In vivo study | KPT-8602 has Oral activity, and selinexor has similar pharmacokinetic activity, but the blood brain barrier penetration is significantly reduced. Toxicity tests in rats and monkeys showed that KPT-8602 was safe and well tolerated, possibly due to its inability to penetrate the blood-brain barrier into the central nervous system, anorexia, restlessness, there was a decrease in the symptoms of weight loss. KPT-8602 had better anti-leukemic activity and better tolerability in the AML PDX model. In the AML-CN model, almost complete elimination was achieved for human AML cells. KPT-8602 has little toxicity to normal hematopoietic stem cells and progenitor cells. After repeated dosing, KPT-8602 did not accumulate in plasma and prolonged the survival of the human leukemia xenograft model. |