Generic Abuse-Deterrent Opioids: Comparison To Brand Will Not Require Use Of Control

FDA final guidance recommends comparative pharmacodynamic studies for nasal and oral routes of abuse, simplifies statistical approach to show deterrence of generic is same as brand.

Hydrocodone prescription bottle. Hydrocodone is a generic medication name and label was created by photographer.

FDA has heeded the advice of stakeholders and eliminated its recommendation that manufacturers of generic abuse-deterrent opioids compare the brand to a control product for certain studies.

The agency's draft guidance to assist industry in developing generic versions of approved abuse-deterrent formulations (ADFs) advised that for certain comparative studies, such as extractability studies, discriminatory conditions should be...

Read the full article – start your free trial today!

Join thousands of industry professionals who rely on Pink Sheet for daily insights

  • Start your 7-day free trial
  • Explore trusted news, analysis, and insights
  • Access comprehensive global coverage
  • Enjoy instant access – no credit card required

More from US FDA

Pink Sheet Podcast: US FDA’s Big Vaccine Policy Week

Pink Sheet reporter and editors discuss the new clinical trial requirements that the FDA announced for COVID-19 vaccines, the updated label for Novavax’s newly approved COVID-19 vaccine, and other vaccine-related events that were part of a busy week for policy in the sector.

US FDA Punts On New COVID-19 Framework’s Impact On Fall Shots

 

The FDA’s advisors split on whether to update COVID-19 vaccines for the fall. The agency refused to discuss the impact of the new vaccine framework on availability.

Non-User Fee Dollars Increased In US FDA’s Updated FY 2026 Budget Request

 

The budget authority total, which is significantly higher than the amount floated in an April OMB draft document, suggests there may have been successful lobbying to increase FDA funding.

Legal, Process Problems May Plague New US FDA COVID-19 Vaccine Policy

 

The FDA may have violated laws and regulations along with many norms in how it released its planned changes for COVID-19 vaccine approvals.

More from Agency Leadership