FTC just plain wrong on biosimilar naming

  • by: |
  • 10/31/2015

In a comment filed in response to FDA's proposal, the FTC said distinct suffixes could lead physicians to believe biosimilars differ from their reference products in clinically meaningful ways.

This is precisely what was expected after the FTC’s February 2014 hearing on the topic – the one where the FDA wasn’t invited to testify. If there had been an FDA speaker, there might have been appropriate comments about the FDA's Pharmaceutical Science and Clinical Pharmacology Advisory Committee that debated and determined that the bioequivalence specifications should be tightened for, among other categories, generic versions of epilepsy medications – and that FDA officials presenting at that adcomm signaled strong agency support for the move.

The FTC even ignored it’s own expert commentary. In it’s 1979 report on generic drug substitution, the FTC concluded, “increased communication (as well as lower prices) may explain why most pharmacists report that product selection laws have had a positive effect on their relations with patients”

Safety and trust and exactly why differential naming is needed. As Sumant Ramachandra, Senior Vice President & Chief Scientific Officer of the biosimilar manufacturer Hospira, said at the FTC hearing, “Communications fosters confidence.”

The facts speak for themselves (even if they didn’t get a chance at the FTC event). A poster presentation from the European Crohn’s and Colitis Organisation, titled, “Biosimilar but not the same,” offers some timely and important real-world data on the differences between originator biologics and their biosimilar cousins.

The study, from Mercy University Hospital, University College Cork, Centre for Gastroenterology, Mercy University Hospital, Cork, Ireland, studied the clinical impact of both the innovator product (Remicade) and it’s EMA-approved biosimilar (Inflectra). The findings are important. Specifically, the rates of surgery in Infliximab and Inflectra groups were significantly different.

80% of the Inflectra group required hospital readmission versus 5% of the infliximab (Remicade) group. (p=0.00004). 60% of patients in the Inflectra group needed steroid augmentation of standard steroid tapering protocol with 50% requiring multiple increases in steroid dose versus 8% of patients in the Infliximab (p-value = 0.0007). Over the course of 8 weeks, 93% of patients in the Inflectra group had an increase in CRP with 7% remaining unchanged whereas 100% of patients in the infliximab group had a decrease in CRP (p=<0.001).

The conclusion is not ambiguous, “Our results suggest that biosimilars may not be as efficacious as the reference medicine. The results found reflect the ECCO statement position that the use of most biosimilars in IBD will require testing in this particular patient population and cannot be extrapolated from other disease populations."

The complete poster can be found here.

These First World data points about a product from a respected manufacturer (Hospira) cannot be ignored and must be used to inform the policy debate over nomenclature, interchangeability, label extrapolations, and overall pharmacovigilance practices.

Does the FTC believe that safety and outcomes are a constraint to competition?

That’s a comment worth repeating.

CMPI

Center for Medicine in the Public Interest is a nonprofit, non-partisan organization promoting innovative solutions that advance medical progress, reduce health disparities, extend life and make health care more affordable, preventive and patient-centered. CMPI also provides the public, policymakers and the media a reliable source of independent scientific analysis on issues ranging from personalized medicine, food and drug safety, health care reform and comparative effectiveness.

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