- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04938882
Effect of Transversus Abdominis Plane Block With Compound Lidocaine on Pain After Gynecological Surgery
February 21, 2022 updated by: Guolin Wang, Tianjin Medical University General Hospital
Effect of Ultrasound-guided Transversus Abdominis Plane Block With Compound Lidocaine on Postoperative Pain in Patients Undergoing Gynecological Laparotomy:a Randomized Double-blind Controlled Trial
Purpose:
To explore effects of ultrasound-guided transversus abdominis plane block with compound lidocaine on postoperative pain after gynecological laparotomy.
Study Overview
Status
Completed
Conditions
Detailed Description
Poor post-surgical pain control is a leading factor that hinders the physical rehabilitation, and causes acute cognitive impairment and chronic pain syndrome.
Recently, the multimodal analgesia strategies to minimise opioid-related side effects are highly desirable in open surgical procedures.
The transversus abdominis plane block is a novel technique involving injection of local anaesthetic between the internal oblique and the transversus abdominis muscles of the abdominal wall.
Although ropivacaine is most commonly used for this technique, the analgesic duration remains not dissatisfied.
Compared with ropivacaine, compound lidocaine injection has a better and longer analgesic activity since it contains menthol and ethanol with appropriate concentrations.
However, whether compound lidocaine injection is efficiency in the transversus abdominis plane block for abdominal open sugery lacks investigations.
Herein, we will evaluate the efficacy of ultrasound-guided transversus abdominis plane (USG-TAP) block with compound lidocaine injection for postoperative analgesia in patients undergoing gynecological laparotomy.
Study Type
Interventional
Enrollment (Actual)
164
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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-
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Tianjin, China, 300052
- Tianjin Medical University General Hospital
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
20 years to 60 years (Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Female
Description
Inclusion Criteria:
- Subject is scheduled to undergo gynecological laparotomy under general anesthesia
- Subject's American Society of Anesthesiologists physical status is I-II.
- The subject's parent/legally authorized guardian has given written informed consent to participate.
Exclusion Criteria:
- Subject has a diagnosis of bronchial asthma, coronary heart disease, severe hypertension, renal failure or liver failure.
- Subject has a diagnosis of Insulin dependent diabetes.
- Subject is allergy and contraindication to local anesthetics or any components of local anesthetics.
- Subject has a history of chronic pain, a history of alcohol or opioid abuse, pre- existing therapy with opioids, intake of any analgesic drug within 48 hours before surgery.
- Subject has any contraindication for the use of patient-controlled analgesia (PCA).
- Subject is pregnant or breast-feeding.
- Subject is obese (body mass index >30kg/m^2).
- Subject is incapacity to comprehend pain assessment and cognitive assessment.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Normal saline in transversus abdominis plane block
Before the induction of anesthesia, normal saline is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
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Before the induction of anesthesia, normal saline is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
Other Names:
|
Active Comparator: Ropivacaine in transversus abdominis plane block
Before the induction of anesthesia, 0.375% ropivacaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
|
Before the induction of anesthesia, 0.375% ropivacaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
Other Names:
|
Active Comparator: Compound lidocaine at low-concentration in transversus abdominis plane block
Before the induction of anesthesia, 0.4% compound lidocaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
|
Before the induction of anesthesia, 0.4% compound lidocaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
Other Names:
|
Active Comparator: Compound lidocaine at high-concentration in transversus abdominis plane block
Before the induction of anesthesia, 0.6% compound lidocaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
|
Before the induction of anesthesia, 0.6% compound lidocaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain Score (NRS)
Time Frame: 72 hours after surgery
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The pain score at rest or after movement was evaluated by pain 11-point numerical rating scale (NRS): 0 = no pain, 10 = greatest imaginable pain.
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72 hours after surgery
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Mean time until passage of flatus
Time Frame: 72 hours after surgery
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Gastrointestinal motility was evaluated by recording mean time until passage of flatus
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72 hours after surgery
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Time of First Postoperative Analgesic Requirement
Time Frame: 1 hour after surgery
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First postoperative pain (NRS≥5) is initially controlled by titration of sufentanyl.
