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  • Title: The role of besifloxacin in the treatment of bacterial conjunctivitis.
    Author: Mahvan TD, Hornecker JR, Buckley WA, Clark S.
    Journal: Ann Pharmacother; 2014 May; 48(5):616-25. PubMed ID: 24566460.
    Abstract:
    OBJECTIVE: To evaluate the role of besifloxacin in bacterial conjunctivitis treatment. DATA SOURCES: Searches were made on MEDLINE/PubMed and EMBASE (January 2007 to January 2014) using the terms besifloxacin and Besivance. References from these publications were reviewed for additional resources. Additional information was collected from Bausch & Lomb, the manufacturer of Besivance; www.clinicaltrials.gov; and American Academy of Ophthalmology. STUDY SELECTION AND DATA EXTRACTION: English-language documents were reviewed for pharmacology, pharmacokinetics, efficacy, and safety, with priority on clinical trials. DATA SYNTHESIS: Three large randomized controlled clinical trials established the safety and efficacy of besifloxacin ophthalmic suspension 0.6% compared with placebo or active comparator (moxifloxacin ophthalmic solution 0.5%) given 3 times a day for 5 days for acute bacterial conjunctivitis (BC) treatment. Compared with placebo, besifloxacin had clinically superior bacterial eradication rates and was noninferior to moxifloxacin. Besifloxacin was compared with placebo in 2 randomized, placebo-controlled trials, dosed twice a day for 3 days. Superior efficacy was seen compared with placebo, which supports the shorter dosing schedule. Ophthalmic besifloxacin is well tolerated; the most common adverse effect (conjunctival redness) occurred in 2% of patients. Adverse effects in 1% to 2% of patients included blurred vision, eye pain, eye irritation, eye pruritus, and headache. CONCLUSION: Besifloxacin 0.6% ophthalmic suspension 3 times a day for 5 days is safe and effective for BC. Twice-a-day dosing for 3 days was also effective-a simplified regimen compared with other fluoroquinolones. Disadvantages include price and lack of a generic. Further evaluation is needed to evaluate comparative efficacy among other ocular fluoroquinolones and unlabeled uses.
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