- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04037449
Transversus Abdominis Plane Block in the Analgesia of Acute Pancreatitis (TAPA)
Prospective Randomized Study to Measure the Effect of Bilateral Transversus Abdominis Plane (TAP) Block in the Analgesic Control of Patients With Acute Pancreatitis (AP) and Uncontrolled Pain
Background Severe abdominal pain is a hallmark of acute pancreatitis (AP). A control pain is often difficult. Transversus Abdominis Plane (TAP) block has been used in pain control in patients with exacerbation of chronic pancreatitis.
Objectives To evaluate the effect of Bilateral Blockade of the Abdominal Transverse Muscle Plane (TAP Block) in the analgesic control of patients with acute pancreatitis; compared to standard intravenous analgesia.
Methods A randomized controlled trial of parallel groups will be conducted. The Study will have a multicenter development. Study population: Adult patients admitted for episode of AP, with uncontrolled pain (visual analogue scale (VAS) equal to or greater than 5 after the administration of standard analgesia. Randomization Groups: Group A: Patients who will undergo TAP block as analgesic procedure added to standard analgesia. Group B: Patients to whom morphine 2 mg / ev will be administered as analgesic procedure added to standard analgesia.
Timing of pain determination (Visual Analogue Scale, VAS):
- Before conventional analgesia
- Immediately before Randomization
- 15 minutes after the administration of the analgesic treatment object of the study.
- One hour after the procedure.
- Every 8 hours, during the next 4 days or until discharge of the patient.
- Whenever the patient needs a dose of supplemental rescue analgesia. Analysis of data All results will be evaluated according to the initial "intention to treat". There will be a blinded assessment of the results after the last patient in the trial has completed the follow-up. The results will be presented as relative risks with their corresponding confidence intervals. P <0.05 will be considered statistically significant. In case of imbalance between the two treatment groups, a multivariate logistic regression is used to correct possible confounding factors.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Diagnosis of acute pancreatitis according to modified Atlanta criteria .
- Patients with the ability to understand the VAS scale and express their level of pain.
- Patients over 18 years old.
- Uncontrolled pain, with VAS ≥ 5 after the administration of standard analgesia.
- Material and technical possibility of performing the TAP technique immediately after randomization.
- Informed consent of the participating patients for inclusion in the study.
- Informed consent of the participating patients for the administration of TAP.
- Normality of coagulation levels
Exclusion Criteria:
- Patients with American Society of Anaesthesia (ASA) levels IV and V
- Patients with chronic pancreatitis
- Pregnancy
- Patients with chronic treatment with morphic medication
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: TAP block
Transversus Abdominis Plane (TAP) block technique will be carried out by a restricted group of anaesthesiologists.
Standard monitoring will be applied to all patients, which will include pulse oximetry, electrocardiogram and non-invasive monitoring of blood pressure.
|
With the patient placed in the supine position, after asepsis of the skin with chlorhexidine, bilateral TAP blockage will be carried out under ultrasound control.
We will use a high frequency linear transducer (12-15 MHz) on one side of the abdominal wall, at the level of the mid-axillary line, between the costal margin and the iliac crest.
At this level we can identify three muscle layers, from superficial to deep: external oblique muscle, internal oblique muscle and transverse muscle of the abdomen.
We will move the transducer more laterally to locate the most posterior border of the internal oblique and transverse muscles.
It is at this level that we perform the posterior TAP blockade: we administer 10 ml of 2% Mepivacaine plus 10 ml of 0.5% Bupivacaine between the fasciae of the internal oblique muscle and the transverse muscle of the abdomen and observe an appropriate diffusion pattern of local anesthetics
|
Active Comparator: Conventional analgesia
Patients be given conventional endovenous analgesia, and morphine 2 mg / ev every 15 minutes until the level of pain measured by a Visual Analogue Scale (VAS) ≤ 3
|
Intravenous dexketoprofen 50 mg / 8 hours, alternate with intravenous paracetamol 1g / 8 hours. If allergy to Nonsteroidal anti-inflammatory drugs (NSAIDs) or in case of renal failure: Intravenous metamizol 2g / 8 hours alternate with intravenous paracetamol 1g / 8 hours. Rescue Analgesia: intravenous morphine (2 mg every 15 minutes until VAS less or equal to 3) |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change of pain levels (VAS) after the intervention
Time Frame: Baseline (Before the intervention), 15 minutes after the intervention, 1 hour after the intervention, 8 hours after the intervention, 16 hours after the intervention, 24 hours after the intervention
|
To assess the VAS value in order to measure the time elapsed from the intervention until reaching the appropriate level of analgesic efficacy.
Analgesic efficacy is defined as the patient having a pain VAS value ≤ 3.
|
Baseline (Before the intervention), 15 minutes after the intervention, 1 hour after the intervention, 8 hours after the intervention, 16 hours after the intervention, 24 hours after the intervention
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Complications
Time Frame: through study completion, an average of 30 days
|
Complications related to the analgesic technique used, either by the administration procedure or as a side effect
|
through study completion, an average of 30 days
|
Collaborators and Investigators
Sponsor
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
Other Study ID Numbers
- 19/35
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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