Clinical Research Directory

Postoperative Analgesic Consumption After Preoperative Gabapentin vs Placebo in Breast Cancer Surgery

Sponsor: Shaukat Khanum Memorial Cancer Hospital & Research Centre

Summary

The study will be conducted after approval from the Scientific and Ethical Review Committees. Eligible patients will be enrolled after obtaining written informed consent and randomly allocated to Group A (gabapentin) or Group B (placebo). Group A will receive oral gabapentin 600 mg one hour before surgery, while Group B will receive oral placebo (sodium bicarbonate) at the same time. General anesthesia will be induced with propofol, atracurium, and fentanyl and maintained with sevoflurane using a supraglottic airway device. Both groups will receive IV paracetamol, ketorolac, and local bupivacaine infiltration. Intraoperative rescue analgesia with IV morphine will be given if hemodynamic parameters increase by \>20% from baseline. Postoperatively, patients will be monitored in the recovery area for pain using the Numeric Rating Scale (NRS) and for adverse effects including drowsiness, nausea, and vomiting. IV morphine 0.1 mg/kg will be administered if the NRS pain score is \>2. The total morphine consumption during recovery will be recorded for both groups. Data will be collected using the attached proforma.

Official title: Comparison of Mean Analgesia Consumption for Postoperative Pain With Single Dose of Preoperative Oral Gabapentin Versus Placebo in Patients Undergoing Breast Cancer Surgery

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