Lisaftoclax is a new BCL2 inhibitor that has a very different pharmacokinetic profile compared to venetoclax. In particular, it’s got a very short half-life and a high level of Cmax, which basically allows it to kill CLL cells quickly, but then not linger in the body and cause tumor lysis syndrome. And so from the early development of lisaftoclax, it was actually developed with a rapid ramp up over five days...
Lisaftoclax is a new BCL2 inhibitor that has a very different pharmacokinetic profile compared to venetoclax. In particular, it’s got a very short half-life and a high level of Cmax, which basically allows it to kill CLL cells quickly, but then not linger in the body and cause tumor lysis syndrome. And so from the early development of lisaftoclax, it was actually developed with a rapid ramp up over five days. And in the early phase data, combining lisaftoclax with acalabrutinib looked very good in terms of high rates of response. And so that early study led to the design of the GLORA trial, which we’re presenting as a trials in progress abstract here at EHA. And really this is a study where we’re taking patients already on acalabrutinib and we’re adding lisaftoclax to see if that provides additional PFS benefit compared to just continuing on acalabrutinib in the control arm. And so, you know, this study is ongoing, it’s actively recruiting, but hopefully will help us to answer the question of whether this kind of doublet based therapy is better than a single agent BTK inhibitor in the relapsed population. And because lisaftoclax has the favorable ramp up with a five-day ramp up, it may have some logistical advantages over venetoclax which has the five-week ramp up.
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