The US Food and Drug Administration's accelerated approval of Karyopharm Therapeutics Inc.'s Xpovio (selinexor) made headlines during the past few weeks over possibility that the agency backed the drug against the advice of its Oncologic Drugs Advisory Committee.
US FDA, Advisory Committees Rarely Disagree
A Milbank Quarterly study and a Pink Sheet analysis show that disagreement between the US FDA and its advisory committee meetings doesn't happen often; it is even rarer for the agency to approve a drug against the advice from a panel.

More from US FDA Performance Tracker
Organizational turmoil has not yet affected reviews of novel agent applications, with Q1 2025 approvals coming in low, but the first quarter share of the entire year is variable.
Sanofi’s Dupixent, Amgen’s Uplizna, and Bristol’s Opdivo seek new indications, while J&J hopes to start a franchise with nipocalimab and Stealth’s day of reckoning approaches.
March features nearly 20 user fee goal dates, including a crowd of novel candidates for crowded areas like hemophilia, heart disease and urinary tract infections, as well as the potentially first therapies for a rare eye disease and hyperphagia of Prader-Willi syndrome.
The US FDA approval of new meningococcal and chikungunya vaccines arrived in time for the 26-28 February meeting of the CDC’s Advisory Committee On Immunization Practices, if political developments allow.
More from Regulatory Trackers
This is an update of recommendations from the European Medicines Agency's Committee for Medicinal Products for Human Use on the authorization of new medicines in the EU, and updates on EU marketing authorization changes recommended by the CHMP.
March features nearly 20 user fee goal dates, including a crowd of novel candidates for crowded areas like hemophilia, heart disease and urinary tract infections, as well as the potentially first therapies for a rare eye disease and hyperphagia of Prader-Willi syndrome.
The European Medicines Agency is set to issue opinions this week on whether pan-EU marketing approval should be granted to a number of new products.