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Trial registered on ANZCTR
Registration number
ACTRN12614001066673
Ethics application status
Approved
Date submitted
21/09/2014
Date registered
3/10/2014
Date last updated
30/06/2021
Date data sharing statement initially provided
11/02/2020
Type of registration
Retrospectively registered
Titles & IDs
Public title
Effectiveness of the intercostobrachial nerve block to reduce upper limb tourniquet pain in patients undergoing forearm surgery
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Scientific title
Effectiveness of the intercostobrachial nerve block compared to a placebo to reduce the upper limb tourniquet pain in patients undergoing forearm surgery
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Secondary ID [1]
285378
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None
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Universal Trial Number (UTN)
U1111-1162-0179
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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:
Tourniquet Pain during forearm surgery
293109
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Condition category
Condition code
Anaesthesiology
293382
293382
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0
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Anaesthetics
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Intercostobrachial nerve block will be performed with 5 ml solution (study drug which is either 1% lignocaine or saline as placebo). At 5 minutes after the intercostobrachial nerve block with the study drug, the sensation on the medial site of the forearm will be checked with ice. Then,axillary brachial plexus block will be performed with 20 ml of local anaesthetics (10 ml of 2% lignocaine and 10 ml of 0.75% ropivacaine).
A tourniquet will be inflated just before starting the surgery.
The pain score will be assessed every 5 minutes after the tourniquet is inflated.
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Intervention code [1]
290291
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Treatment: Drugs
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Comparator / control treatment
Participants in the control group undergo intercostobrachial nerve block with placebo (normal saline) as well as axillary brachial plexus block with 10 ml of 2% lignocaine and 10 ml of 0.75% ropivacaine.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Effectiveness of intercostobrachial nerve block will be assessed with 100mm visual analogue scale.
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Assessment method [1]
293211
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Timepoint [1]
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Timepoints at which the corresponding primary outcome (pain relief from tourniquet pain) is every 5 minutes at and from the point of a tourniquet being inflated until the tourniquet being deflated.
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Secondary outcome [1]
310600
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None
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Assessment method [1]
310600
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Timepoint [1]
310600
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None
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Eligibility
Key inclusion criteria
Forearm operation
Suitable for axillary brachial plexus nerve block
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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
Age less than 18
Weight less than 50 kg
Unable to give informed consent themselves
Intravenous drug users
Chronic pain patients
Those who are contraindicated to the nerve block
Expected tourniquet inflating time is less than 45 minutes
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Study design
Purpose of the study
Treatment
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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)
Sealed opaque envelopes
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation using a randomisation table created by computer software (Research Randomizer).
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
10/07/2014
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Actual
10/07/2014
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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
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Sample size
Target
20
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Accrual to date
5
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Final
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Recruitment in Australia
Recruitment state(s)
WA
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Recruitment hospital [1]
3007
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Royal Perth Hospital - Perth
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Recruitment postcode(s) [1]
8719
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6000 - Perth
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Funding & Sponsors
Funding source category [1]
289988
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Hospital
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Name [1]
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Department of anaesthesia and pain medicine at Royal Perth Hospital
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Address [1]
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197 Wellington Street, Perth, WA 6009
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Country [1]
289988
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Australia
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Primary sponsor type
Hospital
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Name
Department of Anaesthesia and Pain Medicine at Royal Perth Hospital
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Address
197 Wellington Street, Perth, WA 6009
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Country
Australia
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Secondary sponsor category [1]
288673
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None
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Name [1]
288673
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Address [1]
288673
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Country [1]
288673
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
291696
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Royal Perth Hospital Ethics Committee
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Ethics committee address [1]
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197 Wellington Street, Perth, WA 6000
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Ethics committee country [1]
291696
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Australia
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Date submitted for ethics approval [1]
291696
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09/12/2013
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Approval date [1]
291696
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29/04/2014
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Ethics approval number [1]
291696
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REG13-176
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Summary
Brief summary
Pneumatic tourniquet has been used in hands and forearm surgery to reduce blood loss. When the tourniquet is used for a longer period under general anaesthesia, rapid heart rate and high blood pressure can be observed. This is often referred to as ‘tourniquet pain’. In awake patients, tourniquet pain is experienced as a vague, dull aching pain in the affected limb associated with an increased blood pressure. Intercostobrachial nerve supplies sensation to the skin of the armpit and inner side of the upper arm. The nerve lies just below the skin and can be easily blocked to help with upper arm tourniquet pain. The purpose of this study is to determine the efficacy of intercostobrachial nerve block which could reduce pain from tourniquet on the upper arm. Patients who suit the participation in the study will be randomised to either group (intercostobrachial nerve block with lignocaine or saline). The pain score will be assessed every 5 minutes after the touniquet is inflated.
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Trial website
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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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Dr Ganeshanathan Vyhunthan
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Address
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Royal Perth Hospital
Department of anaesthesia and pain medicine
197 Wellington Street, Perth, WA 6000
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Country
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Australia
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Phone
51590
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+61892241036
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Fax
51590
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Email
51590
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[email protected]
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Contact person for public queries
Name
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Frank van Bockxmeer
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Address
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Royal Perth Hospital
197 Wellington Street, Perth, WA 6000
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Country
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Australia
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Phone
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+61892241036
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Fax
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Email
51591
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[email protected]
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Contact person for scientific queries
Name
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Krishna Boddu
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Address
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Royal Perth Hospital
Department of anaesthesia and pain medicine
197 Wellington Street, Perth, WA 6000
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Country
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Australia
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Phone
51592
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+61892241036
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Fax
51592
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Email
51592
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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