- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05427266
Laparoscopic Transversus Abdominis Plane Block (LTAP) for Appendicectomy Versus Standard Port Site Treatment (TapBlock)
Laparoscopic Transversus Abdominis Plane Block (LTAP) (Tap Block) for Appendicectomy Versus Standard Port Site Treatment
This study aims to compare Laparoscopic assisted LTAP (Transversus Abdominis Plane) to standard port-site infiltration in terms of post-operative visual analogue scores (VAS) for pain at 3, 6, 12 and 24 hours following laparoscopic appendicectomy Tap Block is a standard conventional analgesia protocol for laparoscopic appendicitis used in Beaumont Hospital, and other hospitals throughout Ireland.
The medicinal product for both groups is the same - Bupivacaine. The mode of administration is what this study is reviewing: Control group (Standard port site infiltration) and Study Group - Laparoscopic Transversus Abdominis Plane Block
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Title: Randomised Controlled Trial to compare Laparoscopic Transversus Abdominis Plane Block (LTAP) for appendicectomy versus standard treatment Short title: (TAP Block Study) Laparoscopic Transversus Abdominis Plane Block for Appendicectomy - Single-Blinded Randomised controlled study
Objectives: Primary objectives:
To compare LTAP to standard port-site infiltration in terms of post-operative visual analogue scores (VAS) for pain at 3,6, 12 and 24 hours following laparoscopic appendicectomy
Secondary objectives:
Post-operative Opioid requirement Time to first mobilisation post-operatively Length of stay in hospital Quality of Life Questionnaire (at 1 week and 1 month post discharge) (EQ5DL)
Type of trial: Multi centre Single blinded randomised control trial. (Beaumont Hospital and 3 other Dublin Hospitals) Trial design and methods: Study design: randomised controlled Single blind study. Patients will be allocated to one of two parallel groups in a 1:1 fashion. Patients and data analysts will be blinded as to modalities and group allocations. Surgeons and anaesthetists will be made aware of group allocations post randomisation.
Study groups and techniques of anaesthesia:
Control Group: standard port site infiltration using 0.25% plain bupivacaine. The dose is calculated to 2.5mg/kg per body weight. After the appendicectomy is done, after removal of ports and deflating the abdomen, the total calculated dose volume will be infiltrated into the subcutaneous plane at the umbilicus and the other 2 ports sites .
Study group: LTAP block in four points: above and below the umbilicus in both right and left sides; dose calculation 2.5mg per body weight.
After the appendicectomy is done and just before withdrawing port and deflating the abdomen, the operating surgeon will advance a needle into the abdominal wall to the level of the preperitoneal space. Once the needle tip is seen, it is withdrawn slowly and gently about 0.5cm above/superficial to the transversus abdominis (TA) muscle. The surgeon then infiltrates the local anaesthetic into the plane, and the right plane is confirmed by visualising a uniform protrusion downwards of the TA muscle fibres (Doyle's bulge). Seeing a preperitoneal or muscle blister laparoscopically indicates that the infiltration is deeper to this plane, and the needle should be withdrawn more superficially.
Trial duration per participant: 1 month (follow up calls 1 week and 1 month post discharge) Estimated total trial duration: It is estimated that the trial recruitment will take 1 year (based on appendicitis admission rates in both Beaumont Hospital and 3 other Dublin Hospitals). The trial will end once the final patient's follow-up is completed and assessed.
Planned trial sites: Multi-site - sites Beaumont Hospital and 3 other Dublin hospitals Total number of participants planned: 172 86 Control Group 86 Study Group - TAP Block
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Sorcha O'Grady
- Phone Number: 0873156654
- Email: sorchaogrady@rcsi.ie
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Provide signed and dated informed consent form
- Willing to comply with all study procedures and be available for follow up telephone follow up
- Male or female, aged over 18
- Diagnosed either clinically or radiologically (CT/US/MRI) with appendicitis
- Uncomplicated or complicated appendicitis
- Undergoing laparoscopic appendicitis surgery only
- Must be fluent in English in order to complete telephone follow up questionnaire
- Fulfillment of each criteria must be clearly evidenced (in lab reports or correspondence) and/or documented in the medical records.
Exclusion Criteria:
- Male or female under the age or 18
- Laparoscopic converted to open appendicectomy (during surgical procedure)
- Open appendicectomy (planned)
- Pregnancy.
