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NCT Number: NCT07169006

The Effect of Preoperative Gabapentin on Postoperative Pain Control and Analgesic Requirements Following Bariatric Surgery

The importance of bariatric anesthesia and analgesia research cannot be ignored as it can inform and improve the perioperative protocols for other patients with morbid obesity irrespective of the surgical procedures they are undergoing

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Key information

Conditions

Bariatric Surgery Analgesia

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

About this study

Among various postoperative complications, pain is the main adverse event experienced by patients. Good control of postoperative pain is an important factor for reducing early postoperative complications such as pulmonary embolism, deep vein thrombosis, ileus, and respiratory infections, and for decreasing length of stay, lowering costs, and increasing patient satisfaction

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • patients with American Society of Anesthesiologists physical status ASA I to III
  • both genders
  • Morbid obese scheduled for bariatric surgery

Exclusion criteria

  • patients with impaired liver or kidney disease
  • patients with history of hypersensitivity to gabapentin
  • patients with history of alcohol abuse, chronic pain or frequent use of analgesic
  • patients with uncontrolled medical disease

Treatment and study plan

Group 1

Drug

Will receive a single dose of gabapentin 300 mg preoperatively before standard general anesthesia

Other names: Gabapentin 300

Group 2

Drug

will receive a placebo before standard general anesthesia

Other names: Placebo

Primary outcomes

  1. Comparing pain score between the two groups during 1st postoperative 24 hours using visual analogue score (VAS

    Time frame: 24 hours postoperative

    Comparing pain score between the two groups during 1st postoperative 24 hours using visual analogue score (VAS

Sponsors and collaborators

Lead sponsor

Ain Shams University

Other

Registry information

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Sep 11, 2025
Registry last updated
Sep 11, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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