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題名 | Continuous Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitor Treatment May Not Hinder the Survival of Patients with Primary Lung Adenocarcinoma despite Indolent New Lesions=肺腺癌病人產生新病灶時,持續使用Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors可能不會影響整體存活期 |
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作者 | 邱立忠; 黃澤宏; 高國晉; 李忠恕; 黃崇旂; 余志騰; 陳濘宏; 楊政達; 蔡熒煌; 劉劍英; | 書刊名 | 胸腔醫學 |
卷期 | 28:2 2013.04[民102.04] |
頁次 | 頁73-88 |
分類號 | 415.468 |
關鍵詞 | 肺腺癌; 新病灶; 病情惡化; 整體存活期; 無惡化存活期; Epidermal growth factor receptor tyrosine kinase inhibitors; New lesions; Progressive disease; Overall survival; Progression-free survival; |
語文 | 英文(English) |
中文摘要 | 背景:使用Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors(EGFR-TKI)治療肺腺癌病人最終會因為抗藥性而使疾病惡化。然而,因為只有少數文獻探討當產生新病灶時,持續使用EGFR-TKI對存活時間之益處,本研究回顧性分析對於Response Evaluation Criteria in Solid Tumors(RECIST)定義之疾病惡化狀況下可能的治療效果。方法:本研究從2005年1月至2009年11月前瞻性記錄,回顧性分析37位肺腺癌病人。所有病人對於EGFR-TKI都至少有6個月之無惡化存活期,且原發部位肺腫瘤變小或穩定,而後產生新病灶。26位病人持續使用而11位病人停止使用EGFR-TKI。我們比較此二組病人之整體存活期,停止使用EGFRTKI後之存活期和出現新病灶後之存活期。結果:停止使用EGFR-TKI組整體存活期中位數為480天,繼續使用EGFR-TKI組整體存活期中位數為771.5天(p=0.1838)。停止使用EGFR-TKI後,存活期中位數在停止使用組為117.0天,在繼續使用組為143.0天(p=0.9106),而出現新病灶後之存活期中位數在停止使用組為152.0天,在繼續使用組為262.0天(p=0.0571)。結論:肺腺瘤病人在EGFR-TKI治療下初始有反應,當出現新病灶時,繼續使用EGFR-TKI可能不會影響存活期。 |
英文摘要 | Background: Lung adenocarcinoma treated with epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKI) eventually develops progressive disease (PD) due to acquired resistance. However, since there are few published reports on the survival benefit of continuous EGFR-TKI administration for indolent new lesions, the present study retrospectively analyzed the possible treatment effect on PD status as defined by the Response Evaluation Criteria in Solid Tumors (RECIST). Methods: From January 2005 to November 2009, the data of 37 lung adenocarcinoma patients were prospectively recorded and retrospectively analyzed and evaluated. All patients had at least 6 months of progression-free survival (PFS) with EGFR-TKI and definite new lesions during EGFR-TKI therapy, with the primary targeted lung lesions remaining regressive or stable. Twenty-six patients continued and 11 discontinued EGFR-TKI therapy. Overall survival (OS), survival after discontinuation of EGFR-TKI, and survival after the appearance of definite new lesions were compared. Results: The median OS was 480 days for the discontinuation group and 771.5 days for the continuation group (p=0.1838). Median survival time after discontinuation of EGFRTKI was 117.0 days and 143.0 days in the 2 groups, respectively (p=0.9106), while median survival time after the appearance of indolent new lesions was 152.0 days and 262.0 days, respectively (p=0.0571). Conclusion: Continuous EGFR-TKI administration in patients with primary lung adenocarcinoma with an initial response and the appearance of new indolent lesions may not hinder the survival benefit. |
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