- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02449720
Intraperitoneal Local Anaesthetic in Bowel Surgery
The Effect of Intraperitoneal Local Anaesthetic on Functional Recovery Following Bowel Resection: A Prospective Randomised Blinded Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The purpose of this randomised controlled blinded trial is to determine the effectiveness in every day practice of intraperitoneal local anaesthetic (IPLA) infusion on postoperative recovery following bowel resection in an optimised Enhanced Recovery After Surgery (ERAS) setting.
The investigators hypothesise that, in an optimised ERAS setting, intraperitoneal instillation and infusion of the local anaesthetic ropivacaine to the site of maximal visceral dissection for 48 hrs will result in an improved functional postoperative recovery following both open and laparoscopic bowel surgery.
This research will provide evidence to allow recommendation on the routine inclusion of IPLA into the multimodal analgesia component of ERAS programs for bowel surgery.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
South Australia
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Adelaide, South Australia, Australia, 4000
- Royal Adelaide Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- The study population will include adults from the Central Adelaide Local Health network catchment area, South Australia.
- Patients known to the Colorectal Surgical Unit who have provided informed consent to undergo elective large bowel resection for any indication or undergoing reversal of Hartmann's Procedure will be invited to participate in this study.
- Potential participants will then be provided with an Information Sheet and encouraged to take the time to read it, discuss it with anyone they like, and ask any questions they have prior to deciding if they wish to participate. They will be reassured that participation is voluntary and there is no disadvantage to them if they decide not to participate.
- After obtaining informed consent, eligibility for inclusion will be determined based on health questions and blood results.
Exclusion Criteria:
- Under 18 years of age or over age 90.
- Allergy to local anaesthetic.
- Underlying medical conditions requiring deviation from the proposed anaesthetic protocol i.e., use of spinal or epidural anaesthesia rather than general anaesthesia.
- American Society of Anesthesiologists (ASA) >=4 due to the higher likelihood or morbidity and mortality, which may confound resulting data.
- Severe underlying cardiovascular disease including conduction abnormalities, ischaemic heart disease or congestive heart failure, or use of amiodarone as a regular medication due to a higher risk or cardiac arrest under general anaesthetic or during use of local anaesthesia.
- Chronic Renal Failure (CRF) Stage 3 (GFR > 60 based on two samples a minimum 90d apart).
- The pharmacokinetics of ropivacaine is not affected by renal failure although the renal clearance of its main metabolite (S)-2',6'-pipecoloxylidide (PPX) correlates with creatinine clearance, non-renal clearance compensates for reduced renal clearance in most patients.
- GFR will be calculated using the Cockcroft Gault equation for creatinine clearance (CrCl) : CrCl ml/min = [140-age(years)] x bodyweight (kg) / R x serum creatinine (micromol/L)
- R = 0.815 for males, 0.85 for females
- Hepatic dysfunction of Child-Pugh class B or C. Patients with end-stage liver disease have about a 60% lower mean ropivacaine clearance than healthy subjects and are thus expected to have over two-fold higher steady-state ropivacaine plasma concentrations during a continuous ropivacaine infusion.
- Concurrent or recent (within 3 months) use of fluvoxamine, enoxacin, ketoconazole, or cimetidine. These are potent CYP (cytochrome P450) 1A2, 2E1, or 3A4 inhibitors that have been shown to reduce ropivacaine clearance in vivo or in in vitro models. Potential participants concurrently using other potent CYP1A2, 2E1, or 3A4 inhibitors, where it is unclear if there is an effect on ropivacaine clearance, will be included or excluded from the study at the discretion of their study specialist anaesthetist.
- Abdominal-perineal resections (APR) due to the greater area of dissection and skin incision which will increase the level of baseline somatic pain felt by a patient.
- Requirement for postoperative drain in-situ, as this will drain the experimental solution out of the abdomen.
- Preoperative systemic steroid dependence due to derangement of the inflammatory response.
- Preoperative chronic pain illness including fibromyalgia, chronic regional pain syndrome, chronic fatigue syndrome, non specific chronic pain requiring daily opiate use, and history of alcohol or drug dependence due to the impact these have on subjective interpretation of pain and tolerance to opioid requiring significantly higher dosing regimens.
- Inability to consent or complete data scores in the study questionnaires due to cognitive impairment and/or language barrier.
- Pregnancy or breastfeeding.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Laparoscopic Bowel Surgery: IPLA
Participants will undergo laparoscopic bowel surgery.
Both on entry into the abdominal cavity and prior to dissection and post-operation but prior to closure of abdominal wall a 50 ml loading dose of IPLA (0.2% Ropivacaine) solution will be distributed throughout the abdomen.
Following these bolus doses an ON-Q Painbuster continuous infusion pump will be placed in close proximity to the operative region of greatest dissection and a 10ml/hr intraperitoneal infusion of IPLA (0.2% Ropivacaine, 20mg/hr) solution commenced immediately post-operation and continued for 48 hrs without disruption.
|
Intraperitoneal instillation and infusion
Other Names:
|
Placebo Comparator: Laparoscopic Bowel Surgery: Control
Participants will undergo laparoscopic bowel surgery.
Both on entry into the abdominal cavity and prior to dissection and post-operation but prior to closure of abdominal wall a 50 ml loading dose of Control (0.9% Saline, 20mg/hr) solution will be distributed throughout the abdomen.