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1 hour after surgery
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Total Dose of First Postoperative Analgesic Requirement
Time Frame: 1 hour after surgery
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First postoperative pain (NRS≥5) is initially controlled by titration of sufentanyl.
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1 hour after surgery
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Cumulative Sufentanyl Consumption
Time Frame: 72 hours after surgery
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Each patient was administered analgesics using a PCA (Patient-controlled analgesia) pump containing sufentanil (200μg) in normal saline at a total volume of 200 ml after leaving PACU (Postanesthesia care unit).
This device was set to deliver a basal infusion of 2 ml/h and bolus doses of 0.5 ml with a 15-min lockout period.
Sufentanyl cumulative consumption is recorded 72 hours postoperatively
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72 hours after surgery
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Occurrence of Side Effects
Time Frame: 72 hours after surgery
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Occurrence of side effects: nausea, vomiting, dizziness, headache, shivering, pruritus
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72 hours after surgery
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Normalized Area of Hyperalgesia Around the Incision
Time Frame: 72 hours after surgery
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The skin around the incision is stimulated in steps of 5 mm at intervals of 1 s starting outside of the hyperalgesic area in the direction of the incision.
The distance from the incision to the first point where a 'painful', 'sore' or 'sharper' feeling occurred is measured and noted.
This measurement is repeated at predefined radial lines around the incision.
To eliminate the variable length of incision, this length is subtracted from the longer diameter leaving four radial distances from the end and from the middle of the incision.
The normalized area of hyperalgesia is calculated by summing up the areas of the remaining four triangles measured by and Von Frey filament.
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72 hours after surgery
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The onset time of sensory block
Time Frame: 30 minutes after transversus abdominis plane block
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Sensory block was assessed using a cold test (2 = normal sensation, 1 = decreased cold sensation compared, 0 = loss of cold sensation) on the bilateral anterior abdomen between the median line and linea semiluminaris from T7-T12.
The sensation was compared with the sensation to cold at ipsilateral lateral thoracic region of T4-T5.
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30 minutes after transversus abdominis plane block
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Diffusion area of local anesthetics after transversus abdominis plane block
Time Frame: 30 minutes after transversus abdominis plane block
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Diffusion area of local anesthetics after transversus abdominis plane block was calculated under ultrasound assistance .
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30 minutes after transversus abdominis plane block
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Apfel score
Time Frame: The day before the surgery
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The Apfel score was recorded for evaluating risk for developing postoperative nausea and vomiting (PONV).
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The day before the surgery
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Ma N, Duncan JK, Scarfe AJ, Schuhmann S, Cameron AL. Clinical safety and effectiveness of transversus abdominis plane (TAP) block in post-operative analgesia: a systematic review and meta-analysis. J Anesth. 2017 Jun;31(3):432-452. doi: 10.1007/s00540-017-2323-5. Epub 2017 Mar 7.
- Tran DQ, Bravo D, Leurcharusmee P, Neal JM. Transversus Abdominis Plane Block: A Narrative Review. Anesthesiology. 2019 Nov;131(5):1166-1190. doi: 10.1097/ALN.0000000000002842.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
August 15, 2021
Primary Completion (Actual)
February 10, 2022
Study Completion (Actual)
February 14, 2022
Study Registration Dates
First Submitted
June 22, 2021
First Submitted That Met QC Criteria
June 22, 2021
First Posted (Actual)
June 24, 2021
Study Record Updates
Last Update Posted (Actual)
February 23, 2022
Last Update Submitted That Met QC Criteria
February 21, 2022
Last Verified
February 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Postoperative Complications
- Pain
- Neurologic Manifestations
- Pain, Postoperative
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Sensory System Agents
- Anesthetics
- Membrane Transport Modulators
- Anesthetics, Local
- Voltage-Gated Sodium Channel Blockers
- Sodium Channel Blockers
- Lidocaine
- Ropivacaine
Other Study ID Numbers
- GWang013
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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