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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00226837
Registration number
NCT00226837
Ethics application status
Date submitted
26/09/2005
Date registered
27/09/2005
Date last updated
5/02/2009
Titles & IDs
Public title
Quantifying Nitrous Oxide Effect on Depth of Anaesthesia Using Theoretically Based Time Series Modelling
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Scientific title
Quantifying Nitrous Oxide Effect on Depth of Anaesthesia Using Theoretically Based Time Series Modelling
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Secondary ID [1]
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2004.109
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Depth of Anaesthesia
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Nitrous oxide
Placebo comparator: 1 - 0% nitrous oxide
Active comparator: 2 - 33% nitrous oxide
Active comparator: 3 - 66% nitrous oxide
Treatment: Drugs: Nitrous oxide
nitrous oxide by inhalation during induction
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Intervention code [1]
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Treatment: Drugs
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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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EEG index value during three concentrations of nitrous oxide
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Assessment method [1]
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Timepoint [1]
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During induction of anaesthesia
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Eligibility
Key inclusion criteria
* Aged 18 years or older
* Presenting for surgery under general anaesthesia
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Minimum age
18
Years
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Maximum age
No limit
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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
* Poor English language comprehension
* Risk of reflux
* Epilepsy or other EEG abnormality
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 4
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Type of endpoint/s
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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
1/08/2004
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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
1/08/2005
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Sample size
Target
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Accrual to date
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Final
60
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Swinburne University - Hawthorn
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Recruitment hospital [2]
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Royal Melbourne Hospital - Parkville
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Recruitment postcode(s) [1]
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3123 - Hawthorn
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Recruitment postcode(s) [2]
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3050 - Parkville
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Funding & Sponsors
Primary sponsor type
Other
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Name
Melbourne Health
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Australian and New Zealand College of Anaesthetists
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
Our hypothesis is that a new method of depth of anaesthesia monitoring, using theoretically based time series modelling will result in improved ability to determine nitrous oxide anaesthetic effect
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Trial website
https://clinicaltrials.gov/study/NCT00226837
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Kate Leslie, MD
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Address
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Melbourne Health
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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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/NCT00226837
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