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Does low-dose gapapentin reduce opioid use postoperatively?: A randomized controlled trial in women undergoing
Adrienne L K Li1, Kristin Wadsworth2, Naveed T Siddiqui3
1Department of Obstetrics and Gynecology, Mount Sinai Hospital, Room 8 - 814, 700 University Avenue, Toronto, ON, M5G 1Z5, Canada. adrienne.li@sinaihealthsystem.ca.
Pre-emptive low-dose gabapentin did not reduce postoperative pain or opioid use in women undergoing vaginal hysterectomy with pelvic reconstruction. This study found no significant differences in pain management or recovery time between gabapentin and placebo groups.
Area of Science:
- Obstetrics and Gynecology
- Anesthesiology
- Pelvic Surgery
Background:
- Pre-emptive gabapentin is known to reduce postoperative pain after hysterectomy.
- Its efficacy in vaginal hysterectomy combined with pelvic reconstruction, especially at low doses, remains unstudied.
Purpose of the Study:
- To evaluate the effectiveness of pre-emptive low-dose gabapentin in reducing postoperative pain and opioid consumption.
- To assess the impact on sedation and recovery room stay in patients undergoing vaginal hysterectomy with pelvic reconstruction.
Main Methods:
- A randomized, double-blind, placebo-controlled trial was conducted.
- Participants received either gabapentin (600 mg <65 years; 300 mg >65 years) or a placebo.
- Primary outcome: opioid consumption in the first 24 hours; secondary outcomes: sedation, recovery room stay, and pain scores (VAS).
Main Results:
- Twenty-one patients received gabapentin and 26 received a placebo.
- No significant differences were observed between groups in opioid requirements, recovery room stay, or visual analog scale (VAS) scores for pain, anxiety, or nausea.
- Demographic and clinical characteristics were similar between the gabapentin and placebo groups.
Conclusions:
- Pre-emptive administration of low-dose gabapentin did not significantly reduce postoperative pain or opioid requirements.
- The findings suggest that institutional low doses of gabapentin are not effective for pain management in this specific surgical population.
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