GDUFA Research Helped Product-Specific Guidances: Report

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In an FY 2025 GDUFA Science and Research Report, GDUFA Science and Research Program joint directors Iilun Murphy and Michael Kopcha say extended GDUFA-funded research on bioequivalence (BE) risk assessments and Biopharmaceutics Classification System classification supported the FY 2025 publication of over 800 product-specific guidances that aligned FDA’s BE recommendations with newly adopted International Council on Harmonization standards for immediate-release solid oral dosage forms. In addition, the two say, GDUFA research allowed FDA to evaluate whether proposed BE approaches in pre-ANDA product development meetings are likely to be suitable.

Agency approval of the first generic liraglutide injection (referencing Novo Nordisk’s Victoza) and approval of additional generic liraglutide injections and the first generic liraglutide injection referencing Novo Nordisk’s Saxenda were facilitated by GDUFA research focused on developing analytical and in silico approaches to accurately characterize the molecular structure and impurity profiles of peptide drugs such as them, the report says.

The report describes active research projects and outcomes in the eight priority research areas for FY 2025 — impurities, complex active pharmaceutical ingredients, complex dosage forms and formulations, complex routes of delivery, drug/device combination products, oral products, quantitative methods and models, and data analytics and artificial intelligence — and other generic drug research.

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