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Targets and Antibody Formats for Immunotherapy of Neuroblastoma
Journal of Clinical Oncology ( IF 42.1 ) Pub Date : 2020-06-01 , DOI: 10.1200/jco.19.01410
Jeong A Park 1 , Nai-Kong V Cheung 1
Affiliation  

Neuroblastoma (NB) is a malignant embryonal tumor of the sympathetic nervous system that is most commonly diagnosed in the abdomen, often presenting with signs and symptoms of metastatic spread. Three decades ago, high-risk NB metastatic to bone and bone marrow in children was not curable. Today, with multimodality treatment, 50% of these patients will survive, but most suffer from debilitating treatment-related complications. Novel targeted therapies to improve cure rates while minimizing toxicities are urgently needed. Recent molecular discoveries in oncology have spawned the development of an impressive array of targeted therapies for adult cancers, yet the paucity of recurrent somatic mutations or activated oncogenes in pediatric cancers poses a major challenge to the evolving paradigm of personalized medicine. Although low tumor mutational burden is a major hurdle for immune checkpoint inhibitors, an immature or impaired immune system and inhibitory tumor microenvironment can further complicate the prospects for successful immunotherapy. In this regard, despite the poor immunogenic properties of NB, the success of antibody-based immunotherapy and radioimmunotherapy directed at single targets (eg, GD2 and B7-H3) is both encouraging and surprising, given that most solid tumor antibodies that use Fc-dependent mechanisms or radioimmunotargeting have largely failed. Here, we summarize the current information on the immunologic properties of this tumor, its potential immunotherapeutic targets, and novel antibody-based strategies on the horizon.

中文翻译:

神经母细胞瘤免疫治疗的靶标和抗体形式

神经母细胞瘤 (NB) 是交感神经系统的恶性胚胎性肿瘤,最常在腹部诊断,通常表现为转移性扩散的体征和症状。三年前,儿童骨和骨髓转移的高危 NB 是无法治愈的。今天,通过多模式治疗,这些患者中有 50% 将存活下来,但大多数患有与治疗相关的并发症。迫切需要新的靶向疗法来提高治愈率,同时最大限度地减少毒性。肿瘤学中最近的分子发现催生了一系列令人印象深刻的成人癌症靶向疗法的开发,但儿童癌症中复发性体细胞突变或活化癌基因的缺乏对个性化医疗的发展范式构成了重大挑战。尽管低肿瘤突变负荷是免疫检查点抑制剂的主要障碍,但不成熟或受损的免疫系统和抑制性肿瘤微环境会使成功免疫治疗的前景进一步复杂化。在这方面,尽管 NB 的免疫原性较差,但鉴于大多数使用 Fc-的实体瘤抗体,针对单个靶标(例如,GD2 和 B7-H3)的基于抗体的免疫疗法和放射免疫疗法的成功既令人鼓舞又令人惊讶。依赖机制或放射免疫靶向在很大程度上失败了。在这里,我们总结了有关该肿瘤免疫学特性、潜在免疫治疗靶点以及即将出现的新型抗体策略的当前信息。不成熟或受损的免疫系统和抑制性肿瘤微环境会使成功免疫治疗的前景进一步复杂化。在这方面,尽管 NB 的免疫原性较差,但鉴于大多数使用 Fc-的实体瘤抗体,针对单个靶标(例如,GD2 和 B7-H3)的基于抗体的免疫疗法和放射免疫疗法的成功既令人鼓舞又令人惊讶。依赖机制或放射免疫靶向在很大程度上失败了。在这里,我们总结了有关该肿瘤免疫学特性、潜在免疫治疗靶点以及即将出现的新型抗体策略的当前信息。不成熟或受损的免疫系统和抑制性肿瘤微环境会使成功免疫治疗的前景进一步复杂化。在这方面,尽管 NB 的免疫原性较差,但鉴于大多数使用 Fc-的实体瘤抗体,针对单个靶标(例如,GD2 和 B7-H3)的基于抗体的免疫疗法和放射免疫疗法的成功既令人鼓舞又令人惊讶。依赖机制或放射免疫靶向在很大程度上失败了。在这里,我们总结了有关该肿瘤免疫学特性、潜在免疫治疗靶点以及即将出现的新型抗体策略的当前信息。鉴于大多数使用 Fc 依赖性机制或放射免疫靶向的实体瘤抗体在很大程度上失败了,针对单一靶点(例如,GD2 和 B7-H3)的基于抗体的免疫疗法和放射免疫疗法的成功既令人鼓舞又令人惊讶。在这里,我们总结了有关该肿瘤免疫学特性、潜在免疫治疗靶点以及即将出现的新型抗体策略的当前信息。鉴于大多数使用 Fc 依赖性机制或放射免疫靶向的实体瘤抗体在很大程度上失败了,针对单一靶点(例如,GD2 和 B7-H3)的基于抗体的免疫疗法和放射免疫疗法的成功既令人鼓舞又令人惊讶。在这里,我们总结了有关该肿瘤免疫学特性、潜在免疫治疗靶点以及即将出现的新型抗体策略的当前信息。
更新日期:2020-06-01
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