贝尔祖提凡用于晚期发红细胞瘤或偏结质瘤
Camilo Jimenez1, Mikkel Andreassen2, Alice Durand3
1University of Texas M.D. Anderson Cancer Center, Houston.
贝尔祖提凡在患有晚期色细胞瘤或偏角细胞瘤的患者中表现出显著的抗瘤活性和持久的反应. 这种低氧诱导的2α因子抑制剂为这些罕见的神经内分泌瘤提供了新的治疗选择.
科学领域:
- 在瘤学瘤学.
- 内分泌学 在内分泌学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 乳腺红细胞瘤和副质瘤是罕见的神经内分泌瘤,起源于上腺髓和副上腺副质.
- 转移性疾病通常是由低氧诱导因子2α (HIF-2α) 途径失调驱动的.
- 贝尔祖提凡向HIF-2α通路,显示出治疗晚期疾病的潜力.
研究的目的:
- 评估贝尔祖提凡的抗瘤活性和安全性,在患有晚期乳红细胞瘤或偏角细胞瘤的患者中.
- 评估客观反应率,反应持续时间,无进展生存率和整体生存率.
- 为了确定贝尔祖提凡对抗高血压药物的影响,需要.
主要方法:
- 第二阶段,国际,单组试验,72名参与者.
- 贝尔祖提凡120毫克每天服用一次,直到疾病进展,不可接受的毒性或停药.
- 主要终点:通过盲目的独立中央审查确认了客观反应.
主要成果:
- 客观应答率为26% (95% CI,17至38),疾病控制率为85% (95% CI,74至92).
- 响应的中位持续时间为20.4个月;中位无进展生存时间为22.3个月.
- 服用抗高血压药物的32%的参与者显示剂量减少≥50%,76%的参与者有24个月的整体存活期.
结论:
- 贝尔祖提凡表现出显著的抗瘤活性,并在晚期染细胞瘤和偏角细胞瘤中提供持久的反应.
- 该药物表现出可管理的安全性,而3级贫血是最常见的不良事件.
- 贝尔祖提凡对于患有晚期,无法手术的疾病的患者来说是一个有前途的治疗选择.
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