NCT01365195

Brief Summary

The purpose of this research is to evaluate the effectiveness of ketamine as an analgesic adjuvant in decreasing the narcotic (opioids) analgesics during surgery, on pain management and on the later recovery after surgery in patients undergoing colorectal surgery.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
21

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started May 2011

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

Status
terminated

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

May 1, 2011

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

June 1, 2011

Completed
2 days until next milestone

First Posted

Study publicly available on registry

June 3, 2011

Completed
3.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
7.3 years until next milestone

Results Posted

Study results publicly available

March 2, 2022

Completed
Last Updated

March 2, 2022

Status Verified

February 1, 2022

Enrollment Period

3.6 years

First QC Date

June 1, 2011

Results QC Date

January 17, 2022

Last Update Submit

February 9, 2022

Conditions

Keywords

opioidFentanylAnesthetic adjuvantPain managementPerioperative outcomesConstipationIleusColorectal

Outcome Measures

Primary Outcomes (1)

  • Number of Participants With Opioid Consumption

    Perioperative use of opioid consumption at Post Anesthesia Care Unit (PACU) Data obtained from patient charts

    1 day

Secondary Outcomes (2)

  • Postoperative Pain

    one day

  • Participants With Nausea and Vomiting at PACU

    1 day

Study Arms (3)

Control

PLACEBO COMPARATOR

Loading and Infusion: Saline at infusion rate calculated and adjusted for weight to match ketamine bolus-infusion rate

Drug: Ketamine high-doseDrug: Ketamine low-dose

Ketamine low-dose

ACTIVE COMPARATOR

Loading: 0.5 mg/Kg Infusion: 5 mcg/kg/min

Drug: PlaceboDrug: Ketamine high-dose

Ketamine high-dose

ACTIVE COMPARATOR

Loading: 1 mg/Kg Infusion: 10 mcg/kg/min

Drug: PlaceboDrug: Ketamine low-dose

Interventions

Loading and Infusion: Saline at infusion rate calculated and adjusted for weight to match ketamine bolus-infusion rate

Also known as: Saline Solution
Ketamine high-doseKetamine low-dose

Loading: 1 mg/Kg Infusion: 10 mcg/kg/min

ControlKetamine low-dose

Loading: 0.5 mg/Kg Infusion: 5 mcg/kg/min

ControlKetamine high-dose

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients scheduled to undergo small and/or large partial bowel resection via laparotomy or laparoscopy
  • Willingness and ability to sign an informed consent document
  • No allergies to anesthetic or analgesic medications
  • years of age
  • American Society of Anesthesiologists (ASA) Class I - III adults of either sex

You may not qualify if:

  • Inability to comprehend the pain assessment tools
  • Patients with known allergy, hypersensitivity or contraindications to anesthetic or analgesic medications
  • Patients with clinically-significant heart disease including arrhythmias and significant hypertension, brain aneurysms, prior history of cerebral vascular accident (CVA), or chronic renal insufficiency
  • Prior abdominal surgery
  • History of abdominal carcinomatosis
  • History of radiation enteritis;
  • Patients with history of hepatic, renal, cardiac failure, organ transplant, or diabetes
  • Patients with seizures
  • Morbid obesity (body mass index \>40)
  • Pregnant or lactating women
  • Subjects with a history of alcohol or drug abuse within the past 3 months
  • Any other conditions or use of any medication which may interfere with the conduct of the study
  • Prophylactic Nasogastric Tube (NGT) use
  • Individuals with significant manic disorders including: schizophrenia, or bipolar disorder or psychosis
  • Individuals with asthma and/or thyroid diseases

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Cedars Sinai Medical center

Los Angeles, California, 90048, United States

Location

MeSH Terms

Conditions

AgnosiaConstipationIleus

Interventions

Saline SolutionKetamine

Condition Hierarchy (Ancestors)

Perceptual DisordersNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and SymptomsSigns and Symptoms, DigestiveIntestinal ObstructionIntestinal DiseasesGastrointestinal DiseasesDigestive System Diseases

Intervention Hierarchy (Ancestors)

Crystalloid SolutionsIsotonic SolutionsSolutionsPharmaceutical PreparationsCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Results Point of Contact

Title
Research project Advisor
Organization
Cedars Sinai Medical Center

Study Officials

  • Roya Yumul, MD PhD

    Cedars-Sinai Medical Center

    PRINCIPAL INVESTIGATOR
  • Roya Yumul, MD., PhD

    Cedars-Sinai Medical Center

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Residency program director, Department of anesthesiology

Study Record Dates

First Submitted

June 1, 2011

First Posted

June 3, 2011

Study Start

May 1, 2011

Primary Completion

December 1, 2014

Study Completion

December 1, 2014

Last Updated

March 2, 2022

Results First Posted

March 2, 2022

Record last verified: 2022-02

Locations