诺华研究显示RTH258(brolucizumab)可助nAMD患者视力得到稳健改善

2017-07-28 佚名 MedSci原创

  • 在两项头对头比较的关键III临床研究中,RTH258均达到了主要疗效终点,即第48BCVA与基线相比的平均变化不劣于阿柏西普。 
  • 这两项临床研究中,在负荷剂量期至第48周期间,6 mg RTH258治疗组中分别有57%52%的患者每12周注射一次RTH258 (q 12w)可维持疗效。
  • 在这两项临床研究中,RTH258的眼部和非眼部不良事件总发生率均与阿柏西普相当。

北京和上海2017年7月25日电 /美通社/ -- 全球眼科领域的领导者诺华公司日前在巴塞尔宣布,在HAWK和HARRIER这两项III期临床研究中,RTH258(brolucizumab)6mg治疗方案达到主要终点和关键次要终点。在HAWK研究中,RTH258 3mg也达到了这些终点。这些关键研究在全球400个研究中心共招募了1800多例新生血管性年龄相关性黄斑变性(nAMD)患者。主要疗效终点为第48周最佳矫正视力(BCVA)与基线相比的平均变化。关键次要疗效终点为治疗第36-48周的BCVA与基线相比的平均变化。主要和关键次要疗效终点均已达到,p值具有高度显著性。RTH258显示出良好的耐受性,眼部和非眼部(全身)总体不良事件发生率均与阿柏西普相当。

与需每8周给药一次的阿柏西普相比,RTH258显示出持久的疗效。在负荷剂量期至第48周期间,多数患者(HAWK研究中57%的患者以及HARRIER研究中52%的患者)每12周接受一次RTH258治疗(q12w)即可维持疗效。

诺华全球药品开发负责人兼首席医学官Vas Narasimhan指出:“上述结果明确且有力地证明了RTH258能够降低注射频率,同时提供良好的视力改善效果。诺华在开发视力保护药物方面一直不懈努力,此次我们也乐于看到RTH258为nAMD的治疗带来了新的希望。基于这些有力的数据,我们期待与药品监管部门合作,将这一前沿疗法引入市场,以造福广大患者。”

对RTH258的详细数据分析还在进行中,分析结果将在即将召开的医学大会上公布。RTH258是一种高度创新的单链抗体,与已批准疗法相比,它能显著提高眼内的抗体浓度。诺华希望能够在完成最终生产工艺的药物动力学研究之后,于2018年进行药品备案。

RTH258具有药效长、疗效好、给药频率较低等优势,能满足nAMD患者的各种临床需求。

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