Tyrosine kinase inhibitor

酪氨酸激酶抑制剂
  • 文章类型: Case Reports
    8p11骨髓增生综合征(EMS)是一种罕见且侵袭性的血液系统恶性肿瘤,以骨髓增生性肿瘤为特征,与嗜酸性粒细胞增多和T细胞或B细胞系淋巴母细胞淋巴瘤有关。发病机制由与成纤维细胞生长因子-1(FGFR1)基因相关的染色体易位的存在来定义。位于8p11-12.1染色体位点。目前,全球仅报告了约100例。已经鉴定出至少15个伴侣基因,包括最常见的,锌指MYM型含有2(ZNF198)-FGFR1融合基因,由t(8;13)(p11;q12)形成。不同的融合基因决定了疾病的临床表现和预后。患有t(8;13)(p11;q12)的EMS患者通常表现为淋巴结病和T淋巴母细胞淋巴瘤,随着疾病的进展,通常会转化为急性髓细胞性白血病(AML)。本研究描述了患有t(8;13)(p11;q12)的老年女性EMS患者的情况,表现为髓样/淋巴样综合征(骨髓增生性肿瘤和T淋巴母细胞淋巴瘤)。患者接受CHOPE方案联合酪氨酸激酶抑制剂(dasatin)治疗,并获得短期完全缓解。然而,6个月后,疾病从EMS进展为AML,患者因诱导治疗无效而死亡.本研究还回顾了有关这种不寻常实体的相关文献,以增强对EMS的理解。
    8p11 myeloproliferative syndrome (EMS) is a rare and aggressive hematological malignancy, characterized by myeloproliferative neoplasms, and associated with eosinophilia and T- or B-cell lineage lymphoblastic lymphoma. The pathogenesis is defined by the presence of chromosomal translocations associated with the fibroblast growth factor-1 (FGFR1) gene, located in the 8p11-12.1 chromosomal locus. At present, only ~100 cases have been reported globally. At least 15 partner genes have been identified, including the most common, the zinc finger MYM-type containing 2 (ZNF198)-FGFR1 fusion gene formed by t(8;13)(p11;q12). Different fusion genes determine the clinical manifestations and prognosis of the disease. Patients with EMS with t(8;13)(p11;q12) commonly present with lymphadenopathy and T-lymphoblastic lymphoma, which usually converts to acute myeloid leukemia (AML) with the progression of the disease. The present study describes the case of an elderly female patient with EMS with t(8;13)(p11;q12), presenting with myeloid/lymphoid syndrome (myeloproliferative neoplasms and T lymphoblastic lymphoma). The patient received the CHOPE regimen combined with tyrosine kinase inhibitor (dasatin) treatment and obtained short-term complete remission. However, 6 months later, the disease progressed from EMS to AML and the patient died due to ineffective induction therapy. The present study also reviews the relevant literature about this unusual entity to enhance the understanding of EMS.
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  • 文章类型: Journal Article
    Zanzalintinib(XL092)是下一代抗VEGFR相关的多靶向TKI,具有免疫调节作用。
    这篇综述探讨了临床前和临床数据,以及与zanzalintinib及其与免疫检查点抑制剂(ICIs)的组合相关的未来方向。
    除了其抗VEGFR活性外,zanzalintinib通过其免疫调节作用证明了与ICIs的潜在协同作用,归因于其对MET和TAM激酶的抑制。最近的临床前研究提供了令人信服的证据支持这种协同潜力。此外,最近的1期剂量递增研究证实了赞扎林替尼和抗PDL1联合用药的耐受性,没有重大安全性问题.多项正在进行的临床试验正在研究各种实体瘤类型的zanzalintinib和ICIs的组合,包括肾细胞癌的3期研究,结直肠,还有头颈癌.这些试验旨在阐明这种新一代TKI和ICI组合的治疗作用。然而,对于zanzalintinib和ICI组合,确定可靠的预测性生物标志物存在重大挑战.鉴于其机制原理的复杂性和确定可靠的生物标志物用于联合抗血管生成和ICI治疗的困难,应对这一挑战仍然是正在进行和未来研究的优先事项。
    UNASSIGNED: Zanzalintinib (XL092) is a next-generation anti-VEGFR-related multi-targeted TKI that exhibits immunomodulatory effects.
