Now that ropeginterferon is approved for PV, how do you select patients for this therapy?  

First, I have no conflicts of interest with respect to ropeginterferon (rPegIFN). rPegIFN is a long-acting version (once every two weeks administration) of pegylated interferon (PegIFN) as opposed to once per week, which has been used for decades for the treatment of CML and MPN patients, without ra...