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Liposomal Bupivacaine Transversus Abdominis Plane Blocks Efficacy for Postoperative Pain Following Laparoscopic Colorectal Surgery: A Randomized, Double-blind, Controlled Trial

Liposomal Bupivacaine Transversus Abdominis Plane Blocks Efficacy for Postoperative Pain Following Laparoscopic Colorectal Surgery: A Randomized, Double-blind, Controlled Trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400082663
Enrollment
Unknown
Registered
2024-04-03
Start date
2024-04-04
Completion date
Unknown
Last updated
2024-04-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Postoperative pain after laparoscopic radical surgery for colorectal cancer

Interventions

Bupivacaine liposome group(experimental group):The patient had an ultrasound-guided bilateral TAP block after anesthesia induction. During the procedure, a lateral approach was utilized, placing the w
Ropivacaine group(control group):Patients underwent ultrasound-guided bilateral TAP block after induction of anesthesia. Operation method: the lateral approach was used, and the line array probe was p

Sponsors

Qilu Hospital of Shandong University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
30 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. 30 years old = age = 70 years old; 2. Patients undergoing elective colorectal laparoscopic surgery under general anesthesia; 3. 18 kg/m2 = BMI = 35 kg/m2; 4. American Society of Anaesthesiologists (ASA) classification I-III; 5. Be able to understand the study process and the use of pain scales; 6. Have no contraindications to study medications; 7. Clearly understand and voluntarily participate in the study and sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Abnormal liver function: ALT and/or AST >2×ULN or TBIL =1.5×ULN; 2. Severe renal impairment (blood creatinine >176 µmol/L, glomerular filtration rate 1.5 and/or a platelet count < 70,000/ml); 5. Those with combined sensory abnormalities in the innervated dermatomes and peripheral neuropathy; 6. With mental illness or cognitive dysfunction; 7. A history of pulmonary heart disease or heart failure (New York Heart Association class III to IV congestive heart failure); 8. Women who are pregnant or breastfeeding; 9. Those with chronic pain syndromes (defined as reflex sympathetic dystrophy or complex regional pain syndrome); 10. History of drug or alcohol abuse; 11. History of chronic opioid use (more than 3 months or more than 5 mg/day of morphine equivalents for 1 month); 12. Patients undergoing secondary surgery 13. Any other reason why the investigator considers participation in the trial to be inappropriate.

Design outcomes

Primary

MeasureTime frame
Exercise VAS pain score within 72 hours postoperatively(Calculate the area under the curve);

Secondary

MeasureTime frame
The number of treatments for arrhythmia, hypotension, and hypertension during surgery;Rest VAS pain score at 72 hours postoperatively (calculated area under the curve);Consumption of analgesic drugs during 0-24h, 24-48h and 48-72h postoperatively;Incidence of postoperative nausea and vomiting, dizziness, respiratory depression, and skin itching;Dosage of all drugs used in anaesthesia and total amount of drugs administered;Time of first pain remedy and number of remedies;Time of first postoperative feeding and defecation;Time to first postoperative bed activity;Patient outcome questionnaire (IPOQ scale) scores at 72h postoperatively;Postoperative patient satisfaction;Patient's length of stay;

Countries

China

Contacts

Public ContactShaozhong Yang

Qilu Hospital of Shandong University

yszyang@163.com+86 185 6008 3790

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026