不同类型的免疫检查点抑制之间的免疫介导性结肠炎的不同疾病行为
Malek Shatila1, Farzin Eshaghi2, Carolina Colli Cruz1
1Department of Gastroenterology, Hepatology and Nutrition, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Unit 1466, Houston, TX, 77030, USA.
细胞毒性T-淋巴细胞抗原4 (CTLA-4) 抑制剂比编程细胞死亡蛋白-1/联结-1 抑制剂更早,更严重的免疫介导性结肠炎 (IMC). 这凸显了ICI类型在治疗癌症患者胃肠道副作用方面的重要性.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 胃肠病学 胃肠病学
背景情况:
- 免疫检查点抑制剂 (ICI) 在癌症治疗中至关重要.
- 免疫媒介性结肠炎 (IMC) 是ICI的一种常见不良事件.
- 了解ICI对IMC的影响对于患者管理至关重要.
研究的目的:
- 根据ICI治疗方案,比较IMC患者的胃肠道疾病行为和结果.
- 分析编程细胞死亡蛋白-1/联结-1 (PD-1/L1) 和细胞毒性T淋巴细胞抗原4 (CTLA-4) 疗法之间的差异.
主要方法:
- 在ICI治疗后发生IMC的414名患者的回顾性图表审查.
- 根据最后一次ICI治疗方案分类的患者:PD-1/L1单疗法与CTLA-4单疗法/组合疗法.
- 收集的人口和IMC相关的临床数据,包括发病,严重程度和内镜/组织学发现.
主要成果:
- CTLA-4疗法与较早的IMC发病 (中位数为46 vs. 123天) 和较高的严重结肠炎发病率 (级别:≥3:47.3% vs. 20.2%) 相关.
- CTLA-4组的发烧增加,腹部疼痛,血,以及性内镜检查结果.
- PD-1/L1组在组织学上具有更高的微观结肠炎的可能性.
结论:
- ICI类型显著影响IMC的发病,严重程度和临床表现.
- 与PD-1/L1抑制相比,CTLA-4抑制会导致更具侵略性的IMC,具有独特的特征.
- 需要进一步的研究来优化ICI诱导性结肠炎的治疗策略.
更多相关视频
09:08Investigating Target Gene Function in a CD40 Agonistic Antibody-induced Colitis Model using CRISPR/Cas9-based Technologies
Published on: June 2, 2021
08:37Induction of Murine Intestinal Inflammation by Adoptive Transfer of Effector CD4+CD45RBhigh T Cells into Immunodeficient Mice
Published on: April 21, 2015
相关概念视频
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents
Inflammatory Bowel Disease I: Ulcerative Colitis
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory Bowel Disease IV: Pharmacological Management
Pharmacologic...
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
Chronic Bowel Disorders: Introduction
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
