1. Pink Sheet
  2. >>Regulatory Trackers
  3. >>US FDA Performance Tracker

Taking Biosimilars Down A PEG: Why Copying Neulasta Isn’t So Easy

 
• By Michael McCaughan

Biosimilar sponsors are 0-3 so far in attempts to win US FDA approval for copies of Amgen’s pegfilgrastim (Neulasta). FDA’s recent review of a novel clotting factor formulation offers a clue why it is turning out to be harder than it seems to copy a pegylated protein.

Square-peg-round-hole_149248682

When the biosimilar pathway was enacted in the US, there were some shared assumptions about which products might be first to win FDA approval using the abbreviated pathway, and which might take more time.

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
Start Free Trial

Already a subscriber?

More from US FDA Performance Tracker

More from Regulatory Trackers

‘Pipeline In A Pill’ Or Pipe Dream? US FDA’s April Goal Dates Test Expansion Strategies

 
• By Bridget Silverman

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.

Global Pharma Guidance Tracker – February 2025

 
• By Vibha Sharma and Anabel Costa-Ferreira

Stay up to date on regulatory guidelines from around the world with the Pink Sheet's Guidance Tracker. The complete Global Pharma Guidance Tracker, with sortable and searchable listings going back to 2014, is available online.

EU CHMP Opinions And MAA Updates

 
• By Neena Brizmohun

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.