Regulators Look for Biosimilar ‘Scientific Alignment’: FDAer

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CDER Office of New Drugs associate director for therapeutic biologics Leah Christl says that her agency and other major regulators are working toward attaining scientific alignment on biosimilar regulation rather than harmonization. Speaking at the 2016 DIA biosimilars conference, Christl said FDA “avoids using the word harmonization, because harmonization often connotes shared documents and guidelines.” She said that regulators from the European Medicines Agency (EMA), Health Canada, and Japan’s Pharmaceutical and Medical Devices Agency have been working with FDA in a biosimilars cluster to tackle and align the scientific knowledge surrounding biosimilar reviews.

Such scientific alignment is also exemplified, she said, through a program between FDA and the EMA to provide parallel scientific advice. She said FDA ultimately wants the parallel scientific advice meeting to be an opportunity for regulators to meet and discuss their differences in opinion on a specific issue within the development program. Both agencies would individually discuss the package and then meet to discuss prior to a joint meeting with the sponsor, she said. It also could be a forum in which companies could identify key hurdles within a development program and discuss with both FDA and EMA regulators to move past the challenges.

Christl noted that companies interested in marketing biosimilars globally want to maximize the data they have. One of the biggest mistakes a biosimilar company can make, she said, is not envisioning the future of its candidates in the global market. Though a company might not be planning to have its biosimilar approved in a certain global region for several years, Christl said it should still establish a relationship with that region’s regulatory agency early in the development process. She cautioned that companies that don’t continuously integrate advice from various regulators throughout development risk having to provide additional data when they finally approach a regulator for approval.

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