Welcome to the Big Molecule Watch!

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Goodwin’s award-winning Big Molecule Watch is the best resource for daily updates and analyses of regulatory issues, litigation, legislation, and other news in the world of biologics, biosimilars and related technologies. The editors of this blog have collectively been watching and engaging with the world of biologics and biosimilars (“big molecules”) since before the inception of the biosimilar industry in the U.S.  With extensive experience representing clients at all stages of a biologic’s or biosimilar’s lifecycle, from research and development, to patents, to regulatory application and approval, and through litigation and appeals, we are excited to share our observations and insights as the industry and the law continues to develop in this exciting area.

This blog focuses on “big molecules” as opposed to “small molecules.” Small molecule drugs have low molecular weight, a simple and well-defined structure, and are chemically synthesized. In contrast, “big molecule” drugs have high molecular weight, complex structures, and are derived from living organisms. For example, aspirin is small molecule while a monoclonal antibody is a big molecule. For further reading on big molecules, consider FDA's resources on biologics.

Regeneron v. Mylan - Update on Aflibercept BPCIA Litigation

As we previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding on an expedited schedule, with a two-week trial scheduled to begin on June 12, 2023, less than a year from Regeneron’s filing of its complaint in August 2022.  The Court’s scheduling order, issued in October…

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Celltrion Confirms Bioequivalence for CT-P39 Against Xolair in Interim Results of Phase 3 Study

On April 10, 2023, Celltrion confirmed the bioequivalence of CT-P39 to treat allergic asthma and chronic urticaria, through its interim results from its global phase 3 clinical trials at 24 weeks.  CT-P39 is a biosimilar referencing Xolair (ingredient: omalizumab), which is an antibody biopharmaceutical that treats allergic asthma, chronic urticaria,…

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Accord BioPharma Announces the Acceptance of BLA for HLX02 (a proposed trastuzumab biosimilar) by FDA

On April 5, 2023, Accord BioPharma announced that the FDA has accepted the Biologics License Application (BLA) for HLX02 referencing HERCEPTIN (trastuzumab) for adjuvant treatment of HER2-overexpressing breast cancer and treatments of HER-2 overexpressing metastatic breast cancer and metastatic gastric or gastroesophageal junction adenocarcinoma. The BLA submission included results from…

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REMICADE Antitrust Settlement Receives Final Approval

In 2017, three indirect-purchaser antitrust class actions were filed against Johnson & Johnson and Janssen Biotech, Inc., alleging that they engaged in anticompetitive conduct relating to the sale and marketing of J&J’s REMICADE (infliximab).  The class actions were brought by employee welfare benefit plans, specifically the National Employees Health Plan,…

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Update on Arbutus mRNA Vaccine Patent Litigations

Last week, Arbutus Biopharma Corp. and Genevant Sciences GmbH (collectively, Arbutus) filed a complaint for patent infringement in the District of New Jersey against Pfizer, Inc. and BioNTech SE. Arbutus/Genevant allege that Pfizer/BioNTech’s COVID-19 vaccine and any COVID-19 mRNA LNP vaccine products infringe five Arbutus/Genevant patents “relating to nucleic acid-lipid…

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CMS Issues Guidance and Solicits Comment on the 2026 Inflation Reduction Act Part D Negotiation Process

On April 5, 2023, Goodwin’s Matt Wetzel and Heath Ingram published a client alert addressing the initial guidance memorandum issued by the Centers for Medicare & Medicaid Services (CMS) on the Medicare Drug Price Negotiation Program created by the Inflation Reduction Act of 2022. Public comments are due to CMS…

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Celltrion Announces Phase III Results for Aflibercept Biosimilar

On April 3, 2023, Celltrion announced positive 24-week results from its global Phase III Clinical Trial of CT-P42 (aflibercept), a biosimilar referencing Regeneron’s EYLEA.  The trial is a 52-week trial in 348 patients with diabetic macular edema (DME) across thirteen countries. The primary endpoint was the change in best corrected…

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White House Announces “Bold Goals” for Biotech

In a report entitled “Bold Goals for U.S. Biotechnology and Biomanufacturing,” the White House recently announced several biotech-related “bold goals” to advance the environmental, agricultural, economic, health, and science fields.  The publication follows President Biden’s Sept. 12, 2022 Executive Order on “Advancing Biotechnology and Biomanufacturing Innovation for a Sustainable, Safe,…

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