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    Home > Active Ingredient News > Blood System > Blood: The new drug for leukemia! Recombinant Irving bacterium asparagine enzyme JZP458 Phase 2/3 test results are effective and safe!

    Blood: The new drug for leukemia! Recombinant Irving bacterium asparagine enzyme JZP458 Phase 2/3 test results are effective and safe!

    • Last Update: 2022-10-12
    • Source: Internet
    • Author: User
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    Asparaginase is a bacterial protein that has been used to treat acute lymphoblastic leukemia (ALL) and lymphocytic lymphoma (LBL) and has high potential for sensitization and immunogenicity


    AALL1931 is a Phase 2/3 study conducted in collaboration with the Pediatric Oncology Gene Association to evaluate the efficacy and safety


    Replace asparaginase


    A total of 167 patients were enrolled: Cohort 1a (n=33), Cohort 1b (n=83), and Cohort 1c (n=51).



    The mean SAA levels (IU/mL) for the 72nd hour of Cohort 1a, Cohort 1b, and Cohort 1c were 0.


    Grade 3/4 treatment-related adverse events (TRAEs) occurred in 86/167 (51%) patients with TRAEs that led to treatment interruption included pancreatitis (6%), anaphylaxis (5%), elevated alanine aminotransferase (1%), and hyperammonia (1%)


    Overall, the findings show that JZP458 (intramuscular injection) of the Monday/Wednesday/Friday 25/25/50 mg/m2 dose regimen is effective in patients with acute lymphoblastic leukemia/lymphoblastic lymphoma, and its safety is consistent


    Original Source:

    Maese Luke D,Loh Mignon L,Choi Mi Rim et al.


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