Perrigo gets rights to allergy drug from Synthon

14 September 2008

US drugmaker Perrigo has acquired the exclusive US rights to sell and distribute levocetirizine tablets, the generic version of Belgium-based UCB's Xyzal tablets, from Synthon Pharmaceuticals. The latter firm believes it has a first-to-file Abbreviated New Drug Application for the generic that can entitle it to 180 days of generic exclusivity upon approval. Synthon and UCB are currently engaged in Paragraph IV/Hatch-Waxman litigation over the Synthon ANDA filing.

Xyzal is indicated for the treatment of indoor and outdoor allergies. It is estimated that it has annual sales of around $200.0 million and growing at 15% per year, according to data provided by Wolters, Kluwer that was quoted by Perrigo.

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