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. Author manuscript; available in PMC: 2015 Oct 6.
Published in final edited form as: Health Aff (Millwood). 2014 Oct;33(10):1721–1727. doi: 10.1377/hlthaff.2014.0001

Exhibit 3.

Average Quarterly Spending On And Use Of Oral Oncologics Available In The US Market, First Quarter 2006 Through Third Quarter 2011

Category Estimated percent
Spending ($US 2012)
Use (extended units)
Q1–4 2006 average Q4 2010–Q3 2011 average Change Q1–4 2006 average Q4 2010–Q3 2011 average Change
THERAPEUTIC CLASS

Alkylating agents 10.00 7.63 −23.67 3.31 2.10 −36.63
Topoisomerase inhibitors 0.46 0.50 7.88 0.09 0.07 −22.80
Antimetabolites 11.12 12.18 9.54 18.28 17.96 −1.76
Hormonal agents 41.82 19.13 −54.26 73.04 72.79 −0.34
Targeted agents 35.26 59.32 68.26 4.41 6.32 43.11
Other 1.35 1.25 −7.80 0.86 0.76 −11.31

PATENT PROTECTION STATUS DURING STUDY PERIOD

Patent protected throughout 45.30 72.87 60.86 11.65 15.11 29.61
Lost patent protection 37.38 13.19 −64.72 26.39 30.64 16.12
Generic throughout 7.41 3.26 −56.01 61.96 54.36 −12.43

FEE-FOR-SERVICE MEDICARE OUTPATIENT COVERAGE

Medical benefit (Part B) 18.95 18.51 −2.33 7.62 6.84 −10.34
Pharmacy benefit (Part D) 81.05 81.49 0.54 92.38 93.16 0.85

SOURCE Authors’ analysis of data from IMS Health’s National Sales Perspectives and Food and Drug Administration’s approved drug label. NOTES Therapeutic class categories are defined in the notes to Exhibit 1. Extended units are defined in the notes to Exhibit 2.