David Chang
Analyst · JMP Securities. Your line is open.
So, you know, all three great questions. You know, the question about the 607, you know, this is drug core development, where we have to demonstrate the contribution of 647 to lymphodepletion. This is an area that we have, at this point, more than enough data sets coming from both CD19 501, 5018 program as well as multiple myeloma program. Certainly, you know, there is a possibility of, you know, study failure, but all the information that we have right now, you know, you know, we feel very comfortable and confident that the study will demonstrate the contribution of six or seven in a meaningful way. And the second question, this is something that we frequently have a discussion internally, it's just switches, really, how can we best leverage the potential benefit of 507, not just in our own or – I was in a setting, but to extend to, you know, other settings such as autologous, I will not rule that out. But for now, you know, our main focus is optimizing the use of 647. And also, in some of our studies, we are trying to see whether we can tease out and lower the chemotherapy based lymphodepletion, you know, moving more towards the biologic participation, which we find to have several benefits. So, that will be our initial attention. But certainly your question of, you know, can this be used in autologous setting is something that we are also looking into, but that will not be immediate? And third question I'm going to ask, Eric to respond to.