Rare disease advocates want Congress to initiate a process that could result in a formal definition for an ultra-rare disease and additional incentives for drug development in the space.
Ultra-Rare Orphan Drugs: Advocates Begin Laying Groundwork For New Incentive, Special Pathway
Rare disease advocates push for National Academies of Sciences, Engineering and Medicine study on how or whether ultra-rare should be defined, which could create legislative pressure. In an interview, Ultragenyx CEO Emil Kakkis suggests patient thresholds, accelerated approval triggers.

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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.
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