Using magnesium sulfate with bupivacaine for pain relief after hip surgery

Efficacy of Adding Magnesium Sulfate to Bupivacaine in Ultrasound-guided Transmuscular Quadratus Lumborum Block for Postoperative Analgesia in Patients Underdoing Hip Arthroplasty

PHASE2; PHASE3 · Tanta University · NCT06956950

This study is testing if adding magnesium sulfate to a pain relief shot can help adults feel less pain and use fewer opioids after hip surgery.

Quick facts

PhasePHASE2; PHASE3
Study typeInterventional
Enrollment70 (estimated)
Ages18 Years and up
SexAll
SponsorTanta University (other)
Locations1 site (Tanta, El-Gharbia)
Trial IDNCT06956950 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates the effectiveness of adding magnesium sulfate to bupivacaine in an ultrasound-guided transmuscular quadratus lumborum block for postoperative pain management in adults undergoing hip arthroplasty. The study aims to determine if magnesium sulfate can reduce pain scores and total opioid consumption compared to a placebo. Participants will receive either the combination of magnesium sulfate and bupivacaine or bupivacaine with saline, followed by monitoring for pain and side effects for 48 hours post-surgery.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older, classified as ASA class I-III, who are scheduled for hip arthroplasty.

Not a fit: Patients with a BMI over 40, allergies to local anesthetics or magnesium sulfate, or severe renal impairment may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to improved pain management and reduced opioid use after hip arthroplasty.

How similar studies have performed: Previous studies have shown promising results with the addition of magnesium sulfate in regional anesthesia techniques, suggesting potential efficacy in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years.
* American Society of Anesthesiology (ASA) class I-III
* Undergoing hip arthroplasty .

Exclusion Criteria:

* Patient refusal.
* Body mass index (BMI) \> 40 Kg/m2.
* Allergy to local anesthetics or magnesium sulphate.
* coexisting coagulopathy.
* Local infection at puncture site.
* Severe renal impairment ( eGFR \< 30 ml/min)

Where this trial is running

Tanta, El-Gharbia

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: Pain Score Reduction

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.