Abstract
IntroductionRecently, there has been a progressive shift from simple water-adding medications towards complex multi-action combined formulas aimed at disrupting different mechanisms within the dry eye disease (DED) vicious cycle. This study evaluated the efficacy and tolerability of Trimix eye drops (Off Health Italia, Italy), a combination of viscosity-enhancing hyaluronic acid, trehalose, and cationic liposomes comprising stearylamine and phospholipids, in patients with DED.MethodsIn this prospective, pilot study patients diagnosed with mild to moderate DED were enrolled and treated with Trimix eye drops three times daily for 2 months. Ocular surface workup was performed before (V0) and after therapy (V1) by means of IDRA (SBM Sistemi, Turin, Italy), for the measurement of (i) noninvasive break-up time (NIBUT); (ii) tear meniscus height (TMH); (iii) lipid layer thickness (LLT); (iv) infrared meibography (percentage of meibomian gland loss); (v) bulbar redness (Efron scale). Treatment tolerability was scored on a visual analog scale ranging from 0 (none/not at all) to 100 (much/very) for eight questions. Ocular discomfort symptoms were scored using the Standard Patient Evaluation of Eye Dryness (SPEED) questionnaire.ResultsOverall, 25 subjects (mean age 60.32 ± 14.55 years) were included in the study. At V1, TMH, NIBUT, and LLT significantly increased compared to V0 (from 0.29 ± 0.06 to 0.46 ± 0.06 mm, 6.34 ± 2.61 to 7.58 ± 2.52 s, and from 63.26 ± 17.15 to 68.42 ± 15.63 nm, respectively; all P < 0.04). Concerning ocular discomfort symptoms, SPEED score significantly improved at V1 (from 16.63 ± 6.32 to 8.30 ± 5.98; P < 0.001); moreover, treatment tolerability was high for all eight items investigated.ConclusionsTwo-month treatment with Trimix formulation improved objective signs and subjective symptoms in patients with DED, showing also a good tolerability profile.
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