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Sasinowski FJ, Panico EB, Valentine JE. Quantum of Effectiveness Evidence in FDA's Approval of Orphan Drugs: Update, July 2010 to June 2014. Ther Innov Regul Sci. 2015;49(5):680-697doi: 10.1177/2168479015580383.
Sasinowski, F. J., Panico, E. B., & Valentine, J. E. (2015). Quantum of Effectiveness Evidence in FDA's Approval of Orphan Drugs: Update, July 2010 to June 2014. Therapeutic innovation & regulatory science, 49(5), 680-697. https://doi.org/10.1177/2168479015580383
Sasinowski, Frank J, et al. "Quantum of Effectiveness Evidence in FDA's Approval of Orphan Drugs: Update, July 2010 to June 2014." Therapeutic innovation & regulatory science vol. 49,5 (2015): 680-697. doi: https://doi.org/10.1177/2168479015580383
Sasinowski FJ, Panico EB, Valentine JE. Quantum of Effectiveness Evidence in FDA's Approval of Orphan Drugs: Update, July 2010 to June 2014. Ther Innov Regul Sci. 2015 Sep;49(5):680-697. doi: 10.1177/2168479015580383. PMID: 30227043.
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Ther Innov Regul Sci. 2015 Sep;49(5):680-697. doi: 10.1177/2168479015580383.

Quantum of Effectiveness Evidence in FDA's Approval of Orphan Drugs: Update, July 2010 to June 2014.

Therapeutic innovation & regulatory science

Frank J Sasinowski, Erika B Panico, James E Valentine

Affiliations

  1. 1 Hyman, Phelps & McNamara PC, Washington, DC, USA.
  2. 2 University of Rochester School of Medicine and Dentistry, Rochester, NY, USA.
  3. 3 National Organization for Rare Disorders, Washington, DC, USA.
  4. 4 Chiesi Pharmaceuticals Inc, Frederick, MD, USA.

PMID: 30227043 DOI: 10.1177/2168479015580383

Abstract

BACKGROUND: This study serves as a follow-up to a March 2012 analysis conducted by Frank Sasinowski that reviewed the quantum of effectiveness evidence that is required to secure FDA approval of therapies for rare diseases, or orphan drugs, from the 1983 enactment of the Orphan Drug Act through June 30, 2010. The current study was designed to determine, over the 4 years since the original study, how frequently FDA has required marketing applications of drugs for rare diseases to provide the conventional level of proof of effectiveness that is ordinarily expected for most drugs for prevalent diseases.

METHODS: This study employed methods similar to the original analysis, identifying the noncancer orphan drugs approved as new chemical entities by relying on FDA's publicly available documents for drugs approved by FDA from July 1, 2010, to June 30, 2014. These materials were used to identify the basis for each drug's approval, and each approval was analyzed and classified.

RESULTS: The results of this study show that for just over two-thirds of all noncancer orphan drugs approved between July 1, 2010, and June 30, 2014, FDA did not require the orphan drug applications to provide the conventional level of proof of effectiveness that is ordinarily expected for drugs for prevalent diseases. This is consistent with the results of the 2012 analysis.

CONCLUSIONS: The findings further support that FDA has demonstrated extraordinarily reasonable flexibility in its review of certain applications for orphan drugs and reinforce the need for FDA and drug companies to better understand and discuss the various types of flexibility.

Keywords: FDA; drug approval; effectiveness; flexibility; orphan drug; rare disease

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