Following these bolus doses an ON-Q Painbuster continuous infusion pump will be placed in close proximity to the operative region of greatest dissection and a 10ml/hr intraperitoneal infusion of Control (0.9% Saline, 20mg/hr) solution commenced immediately post-operation and continued for 48 hrs without disruption.
|
Intraperitoneal instillation and infusion
Other Names:
|
Active Comparator: Open Bowel Surgery: IPLA
Participants will undergo open bowel surgery.
Both on entry into the abdominal cavity and prior to dissection and post-operation but prior to closure of abdominal wall a 50 ml loading dose of IPLA (0.2% Ropivacaine) solution will be distributed throughout the abdomen.
Following these bolus doses an ON-Q Painbuster continuous infusion pump will be placed in close proximity to the operative region of greatest dissection and a 10ml/hr intraperitoneal infusion of IPLA (0.2% Ropivacaine, 20mg/hr) solution commenced immediately post-operation and continued for 48 hrs without disruption.
|
Intraperitoneal instillation and infusion
Other Names:
|
Placebo Comparator: Open Bowel Surgery: Control
Participants will undergo open bowel surgery.
Both on entry into the abdominal cavity and prior to dissection and post-operation but prior to closure of abdominal wall a 50 ml loading dose of Control (0.9% Saline, 20mg/hr) solution will be distributed throughout the abdomen.
Following these bolus doses an ON-Q Painbuster continuous infusion pump will be placed in close proximity to the operative region of greatest dissection and a 10ml/hr intraperitoneal infusion of Control (0.9% Saline, 20mg/hr) solution commenced immediately post-operation and continued for 48 hrs without disruption.
|
Intraperitoneal instillation and infusion
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Baseline of the Surgical Recovery Scale to Day 45
Time Frame: Baseline (preoperative), and postoperative days 1, 3, 7, 30 and 45
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The postoperative domains of recovery of fatigue, and the post-discharge return to normal functioning in both cognition (concentration) and activities of daily living will be assessed using the Surgical Recovery Scale, previously validated for use following bowel surgery.
|
Baseline (preoperative), and postoperative days 1, 3, 7, 30 and 45
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Pain Over Time to Day 7 (Subjective)
Time Frame: At postoperative hours 3, 6, 12, 24, 48, and 72, and at day 7
|
Postoperative pain at rest and with movement (defined as coughing) will be evaluated using a 100mm Visual Analogue Scale with the end-points labelled "no pain" and "the worst possible pain" for each of: I. somatic pain (incisional pain in the abdominal wall that the patient can touch) II.
visceral pain (deep, dull, inside the abdomen) III.
shoulder tip pain
|
At postoperative hours 3, 6, 12, 24, 48, and 72, and at day 7
|
Change in Pain Over Time to day 3 (Objective)
Time Frame: Postoperative day 1, 2, and 3
|
Total opioid analgesia use during the postoperative day 1, 2, and 3 prior to discharge will be recorded and quantified using the Mean Equivalent Daily Dose (MEDD) method. Initially this will be parenteral fentanyl consumption, recorded daily in the patient controlled analgesia (PCA) device until removal of PCA. Then this will be prn tramadol, or other opioid as charted, until discharge. Time to first PCA button press, and the number of PCA button presses will also be recorded as sometimes patients would like more analgesia than the PCA is able to administer. |
Postoperative day 1, 2, and 3
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Recovery of Normal Bowel Function
Time Frame: Inpatient postoperative period (variable), and expected duration of 3-7 days.
|
Time to tolerating oral diet and to first postoperative flatus, and bowel motion will be recorded.
Post-operative antiemetic use will be recorded, as will number of episodes of vomiting.
The length of time requiring postoperative intravenous fluid will be recorded.
The requirement for insertion of naso-gastric tube will be recorded.
|
Inpatient postoperative period (variable), and expected duration of 3-7 days.
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Time to Readiness for Discharge
Time Frame: up to 30 days
|
The time to readiness for discharge (TRD) is a validated measurement of short-term recovery after colorectal surgery. TRD and actual length of stay (LOS) will be recorded. Discharge criteria will be defined as
Total hospital stay will be recorded as LOS + readmission LOS. |
up to 30 days
|
Operative Complications
Time Frame: 30 days post operation
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All complications that occur within a 30d postoperative period will be recorded.
Complications will be recorded and graded using the Clavien-Dindo classification system.
|
30 days post operation
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jaime A Duffield, BMBS PhD, Royal Adelaide Hospital, Colorectal Surgical Unit Research Registrar
Publications and helpful links
General Publications
- Paddison JS, Sammour T, Kahokehr A, Zargar-Shoshtari K, Hill AG. Development and validation of the Surgical Recovery Scale (SRS). J Surg Res. 2011 May 15;167(2):e85-91. doi: 10.1016/j.jss.2010.12.043. Epub 2011 Jan 31.
- Kahokehr A, Sammour T, Zargar Shoshtari K, Taylor M, Hill AG. Intraperitoneal local anesthetic improves recovery after colon resection: a double-blinded randomized controlled trial. Ann Surg. 2011 Jul;254(1):28-38. doi: 10.1097/SLA.0b013e318221f0cf.
- Duffield JA, Thomas ML, Moore JW, Hunter RA, Wood C, Gentili S, Lewis M. Intraperitoneal Local Anesthetic Instillation and Postoperative Infusion Improves Functional Recovery Following Colectomy: A Randomized Controlled Trial. Dis Colon Rectum. 2018 Oct;61(10):1205-1216. doi: 10.1097/DCR.0000000000001177.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 150219
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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