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  • Title: A randomized, double-masked, placebo-controlled parallel study of 0.2% loteprednol etabonate in patients with seasonal allergic conjunctivitis.
    Author: Dell SJ, Lowry GM, Northcutt JA, Howes J, Novack GD, Hart K.
    Journal: J Allergy Clin Immunol; 1998 Aug; 102(2):251-5. PubMed ID: 9723669.
    Abstract:
    BACKGROUND: Loteprednol etabonate is a site-active corticosteroid with efficacy and safety in treating ocular inflammation at the 0.5% concentration. Evidence from dose-response studies suggested that the 0.2% concentration might be effective in treating ocular allergy. OBJECTIVES: The objective of this study was to evaluate the effects of 0.2% loteprednol etabonate in reducing the signs and symptoms of seasonal allergic conjunctivitis. METHODS: This was a randomized, double-masked, placebo-controlled, parallel-group multicenter study. Patients with signs and symptoms of environmental seasonal allergic conjunctivitis received either loteprednol etabonate or placebo bilaterally four times daily for 42 days. RESULTS: Enrolled were 133 patients (66 receiving loteprednol etahonate; 67 receiving placebo). A reduction in severity was seen in both loteprednol etabonate and placebo groups for bulbar conjunctival injection (1.3 vs 0.9 units on a 0 to 3 scale) and itching (3.5 vs 3.1 units on a 0 to 4 scale) over the first 2 weeks. The treatment effect was -0.5 and -0.6 units in favor of loteprednol etabonate (P < .001). Resolution (the proportion of patients with the sign or symptom no longer present) at visit 4 (day 14) strongly favored loteprednol etabonate-treated patients over placebo-treated patients (31% and 9%, and 54% and 38%, for injection and itching, respectively). Both treatments were well tolerated. No patients in either treatment group (0 for loteprednol etabonate and 0 for vehicle) had an elevation of intraocular pressure of 10 mm Hg or greater during the 6 weeks of treatment. CONCLUSIONS: Loteprenol etabonate (0.2%) was more effective than placebo in the treatment of seasonal allergic conjunctivitis. Loteprednol etabonate (0.2%) had a safety profile comparable to placebo during this 6-week trial.
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