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Trial registered on ANZCTR
Registration number
ACTRN12620001055998p
Ethics application status
Submitted, not yet approved
Date submitted
19/08/2020
Date registered
16/10/2020
Date last updated
16/10/2020
Date data sharing statement initially provided
16/10/2020
Type of registration
Prospectively registered
Titles & IDs
Public title
Intraperitoneal instillation of Ropivacaine at gynaecological laparoscopy: a randomised control trial
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Scientific title
Effect of intraperitoneal instillation of Ropivacaine at gynaecological laparoscopy on post-operative pain scores: a randomised control trial.
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Secondary ID [1]
302083
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Nil
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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:
post operative pain
318691
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hysterectomy
318692
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endometriosis
318693
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Condition category
Condition code
Surgery
316703
316703
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0
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Other surgery
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Anaesthesiology
316704
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0
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Pain management
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
This is a randomised control trial with two arms, intervention and placebo. The intervention is instillation of a single dose of 2.5mg/kg of Ropivacaine into the pelvis at the completion of laparoscopic hysterectomy or three compartment endometriosis resection. The maximum dose administered to a patient will be 300mg and the fluid will be instilled into the pelvis via a laparoscopic port. The placebo arm will receive a matched volume per kg of normal saline into the pelvic. The intervention/placebo will be administered by the research team.
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Intervention code [1]
318381
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Treatment: Drugs
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Comparator / control treatment
The control group will receive a normal saline placebo instilled into the pelvis at the completion of surgery. The weight based volume of 0.5% Ropivacaine will be used to determine the volume of study drug or placebo to be instilled according to the patients blinded study allocation.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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VAS pain score.
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Assessment method [1]
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Timepoint [1]
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at 1, 4, 8 and 24 hours post operatively.
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Secondary outcome [1]
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Consumption of opioid analgesia which will be assessed via the return of patient information forms and assessment of data within the medical record.
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Assessment method [1]
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Timepoint [1]
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1, 4, 8, 24 and 72 hours post-operatively.
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Secondary outcome [2]
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Time to hospital discharge which will be determined from the time of surgery, to the time that the patient is discharged, as will be assessed from data linked to the medical record.
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Assessment method [2]
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Timepoint [2]
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The timepoint will be from the time of completion of surgery to the time in hours to discharge from that same admission from hospital.
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Eligibility
Key inclusion criteria
Age over 18.
Surgery for - laparoscopic hysterectomy or resection of endometriosis of sufficient volume to result in 3 x compartment resection.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Severe liver dysfunction
Severe kidney dysfunction
Allergy to Ropivacaine
Pre-existing pain syndrome with daily opioid use of > 3 months duration.
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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)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Permuted block randomisation
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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
96 patients required to show a 10% reduction in VAS score. Due to the inherent difficulties in diagnosing the extent of endometriosis pre surgery, we will recruit an additional 30% to account for loss to following and exclusions after commencing surgery.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
30/11/2020
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Actual
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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
126
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment hospital [1]
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The Townsville Hospital - Douglas
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Recruitment hospital [2]
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Mater Hospital Pimlico - Pimlico
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Recruitment postcode(s) [1]
31003
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4814 - Douglas
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Recruitment postcode(s) [2]
31004
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4810 - Pimlico
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Funding & Sponsors
Funding source category [1]
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Hospital
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Name [1]
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Townsville University Hospital Study, Education and Research Trust Account (SERTA)
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Address [1]
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Townsville University Hospital SERTA fund
100 Angus Smith Drive
Douglas, QLD, 4814
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Country [1]
306505
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Australia
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Primary sponsor type
Individual
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Name
Vanessa Lusink
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Address
Townsville University Hospital
100 Angus Smith Drive
Douglas, QLD, 4814
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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None
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Address [1]
307031
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Country [1]
307031
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Ethics approval
Ethics application status
Submitted, not yet approved
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Ethics committee name [1]
306707
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Townsville University Hospital Human Research Ethics Committee
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Ethics committee address [1]
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Townsville Institute for Health Research and Innovation (TIHRI) IMB 101, Level 2, Townsville University Hospital, 100 Angus Smith Drive, Douglas, QLD 4814
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Ethics committee country [1]
306707
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Australia
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Date submitted for ethics approval [1]
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27/07/2020
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Approval date [1]
306707
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Ethics approval number [1]
306707
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Summary
Brief summary
Pain after surgery can impact your recovery and there has been a lot of research into what we can do to improve your pain. After a laparoscopy for a hysterectomy or endometriosis, you would normally have regular paracetamol and an anti-inflammatory called diclofenac, and some opioid medication called oxycodone for when your pain is particularly bad. We are conducting a trial to determine whether placing some local anaesthetic in the pelvis at the end of your laparoscopic hysterectomy or excision of endometriosis can improve your pain in the first 24 hours after surgery, in addition to the standard medications that you would use for pain. Approximately 100 women will be involved in the study. You will be randomly allocated to either receiving the local anaesthetic, or receiving a placebo (something that looks exactly like the local anaesthetic but doesn’t have any medicine in it). Neither we, as your doctors, or you will know which allocation you receive, and we cannot decide which allocation you receive if you agree to take part in the study. After your surgery, we will ask you to tell us about your pain using what is called a ‘visual analogue scale’ at 1, 4, 8 and 24 hrs postoperative. You will need to fill in a paper questionnaire at home. We will also ask you to record how much pain relief you need during the first 8, 24 and 72 hrs. This form can either be emailed or posted back to us via the envelope provided. A member of the research team will call you at 72 hrs and 2 weeks postoperative to evaluate for any complications. We will be conducting the study at the Townsville University Hospital and the Mater Hospital in Pimlico.
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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 Vanessa Lusink
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Address
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Townsville University Hospital
100 Angus Smith Drive
Douglas, QLD, 4814
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Country
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Australia
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Phone
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+61 7 4433 1111
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Vanessa Lusink
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Address
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Townsville University Hospital
100 Angus Smith Drive
Douglas, QLD, 4814
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Country
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Australia
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Phone
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+61 7 4433 1111
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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Vanessa Lusink
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Address
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Townsville University Hospital
100 Angus Smith Drive
Douglas, QLD, 4814
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Country
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Australia
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Phone
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+61 7 4433 1111
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Fax
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Email
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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
This would contravene ethics approval.
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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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