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FDA Approves Fifth Biosimilar of HERCEPTIN

Today, June 13, 2019, the U.S. FDA approved Amgen’s aBLA for KANJINTI (trastuzumab-anns), a biosimilar of Genentech’s HERCEPTIN. According to its approved package insert, KANJINTI, like its reference product, is indicated for the treatment of HER2 overexpressing breast cancer and the treatment of HER2 overexpressing metastatic gastric or gastroesophageal junction…

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Fresenius Kabi Files a Petition For Inter Partes Review of Amgen’s Pegfilgrastim Patent

On June 8, 2019, Fresenius Kabi filed a petition for inter partes review challenging the validity of U.S. Patent No. 9,643,997, entitled “Capture purification processes for proteins expressed in a non-mammalian system.”  The challenged claims in the patent, owned by Amgen Inc., relate to processes for purifying recombinant proteins expressed in a…

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Prescription Drug Prices Continue to Rise Despite Generics and Biosimilars

A recent analysis reveals that prescription drug prices continue to increase — even for drugs with FDA-approved therapeutic equivalents or biosimilar products. Dr. Nathan Wineinger evaluated the change in prescription drug prices over a 6-year period for the 49 top-selling brand-name medications in the United States. The price of 48…

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May 2019 FDA Guidance on Interchangeability Now Available

This month the FDA published its Guidance for Industry titled “Considerations in Demonstrating Interchangeability With a Reference Product”.  The guidance is “intended to assist sponsors in demonstrating that a proposed therapeutic protein product is interchangeable with a reference product for the purposes of submitting a marketing application or supplement under…

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Insulin Biosimilars Update

Some noteworthy regulatory and litigation events related to insulin biosimilars have occurred recently. On May 13, 2019, FDA held a public hearing entitled “The Future of Insulin Biosimilars: Increasing Access and Facilitating the Efficient Development of Biosimilar and Interchangeable Insulin Products” at FDA’s White Oak campus in Silver Spring, Maryland. …

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AbbVie and Boehringer Ingelheim Settle Adalimumab Biosimilar Patent Disputes

Today, AbbVie and Boehringer Ingelheim (“BI”) announced that they reached a resolution of all intellectual property-related litigation concerning BI’s proposed biosimilar Cyltezo® (adalimumab-adbm).  According to the press releases, AbbVie has granted BI a non-exclusive license to AbbVie’s intellectual property relating to adalimumab in the United States.  All U.S. litigation pending between the parties…

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