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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02785276
Registration number
NCT02785276
Ethics application status
Date submitted
23/05/2016
Date registered
27/05/2016
Titles & IDs
Public title
Improving Pain Relief Following Laparoscopic Ventral Hernia Repair
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Scientific title
Intra-abdominal Infusions of Ropivacaine Following Laparoscopic Ventral Hernia Repair: a Randomised Double-blind Controlled Trial.
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Secondary ID [1]
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COLVHR
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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:
Pain, Postoperative
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Anesthesia, Local
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Hernia, Ventral
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Laparoscopy
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Analgesics, Opioid
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Complications
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Condition category
Condition code
Oral and Gastrointestinal
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - AutoFuser Pain Pump
Treatment: Drugs - Ropivacaine
Other interventions - Normal Saline (0.9%)
Experimental: Ropivacaine infusion - Following the insertion of the 2mm fenestrated catheter, the wound catheter will be connected to the 270mL AutoFuser Pain Pump. The intraperitoneal infusion with ropivacaine (0.2%) at 4 mL/hour will start immediately and continue for 68 hours post-operatively uninterrupted.
Placebo comparator: Placebo infusion - In the same manner as described for the ropivacaine infusion arm, 0.9% Normal Saline will be administered over 68 hours.
Treatment: Devices: AutoFuser Pain Pump
Closed loop local anaesthetic infusion system
Treatment: Drugs: Ropivacaine
Commonly used local anaesthetic drug
Other interventions: Normal Saline (0.9%)
Normal saline is a sterile, non-pyrogenic solution for fluid and electrolyte replenishment for intravenous administration. This will be the solution used for the intraperitoneal infusion in the placebo/control group.
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Intervention code [1]
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Treatment: Devices
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Intervention code [2]
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Treatment: Drugs
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Intervention code [3]
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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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Morphine equivalent use
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Assessment method [1]
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Total opiate analgesia (all routes) used from immediately post-operative (0h) during the post-operative recovery period up to 24 hours will be recorded and converted into morphine equivalents.
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Timepoint [1]
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Total opiate consumption in the first 24 hours
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Secondary outcome [1]
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Post-operative pain scores
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Assessment method [1]
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Abdominal pain at rest, on moving (recumbent to the upright position), and on coughing will be assessed using 3 separate 10 point Visual Analogue Scales (VAS) preoperatively (baseline), at 2, 4, 6, 8, 12, 24, 48 and 72 hours as well as on day 7 postoperatively
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Timepoint [1]
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Until day 7 post-operatively
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Eligibility
Key inclusion criteria
* All consecutive consenting adult patients (=16 years) undergoing elective LVHR (umbilical / incisional / spigelian) will be screened for inclusion
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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
* acute presentation, open repair of ventral hernia, hepatic dysfunction ALT/AST = 2 x ULN, previous adverse reaction/allergy to ropivacaine, opiate use greater than 6 months, patients with a diagnosis of Chronic Pain Syndrome (CPS), patients under 16 years of age, patient refusal and those without the ability to consent
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Study design
Purpose of the study
Other
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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
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
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Withdrawn
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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
1/08/2016
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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
1/08/2018
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Actual
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Sample size
Target
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Auckland
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Funding & Sponsors
Primary sponsor type
Other
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Name
University of Auckland, New Zealand
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
Aim The general aim of this study is to improve post-operative pain and reduce morphine consumption following laparoscopic ventral hernia repair (LVHR). We specifically aim to conduct a randomized, double blinded, controlled trial to investigate the effect of intra-peritoneal local anaesthesia infusions on post-operative morphine consumption and. Methods: Patients will be randomised by computer generated random numbers (random permutation) and opaque envelope methods. At closure, one small 2mm catheter belonging to the AutoFuser pain pump system will be placed in the peritoneal cavity between the onlay mesh and parietal peritoneum. In the treatment arm patients will receive 275mL of 0.2% ropivacaine at 4mL/h. In the placebo arm, 275mL of 0.9% normal saline will be used in a similar fashion. The infusions will run for 68 hours total. All members involved in patient care (with the exception of one independant research fellow) will be blinded to the above. After 68 hours the pump will be stopped and the catheter will be removed. Assessment of post-operative pain will be performed by visual analogue scale, and total opiate consumption will be collected and converted into morphine equivalents. Health significance: Local anaesthesia has become an important addition to multimodal regimens of analgesia following surgery. Recent studies have shown that local anaesthetic (LA) wound infiltration has improved post-operative pain when compared with standard opioid regimens for pain relief. Only one previous study looked at bupivacaine infusions into the hernia sac for three days following LVHR. This study found no improvement in post-operative pain or morphine consumption. We aim to demonstrate improved pain and reduced morphine consumption using an alternative catheter insertion technique and ropivacaine as the desired LA agent.
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Trial website
https://clinicaltrials.gov/study/NCT02785276
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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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Andrew G Hill, MD, EdD, FACS, FRACS
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Address
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The University of Auckland
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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
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT02785276