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Latest From Sue Sutter
Post hoc data from a long-term safety study of Samsung’s trastuzumab biosimilar and Genentech’s reference product suggest event-free survival rates differ based on a shift in one of Herceptin’s key quality attributes; Genentech said it proactively alerted health authorities when the shift was detected and the evidence does not indicate a clinical impact on patient outcomes.
New draft guidance on statistical approaches eliminates previous recommendations on tiered ranking and statistical equivalence testing of product quality attributes, giving biosimilar sponsors more flexibility.
Academic institutions confused about agency standards are overly cautious in requiring early-phase studies be conducted under full GMPs, experts say; CBER Director Marks highlights regulatory flexibility but cautions that formal written guidance could be misused by those in stem cell industry.
US FDA advisory committee finds merit in each of four industry-suggested alternative approaches to the current paradigm for assessing the impact of renal impairment on drug exposures; agency's own 2010 draft guidance does not reflect its current thinking on the design of dedicated pharmacokinetic studies.
Approaches suggested at a US FDA public hearing include allowing follow-on insulins to take a direct route to interchangeability without first having to be approved as biosimilars, and automatically declaring biosimilar insulins interchangeable with one or more reference products.
US FDA assessment of proposed biosimilar and interchangeable insulins in existing delivery forms should be separate from a future determination of whether the products can be safely used as part of a digitally connected treatment system, Lilly says. FDA, AAM representatives suggest this ecosystem approach could become a barrier to access for follow-on products.