NCT05421962

Brief Summary

Aim: The aim of the study was to to compare the analgesic effects of ketamine over fentanyl combined with propofol in analgesia-based elective colonoscopy with purpose of patient safety and satisfaction. Methods: This is a double-blinded prospective randomized controlled trial. Ninety patients were included and randomized to either fentanyl-propofol (Group FP, n: 30), ketamine-propofol (Group KP, n: 30) or propofol-control group (Group C, n: 30). Group FP patients received fentanyl and propofol, Group KP received ketamine and propofol and Group C, propofol. In all groups, incremental doses of propofol were used to maintain a Ramsay sedation score (RSS) of 5. Respiratory depression, hemodynamic parameters were monitored for the first minute and every 5 minutes during endoscopy. Fifteen minutes after the procedure, the degree of pain was assessed using a visual analog scale (VAS), the quality of recovery according to the Aldrete score (ARS), complications during and after the procedure and additional doses of propofol were recorded.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
90

participants targeted

Target at P75+ for phase_1 pain

Timeline
Completed

Started Jan 2020

Longer than P75 for phase_1 pain

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

January 1, 2020

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 15, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 15, 2021

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

June 10, 2022

Completed
6 days until next milestone

First Posted

Study publicly available on registry

June 16, 2022

Completed
Last Updated

June 21, 2022

Status Verified

June 1, 2022

Enrollment Period

2 years

First QC Date

June 10, 2022

Last Update Submit

June 15, 2022

Conditions

Keywords

analgesicketaminefentanylcolonoscopy

Outcome Measures

Primary Outcomes (1)

  • Degree of the pain

    15 minutes after the procedure, the degree of pain was assessed using a visual analog scale (VAS).The scale is horizontal, ungraded, bounded at both ends by vertical lines that define the extreme limits of the indicators being measured. The experienced pain sensation were marked by the patient on a scale, and then the marked position were assigned a numerical value according to the VAS score as follows: VAS score: no pain 0-10 mm; mild pain 10-30 mm; moderate pain 30-70 mm; severe pain 70-100 mm.

    15 minutes

Study Arms (3)

Midazolam and Fentanyl

EXPERIMENTAL

Patients were premedicated with 0.05 mg kg-1 of midazolam (PanPharma), 5 minutes before the starting of the procedure. Afterwards, sedation induction was performed with 1 mcg kg-1 of fentanyl (Panpharma; SanMed) and 0.5 mg kg-1 of propofol (Fresenius Kabi; Amicus Pharma).

Drug: Ketamine

Midazolam and Ketamine

EXPERIMENTAL

Patients were premedicated with 0.05 mg kg-1 of midazolam (PanPharma), 5 minutes before the starting of the procedure. Afterwards, sedation induction was performed with ketamine (Inresa Arzneimittel) 0.5 mg kg-1 and 0.5 mg kg-1 of propofol.

Drug: Ketamine

Midazolam and Propofol

NO INTERVENTION

Patients were premedicated with 0.05 mg kg-1 of midazolam (PanPharma), 5 minutes before the starting of the procedure. Afterwards, sedation induction was performed with 1 mg kg-1 of propofol.

Interventions

Ninety patients were included and randomized to either fentanyl-propofol (Group FP, n: 30), ketamine-propofol (Group KP, n: 30) or propofol-control group (Group C, n: 30). Group FP patients received fentanyl and propofol, Group KP received ketamine and propofol and Group C, propofol.

Also known as: Fentanyl
Midazolam and FentanylMidazolam and Ketamine

Eligibility Criteria

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

You may qualify if:

  • ASA physical statuses I and II,
  • patients who were older than 18 years

You may not qualify if:

  • colonoscopies lasting longer than 30 minutes,
  • patients with previous abdominal surgery,
  • patients treated for neuropathic pain, malignant and respiratory diseases,
  • pregnant women, gastrointestinal obstruction,
  • patients using antihypertensive and antiarrhythmic drugs,
  • psychiatric patients,
  • patients with ASA physical status III and higher,
  • patients who refused to participate in the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Cantonal Hospital

Zenica, 72000, Bosnia and Herzegovina

Location

MeSH Terms

Conditions

Pain

Interventions

KetamineFentanyl

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

CyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPiperidinesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

June 10, 2022

First Posted

June 16, 2022

Study Start

January 1, 2020

Primary Completion

December 15, 2021

Study Completion

December 15, 2021

Last Updated

June 21, 2022

Record last verified: 2022-06

Locations