Pink Sheet reporter and editors discuss the potential fallout if the US FDA’s rare pediatric disease priority review voucher program is allowed to sunset, as well as an upcoming agency advisory committee meeting on potentially banning compounding of the active ingredient in the now-withdrawn pre-term birth prevention drug Makena.

Covis’ preterm birth prevention drug was withdrawn in April 2023. The agency now is considering whether hydroxyprogesterone caproate should be added to the list of products withdrawn or removed from the market after being found to be unsafe or not effective.

The US FDA’s Genetic Metabolic Diseases Advisory Committee will comprise three regular voting members and 13 temporary members, including some adcomm veterans, when it reviews Zevra Denmark’s arimoclomol for Niemann-Pick disease type C.

Relyvrio/Albrioza, Amylyx’s ill-fated treatment for amyotrophic lateral sclerosis, was approved for marketing by the US Food and Drug Administration but rejected by the European Medicines Agency. The Pink Sheet explores how the two agencies applied the available regulatory flexibilities and the impact of other factors, such as regulatory precedence and patient influence, on decision-making.