Double-blind, randomised, placebo-controlled study of two concentrations of azelastine eye drops in seasonal allergic conjunctivitis or rhinoconjunctivitis

Current Medical Research and Opinion
G LenhardA Secchi

Abstract

This double-blind, randomised, placebo-controlled study was carried out to assess the efficacy and safety of 0.025% and 0.05% azelastine eye drops twice daily administered for 14 days to patients with seasonal allergic conjunctivitis or rhinoconjunctivitis. A total of 278 patients were recruited and 226 patients were evaluable for per protocol analysis. The target parameter was the response rate. Four eye symptoms, including the main symptom (itching) were recorded by patients in diaries and eight symptoms were assessed by physicians before and after seven and 14 days of treatment. Severity of symptoms was measured on a four-point scale. The response rates for itching (improvement of at least one score point within the first three days) according to patient assessment were 43% for placebo, 52% for 0.025% and 56% for 0.05% azelastine (NS). However, a more objective assessment of the three main eye symptoms by physicians showed a concentration-dependent improvement in response rate compared with placebo (a decrease of > or = 3 points from a baseline total score of > or = 6), which reached statistical significance for 0.05% azelastine on Day 7 (p < 0.002). In the evaluable patient population, the scores of the three main eye sympt...Continue Reading

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Citations

Jan 30, 1999·The British Journal of Ophthalmology·J I McGillA Bacon
Aug 9, 2005·Expert Opinion on Emerging Drugs·Andrea Leonardi
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