https://www.selleckchem.com/pr....oducts/vorolanib.htm
To evaluate the prevalence and risk factors of migraine progression and to assess the incremental burden of migraine progression on healthcare systems. Adult patients were required to have a migraine diagnosis in IQVIA's US adjudicated claims database between 1 January 2012 and 30 June 2016, continuous enrollment ≥12 months before and after the index date (i.e. the first observed migraine diagnosis), and ≥1 additional migraine diagnosis claim during the 12-month post-index period. A previously-developed algorithm identified patients w