    UNASSIGNED: This review explores preclinical and clinical data, along with the future directions associated with zanzalintinib and its combination with immune checkpoint inhibitors (ICIs).
    UNASSIGNED: In addition to its anti-VEGFR activity, zanzalintinib demonstrates potential synergistic effects with ICIs through its immunomodulatory impact, attributed to its inhibition of MET and TAM kinases. Recent preclinical studies provide compelling evidence supporting this synergistic potential. Furthermore, a recent phase 1 dose escalation study confirmed the tolerability of the zanzalintinib and anti-PDL1 combination without major safety concerns.Multiple ongoing clinical trials are investigating the combination of zanzalintinib and ICIs across various solid tumor types, including phase 3 studies for renal cell carcinoma, colorectal, and head and neck cancer. These trials aim to elucidate the therapeutic role of this new-generation TKI and ICI combination.However, the identification of reliable predictive biomarkers for the zanzalintinib and ICI combination presents significant challenges. Given the intricate nature of their mechanistic rationale and the difficulties in identifying reliable biomarkers for combined anti-angiogenesis and ICI therapies, addressing this challenge remains a priority for ongoing and future research.
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  • 文章类型: Journal Article
    背景:虽然可用的全身治疗对晚期血管肉瘤的长期疗效不大,免疫疗法代表了一个有趣的新治疗机会。为了确定它的利益,与标准治疗相比,需要进行临床试验评估其疗效和毒性。
    方法:这是PubMed检索的文献综述。
    结果:目前有几种全身治疗(化疗和TKI)用于晚期血管肉瘤,ORR为12.5%至68%,PFS为2至7个月。然而,很少有随机试验,主要是第二阶段,已经进行了比较这些治疗。虽然大多数中心建议在一线或二线使用含阿霉素的方案或紫杉醇,即使在没有同意标准治疗的肉瘤专业中心中,也观察到在这种情况下给药的方案具有高度异质性.从评估单独或与抗CTLA4或TKI组合的抗PD1的若干回顾性和II期研究中,已经在血管肉瘤中报道了免疫疗法活性的令人鼓舞的信号。虽然皮肤和头部和颈部的位置似乎更受益于免疫疗法,在任何血管肉瘤亚型中都可以观察到反应。在一般的肉瘤中,特别是在AS中,尚未明确建立预测免疫治疗疗效的生物标志物:高肿瘤突变负担和三级淋巴结构的存在正在评估中.
    结论:即使是必不可少的,在AS中开发一项随机临床试验与疾病的异质性作斗争,缺乏协商一致的标准方案,最佳免疫疗法给药的不确定性和缺乏已建立的预测性生物标志物。
    结论:国际合作对于在晚期AS中进行随机试验和评估免疫治疗在这种罕见且异质性疾病中的疗效至关重要。
    BACKGROUND: While available systemic treatments have modest long term efficacy in advanced angiosarcoma, immunotherapy represents an interesting new therapeutic opportunity. To establish its benefit, it is required to conduct a clinical trial assessing its efficacy and toxicity compared to standard treatments.
    METHODS: This is a literature review from PubMed search.
    RESULTS: Several systemic treatments (chemotherapy and TKI) are currently used in advanced angiosarcoma with ORR ranging from 12.5 to 68 % and PFS from 2 to 7 months. However, few randomized trials, mainly phase II, has been conducted to compare these treatments. While most centers propose doxorubicin containing regimens or paclitaxel in 1st or 2nd line, a high heterogeneity of regimens administered in this setting is observed even across sarcoma specialized centers with no consensual standard treatment. Encouraging signals of immunotherapy activity have been reported in angiosarcoma from several retrospective and phase II studies assessing anti-PD1 either alone or in combination with anti CTLA4 or TKI. Although cutaneous and head and neck location seems to benefit more from immunotherapy, response may be observed in any angiosarcoma subtype. In sarcoma in general and AS in particular, no biomarker has been clearly established to predict the efficacy of immunotherapy: high tumor mutational burden and presence of tertiary lymphoid structures are under assessment.
