Ropeginterferon for Treatment Free Remission

"1. Investigational arm with Ropeginterferon (50 patients): Patients will be treated with 250 μg at week 0, 350 μg at week 2, and then 500 μg at week 4, and thereafter bi-weekly subcutaneous injection until week 24~2. Comparator arm (50 patients): Patients will be followed with no further CML treatment"