Comparing Ketalar and Dexmedetomidine for Pain Sensitivity After Remifentanil

Comparison of the Effect of Ketalar or Dexmedetomidine on Increased Sensitivity to Pain Induced Following Treatment With Remifentanil in Patients Undergoing a Laparoscopic Cholecystectomy

Not applicable Interventional Assaf-Harofeh Medical Center · NCT06473896

This study is testing whether Ketalar or Dexmedetomidine can help reduce pain sensitivity after surgery in patients who have received Remifentanil.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment90 (estimated)
Ages18 Years to 85 Years
SexAll
SponsorAssaf-Harofeh Medical Center Government
Locations1 site (Be’er Ya‘aqov)
Trial IDNCT06473896 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the effectiveness of Ketalar and Dexmedetomidine in preventing increased sensitivity to pain, known as hyperalgesia, following the use of Remifentanil during laparoscopic cholecystectomy. Remifentanil is a potent opioid with a short half-life, but it can lead to heightened pain sensitivity after its administration. By comparing these two complementary treatments, the study seeks to identify which option better alleviates pain sensitivity in patients undergoing this surgical procedure. The study will involve patients scheduled for laparoscopic cholecystectomy under general anesthesia.

Who should consider this trial

Good fit: Ideal candidates are patients scheduled for laparoscopic cholecystectomy who will receive general anesthesia.

Not a fit: Patients with chronic pain, those requiring urgent surgery, or individuals with specific cardiac or renal issues may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved pain management strategies for patients undergoing surgery, reducing reliance on opioids.

How similar studies have performed: Other studies have explored the use of alternative analgesics in opioid-sparing strategies, showing promising results, but this specific comparison is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

• Patients who are about to undergo alaparoscopic cholecystectomy under general anesthesia

Exclusion Criteria:

* Patients with sensitivity to the anesthetic
* Patients with chronic pain who are in regular treatment
* Urgent surgery
* Patients with ischemic heart disease
* Patients with known bradycardia
* Patients with a pacemaker
* Prolonged use of opiates
* Kidney/liver function problems

Where this trial is running

Be’er Ya‘aqov

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Cholecystectomy
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.