    CONCLUSIONS: Even essential, developing a randomized clinical trial in AS struggles with the heterogeneity of the disease, the lack of consensual standard regimen, the uncertainty on optimal immunotherapy administration and the absence of established predictive biomarkers.
    CONCLUSIONS: International collaboration is essential to run randomized trial in advanced AS and asses the efficacy of immune therapy in this rare and heterogeneous disease.
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  • 文章类型: Journal Article
    由表皮生长因子受体(EGFR)酪氨酸激酶抑制剂(TKI)或免疫检查点抑制剂(ICI)引起的间质性肺病(ILD)或肺炎是非小细胞肺癌(NSCLC)治疗中的主要问题。添加血管内皮生长因子(VEGF)和VEGF受体(VEGFR)抑制剂是否可以降低药物诱导的ILD的发生率尚不清楚。我们在2009年1月至2023年10月的相关随机试验中进行了系统评价,以评估存在或不存在VEGF/VEGFR抑制剂时EGFR-TKIs或ICIs诱导的ILD的发生率。主要结果是全球所有患者和亚洲人ILD发生率的比值比。次要结果是全球所有患者和亚洲人的3级或更高ILD发生率的比值比(OR)。我们确定了13项随机研究,EGFR-TKI组中的一个子分析,ICI组的三项随机研究。在EGFR-TKI组中,使用VEGF/VEGFR抑制剂的任何级别的ILD发生率的OR为0.54(95%CI,0.32-0.90;p=0.02),这表明发病率显著低于无VEGF/VEGFR抑制剂。相反,使用VEGF/VEGFR抑制剂的≥3级ILD发生率的OR为1.00(95%CI,0.43-2.36;p=0.99).在ICI组的所有受试者中,使用VEGF/VEGFR抑制剂的任何级别ILD发生率的OR为0.78(95%CI,0.51-1.21;p=0.27).系统评价表明,在NSCLC患者中,添加VEGF/VEGFR抑制剂可以降低EGFR-TKI引起的任何级别的药物诱导ILD的发生率,但在≥3级时不能降低。由于可获得ILD数据的随机试验数量有限,ICIs诱导的ILD仍未确定。
    https://www.crd.约克。AC.uk/PROSPERO/display_record。php?RecordID=409534,标识符CRD42023409534。
    Interstitial lung disease (ILD) or pneumonitis caused by epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKI) or immune checkpoint inhibitors (ICI) is a major concern in the treatment of non-small cell lung cancer (NSCLC). Whether the addition of vascular endothelial growth factor (VEGF) and VEGF receptor (VEGFR) inhibitors can reduce the incidence of drug-induced ILD remains unclear. We conducted a systematic review to assess the incidence of ILD induced by EGFR-TKIs or ICIs in the presence or absence of VEGF/VEGFR inhibitors in relevant randomized trials between January 2009 and October 2023. The primary outcome was the odds ratio for the incidence of ILD in all patients worldwide and Asians. Secondary outcomes were the odds ratios (ORs) of the incidence at grade-3 or higher ILD in all patients worldwide and Asians. We identified 13 randomized studies, one sub-analysis in the EGFR-TKI group, and three randomized studies in the ICI group. In the EGFR-TKI group, the OR of ILD incidence at any grade with VEGF/VEGFR inhibitors was 0.54 (95% CI, 0.32-0.90; p = 0.02), which represented a significantly lower incidence than that without VEGF/VEGFR inhibitors. Contrarily, the OR of ILD incidence at grade ≥ 3 with VEGF/VEGFR inhibitors was 1.00 (95% CI, 0.43-2.36; p = 0.99). In all subjects in the ICI group, the OR of ILD incidence at any grade with VEGF/VEGFR inhibitors was 0.78 (95% CI, 0.51-1.21; p = 0.27). The systematic review demonstrated that the addition of VEGF/VEGFR inhibitors could reduce the incidence of drug-induced ILD at any grade caused by EGFR-TKI in patients with NSCLC but could not reduce that at grade ≥ 3. The ILD induced by ICIs remains undetermined owing to the limited number of randomized trials for which ILD data are available.
