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     217  0 Kommentare Nurix Therapeutics Presents Positive Results from Ongoing Clinical Trial of NX-5948 in Patients with Relapsed Refractory Chronic Lymphocytic Leukemia (CLL) at the European Hematology Association Congress (EHA2024)

    Objective response rate of 69.2% observed in heavily pretreated patient population including patients with BTK inhibitor resistance mutations

    Clinical responses in CLL patients were rapid and deepening with longer time on treatment

    Nurix intends to advance NX-5948 into pivotal trial(s) in 2025

    Company will host a webcast conference today, June 16, 2024, at 9:00 a.m. ET (3:00 p.m. CEST)

    SAN FRANCISCO, June 16, 2024 (GLOBE NEWSWIRE) -- Nurix Therapeutics, Inc. (Nasdaq: NRIX), a clinical stage biopharmaceutical company developing targeted protein modulation drugs designed to treat patients with cancer and inflammatory diseases, today announced the presentation of updated clinical data for NX-5948, an orally bioavailable degrader of Bruton’s tyrosine kinase (BTK), being evaluated in an ongoing Phase 1a/b clinical trial in adults with relapsed or refractory B-cell malignancies, including CLL and non-Hodgkin lymphoma (NHL). Dr. Kim Linton, M.B.Ch.B, MRCP, Ph.D., FRCP, senior lecturer at the University of Manchester, a consultant at The Christie NHS Foundation Trust and an investigator on the clinical trial, presented the data in an oral session at the European Hematology Association Congress, which is being held from June 13–16, 2024, in Madrid, Spain.

    “The current results from this study of advanced patients are very impressive for this early stage of development and we are optimistic that NX-5948 has the potential to be an exciting breakthrough for patients with relapsed CLL, particularly in light of the emerging patterns of resistance to the currently available targeted therapies,” said Dr. Linton. “As a clinical investigator, it is highly gratifying to be able to offer patients who are refractory to other therapies a once daily, oral drug that can address a range of CLL disease states.”

    The data presented at EHA include safety findings for all patients in the Phase 1a dose escalation study regardless of diagnosis (n=79) and include efficacy findings for those patients with relapsed or refractory CLL (n=31). Patients were treated with NX-5948 at doses ranging from 50 mg to 600 mg once daily by oral administration. NX-5948 was well tolerated across all doses evaluated with most common treatment emergent adverse events of purpura/contusion, thrombocytopenia and neutropenia. Among the efficacy evaluable patients with CLL (n=26), NX-5948 treatment resulted in a robust objective response rate (ORR) of 69.2% across all doses tested with responses observed as early as the first scan (8 weeks) and with many patients experiencing deepening of their response with longer time on treatment. All responses remained ongoing as of the April 17 data cutoff. This cohort of CLL patients was a heavily pretreated population that had received a median of four prior lines of therapy (range = 2–14) including prior covalent BTK inhibitors (96.8%), prior BCL2 inhibitors (90.3%), and prior non-covalent BTK inhibitors (25.8%). At baseline, a large number of patients had mutations associated with BTK inhibitor resistance including mutations in BTK (43.3%) and PLC2G (20.0%). Poor prognostic features were common including TP53 mutations (46.7%), and two patients (6.5%) had central nervous system (CNS) involvement. Responses were observed across all populations regardless of prior treatment, baseline mutations, or CNS involvement.

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    Nurix Therapeutics Presents Positive Results from Ongoing Clinical Trial of NX-5948 in Patients with Relapsed Refractory Chronic Lymphocytic Leukemia (CLL) at the European Hematology Association Congress (EHA2024) Objective response rate of 69.2% observed in heavily pretreated patient population including patients with BTK inhibitor resistance mutations Clinical responses in CLL patients were rapid and deepening with longer time on treatment Nurix …