对新诊断的质母细胞瘤进行积极个性化疫苗接种试验
Norbert Hilf1, Sabrina Kuttruff-Coqui1, Katrin Frenzel2
1Immatics Biotechnologies GmbH, Tübingen, Germany.
Nature
|December 21, 2018
概括
质母细胞瘤免疫疗法通过针对非突变和新抗原的个性化疫苗具有前景. 这种结合非突变APVAC1和新位向APVAC2疫苗的方法在I期试验中显示出安全性和强烈的免疫性.
科学领域:
- 免疫学
- 癌症学
- 疫苗开发
背景情况:
- 质母细胞瘤 (GBM) 由于瘤突变负担较低和免疫细胞透,对目前的检查点抑制剂免疫疗法具有有限的益处.
- 针对GBM的有效免疫疗法可能需要针对更广泛的瘤抗原,包括未变异的抗原和新位.
- 充分利用瘤抗原库对于提高治疗效率至关重要,特别是在低突变负载的癌症中.
研究的目的:
- 评估针对新诊断的质母细胞瘤的个性化疫苗策略的可行性,安全性和免疫性.
- 将针对未变抗原和新位素的个性化疫苗纳入质母细胞瘤患者的标准护理.
- 评估个性化疫苗引起的人类白细胞抗原 (HLA) -A*02: 01或HLA-A*24: 02阳性质母细胞瘤的免疫反应.
主要方法:
- 一个I期临床试验 (GAPVAC-101) 涉及15名新诊断的质母细胞瘤患者.
- 治疗包括来自未变异抗原库的个性化疫苗 (APVAC1),其次是新位向疫苗 (APVAC2).
- 根据个体瘤突变和转录组/ 免疫组分析进行了疫苗个性化.
主要成果:
- 活跃个性化疫苗联盟 (GAPVAC) 的方法是可行的,并证明了良好的安全性.
- 具有多ICLC和颗粒细胞巨细胞殖民地刺激因子辅助剂的疫苗显示出强烈的免疫性.
- APVAC1 诱导了持续的 CD8+ T 细胞对未发生突变的抗原的反应,而 APVAC2 诱导了 CD4+ T 辅助1 细胞对新表位细胞的反应.
结论:
- 在质母细胞瘤中,结合未变异和新位抗原的个性化疫苗接种策略是可行的,并且具有免疫性.
- 这种方法有可能通过扩大向抗原库来提高质母细胞瘤的免疫疗效.
- 对于其在质母细胞瘤患者中的治疗益处,GAPVAC策略需要进一步研究.
更多相关视频
相关概念视频
Vaccinations
51.7K
Overview
51.7K
Diagnosing Acidosis and Alkalosis
1.2K
Diagnosing acid-base imbalances involves systematically analyzing arterial blood samples, focusing on three key measurements: pH, bicarbonate (HCO3−) concentration, and carbon dioxide partial pressure (PCO2). This analysis follows a four-step process that helps identify the imbalance's underlying cause and nature.
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2 and...
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2 and...
1.2K
Clinical Trials: Overview
4.9K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
4.9K
Trial and Error and Algorithm
409
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
409
Clinical Trials
10.4K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
There are four phases in a clinical trial. A phase one...
10.4K
Cancer Vaccines
1.0K
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 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...
1.0K


