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    Neurotrophic keratitis treatment gains orphan drug designation


    Milan—The FDA has designated Dompé’s rhNGF (recombinant human nerve growth factor) as an orphan drug for the treatment of neurotrophic keratitis.

    This is the second orphan drug designation by the FDA for rhNGF, after the recent designation for the treatment of retinitis pigmentosa.

    The drug is currently in advanced stages of experimentation for neurotrophic keratitis in the REPARO study. The randomized, double-blind study includes 39 centers in nine European countries—Italy, Great Britain, Germany, France, Belgium, Spain, Portugal, Poland, and Hungary—and involves patients suffering from unilateral neurotrophic keratitis with grade 2 lesions (persistent epithelial defect) or grade 3 lesions (corneal ulcers) that do not respond to the currently available medical treatment.

    The goal of the trial is to examine the safety, tolerability, and effectiveness of two different doses of rhNGF compared with placebo. The more than 170 patients enrolled in the study are divided into three different groups, treated respectively with two different doses of the treatment and with placebo. The secondary objectives include the evaluation of corneal lesion healing, improvement in visual acuity, and the sensitivity of the cornea.

    Rose Schneider Krivich
    Rose is the content specialist for Medical Economics.

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