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Preoperative Gabapentin vs Placebo for Vaginal Prolapse Surgery

J

Joseph Kowalski

Status and phase

Completed
Phase 4

Conditions

Perioperative/Postoperative Complications
Pelvic Organ Prolapse

Treatments

Drug: Gabapentin Placebo
Drug: Gabapentin

Study type

Interventional

Funder types

Other

Identifiers

NCT05658887
202207210

Details and patient eligibility

About

This study will recruit women scheduled to undergo vaginal apical suspension surgery (either uterosacral ligament suspension or sacrospinous ligament fixation) with or without other prolapse or anti-incontinence procedures. Participants will be randomized 1:1 to preoperative gabapentin or preoperative placebo (both patients and investigators will be blinded). Note the control group will receive preoperative acetaminophen/celecoxib/placebo and the treatment group will receive preoperative acetaminophen/celecoxib/gabapentin (preoperative acetaminophen/celecoxib are part of our current ERAS protocol). The primary outcome will be postoperative opioid use in the first 24 hours postoperatively measured in morphine milligram equivalents.

Full description

Enhanced Recovery after Surgery (ERAS) is an approach to perioperative care that focuses on evidence-based care protocols that emphasize minimizing stress and improving the body's response to stress. These protocols have resulted in a significant decrease in length of stay, complications, and cost in many different surgical specialities. Many of these protocols (including our current gynecology ERAS protocol) include preoperative gabapentin as an intervention to help reduce postoperative pain and postoperative opioid use. Gabapentin is an anticonvulsant medication that is commonly used for chronic neuropathic pain and other chronic pain disorders. The data regarding perioperative use of gabapentin is currently mixed, and the data in gynecology (and especially urogynecology) is limited. Notably gabapentin has been shown to be associated with sedation, respiratory depression, dizziness, and visual disturbances. In 2019, the U.S. Food and Drug Administration issued a warning that serious breathing difficulties may occur in patients using gabapentin with respiratory risk factors.

Pelvic organ prolapse is a common benign condition, and surgery for pelvic organ prolapse is very common. Vaginal apical suspension is one of the most common surgeries for pelvic organ prolapse. There is very limited data on the utility of preoperative gabapentin for vaginal apical suspension surgery.

This study will recruit women scheduled to undergo vaginal apical suspension surgery (either uterosacral ligament suspension or sacrospinous ligament fixation) with or without other prolapse or anti-incontinence procedures. Participants will be randomized 1:1 to preoperative gabapentin or preoperative placebo (both patients and investigators will be blinded). Note the control group will receive preoperative acetaminophen/celecoxib/placebo and the treatment group will receive preoperative acetaminophen/celecoxib/gabapentin (preoperative acetaminophen/celecoxib are part of our current ERAS protocol). The primary outcome will be postoperative opioid use in the first 24 hours postoperatively measured in morphine milligram equivalents.

Enrollment

110 patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Scheduled for a vaginal apical support procedure (sacrospinous ligament fixation or vaginal uterosacral ligament suspension)
  • Female
  • Age 18 or higher

Exclusion criteria

  • Non-English speaking
  • Incarcerated
  • Cognitive impairment precluding informed consent
  • Chronic opioid user
  • Chronic gabapentinoid user
  • Contraindication to acetaminophen, celecoxib, or gabapentinoids
  • Concurrent laparoscopic or abdominal surgery

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

110 participants in 2 patient groups, including a placebo group

Placebo
Placebo Comparator group
Description:
Preoperative tylenol, preoperative celecoxib, preoperative gabapentin placebo
Treatment:
Drug: Gabapentin Placebo
Intervention
Experimental group
Description:
Preoperative tylenol, preoperative celecoxib, preoperative gabapentin
Treatment:
Drug: Gabapentin

Trial documents
2

Trial contacts and locations

1

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Central trial contact

Joseph Kowalski, MD; Colin M Johnson, MD

Data sourced from clinicaltrials.gov

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