The Institute for Clinical & Economic Review advisory panel review of gene therapies from BioMarin Pharmaceutical Inc. and CSL Behring for hemophilia demonstrate that the therapies may face a cautious patient community and restrictive interpretations by payers of the FDA label.
ICER Hemophilia Gene Therapy Reviews Show Clear ‘Net Health Benefit’ But Caution On Patient, Payer Fronts Given Upfront Costs
Restrictive interpretations of FDA labels for BioMarin and CSL Behring products by payers could signal slow launch of gene therapies seeking to supplant existing treatments.

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Cell and gene therapy manufacturers must consider the practicalities of their product within the context of a health care system before it comes onto the market to be successful, experts from Novartis, AstraZeneca and England’s National Health Service say.
A risk-based approach to human cell therapies and tissue-based products could incentivize development and prevent bad actors from taking advantage of the current FDA system.
Experts working in the advanced therapy space say the US has less strict criteria for regulatory pathways for cell and gene therapies than the EU, particularly for products in early development.
Not all companies will be able to access joint scientific consultations under the EU Health Technology Assessment Regulation, but success is still possible for those that engage with national agencies early on, says EUCOPE’s Alexander Natz.
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US FDA Commissioner nominee Martin Makary is being embraced by industry, and Senate Democrats, as a more traditional pick than other Trump Administration nominees, but the Make America Healthy Again agenda still is clearly coming to the agency.
Not all companies will be able to access joint scientific consultations under the EU Health Technology Assessment Regulation, but success is still possible for those that engage with national agencies early on, says EUCOPE’s Alexander Natz.
Payers and health technology assessment bodies in the Netherlands, Germany and Italy are either unwilling to use real-world data in assessments or cannot due to their existing frameworks, say representatives from Gilead Sciences and Autolus Therapeutics.