Randomized, double-masked, sham-controlled trial of efficacy and safety of quantum molecular resonance for treating meibomian gland dysfunction
Abstract
This randomized, double-blind, sham-controlled trial aimed to evaluate the novel quantum molecular resonance (QMR) device for meibomian gland dysfunction (MGD) treatment. Eighty participants diagnosed with MGD were randomized into QMR or sham-QMR groups. Each procedure was performed on days 0, 7, 14, and 21. Primary (meibum quality score) and other secondary outcomes were examined at baseline and weeks 7 and 11. Tear osmolarity and interleukin (IL)-6 and IL-1 receptor agonist levels were evaluated at baseline and week 7. Adverse events were recorded. A multilevel mixed-effect linear regression model was used for data analysis. Meibum quality (p = 0.008), corneal/conjunctival fluorescein staining score (p = 0.036), telangiectatic vessel area (p = 0.008), and superior (p = 0.011) and inferior (p = 0.020) lid meiboscale were significantly improved in the QMR group than those in the sham-treated group at week 11. Superior lid meiboscale (p = 0.027) and meibomian gland plugging grade (MGPG) (p = 0.017) were significantly improved in the QMR group at week 7. In the QMR group, Ocular Surface Disease Index (OSDI) scores and lid margin thickening grades were significantly lesser at weeks 7 (p = 0.002 and <0.001, respectively) and 11 (both p < 0.001) than the baseline values. At week 7, IL-6 levels were significantly decreased only in the QMR group (p = 0.016). All other parameters did not significantly differ. No serious adverse event occurred. The QMR device was effective for MGD…
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Evidence Hub reads this as a randomized trial. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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