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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT06058715
Other study ID # TAP1-LAP2
Secondary ID
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date September 15, 2023
Est. completion date October 2024

Study information

Verified date September 2023
Source Ministry of Scientific Research, Tunisia
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this clinical trial is to compare TAP block to conventional systemic analgesia for postoperative pain management in patients undergoing elective laparoscopic cholecystectomy. As the adverse effects of pain management is related to size of opioid dose use, opioid consumption is chosen as the primary outcome and a decrease of at least 20% in the TAP block compared with the conventional systemic analgesia is considered to be clinically significant. Written informed consent has to obtained from all study patients. This trial is a prospective parallel group randomized superiority trial comparing TAP block to classic systemic analgesia in patients undergoing elective laparoscopic surgery in the department of surgery, Mahmoud El Matri Hospital, Ariana, with a 1:1 allocation ratio.


Description:

Laparoscopic cholecystectomy constitutes a routinely performed procedure world-wide. Analgesia accounts for one of the major keys for success especially in enhanced recovery after surgery pathway and ambulatory surgery. Hence, controlling opioid consumption used in conventional systemic analgesia is mandatory while reliving pain. The TAP block is integrated within a multimodal analgesia. It corresponds to a locoregional analgesia. The goal of this clinical trial is to compare TAP block to conventional systemic analgesia for postoperative pain management in patients undergoing elective laparoscopic cholecystectomy. As the adverse effects of pain management is related to size of opioid dose use, opioid consumption is chosen as the primary outcome and a decrease of at least 20% in the TAP block compared with the conventional systemic analgesia is considered to be clinically significant. Written informed consent has to obtained from all study patients. This trial is a prospective parallel group randomized superiority trial comparing TAP block to classic systemic analgesia in patients undergoing elective laparoscopic surgery in the department of surgery, Mahmoud El Matri Hospital, Ariana, with a 1:1 allocation ratio.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 380
Est. completion date October 2024
Est. primary completion date October 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: All patients scheduled for elective laparoscopic cholecystectomy at the department of surgery, Mahmoud El Matri Hospital, Ariana Exclusion Criteria: - Severe renal insufficiency (GFR < 30 ml/min) - Severe hepatic insufficiency (TT = 50%) - Severe COPD (FEV1 > 30%) - Metastatic malignancy - Hematologic disease or a congenital clotting disorder - Preoperative opioid use - Age under 18 years - Pregnancy or breast-feeding - Hyper-reactivity toward ropivacaine - Estimated risk for conversion to open surgery > 50%

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Transverse Abdominal Plan block (TAP block)
Bilateral TAP block is administered intraoperatively at laparoscopy, directly after insufflation and insertion of the first trocar and camera. The ultrasound probe is placed longitudinally on the midaxillary line near umbilicus, and the transversus abdominis and internal oblique muscles are scanned and observed. The needle (22-gauge 90 mm disposable spinal needle) is inserted in plane and after placing the needle-tip into the fascia between transversus abdominis and internal oblique muscles, 20 ml of ropivacaine 0.25% is injected bilaterally. It is all done by one Anesthetist which is expert in that area and is not in charge of collecting the data.

Locations

Country Name City State
Tunisia Department of surgery, Mahmoud El Matri hospital, Ariana, Tunisia Ariana

Sponsors (1)

Lead Sponsor Collaborator
Ministry of Scientific Research, Tunisia

Country where clinical trial is conducted

Tunisia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Opioid consumption during the first 48 h postoperatively. Opioids are given only on request based on pain numerical rating scale (pain NRS) varying from 0 to10. For pain NRS > 3 at rest or for pain NRS > 5 on exercise, oxycodone is administrated intravenously at the recovery room at the dose of 0.05 mg/kg. Then, it is used intramuscularly at the dose of 0.1 mg/kg up to 24 hours after surgery and orally at the dose of 0.15 mg/kg between 24 and 48 hours after surgery.
At 2 to 4 weeks postoperatively, all patients are contacted either by phone or at the outpatient clinic during a follow-up visit and asked to complete a form with questions evaluating pain sensations, pain intensity, need for pain medication, performance of daily activities, and any limitations of these due to postoperative abdominal pain.
Every six hours
Secondary Pain intensity on a numerical rating scale (pain NRS, 0-10) pain intensity is measured 30 min after arrival and then every hour until the patient is discharged to the ward. In the ward, the pain NRS score is measured for each consecutive 6-h block. Means of the first and second 6-h blocks and third and fourth blocks are calculated and used for further analysis. Additionally, the maximal daily pain NRS scores are collected. At the time of discharge, patients evaluate their satisfaction with pain management as a whole (scale 0-3: 0 poor; 3 excellent). Every six hours
Secondary Postoperative evaluation at 4 weeks At 4 weeks postoperatively, all patients are contacted either by phone and asked to complete a form with questions evaluating pain sensations, pain intensity, need for pain medication, performance of daily activities, and any limitations of these due to postoperative abdominal pain. At 4 weeks after surgery
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