Magnesium Sulfate as an Adjuvant to Lidocaine in MPDS Trigger Point Injections Assessed by VAS and sEMG.
Evaluation of the Effect of Adding Magnesium Sulfate to Lidocaine in the Treatment of Myofascial Pain Dysfunction Syndrome Using Surface Electromyography (sEMG).(Randomized Clinical Trial)
Cairo University
28 participants
Nov 26, 2025
INTERVENTIONAL
Conditions
Summary
Two groups of patients diagnosed with Myofascial Pain Dysfunction Syndrome (MPDS) will be included in this study. One group will receive trigger point injections of lidocaine alone. The other group will receive trigger point injections of lidocaine combined with magnesium sulfate. The study aims to compare the effectiveness of both treatments in reducing pain and improving muscle function. Patients will be assessed using a pain scale (VAS) and surface electromyography (sEMG) to measure muscle activity.
Eligibility
Plain Language Summary
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Interventions
Using 25-27G sterile disposable needle, intramuscular injection of 2%preservative-free solution of lidocaine without vasocostrictor, 1.8 ml at the most painful trigger points with "Fast-in, fast out" or "peppering" method and inject the solution slowly.
Using 25-27G sterile disposable needle, intramuscular injection of 2%preservative-free solution of lidocaine without vasocostrictor mixed with 10%magnesium sulphate , Approx. 3.8 ml per point (1.8 ml Lidocaine + 2 ml MgSO₄) at the most painful trigger points with "Fast-in, fast out" or "peppering" method and inject the solution slowly.
Locations(1)
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NCT07390851