    UNASSIGNED: https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=409534, identifier CRD42023409534.
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  • 文章类型: Journal Article
    子宫内膜癌是最广泛的妇科癌症,随着发病率和死亡率的增加。Pembrolizumab,一种靶向PD1受体肿瘤的单克隆抗体,已批准用于微卫星不稳定性高(MSI-H)实体瘤患者。已经进行了许多临床试验和观察性研究,以评估Lenvatinib和Pembrolizumab联合治疗子宫内膜癌的安全性和有效性。然而,结果不一致,目前的数据是基于异质群体。主要目的是评估Lenvatinib联合Pembrolizumab治疗子宫内膜癌的安全性和有效性。
    从一开始就从四个数据库进行搜索;PubMed,谷歌学者,Cochrane图书馆,和ClinicalTrials.gov.电子数据库搜索从开始到2023年8月20日进行。
    我们考虑了随机对照试验和单臂观察研究,即队列,病例对照和横断面研究。
    我们进行了单臂荟萃分析,涉及7项研究,最终纳入495例子宫内膜癌患者,其结果如下:完全缓解,部分响应,无进展生存,疾病稳定,进行性疾病,安全结果,不良事件,以及死亡总数。
    我们的结果显示,88.6%的患者为非MSI-H/pMMR肿瘤阳性(95%CI=0.825-0.927),而6.5%(95%CI=3.8-9.8%)的患者为MSI-H/dMMR肿瘤。使用Lenvatinib和Pembrolizumab治疗的子宫内膜癌患者的汇总客观反应为36.5%(95%CI=0.258-0.471),完全缓解和部分缓解的汇总估计值分别为47%(95%CI=0.024~0.070)和31.3%(95%CI=0.230~0.396).38.2%患者病情稳定(95%CI=0.329-0.435),24.0%患者病情进展(95%CI=0.103-0.378)。合并的中位无进展生存期为5.97(95%CI5.43-7.63)个月,而中位总生存期为17.19个月(95%CI15.34-19.31).在治疗期间,所有级别的不良事件发生率为85%,3级或更严重的不良事件发生率为39%,而在治疗期间死亡发生率为23.8%。
    这项荟萃分析的结果得出结论,尽管Lenvatinib和Pembrolizumab的联合治疗的PFS和OS低于用于治疗晚期和复发性子宫内膜癌的标准治疗,它仍然是一种新颖的治疗方法,并显示出具有更大样本量的进一步研究潜力。
    UNASSIGNED: Endometrial carcinoma is the most widespread gynecological cancer, with increasing morbidity and mortality. Pembrolizumab, a monoclonal antibody that targets PD1 receptor tumors, is approved for patients with microsatellite instability-high (MSI-H) solid tumors. Many clinical trials and observational studies have been conducted to assess the safety and efficacy of Lenvatinib and Pembrolizumab combination therapy in the setting of endometrial cancer. However, results have been inconsistent, and current data is based on a heterogeneous population. The primary objective was to assess the safety and efficacy of Lenvatinib plus Pembrolizumab for endometrial cancer.
    UNASSIGNED: The search was conducted from inception from four databases; PubMed, Google Scholar, the Cochrane Library, and ClinicalTrials.gov. The electronic database search was conducted from inception to August 20, 2023.
    UNASSIGNED: We considered randomized controlled trials and single-arm observational studies, i.e. cohort, case-control and cross-sectional studies.
    UNASSIGNED: We performed a single-arm meta-analysis, involving 7 studies having a total of 495 patients with endometrial cancer were eventually included which had the following outcomes: Complete response, Partial response, Progression-free survival, stable disease, progressive disease, safety outcomes, Adverse events, and the total number of deaths.