- Females must not be breastfeeding
- Known allergic reactions to components of the study product(s) )
- Not fluent in English - which would prevent participants to complete follow up telephone questionnaire
- Malignant appendicitis
- Spinal Anaesthesia, Epidural analgesia catheter or injections, Post-operative requirements for patient controlled analgesia (PCA)
- Right hemicolectomy or any concomitant or simultaneous intervention
- Allergy or hypersensitivity to any of the components of Bupivacaine
- Presence of any other illness or condition that renders the patient unsuitable for trial participation in the opinion of the investigator
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Study Group - Tap Block
Study Group: Study group: Laparoscopic Transversus Abdominis Plane in four points: above and below the umbilicus in both right and left sides; dose calculation 2.5mg per body weight. After the appendicectomy is done and just before withdrawing port and deflating the abdomen, the operating surgeon will advance a needle into the abdominal wall to the level of the preperitoneal space. Once the needle tip is seen, it is withdrawn slowly and gently about 0.5cm above/superficial to the transversus abdominis (TA) muscle. The surgeon then infiltrates the local anaesthetic into the plane, and the right plane is confirmed by visualising a uniform protrusion downwards of the TA muscle fibres (Doyle's bulge). Seeing a preperitoneal or muscle blister laparoscopically indicates that the infiltration is deeper to this plane, and the needle should be withdrawn more superficially. |
The medicinal product for both groups is the same - Bupivacaine.
The mode of administration is what this study is reviewing: Control group (Standard port site infiltration) and Study Group - Laparoscopic Transversus Abdominis Plane Block (LTap Block)
|
Other: Control Group - Standard port site infiltration
Patients will be randomised after diagnosis either clinically or radiologically of appendicitis (both complicated and uncomplicated) Control Group _ standard port site infiltration using 0.25% plain bupivacaine.
The dose is calculated to 2.5mg/per kg body weight.
After the appendicectomy is done, after removal of ports and deflating the abdomen, the total calculated dose volume will be infiltrated into the subcutaneous plane at the umbilicus and the other 2 ports sites
|
The medicinal product for both groups is the same - Bupivacaine.
The mode of administration is what this study is reviewing: Control group (Standard port site infiltration) and Study Group - Laparoscopic Transversus Abdominis Plane Block (LTap Block)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assessing pain post laparoscopic appendicectomy using Visual analogue score (VAS score)
Time Frame: Assessing change in pain score post extubation at 3 hours, 6 hours, 12 hours and 24 hours.
|
Assessing any change in pain score from a scale of 1 to 10 (1 being the worst pain and 10 no pain) using VAS score template
|
Assessing change in pain score post extubation at 3 hours, 6 hours, 12 hours and 24 hours.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Post-operative Opioid requirement
Time Frame: Assess opioid requirement post operatively in the first 24 hours
|
Review of opioid requirement (dosage and time delivered) post operatively in both arms to assess if there is a difference in requirement
|
Assess opioid requirement post operatively in the first 24 hours
|
Time to first mobilisation post-operatively
Time Frame: Assess time to mobility in the first 24 hours post operatively
|
Assess any difference in time to mobilization post operatively in both arms
|
Assess time to mobility in the first 24 hours post operatively
|
Length of stay in hospital
Time Frame: Assess length of stay from admission to discharge
|
Assess if there are any difference in hospital stay in both arms
|
Assess length of stay from admission to discharge
|
Quality of Life Questionnaire (at 1 week and 1 month post discharge) (EQ5DL)
Time Frame: 1 week (up to 7 days) and 1 month up to 30 days post discharge from hospital
|
Phone follow up with EQ5DL questionnaire by research nurse to assess quality of life and overall satisfaction in both arms.
The EQ-5DL The EuroQol 5 Dimension 5 Level (EQ-5D-5L) is a self-report survey that measures quality of life across 5 domains: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.
Each dimension is scored on a 5-level severity ranking that ranges from "no problems" through "extreme problems.
|
1 week (up to 7 days) and 1 month up to 30 days post discharge from hospital
|
Collaborators and Investigators
Investigators
- Principal Investigator: Arnold Hill, Royal College of Surgeons in Ireland
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- Digestive System Diseases
- Infections
- Gastrointestinal Diseases
- Gastroenteritis
- Intestinal Diseases
- Cecal Diseases
- Intraabdominal Infections
- Appendicitis
- Physiological Effects of Drugs
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Sensory System Agents
- Anesthetics
- Anesthetics, Local
- Bupivacaine
Other Study ID Numbers
- 22/31
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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