Tag: Sandoz

1
Fall Brings a Flurry of Biosimilar Approvals: FDA Approves Biosimilars of Enbrel® and Humira®
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Amgen Prevails on Temporarily Excluding Zarxio® From Market
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Zarxio®, First BPCIA Approved Biosimilar, Added to Purple Book
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Dancing Not Required: District Court Denies Amgen’s Bid for Preliminary Injunction, Finds BPCIA “Patent Dance” Optional
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Teva and Its Potential Impact on Patent Litigation
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FDA Accepts First Biosimilar Application Filed Under Section 351(K) of the Public Health Services Act

Fall Brings a Flurry of Biosimilar Approvals: FDA Approves Biosimilars of Enbrel® and Humira®

The United States biosimilars market is beginning to grow, with two recent approvals for biosimilars: Erelzi® and Amjevita®.

On August 30, 2016, the Food & Drug Administration (“FDA”) approved Sandoz’s application for a biosimilar of Enbrel®.  The product is called Erelzi and is the first biosimilar of etanercept to be approved by the FDA.  Like Enbrel, Erelzi is administered by injection and is approved to treat moderate to severe rheumatoid arthritis and moderate to severe plaque psoriasis, among other conditions.  Erelzi is approved as a biosimilar, not interchangeable, product. It is identified as etanercept-szzs.

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Amgen Prevails on Temporarily Excluding Zarxio® From Market

After an unsuccessful attempt to obtain a preliminary injunction against Sandoz Inc.’s (“Sandoz”) Zarxio® in the District Court for the Northern District of California, Amgen Inc. (“Amgen”) has prevailed before the Federal Circuit in excluding the biosimilar from the market, at least temporarily. On May 5, 2015, the Federal Circuit granted Amgen’s motion for an injunction “preventing Sandoz [ ] from marketing, selling, offering for sale, or importing into the United States its FDA-approved ZARXIO® biosimilar product until this Court resolves the appeal.” Amgen Inc. et al. v. Sandoz Inc. et al., Appeal No. 2015-1499, Dkt. 105 (Fed. Cir. March 27, 2015).

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Zarxio®, First BPCIA Approved Biosimilar, Added to Purple Book

In September 2014, the FDA published the first edition of the Purple Book: Lists of Licensed Biological Products with Reference Product Exclusivity and Biosimilarity or Interchangeability Evaluations (“Purple Book”), the biological equivalent of the pharmaceutical Orange Book. See FDA Releases a Purple Book for Biosimilars. The Purple Book has now been updated to include Sandoz, Inc.’s (“Sandoz”), Zarxio® (filgrastim), the United State’s first biosimilar approved under the Biologics Price Competition and Innovation Act (“BPCIA”). See FDA Approves First Biosimilar: Sandoz’s Zarxio®.

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Dancing Not Required: District Court Denies Amgen’s Bid for Preliminary Injunction, Finds BPCIA “Patent Dance” Optional

The biologics industry has been closely monitoring Amgen Inc.’s (“Amgen’s”) lawsuit against Sandoz Inc. (“Sandoz”) for refusing to engage in the BPCIA’s “patent dance” with respect to Sandoz’s application for Zarxio®, a biosimilar of Amgen’s Neupogen® (filgrastim), to see what, if any, guidance the district court would provide on the interpretation of the BPCIA. See Left without a Partner: Amgen Sues Sandoz for Refusing to Dance in Accordance with BPCIA Patent Procedures. This litigation has sparked additional interest in view of FDA’s recent approval of Zarxio®, which has led to industry-wide speculation regarding the litigation’s potential impact on Sandoz’s ability to market its now approved biosimilar. See FDA Approves First Biosimilar: Sandoz’s Zarxio®. The District Court of the Northern District of California has now provided an answer, siding with Sandoz’s interpretation that the BPCIA’s patent dance provisions are optional and the 180 day notice provision does not require licensure, and denying Amgen’s request for a preliminary injunction.

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Teva and Its Potential Impact on Patent Litigation

The Supreme Court recently handed down its 7-2 opinion in Teva Pharmaceuticals USA, Inc. v. Sandoz, Inc. The case involved a Federal Circuit review of a district court’s determination that Teva’s patent claims were not indefinite with respect to the phrase “molecular weight.” During trial, the District Court construed the phrase “molecular weight” by considering expert declarations from both parties relating to different ways to calculate a molecular weight, and how the specification supported or conflicted with each of the ways to calculate molecular weight. The District Court credited Teva’s expert declaration at the expense of Sandoz’s expert declaration.

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FDA Accepts First Biosimilar Application Filed Under Section 351(K) of the Public Health Services Act

On 24 July 2014, over four years after the enactment of the Biologics Price Competition and Innovation Act, the FDA accepted its first biosimilar application from Sandoz Inc. (Sandoz). Sandoz’s application is for a biosimilar version of Amgen Inc.’s (Amgen) Neupogen® (filgrastim). Neupogen® is a pharmaceutical analog of human granulocyte colony stimulating factor that is used to treat neutropenia, a condition where the body does not make enough neutrophils, a type of white blood cell. Amgen’s Neuprogen® is indicated for use by patients receiving strong chemotherapy to reduce their risk of infection.  Read More

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