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1 H.R. 1520, Purple Book Continuity Act of 2019 1 (May 3, 2019)

handle is hein.congrec/pplbkc0001 and id is 1 raw text is: 



j   Congressional Budget Office
       Cost Estimate


May 3, 2019


Millions of Dollars                 2019             2019-2024             2019-2029
Direct Spending (Outlays)              0                   0                     0


Revenues

Deficit Effect


0

0


0

0


0

0


Under current law, the Food and Drug Administration (FDA) publishes a reference guide for
biological products, Lists of Licensed Biological Products with Reference Product
Exclusivity and Biosimilarity or Interchangeability Evaluations, commonly known as the
Purple Book. H.R. 1520 would codify publication of the Purple Book by FDA, require that
the agency include more detailed information in the compendium, make the data available in
a searchable electronic format, and update it every 30 days.
The Purple Book currently specifies whether a biological product licensed and marketed
under section 351 (k) of the Public Health Service Act (PHS) has been determined by FDA to
be biosimilar to (or interchangeable with) the reference biological product. The Purple Book
also includes the date a biological product was licensed for marketing under 351(a) of the
PHS Act and whether FDA evaluated the biological product for reference product
exclusivity. Information contained in the Purple Book is useful to health care practitioners
and developers of biosimilar or interchangeable products and is updated periodically by
FDA.

H.R. 1520 would require that the FDA proactively determine the reference product
exclusivity for each licensed biological product listed in the Purple Book. The determination
of reference product exclusivity is a complex, resource intensive assessment for the agency
to make; thus, under current law it is generally made either for reasons of regulatory
necessity or because the license holder that submitted the application requested the
determination. The bill also would direct FDA to solicit public comments regarding the type

                See also CBO's Cost Estimates Explained, www cbo.gov/publicationi54437;
  How CBO Prepares Cost Estimates, www.cbo.gov/publicationi53519; and Glossary, www.cbo~govipublication/42904.

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