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妥妥愈她,一步到位丨曲帕双靶皮下制剂上市,为中国患者带来更便捷、自在的新选择!

作者:肿瘤瞭望   日期:2024/1/4 10:59:10  浏览量:4612

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曲帕双靶获多个权威指南推荐,已经成为HER2阳性早期乳腺癌治疗金标准。2024年1月2日,曲帕双靶皮下制剂[通用名:帕妥珠曲妥珠单抗注射液(皮下注射),商品名:赫捷康?]获得国家药品监督管理局上市批准,这标志着中国早期乳腺癌患者在“治愈”的道路上有了更加便捷、自在的新选择!

编者按:曲帕双靶获多个权威指南推荐,已经成为HER2阳性早期乳腺癌治疗金标准。2024年1月2日,曲帕双靶皮下制剂[通用名:帕妥珠曲妥珠单抗注射液(皮下注射),商品名:赫捷康®]获得国家药品监督管理局上市批准,这标志着中国早期乳腺癌患者在“治愈”的道路上有了更加便捷、自在的新选择!
 
HER2阳性乳腺癌进入慢病时代
 
随着时代发展,乳腺癌的治疗由化疗走向以曲妥珠单抗为代表的靶向治疗时代;到2019年帕妥珠单抗在我国成功上市,又开启了曲帕双靶治疗时代,使HER2阳性乳腺癌患者的生存得到进一步提升。目前多项国内外指南推荐[1-5],曲帕双靶是治疗HER2阳性早期乳腺癌的金标准。
 
然而,传统肿瘤大分子的长期静脉治疗给患者带来了诸多不便,如静脉通路不良患者会丧失治疗的机会,并且可能会增加院内感染风险等[6];同时,长期静脉治疗也为医院带来诸多难题,如配置药物流程复杂增加,质量安全管理难度增加,人力/物力等医疗资源占用较多,输注耗时长会造成床位周转率低等问题[6]。随着“以患者为中心”的肿瘤慢病化管理模式成为主流,需要探寻更为便捷、经济的给药方式。
 
从静脉转向皮下给药,已成为抗体药物的新趋势[7],并且皮下给药具有多重优势[8-10]:不仅能够降低院感风险,提升用药安全水平,还能降低靶向药物使用门槛,助力分级诊疗下的标准化治疗,提升医疗质量同质化水平;并且对患者侵入性较小,能够减少患者疼痛、瘀伤、和刺激;还能简化治疗流程,节约护理成本和药师成本,优化医疗资源配置,同时提升医护人员满意度。
 
全球上市抗体制剂的不同给药途径分析[7]
 
皮下制剂开创高效便捷治疗新时代
 
曲帕双靶皮下制剂是将曲妥珠单抗和帕妥珠单抗两药组合的即用型、固定剂量、通过大腿皮下注射给药的复合制剂[11]
 
BO30185研究确定了曲帕双靶皮下制剂的剂量标准[15,16],通过健康人群研究确定了帕妥珠单抗SC 1200mg+曲妥珠单抗SC 600mg的负荷剂量以及帕妥珠单抗SC 600mg+曲妥珠单抗SC 600mg的维持剂量;并且在早期乳腺癌患者中,单剂量P-SC单独给药或与H-SC组合(混合或联合配制)的PK相似[15,16]
 
确定曲帕双靶皮下制剂的维持剂量[15,16]
 
III期FeDeriCa研究进一步证实,曲帕双靶皮下制剂组第7周期帕妥珠单抗血清药物谷浓度非劣效于帕妥珠单抗静脉输注[17],同时曲帕双靶皮下制剂的tpCR率与曲帕双靶静脉制剂的几乎相同,并且总体安全性和耐受性相当;此外,研究还表明不同体重患者使用标准剂量的曲帕双靶皮下制剂的tpCR率几乎相同,不良事件发生率相当。对于中国患者而言,III期FDChina桥接研究再次证实曲帕双靶皮下制剂非劣效于曲帕双靶静脉制剂[18]。PHranceSCa研究表明[19],转换前和转换后的AE发生率相似,没有新的安全信号,因而曲帕双靶静脉制剂可安全地转换为曲帕双靶皮下制剂。
 
中国患者使用曲帕双靶皮下制剂与曲帕双靶静脉制剂的安全性相当[17]
 
皮下制剂为乳腺癌治疗带来多维度获益
 
曲帕双靶皮下制剂可以缩短治疗时间,改善患者的治疗体验;PHaTiMa研究表明,曲帕双靶皮下制剂显著节省患者的等待和治疗时间[20];PHranceSCa研究表明更舒适的治疗体验让85%患者更倾向选择曲帕双靶皮下制剂[21]。不仅能够让患者实现检测结果正常、机能恢复的身体治愈;还能让患者减少“病耻感”,达到心理治愈;最终能够回归社会角色,做出自己的贡献[22]
 
患者每个周期接受研究药物治疗的平均时间(分钟)(lTT人群)[20]
 
研究还表明,曲帕双靶皮下制剂辅助治疗显著减少医护人员的活动时间及治疗流程[23,24],并且87.5%医护人员认为曲帕双靶皮下制剂从准备到给药用时最短[21]。皮下制剂有助于提升资源利用效率,帮助医院收治更多患者。“以患者为中心”,皮下制剂助力患者“随时、随地、随心、随从”就医;未来,皮下制剂有望实现肿瘤的远程管理和居家治疗的同质化治疗模式。
 
曲帕双靶皮下制剂缩短治疗流程[23,24]
 
总结
 
总之,帕妥珠单抗联合曲妥珠单抗方案改写了HER2阳性乳腺癌的治疗格局,获得国内外多项指南推荐;但长期的静脉治疗给乳腺癌的慢病化管理带来一定挑战。而曲帕双靶皮下制剂合二为一,并且在PK、疗效和安全性方面与静脉制剂相当,在大大提高给药便捷性的同时,可为患者、医疗工作者、医疗体系减轻负担。
 
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11.曲帕双靶注射液(皮下注射)说明书
 
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