Ponatinib in Patients With Resistant Chronic Phase Chronic Myeloid Leukemia (CML) to Characterize the Efficacy and Safety of a Range of Doses (OPTIC) Locations expanded from 92 to 95 world wide https://clinicaltrials.gov/ct2/show/study/NCT02467270?term=Ponatinib&rank=17&show_locs=Y#locn link to study