
Standard Deviation 1.2

SECONDARY outcome

Timeframe: 1 day

The number of participants who experienced nausea and vomiting

Outcome measures

Outcome measures
Measure
Ketamine
n=5 Participants
A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min)) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction. Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Methadone
n=6 Participants
Will receive a single dose of IV methadone (0.2 mg/kg) preinduction Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Ketamine + Methadone
n=2 Participants
Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min) Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction.
Nausea and Vomiting
0 Participants
1 Participants
0 Participants

SECONDARY outcome

Timeframe: 3 days

Day one, day three after surgery

Outcome measures

Outcome measures
Measure
Ketamine
n=5 Participants
A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min)) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction. Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Methadone
n=6 Participants
Will receive a single dose of IV methadone (0.2 mg/kg) preinduction Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Ketamine + methadone: Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min)
Ketamine + Methadone
n=2 Participants
Methadone (0.2 mg/kg) preinduction, a bolus of IV ketamine (0.5 mg/kg) during induction and IV ketamine infusion intraoperatively (5 mcg/kg/min) Ketamine: A bolus of intravenous (IV) ketamine during induction (0.5mg/kg), and an IV infusion of ketamine intraoperatively (5 mcg/kg/min) Methadone: A single dose of IV methadone (0.2 mg/kg) preinduction.
Number of Participants With Constipation at Follow up
0 Participants
1 Participants
0 Participants

Adverse Events

Ketamine

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Methadone

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Ketamine + Methadone

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Ofelia Loani Elvir Lazo, MD

Cedars Sinai Medical Center

Phone: 310-423-1682

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place