Comparison of topical 0.05% levocabastine and 0.1% lodoxamide in patients with allergic conjunctivitis. Study Group.
PURPOSE: The aim of the study was to assess the efficacy and safety of 0.05% levocabastine eyedrops (H1 receptor blocker given BID + vehicle BID) compared with 0.1% lodoxamide ophthalmic solution (mast-cell stabilizer instilled QID) in reducing ocular signs and symptoms of allergic conjunctivitis. METHODS: A randomized, double-masked, parallel-group study was conducted in seven centres in France, in which 93 patients suffering from seasonal or perennial allergic conjunctivitis were randomly allocated to either 0.05% levocabastine (n = 47) or 0.1% lodoxamide (n = 46) in both eyes for a 14-day period. Efficacy was evaluated by subjective (prickling, burning, photophobia, itching) and objective (redness, chemosis, eyelid edema, tearing) sign scores at visits on days 7 and 14, and from data noted daily by the patient in a self-evaluation form. Safety was assessed as tolerance upon instillation and adverse event reports. RESULTS: The ocular allergy symptom and sign scores were comparable in the two treatment groups at baseline. With time, statistically and clinically significant reductions (p < 0.001) from baseline were observed for the subjective and objective scores, with no difference between the treatment groups. After the first instillation, signs were alleviated more rapidly in levocabastine-treated patients than in the lodoxamide group (p < 0.001). Overall assessments by the patient and investigator were similar in both groups. No serious adverse events were reported. CONCLUSIONS: Levocabastine ophthalmic suspension 0.05% (BID) appears to be as effective and safe as lodoxamide 0.1% (QID) in the management of allergic conjunctivitis.[1]References
- Comparison of topical 0.05% levocabastine and 0.1% lodoxamide in patients with allergic conjunctivitis. Study Group. Richard, C., Trinquand, C., Bloch-Michel, E. European journal of ophthalmology. (1998) [Pubmed]
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