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Pfizer’s Troxyca And The Limits Of Advisory Committee Review For Opioids

 
• By Michael McCaughan and Laura Helbling

FDA approved Pfizer’s oxycodone/naltrexone extended release opioid with abuse deterrent claims similar to Embeda. That isn’t the label FDA’s advisory committee supported.

FDA’s approval of Pfizer’s Troxyca (oxycodone/naltrexone) is a quiet milestone: the first new opioid formulation to clear the agency since FDA updated its policy regarding reviews of the products in light of the prescription drug abuse crisis.

Under FDA’s February opioid action plan, the agency committed to bring most new opioid panels to committee prior...

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More from Approval Standards

Slowdown: US FDA’s 2025 Novel Approvals Are On Below-Average Pace

 
• By Bridget Silverman

US FDA's 25 novel approvals in 2025 fell short of the agency's five-year average count, driven by a drop in drugs center approvals; 45 user fee goals remain in second half of year.

US FDA Asking Questions About Commissioner’s Voucher Program With Details Scarce

 
• By Derrick Gingery

FDA staff are trying to plan for program implementation in the absence of critical eligibility and other details, although guidance may be coming soon.

Bayesian Statistics In EU Clinical Trials: EMA Discusses Balancing Efficiency With Rigor

 
• By Eliza Slawther

Bayesian statistics could help clinical trial sponsors to include external information in their analyses, but concerns around bias and incorrect conclusions remain, the European Medicines Agency said.

Drug Sponsors Can Help Shape Agenda For FDA/EMA Pediatric ‘Cluster’ Calls

 
• By Sue Sutter

Companies can propose specific issues for discussion during the regulators’ monthly teleconferences, which focus on finding areas of agreement and reasons for nonalignment on specific pediatric development plans or general issues.

More from Pathways & Standards

Slowdown: US FDA’s 2025 Novel Approvals Are On Below-Average Pace

 
• By Bridget Silverman

US FDA's 25 novel approvals in 2025 fell short of the agency's five-year average count, driven by a drop in drugs center approvals; 45 user fee goals remain in second half of year.

New US FDA Biologics License Pathway Could Be Missing Link To Reduce Animal Testing

 
• By Bridget Silverman

Akin to the 505(b)(2) NDA, a new biologic pathway could reduce the need for animal testing, FDA toxicologist says. Expanded use of generally accepted scientific knowledge (GASK), which few sponsors have attempted despite a 2023 draft guidance, would also help.

ANDA User Fees: Complex Generics, Transparency, Communications Are Early Negotiation Targets

 
• By Sue Sutter

Teva seeks a dedicated development program and first-cycle approval metrics for complex generics. Role of artificial intelligence in the generic drug review process is a talking point for both agency and industry at reauthorization kickoff meeting.