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Allergan Confirms Generic Noxafil® Patent Challenge

12-Aug-2015 | Source : AG-IP News | Visits : 3826
DUBLIN - Allergan plc confirmed that it has filed an Abbreviated New Drug Application (ANDA) with the US Food and Drug Administration (FDA) seeking approval to market Posaconazole Delayed-Release Tablets, 100mg. Allergan's ANDA product is a generic version of Merck's Noxafil®which is an antifungal agent indicated for prophylaxis of invasive Aspergillus and Candida infections in patients, 13 years of age and older, who are at high-risk of developing these infections due to being severely immunocompromised, such as hematopoietic stem cell transplantation recipients with graft-versus-host disease or those with hematologic malignancies with prolonged neutropenia from chemotherapy.

According to a press release by the company, Merck Sharp & Dohme Corp. filed suit against Allergan on August 6, 2015 in the US District Court for the District of New Jersey seeking to prevent Allergan from commercializing its ANDA product prior to the expiration of US Patent No. 5,661,151. The lawsuit was filed under the provisions of the Hatch-Waxman Act, resulting in a stay of final FDA approval of Allergan's ANDA for up to 30 months from the date the plaintiffs received notice of Allergan'sANDA filing or until final resolution of the matter before the court, whichever occurs sooner, subject to any other exclusivities.

Based on available information, Allergan believes it may be a "first applicant" to file an ANDA for the generic version of Noxafil® and, should its ANDA be approved, may be entitled to 180 days of generic market exclusivity.
For the 12 months ending June 30, 2015, Noxafil® had global sales of approximately $143.6 million, according toIMS Health data.

Allergan plc, headquartered in Dublin, Ireland, is a unique, global pharmaceutical company and a leader in a new industry model – Growth Pharma.  Allergan is focused on developing, manufacturing and commercializing innovative branded pharmaceuticals, high-quality generic and over-the-counter medicines and biologic products for patients around the world. 
 
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