对于患有EGFR突变的高级非小细胞肺癌的患者,重新治疗osimertinib
Kevin M Levine1, Natalie F Uy1, Ted A Gooley2
1University of Washington, Seattle, WA, USA; Fred Hutchinson Cancer Center, Seattle, WA, USA.
Cancer treatment and research communications
|November 1, 2025
概括
在EGFR突变非小细胞肺癌 (NSCLC) 患者中,奥西默蒂尼布的再试剂在先前的奥西默蒂尼布和化疗后显示出临床益处. 这一策略为一小部分患有这种具有挑战性的癌症的患者提供了疾病控制.
科学领域:
- 在瘤学瘤学.
- 医学研究 医学研究
- 药理学 药理学是指药理学的学科.
背景情况:
- 对奥西默蒂尼布的耐药性是治疗EGFR突变非小细胞肺癌 (NSCLC) 的重大挑战.
- 关于在初始治疗进展后重新使用 osimertinib 的患者疗效的数据有限.
- 之前的研究已经探索了用前一代EGFR抑制剂进行再治疗,但并没有专门针对osimertinib进行再治疗.
研究的目的:
- 评估奥西默蒂尼布在EGFR突变NSCLC患者中的临床疗效和安全性.
- 为了评估疾病控制和生存结果,在之前的奥西默蒂尼布和化疗中进展后重新治疗奥西默蒂尼布.
- 为了探索对 osimertinib 反应的潜在预测因素,重新挑战.
主要方法:
- 对17名EGFR突变NSCLC患者的回顾性分析,这些患者重新接受了osimertinib.
- 患者在先前的奥西默蒂尼布治疗中进展,并接受了临时全身治疗,包括化疗.
- 纳入标准侧重于腺癌组织学和特定的EGFR突变 (外因子19缺失或L858R).
主要成果:
- 奥西默提尼布的重复治疗在18%的患者中实现了部分反应,在35%的患者中实现了稳定疾病,从而产生了53%的疾病控制率.
- 重复治疗的平均持续时间为4.3个月,重复治疗开始后的平均整体存活时间为8.9个月.
- 一些患有中枢神经系统干扰的患者经历了内稳定性,最初的奥西默提尼布持续时间并不能强烈预测重新治疗的益处.
结论:
- 奥西默提尼布的再试用可以在EGFR突变NSCLC患者的子组中提供临床意义上的疾病控制.
- 奥西默蒂尼布的口服配方和耐受性使其成为重新治疗的可行选择.
- 需要进一步的研究来确定患者选择的生物标志物,并优化再治疗策略,特别是在间隔化疗后.
更多相关视频
相关概念视频
Treatment Resistant Cancers
3.7K
Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.7K
Targeted Cancer Therapies
8.6K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
8.6K
Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists
433
Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
433
Mitogens and the Cell Cycle
7.7K
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
7.7K
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers
426
Receptor tyrosine kinase inhibitors (TKIs) and calcium channel blockers (CCBs) are two critical categories of drugs employed in the treatment of pulmonary artery hypertension (PAH). PAH is a disease that causes high blood pressure in the pulmonary arteries, resulting in chest pain, fatigue, and shortness of breath.
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...
426


