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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03009929
Registration number
NCT03009929
Ethics application status
Date submitted
19/12/2016
Date registered
4/01/2017
Date last updated
17/10/2019
Titles & IDs
Public title
Validation Study of ClassIntra®
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Scientific title
International Multicentre Cohort Study for the External Validation of ClassIntra® - Classification of Intraoperative Adverse Events
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Secondary ID [1]
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2016-00469
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Universal Trial Number (UTN)
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Trial acronym
ClassIntra®
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Patient Safety
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Intraoperative Complications
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Postoperative Complications
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Risk Management
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Condition category
Condition code
Surgery
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Other surgery
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Other interventions - Observational study
Other interventions: Observational study
No intervention, observational only
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Intervention code [1]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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intraoperative complications according to ClassIntra®
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Assessment method [1]
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All intraoperative complications are recorded and classified according to their severity
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Timepoint [1]
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during surgery (intraoperatively)
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Secondary outcome [1]
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in-hospital postoperative complications
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Assessment method [1]
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All postoperative complications observed during the hospital stay are recorded and classified according to their severity
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Timepoint [1]
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From after surgery up to hospital discharge, timeframe up to 30 days
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Secondary outcome [2]
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Duration of surgery
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Assessment method [2]
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Time from start to end of the surgical procedure
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Timepoint [2]
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From start to the end of the surgical procedure
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Secondary outcome [3]
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Complexity of main surgical procedure
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Assessment method [3]
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Complexity according to British United Provident Association (BUPA) classification
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Timepoint [3]
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Baseline
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Secondary outcome [4]
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in-hospital mortality
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Assessment method [4]
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Timepoint [4]
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From after surgery up to hospital discharge, timeframe up to 30 days
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Secondary outcome [5]
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30-day mortality
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Assessment method [5]
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Timepoint [5]
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30 days postoperatively
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Secondary outcome [6]
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Agreement in assessment of intraoperative complications between several raters using fictitious clinical case-scenarios using a questionnaire among physicians
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Assessment method [6]
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Timepoint [6]
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Baseline
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Eligibility
Key inclusion criteria
* All in-hospital patients (consecutive or random sample) undergoing surgery in the operating room with anaesthesia involvement
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Minimum age
No limit
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Maximum age
110
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Outpatients (patients undergoing one-day-surgery) (with and without anaesthesia-involvement)
* Procedures without anaesthesia-involvement (in- or out-patient)
* ASA risk classification (ASA) VI patients (brain-death organ-donor)
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
15/02/2017
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
31/08/2018
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Sample size
Target
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Accrual to date
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Final
2500
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Recruitment in Australia
Recruitment state(s)
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Recruitment hospital [1]
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Northern Sydney Colorectal Clinic - Sydney
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Recruitment postcode(s) [1]
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- Sydney
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Recruitment outside Australia
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United States of America
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State/province [1]
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North Carolina
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Austria
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State/province [2]
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Innsbruck
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Austria
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Wien
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Greece
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Thessaloniki
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Ireland
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Dublin
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Italy
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State/province [6]
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Naples
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Netherlands
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State/province [7]
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Nijmegen
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New Zealand
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State/province [8]
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Auckland
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Spain
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State/province [9]
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Barcelona
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Switzerland
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State/province [10]
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Basel Stadt
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Country [11]
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Switzerland
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State/province [11]
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Basel
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Switzerland
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State/province [12]
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Chur
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Country [13]
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Switzerland
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State/province [13]
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Lausanne
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Switzerland
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Solothurn
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Switzerland
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Zürich
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Turkey
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State/province [16]
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Ankara
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Country [17]
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United Kingdom
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State/province [17]
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London
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Funding & Sponsors
Primary sponsor type
Other
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Name
University Hospital, Basel, Switzerland
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
Whereas there are several validated systems for reporting postoperative complications, there are only a few and not prospectively validated systems for reporting intraoperative complications. The investigators developed a definition and CLASSification for Intraoperative Complications CLASSIC within a Delphi study involving international interdisciplinary experts. As both surgery and anaesthesia may be involved in complications in the perioperative period, all patient-related intraoperative complications occurring between skin incision and closure are considered in this reporting system. CLASSIC was updated to ClassIntra® v1·0, by encompassing five severity grades to align with the validated Clavien-Dindo Classification for grading postoperative complications. The aim of this international multicentre observational cohort study is to assess the validity and practicability of this newly derived and updated classification system ClassIntra® in patient undergoing an in-hospital surgical procedure. Providing an easy applicable and internationally validated classification system is a contribution to improve quality of health care and patient safety.
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Trial website
https://clinicaltrials.gov/study/NCT03009929
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Trial related presentations / publications
Gawria L, Rosenthal R, van Goor H, Dell-Kuster S; ClassIntra Study Group. Classification of intraoperative adverse events in visceral surgery. Surgery. 2022 Jun;171(6):1570-1579. doi: 10.1016/j.surg.2021.12.011. Epub 2022 Feb 15. Dell-Kuster S, Gomes NV, Gawria L, Aghlmandi S, Aduse-Poku M, Bissett I, Blanc C, Brandt C, Ten Broek RB, Bruppacher HR, Clancy C, Delrio P, Espin E, Galanos-Demiris K, Gecim IE, Ghaffari S, Gie O, Goebel B, Hahnloser D, Herbst F, Orestis I, Joller S, Kang S, Martin R, Mayr J, Meier S, Murugesan J, Nally D, Ozcelik M, Pace U, Passeri M, Rabanser S, Ranter B, Rega D, Ridgway PF, Rosman C, Schmid R, Schumacher P, Solis-Pena A, Villarino L, Vrochides D, Engel A, O'Grady G, Loveday B, Steiner LA, Van Goor H, Bucher HC, Clavien PA, Kirchhoff P, Rosenthal R. Prospective validation of classification of intraoperative adverse events (ClassIntra): international, multicentre cohort study. BMJ. 2020 Aug 25;370:m2917. doi: 10.1136/bmj.m2917.
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Public notes
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Contacts
Principal investigator
Name
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Salome Dell-Kuster, MD MSc
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Address
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University Hospital, Basel, Switzerland
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Fax
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Email
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Contact person for public queries
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT03009929
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