US FDA’s Transfer Policy For Orphan Drug Designation Under Scrutiny

Braeburn Pharmaceuticals says awarding Indivior’s opioid use disorder treatment Sublocade seven-year orphan exclusivity that flows from a 1994 orphan drug designation for Subutex would be an abuse of the system. The US FDA said it is carefully considering whether Sublocade qualifies for exclusivity ‘within the context of the opioid public health emergency.’