- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00180687
Clinical Trial of the Use of Intraperitoneal Local Anaesthetic
Prospective Double Blind Randomized Controlled Trial of the Use of Intraperitoneal Nebulised Local Anaesthetic
Study Overview
Status
Conditions
Detailed Description
Pain post laparoscopic procedures can be divided into access related, operation site and distension related. The access type can be attenuated by the use of sub dermal infiltration of local anaesthetic and rarely causes significant discomfort. It has been advocated that placement of a peritoneal gas drain significantly reduces postoperative pain particularly referred to the shoulder tip. Realistically, however, if attention is paid to expelling the residual gas at the end of the procedure this complication is rarely problematic. Operative site pain however is more difficult to manage. In limited gynaecological procedures it has been shown that local installation of local anaesthetic decreased the analgesic requirement of patients post operatively. These observations would not be as transferable to more extensive colorectal or solid organ surgery as the amount of local anaesthesia required would be toxic to the patient. Use of the nebuliser, however maybe able to alleviate pain by efficiently using the dosage required.
This is a prospective randomised double blind trial. Sixty patients will be allocated randomly between three groups, 20 patients in each group:
- Control group
- Nebulised intraperitoneal local anaesthetic (Bupivacaine 0.25%, 3mg/Kg)
- Nebulised intraperitoneal normal saline Ward staff will be blinded to which group the patients are in. All patients undergoing laparoscopic cholecystectomy who have given written, informed consent are eligible for inclusion. Patients with local anaesthetics allergy and patients whom pain evaluation is considered unreliable due to chronic opiate use or neurological diseases are excluded.
No pre-medication is to be given and a standardised anaesthetic technique is to be employed for all patients.
Standard 4 ports technique for laparoscopic cholecystectomy will be used with intraperitoneal pressure between 12-14 mmHg. This will be achieved using CO2 as the insufflation gas.
The local anaesthetic (approximately 10mls) will be delivered via a fine sterile catheter that will be inserted via the epigastric port under direct vision at the end of the procedure. Afterward the pneumoperitoneum will be deflated and the wound will be closed and subcutaneous local anaesthetic will be injected in and around the wounds.
Postoperatively, all the patients will have PCA as the main analgesia supported by NSAIDs unless contraindicated. Patients will eat and drink as desired and drips will be taken as soon as it is safe to do so.
Postoperative pain scoring will be stared in recovery and continue on the wards using the visual analogue scale.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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-
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London, United Kingdom, W2 1NY
- St. Mary's Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- All they patients undergoing laparoscopic cholecystectomy will be included.
Exclusion Criteria:
- Patients with local anaesthetic allergy, patients on chronic opiate medication or those with neurological diseases that make pain evaluation unreliable will be excluded.
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 |
---|---|
Sham Comparator: Control
No intraperitoneal therapeutics (No nebulised Bupivacaine)
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No Intraperitoneal Therapeutics given
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Placebo Comparator: IP Aerosolized Normal Saline
Intraperitoneal nebulised 10mls.
Normal Saline (No nebulised Bupivacaine)
|
Nebulised Normal Saline
Other Names:
|
Experimental: Nebulised Bupivacaine intraperitoneally
Intraperitoneal Nebulised 10mls.
Bupivacaione (Marcaine)
|
Nebulised Marcaine (Bupivacaine)
Other Names:
|
Active Comparator: Injected Bupivacaine intraperitoneally
Intraperitoeal Injected 10 mls.Bupivacaine (Marcaine) (No nebulised Bupivacaine)
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Injected Marcaine directly into the peritoneal cavity
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reduction in Postoperative Pain
Time Frame: 0 hours, 6 hours, 12 hours, 24 hours
|
Postoperative pain was measured using Pain scale 0-10 (0 = No Pain, 10 = Maximum pain).
A trained nursing staff will ask the patient about his / her pain and document that correctly in the chart.
The staff will also document if the patient requires any analgesia, the type and the dose.
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0 hours, 6 hours, 12 hours, 24 hours
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Vomiting / Nausea Episodes
Time Frame: 24 hours
|
Nausea and vomiting are known adverse effect of opioids usage.
By reducing the use of opioids we can reduce or abolish these side effect which will enhance early patient recovery and discharge and reduce hospital cost.
We will measure the number of episodes when the patient suffers from these side effect and correlate them with opioids use.
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24 hours
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Hours Needed for Safe Mobilization
Time Frame: 24 Hours
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Drowsiness and delayed mobilization are known adverse effect of opioids usage.
By reducing the use of opioids we can reduce or abolish these side effect which will enhance early patient recovery and discharge and reduce hospital cost.
We will measure how many hours will take the patient to mobilize freely and safely and correlate them with opioids use.
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24 Hours
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Postoperative Morphine Use
Time Frame: 24 Hoiurs
|
The reduction in cost comes from reducing the use of opioid which requires nursing supervision and also special pump to be delivered as in the cases of patient controlled analgesia.
With that reduction, there will be a reduction in opioid related adverse events that mandate medical or nursing attention and prolong hospitalization, these adverse events include nausea and vomiting, delay mobilization due to drowsiness and alter mental status caused by opioid usage.
For these reasons we are collecting data related to these adverse events
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24 Hoiurs
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Nawar A Alkhamesi, MD, PhD, Imperial College London
Publications and helpful links
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 (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Postoperative Complications
- Pain
- Neurologic Manifestations
- Pain, Postoperative
- Physiological Effects of Drugs
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Sensory System Agents
- Anesthetics
- Dermatologic Agents
- Anesthetics, Local
- Keratolytic Agents
- Bupivacaine
- Coal Tar
Other Study ID Numbers
- 02.CD/218E
- Dr. David Peck (Other Identifier: Imperial College London)
- Prof. Sir Ara Darzi (Other Identifier: Imperial College London)
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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