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Gabapentin and Diclofenac Sodium Comparison for Post-Operative Pain Relief

Comparative Efficacy of Gabapentin and Diclofenac Sodium for Post-Operative Pain Relief in Patients Undergoing Major Abdominal Surgeries

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07267182
Enrollment
240
Registered
2025-12-05
Start date
2022-08-01
Completion date
2023-02-28
Last updated
2025-12-05

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

Conditions

Postoperative Pain

Brief summary

Little is known about comparative efficacy of gabapentin and diclofenac sodium in managing post-operative pain. Therefore, this study was planned to compare the efficacy of gabapentin, and diclofenac sodium for post-operative pain relief in patients undergoing major abdominal surgeries.

Detailed description

Non-steroidal anti-inflammatory drugs, opioid analgesics, and local and regional anesthesia have been used as preventive interventions, but their role in postoperative pain management remains inconclusive. Gabapentin is a relatively new drug for postoperative pain management whose side effects are well tolerated. If the findings of this study produce similar observations, it would add to the already scarce data and help patients undergoing major abdominal surgeries in the local settings in relieving postoperative pain effectively.

Interventions

Patients received a single oral dose of gabapentin 600 mg one hour before surgery.

DRUGDiclofenac Sodium 100 MG

Patients were given a single oral dose of diclofenac sodium 100 mg one hour before surgery.

Sponsors

Muhammad Aamir Latif
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* Any gender * Aged 18-60 years * Undergoing elective major abdominal surgery under general anesthesia * With physical status I or II * Who were able to comprehend and use the Visual Analogue Scale (VAS) for pain assessment

Exclusion criteria

* With a known allergy or contraindication to gabapentin, or diclofenac sodium * A history of peptic ulcer disease * A history of gastrointestinal bleeding * Hepatic or renal dysfunction * Pregnancy or lactation * With neurological or psychiatric disorders affecting pain perception * Received opioids, anticonvulsants, antidepressants, or nonsteroidal anti-inflammatory drugs (NSAIDs) within 24 hours before surgery * With uncontrolled hypertension, ischemic heart disease, or diabetes mellitus * Those who experienced intraoperative complications necessitating a change in anesthetic plan or postoperative mechanical ventilation

Design outcomes

Primary

MeasureTime frameDescription
Pain reduction12 hoursPatients were considered to have effective pain relief (Yes) if their VAS score remained ≤3 throughout the monitoring period without requiring rescue analgesia.

Countries

Pakistan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026