Journal
GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY
Volume 261, Issue 6, Pages 1659-1668Publisher
SPRINGER
DOI: 10.1007/s00417-022-05947-5
Keywords
Glaucoma; Quality of life; Neuroprotection; Citicoline
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This study aimed to determine if citicoline oral solution could improve the quality of life in patients with chronic open-angle glaucoma. A randomized, double-masked, placebo-controlled, cross-over study was conducted. The primary outcome was the change in the intra-patient composite score of the Visual Function Questionnaire-25 (VFQ-25) after citicoline oral solution vs placebo at the 6-month visit compared to baseline.
PurposeThis study aims to evaluate whether the use of citicoline oral solution could improve quality of life in patients with chronic open-angle glaucoma (OAG).DesignRandomized, double-masked, placebo-controlled, cross-over study was used. Patients were randomized to one of the two sequences: either citicoline 500 mg/day oral solution-placebo or placebo-citicoline 500 mg/day oral solution. Switch of treatments was done after 3 months; patients were then followed for other 6 months. Follow-up included 3-month, 6-month, and 9-month visits.OutcomesThe primary outcome was the mean change of intra-patient composite score of the Visual Function Questionnaire-25 (VFQ-25)(.) after citicoline oral solution vs placebo at 6-month visit as compared with baseline.MethodsThe trial was multicenter, conducted at 5 European Eye Clinics. OAG patients with bilateral visual field damage, a mean deviation (MD) ranging from - 5 to - 13 dB in the better eye, and controlled IOP were included. VFQ-25 and SF-36 questionnaires were administered at baseline and at 3-, 6-, and 9-month visits. A mixed effect model, with a random effect on the intercept, accounted for correlations among serial measurements on each subject.ResultsThe primary pre-specified outcome of the analysis reached statistical significance (p = 0.0413), showing greater improvement after citicoline oral solution. There was an increase in the composite score in both arms compared to baseline, but it was significant only for the placebo-citicoline arm (p = 0.0096, p = 0.0007, and p = 0.0006 for the three time-points compared to baseline). The effect of citicoline was stronger in patients with vision-related quality of life more affected by glaucoma at baseline.ConclusionsThis is the first placebo-controlled clinical study evaluating the effect of a medical treatment aiming at improving vision-related quality of life in glaucomatous patients.
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