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Journal Articles Thérapie Year : 2016

Early adherence to anti-glaucoma therapy: An observational study

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Abstract

OBJECTIVES: Glaucoma is a major cause of blindness, preventable by a regular therapy. Thus, a good knowledge of patients' adherence to preventive therapy is critical to improve disease management. Early persistence to first-line glaucoma therapy is poorly documented in France. We verified to what extent first-line glaucoma therapy was interrupted within the 12 months following initiation and how this interruption varied with patients' characteristics and drug classes. METHODS: Patients newly-treated with chronic glaucoma therapy (prostaglandins, beta-blockers alone or combined with another therapy, and topical carbonic anhydrase inhibitors) between 2005 and 2008 were identified in the French National Claims data (1/97th random sample). Twelve-month persistence was defined by the presence of the first-line drug class (>=1dispensation) between the 12th and 24th months following initiation. Twelve-month persistence was compared between patients according to the first-line drug classes and baseline characteristics. Proportion of days covered (12 months) and number of quarters with initiated drug class (24 months) were also studied. RESULTS: Among 5331 patients initiated with chronic glaucoma therapy in monotherapy (63% aged >=60 years old, 57% females), initiated therapy mainly consisted of prostaglandins (43%) and beta-blockers alone (32%). Only 45% of the patients were persistent to first-line therapy 12 months after initiation. Salient differences in persistence rates appeared between drug classes (P\\textless0.0001): from 59% with prostaglandins to 26% for topical carbonic anhydrase inhibitors. Better results also appeared for prostaglandins with other dimensions of adherence. Non-persistent patients were more likely younger than 40, or conversely aged>=80 (P\\textless0.0001). They were also more likely to necessitate social assistance for therapy (P=0.0007). No salient difference appeared as to gender. CONCLUSIONS: Our findings confirm the low early persistence of first-line therapy, despite better results for prostaglandins. Education of patients and identification of barriers to adherence could contribute to improve quality of care.
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Dates and versions

hal-01838971 , version 1 (13-07-2018)

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Manon Belhassen, L. Laforest, Idlir Licaj, Éric van Ganse. Early adherence to anti-glaucoma therapy: An observational study. Thérapie, 2016, 71 (5), pp.491-499. ⟨10.1016/j.therap.2016.02.033⟩. ⟨hal-01838971⟩

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