Healthcare cost of HER2-positive and negative breast tumors in the United States (2012−2035)

Publication date: Available online 24 August 2017
Source:Cancer Treatment Reviews
Author(s): Francesca Tartari, Matteo Santoni, Mirco Pistelli, Rossana Berardi
BackgroundIn this study, we estimated the current and future costs related to the use of targeted agents in patients with HER2-positive and negative advanced breast cancer (BC), aimed at identifying the subgroup associated with the higher cost in the coming years.MethodsWe calculated the patient cost considering an ideal patient who received therapeutic sequences including all approved agents for HER2-positive or negative BC. The duration of treatment was estimated by the median Progression-Free Survival (PFS) reported in the phase III trials which have led to the approval of these drugs by the US Food and Drug Administration. The estimated number of BC patients in the US from 2012 to 2035 refers to data published by the World Health Organization.ResultsThe per patient cost was $292,155 for HER2-positive and $224,955 for negative tumors, respectively. The total cost for HER2-positive patients was estimated for 2012 at $2,719,542,347, with an annual increase ranged from 4.3 (for 2035) to 7.7% (for 2020), leading to a total expense of $3,648,232,975 in 2035. Otherwise, the total cost for HER2-negative patients in 2012 was estimated as $8,376,028,459, with an increase of more than $2.5 billion from 2012 to 2035. The estimated cost for HER2-negative patients was $5.6 billion higher that for HER2-positive tumors, raising to $7.6 billion to 2035.ConclusionsOur data strongly suggest that cost-analyses should be carefully evaluated in the coming years, in particular in patients with HER2-negative tumors.



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