Comparing Dexamethasone and Dexmedetomidine for Pain Relief After Knee Surgery

Dexamethasone Vs. Dexmedetomidine for ESPB in Pain Management After Total Knee Arthroplasty

PHASE4 · Poznan University of Medical Sciences · NCT06470100

This study is testing whether adding Dexamethasone or Dexmedetomidine to local anesthetics can help people feel less pain and recover faster after knee surgery.

Quick facts

PhasePHASE4
Study typeInterventional
Enrollment90 (estimated)
Ages18 Years to 100 Years
SexAll
SponsorPoznan University of Medical Sciences (other)
Locations1 site (Poznan, Poznań)
Trial IDNCT06470100 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of perineural Dexamethasone and Dexmedetomidine on the duration of erector spinal plane blocks in patients undergoing knee arthroplasty. It aims to enhance postoperative pain management by comparing these two adjuvants to local anesthetics. The research addresses a gap in existing literature regarding their effectiveness specifically in knee surgeries. The goal is to identify which adjuvant provides better pain relief and facilitates faster recovery after surgery.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 100 years undergoing primary hip arthroplasty with ASA physical status 1, 2, or 3.

Not a fit: Patients with severe comorbidities, such as ASA physical status 4 or 5, or those with a history of opioid abuse 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 knee arthroplasty.

How similar studies have performed: While there is considerable research on dexamethasone and dexmedetomidine in orthopedic surgeries, this specific approach in knee surgery is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* patients undergoing primary hip arthroplasty
* aged \>18 years and \<100 years
* ASA physical status 1, 2 or 3.

Exclusion Criteria:

* if they refused to participate,
* had a history of opioid abuse,
* had an infection of the site of needle puncture,
* were less than 18 years of age,
* were postponed as having ASA 4 or 5,
* had an allergy to any of the drugs used in the study,
* renal failure (estimated glomerular filtration rate \<15ml/min/1.73m2),
* liver failure,
* known or suspected coagulopathy,
* pre-existing anatomical or neurological disorders in the lower extremities,
* intellectual disability with problems in pain evaluation,
* severe psychiatric illness.

Where this trial is running

Poznan, Poznań

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.

View on ClinicalTrials.gov →

Conditions: Knee Osteoarthritis, Knee Arthritis, Knee Disease, Knee Pain Chronic

Last reviewed 2026-05-15 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.