NCT03875872

Brief Summary

Propofol used as anaesthesia in surgery had shown small postoperative analgesic benefits over inhalational anaesthetics in some meta-analyses. It was also associated with reduced risk of postoperative nausea and vomiting. Small sample of studies together with high heterogeneity prevented some meta-analyses to confirm propofol's effect for postoperative morphine consumption and other outcomes. Acute Pain Service data bank can provide an alternative way of evaluating postoperative outcomes of propofol anaesthetics through supplying a very large sample size in a more homogeneous setting. Retrospective study comparing propofol and inhalational anaesthetics on postoperative pain matched on patients' demographic and clinical data had been done for liver surgery. Propofol's benefits for postoperative pain and morphine consumption was confirmed but not for adverse effects. This study plans to analyze the postoperative outcome data from an Acute Pain Service data bank in years 2015-17 to compare the anaesthetics of propofol and inhalational anaesthetics. Comprehensive regression adjustment for confounders are performed using all available patients' demographic, clinical and anaesthetic data. All major surgery types are included. Results will provide postoperative outcome differences between propofol and inhalational anaesthetics for all surgeries and for specific type of surgeries. The large sample bank will provide higher probability for detecting outcome difference between the anaesthetics for all the major surgical types.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
3,922

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Feb 2019

Shorter than P25 for all trials

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

February 11, 2019

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

March 13, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

March 15, 2019

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 12, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 12, 2019

Completed
Last Updated

May 10, 2023

Status Verified

May 1, 2023

Enrollment Period

6 months

First QC Date

March 13, 2019

Last Update Submit

May 8, 2023

Conditions

Keywords

propofol, inhalation anaesthetics, postoperative outcomes, regression control

Outcome Measures

Primary Outcomes (1)

  • pain score

    NRS (0-10) for both rest and moving

    up to postoperative day 3

Secondary Outcomes (2)

  • analgesic consumption

    up to postoperative day 3

  • Amount of patients with adverse events in post-operation

    up to postoperative day 3

Study Arms (2)

Group propofol

Patients who had surgeries and were anaesthetized with propofol at Queen Mary Hospital, Hong Kong from Jan 2015 to Dec 2017

Drug: Propofol

Group inhalation anaesthetics

Patients who had surgeries and were anaesthetized via inhalation at Queen Mary Hospital, Hong Kong from Jan 2015 to Dec 2017

Drug: inhalation anaesthetics

Interventions

Patients who had surgeries and were anaesthetized with propofol at Queen Mary Hospital, Hong Kong from Jan 2015 to Dec 2017

Group propofol

Patients who had surgeries and were anaesthetized via inhalation at Queen Mary Hospital, Hong Kong from Jan 2015 to Dec 2017

Group inhalation anaesthetics

Eligibility Criteria

Age18 Years+
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Surgical and anaesthetic data in years 2015-17 from the Acute Pain Service records of Queen Mary Hospital are included for analysis. Available data are about 6000 surgical cases. Only general anaesthesia by propofol or inhalational anaesthetics are included.

You may qualify if:

  • Postoperative outcomes from Acute Pain Service data bank between Jan 2015 and Dec 2017 in Queen Mary Hospital would be retrieved;
  • Surgeries with general anaesthesia by either propofol or inhalational anaesthetics.

You may not qualify if:

  • Essential data missed;
  • Surgical types with small sample size below 30 for the data collection period.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The University of Hong Kong

Hong Kong, Hong Kong

Location

Related Publications (5)

  • Qiu Q, Choi SW, Wong SS, Irwin MG, Cheung CW. Effects of intra-operative maintenance of general anaesthesia with propofol on postoperative pain outcomes - a systematic review and meta-analysis. Anaesthesia. 2016 Oct;71(10):1222-33. doi: 10.1111/anae.13578. Epub 2016 Aug 10.

    PMID: 27506326BACKGROUND
  • Peng K, Liu HY, Wu SR, Liu H, Zhang ZC, Ji FH. Does Propofol Anesthesia Lead to Less Postoperative Pain Compared With Inhalational Anesthesia?: A Systematic Review and Meta-analysis. Anesth Analg. 2016 Oct;123(4):846-58. doi: 10.1213/ANE.0000000000001504.

    PMID: 27636574BACKGROUND
  • Kumar G, Stendall C, Mistry R, Gurusamy K, Walker D. A comparison of total intravenous anaesthesia using propofol with sevoflurane or desflurane in ambulatory surgery: systematic review and meta-analysis. Anaesthesia. 2014 Oct;69(10):1138-50. doi: 10.1111/anae.12713. Epub 2014 May 22.

    PMID: 24847783BACKGROUND
  • Chan AC, Qiu Q, Choi SW, Wong SS, Chan AC, Irwin MG, Cheung CW. Effects of Intra-Operative Total Intravenous Anaesthesia with Propofol versus Inhalational Anaesthesia with Sevoflurane on Post-Operative Pain in Liver Surgery: A Retrospective Case-Control Study. PLoS One. 2016 Feb 22;11(2):e0149753. doi: 10.1371/journal.pone.0149753. eCollection 2016.

    PMID: 26901037BACKGROUND
  • Wong SSC, Choi EKY, Chan WS, Cheung CW. Propofol total intravenous anaesthesia versus inhalational anaesthesia for acute postoperative pain in patients with morphine patient-controlled analgesia: a large-scale retrospective study with covariate adjustment. BMC Anesthesiol. 2022 May 10;22(1):140. doi: 10.1186/s12871-022-01683-9.

MeSH Terms

Conditions

Acute Pain

Interventions

Propofol

Condition Hierarchy (Ancestors)

PainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

PhenolsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • Stanley SC Wong, MBBS

    The University of Hong Kong

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Clinical Assistant Professor

Study Record Dates

First Submitted

March 13, 2019

First Posted

March 15, 2019

Study Start

February 11, 2019

Primary Completion

August 12, 2019

Study Completion

August 12, 2019

Last Updated

May 10, 2023

Record last verified: 2023-05

Data Sharing

IPD Sharing
Will not share

Locations