NCT03274453

Brief Summary

The aim of the proposed study is to examine the effectiveness of low dose postoperative ketamine infusion as an analgesic adjuvant to morphine pca in opioid tolerant and opioid naïve patients after major spine surgery. Primary endpoints of the study are to determine the effectiveness of postoperative ketamine infusion in for the reduction of postoperative pain and opioid requirements.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
129

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Nov 2012

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2012

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2014

Completed
2.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2017

Completed
4 days until next milestone

First Submitted

Initial submission to the registry

September 5, 2017

Completed
2 days until next milestone

First Posted

Study publicly available on registry

September 7, 2017

Completed
9 months until next milestone

Results Posted

Study results publicly available

June 14, 2018

Completed
Last Updated

June 14, 2018

Status Verified

May 1, 2018

Enrollment Period

2 years

First QC Date

September 5, 2017

Results QC Date

November 24, 2017

Last Update Submit

May 15, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Hydromorphone Use/24 Hours postOP in mg/kg

    Hydromorphone use during the first postoperative 24 hours in mg/kg

    24 Hours

Study Arms (4)

Ketamine Naive

ACTIVE COMPARATOR

After an initial bolus of 0.2 mg/kg, the dose will be fixed at 0.12 mg/kg/hr of ketamine. Infusion will be maintained for 24 hours.

Drug: Ketamine

Naive Placebo

PLACEBO COMPARATOR

Saline will be administered at the same rate as the ketamine infusion. Infusion will be maintained for 24 hours.

Drug: Saline

Tolerant Placebo

PLACEBO COMPARATOR

Saline will be administered at the same rate as the ketamine infusion. Infusion will be maintained for 24 hours.

Drug: Saline

Tolerant Ketamine

EXPERIMENTAL

After an initial bolus of 0.2 mg/kg, the dose will be fixed at 0.12 mg/kg/hr of ketamine. Infusion will be maintained for 24 hours.

Drug: Ketamine

Interventions

0.12 mg/kg/hr of ketamine post surgery

Ketamine NaiveTolerant Ketamine
SalineDRUG

Saline will be administered at the same rate as the ketamine infusion.

Naive PlaceboTolerant Placebo

Eligibility Criteria

Age16 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Adult and teenage (\>/=16) male or female who will undergo surgery for multilevel (\>4 level) spinal fusion from a posterior approach with general anesthesia, and who are fluent English speakers such that they can complete the pain score and satisfaction questionnaires whose scores are a critical outcome variable.
  • If female, subject is non-lactating and is either:
  • Not of childbearing potential
  • Of childbearing potential but is not pregnant at time of baseline as determined by pre-surgical pregnancy testing.
  • Subject is ASA physical status 1, 2, or 3.

You may not qualify if:

  • anxiety
  • psychiatric disorder
  • Allergy or sensitivity to ketamine or dilaudid
  • Deemed un-acceptable by study team
  • Cognitively impaired (by history)
  • Subject requires chronic antipsychotic medication
  • Subject known to be in liver failure
  • Subject for whom opioids or ketamine are contraindicated
  • Patients with narrow angle glaucoma
  • Patients with a history of psychosis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

New York University School of Medicine

New York, New York, 10016, United States

Location

Related Publications (1)

  • Boenigk K, Echevarria GC, Nisimov E, von Bergen Granell AE, Cuff GE, Wang J, Atchabahian A. Low-dose ketamine infusion reduces postoperative hydromorphone requirements in opioid-tolerant patients following spinal fusion: A randomised controlled trial. Eur J Anaesthesiol. 2019 Jan;36(1):8-15. doi: 10.1097/EJA.0000000000000877.

MeSH Terms

Interventions

KetamineSodium Chloride

Intervention Hierarchy (Ancestors)

CyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsChloridesHydrochloric AcidChlorine CompoundsInorganic ChemicalsSodium Compounds

Results Point of Contact

Title
Kirsten Boenigk
Organization
New York University School of Medicine

Study Officials

  • Kirsten Boenigk, MD

    Kirsten.Boenigk@nyumc.org

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 5, 2017

First Posted

September 7, 2017

Study Start

November 1, 2012

Primary Completion

November 1, 2014

Study Completion

September 1, 2017

Last Updated

June 14, 2018

Results First Posted

June 14, 2018

Record last verified: 2018-05

Locations