影响急性髓性白血病对venetoclax反应和耐药性的因素
1Thalassemia and Sickle Cell Disease Unit, Department of Hematology, General Hospital of Larissa, Larissa, Greece.
Frontiers in oncology
|October 1, 2025
概括
威尼托克拉克斯与低甲基化剂 (HMA) 结合,为急性髓性白血病 (AML) 提供了一种新的治疗方法. 特定的基因突变影响患者的反应,指导个性化治疗和改善结果.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 威尼托克拉克斯加上低甲基化剂 (HMA) 已经改变了急性髓性白血病 (AML) 的治疗方法,特别是在老年和虚弱的患者中.
- 这种组合正在扩展到其他AML亚组,并正在众多临床试验中进行研究.
- 威尼托克拉克斯的组合可以作为最终疗法或通往全源造血干细胞移植 (HSCT) 的桥梁.
研究的目的:
- 审查影响AML响应和持久缓解的分子和临床因素,以venetoclax为基础的组合治疗的AML患者.
- 讨论AML中对venetoclax的耐药性机制.
主要方法:
- 临床试验和分子研究的文献综述.
- 基因突变的分析及其与治疗反应的相关性.
- 评估可测量的残留疾病 (MRD) 消极性作为预后标记.
主要成果:
- 在IDH1,IDH2,ASXL1,NPM1,DDX41,染色素凝聚素和拼接因子基因中的突变预测了对venetoclax的更好的反应.
- 较低的反应与FLT3-ITD,KRAS,NRAS和TP53基因突变有关.
- 在前四个周期内可测量的残留疾病 (MRD) 消极性与NPM1-突变AML的良好结果有关.
结论:
- 了解分子格局对于优化基于venetoclax的AML治疗至关重要.
- 预测性生物标志物可以指导治疗选择并改善患者的治疗结果.
- 对抗药性机制的进一步研究是必要的,以克服治疗限制.
相关概念视频
Factors Affecting Drug Response: Overview
3.0K
When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...
3.0K
Factors Affecting Renal Clearance: Drug's Physicochemical Properties and Plasma Levels
583
Renal clearance of a drug is influenced by various factors, including its physicochemical properties and plasma levels. These factors play a significant role in determining how efficiently the kidneys eliminate a drug.
One important factor is the drug's molecular size. The kidneys readily excrete smaller molecules below 300 Daltons (Da). On the other hand, molecules weighing between 300 and 500 Da are excreted through both urine and bile. Larger molecules above 500 Da tend to be excreted...
One important factor is the drug's molecular size. The kidneys readily excrete smaller molecules below 300 Daltons (Da). On the other hand, molecules weighing between 300 and 500 Da are excreted through both urine and bile. Larger molecules above 500 Da tend to be excreted...
583
Factors Affecting Renal Clearance: Renal Impairment
425
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
425
Therapeutic Drug Monitoring: Affecting Factors
201
Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
201
Factors Affecting Renal Clearance: Drug Distribution and Drug Interactions
510
Renal clearance plays a pivotal role in drug elimination from the body and can be influenced by drug distribution and interactions. Understanding these factors is crucial in pharmacology as they impact the effectiveness and duration of drug therapy.
One important factor is the relationship between renal clearance and the apparent volume of distribution. Renal clearance tends to be inversely proportional to the apparent volume of distribution. Drugs with an extensive distribution volume or those...
One important factor is the relationship between renal clearance and the apparent volume of distribution. Renal clearance tends to be inversely proportional to the apparent volume of distribution. Drugs with an extensive distribution volume or those...
510
Factors Affecting Drug Biotransformation: Biological
521
Biological factors significantly impact drug metabolism, influencing drug clearance, efficacy, and potential toxicity.
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
521


