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Clinical Trials/NCT07706348
NCT07706348RecruitingPhase 1

Impact of Intraperitoneal Irrigation of Ondansteron in Combination With Lidocaine in Acute Postoperative Pain in Lower Abdominal Cancer Surgery: a Randomized Clinical Trial

Assiut University1 site in 1 country20 target enrollmentStarted: June 1, 2026Last updated:
Conditions
Drugs

Trial Snapshot

Phase
Phase 1
Status
Recruiting
Enrollment
20
Locations
1
Primary Endpoint
total morphine consumption

Study Overview

Brief Summary

This study, therefore, aimed to investigate the effect of intraperitoneal administration of ondansetron in combination to lidocaine for postoperative pain management in patients undergoing lower abdominal cancer surgery.

Detailed Description

Postoperative pain relief is very important issue in any surgery. The common postoperative pain management is traditionally based on opioids (1,2). Considering opioids' adverse effects such as nausea, vomiting, sedation, drowsiness, and urinary retention, recently there is a lot of interest for f inding a safe and effective pain treatment after operation. Local anesthetics intraperitoneal instillation is recognized as a useful technique for postoperative pain management. They can reduce inflammatory response after surgery and produce analgesia by blocking neural transmission at the site of tissue injury (5). 5-HT3-antagonists, including ondansetron, are commonly used as anti-emetics to prevent and treat chemotherapy-induced vomiting and nausea [7]. Several studies have shown that 5-HT3-antagonists pose anti-inflammatory and analgesic properties, suggesting a potential clinical role in pain management.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
Double (Participant, Outcomes Assessor)

Eligibility Criteria

Ages
20 Years to 70 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • ASA I-II patients
  • scheduled for major lower abdominal cancer surgeries.

Exclusion Criteria

  • patients with known allergy to the study drugs,
  • significant cardiac, respiratory, renal or hepatic disease,
  • body mass index (BMI) ≥30 kg/m2;
  • allergy to study drugs
  • history of opioid use for pain management the time of enrolment or drug addiction,
  • who had used benzodiazepine chronically,
  • stroke or psychiatric disease that could affect the perception of pain.

Outcomes

Primary Outcomes

total morphine consumption

Time Frame: in the first 24 hours postoperative

total amount of morphine consumption in mg in the first 24 hours for analgesia

Secondary Outcomes

  • time of the first request of analgesia(first 24 hours postoperative)

Investigators

Sponsor Class
Other
Responsible Party
Principal Investigator
Principal Investigator

Shereen Mamdouh

professor of anesthesia, ICU and pain management

Assiut University

Study Sites (1)

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