重组抗RANKL全人单克隆抗体注射液治疗实体瘤骨转移的多中心临床研究

A multicenter clinical study of recombinant anti-RANKL fully human monoclonal antibody injection in the treatment of bone metastases from solid tumors

  • 摘要:
    目的 比较LY01011(重组全人源抗RANKL单克隆抗体注射液)与地舒单抗注射液治疗实体瘤骨转移的有效性和安全性。
    方法 开展了一项随机、双盲、阳性药物平行对照、多中心临床试验。共850名受试者被随机分配(1:1比例)至试验组(424名受试者)或对照组(426名受试者)。试验组接受13剂LY01011治疗,对照组先接受3剂地舒单抗治疗,随后再接受10剂LY01011治疗。
    结果 主要疗效指标第13周尿肌酐校正的尿I型胶原交联N端肽(urinary N-terminal telopeptide of type I collagen corrected by urinary creatinine,uNTX/uCr)相对于基线的自然对数变化值。试验组的变化值为−1.740(0.0420),对照组为−1.745 (0.0421)。组间最小二乘均值差为0.005(90%置信区间:−0.088~0.097),表明无统计学显著差异(P>0.05)。安全性方面,包括治疗期间出现的不良事件、实验室检查、生命体征、体格检查和心电图结果,两组间具有可比性(P>0.05)。
    结论 LY01011是地舒单抗注射液的生物类似药,整体安全耐受性良好,安全性较高,临床可继续推广运用。

     

    Abstract:
    Objective To compare the efficacy and safety of LY01011, a recombinant anti-RANKL fully human monoclonal antibody injection, versus denosumab in the treatment of bone metastases from solid tumors.
    Methods A randomized, double-blind, positive drug parallel-controlled, multicenter clinical trial was conducted. A total of 850 subjects were randomly assigned (1:1) to either the experimental group (424 subjects) or the control group (426 subjects). The experimental group received 13 doses of LY01011, while the control group received 3 doses of denosumab followed by 10 doses of LY01011.
    Results The primary efficacy endpoint was the natural logarithmic change from baseline in urinary N-terminal telopeptide of type I collagen corrected by urinary creatinine (uNTX/uCr) at week 13. The change was -1.740 (0.0420) in the experimental group and -1.745 (0.0421) in the control group. The least-squares mean difference between groups was 0.005 (90% CI: −0.088 to 0.097), indicating no statistically significant difference (P>0.05). Safety profiles, including treatment-emergent adverse events, laboratory tests, vital signs, physical examinations, and electrocardiograms, were comparable between groups (P>0.05).
    Conclusions LY01011 demonstrated biosimilarity to denosumab, with favorable safety profile, tolerability, and potential for clinical application.

     

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