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Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer Survival Analysis01:21

Cancer Survival Analysis

Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...

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Updated: Jun 18, 2026

Evaluating the Effectiveness of Cancer Drug Sensitization In Vitro and In Vivo
09:19

Evaluating the Effectiveness of Cancer Drug Sensitization In Vitro and In Vivo

Published on: February 6, 2015

通过激素,细胞毒性或免疫疗法治疗早期乳腺癌的全身治疗. 133个随机试验涉及75,000名妇女中的31,000例复发和24,000例死亡. 早期乳腺癌试验者的协作小组.

    Lancet (London, England)
    |January 4, 1992
    PubMed
    概括

    系统辅助疗法,如他莫西芬和多化学疗法显著减少早期乳腺癌复发和死亡率. 50岁以下的卵巢切除也显示出好处,而免疫疗法和老年切除则没有.

    科学领域:

    • 在瘤学瘤学.
    • 临床试验 临床试验
    • 流行病学 流行病学

    背景情况:

    • 系统辅助疗法对于早期乳腺癌管理至关重要.
    • 评估各种辅助疗法的长期疗效至关重要.

    研究的目的:

    • 评估系统辅助疗法对早期乳腺癌死亡率和复发的影响.
    • 为了比较不同辅助治疗的有效性,包括他莫西芬,卵巢切除和化疗.

    主要方法:

    • 全球合作,从1985年之前开始的随机试验中收集和集中检查数据.
    • 包括大约7.5万名女性,约占相关试验中随机选择的所有女性的90%.
    • 从他莫西芬,卵巢切除,多化学疗法,其他化学疗法和免疫疗法试验的数据分析.

    主要成果:

    • 塔莫西芬显著降低了复发率 (25%) 和死亡率 (17%).
    • 50岁以下的卵巢切除显著降低了复发 (26%) 和死亡率 (25%).
    • 多化学疗法显著降低了复发 (28%) 和死亡率 (16%). 免疫疗法和老年废除没有显著的益处.

    结论:

    • 塔莫西芬和多化学疗法提供了显著的长期生存益处,主要在前四年减少复发.

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  • 50岁以下的卵巢切除是有效的,特别是在减少死亡率方面.
  • 组合疗法 (化疗加泰莫西芬) 在50-69岁的女性中优于单剂疗法.