    UNASSIGNED: Our results showed that 88.6 % of the patients were positive for non-MSI-H/pMMR tumors (95 % CI = 0.825-0.927) whereas 6.5 % (95 % CI = 3.8-9.8 %) of the patients for MSI-H/dMMR tumors. The pooled objective response of endometrial cancer patients treated with Lenvatinib and Pembrolizumab was 36.5 % (95 % CI = 0.258-0.471), the pooled estimate of complete and partial response was 47 % (95 % CI = 0.024-0.070) and 31.3 % (95 % CI = 0.230-0.396). 38.2 % patients had stable disease (95 % CI = 0.329-0.435) and 24.0 % patients had progressive disease (95 % CI = 0.103-0.378). The pooled median progression-free survival was 5.97 (95 % CI 5.43-7.63) months and, whereas the median overall survival was 17.19 months (95 % CI 15.34-19.31). All grade adverse events occurred in 85 % and Grade 3 or worse adverse events occurred in 39 % of patients during the therapy whereas death occurred in 23.8 % during the treatment.
    UNASSIGNED: The results of this meta-analysis concludes that although the combined treatment of a Lenvatinib and Pembrolizumab had a PFS and OS that was inferior to the standard therapy used to treat advanced and recurrent endometrial cancer, it is still a novel treatment and shows potential for further research with a greater sample size.
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  • 文章类型: Case Reports
    终身免疫抑制,一些免疫抑制药物的细胞毒性作用,和机会性致癌病毒会增加实体器官受者的恶性风险。在该患者人群中,包括慢性粒细胞白血病(CML)在内的骨髓性肿瘤的风险也增加。酪氨酸激酶抑制剂(TKIs),移植患者应谨慎使用CML治疗的关键要素,因为它们可能与钙调磷酸酶抑制剂相互作用.有了这份报告,介绍了一名63岁的女性肾移植受者,他在肾移植后9年发展为CML.由于担心不良事件,包括其与他克莫司的相互作用,该患者的CML用伊马替尼(300mg)的剂量略有减少。在伊马替尼治疗12个月时达到了深层分子反应(DMR)。随访30个月后,患者仍处于DMR状态,未出现任何不良事件或急性排斥事件。广泛的文献综述讨论了CML和TKIs在肾移植患者中的使用。在这个患者群体中,TKI通常具有良好的耐受性,可实现治疗反应和良好的预后。只要监测药物相互作用,移植功能也能很好地保持。
    Lifelong immunosuppression, cytotoxic effects of some immunosuppressive drugs, and opportunistic oncogenic viruses increase malignancy risks in solid organ recipients. The risk of myeloid neoplasms including chronic myeloid leukemia (CML) is also increased in this patient population. Tyrosine kinase inhibitors (TKIs), the key element of CML therapy, should be used cautiously in transplantation patients as they may interact with calcineurin inhibitors. With this report, a 63-year-old female kidney transplant recipient who developed CML 9 years after kidney transplantation is presented. CML in this patient was treated with a slightly reduced dose of imatinib (300 mg) due to concerns of adverse events including its interaction with tacrolimus. Deep molecular response (DMR) was achieved at 12 months under imatinib treatment. The patient is still in DMR after 30 months of follow-up, and she did not experience any adverse events or acute rejection episodes. CML and the use of TKIs in kidney transplant patients have been discussed with an extensive literature review. In this patient population, TKIs are generally well tolerated with achievement of treatment responses and good prognosis. Graft functions are also well maintained as long as drug interactions are monitored.
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  • 文章类型: Meta-Analysis
    背景:使用表皮生长因子受体-酪氨酸激酶抑制剂(EGFR-TKIs)可能会导致间质性肺病(ILD),会严重影响患者的生活质量,随后导致中断或停止EGRF-TKI治疗。临床医生,因此,需要彻底评估患者,以确定他们是否有ILD的风险。
    方法:我们在以下数据库中搜索了观察性研究:MEDLINE通过PubMed,中部,和IchushiWeb。主要结果是ILD发展的危险因素,而次要结局是ILD严重程度的危险因素.在1602项研究中,我们选择了11个进行荟萃分析,使用随机效应模型执行。
    结果:发生ILD的危险因素是性别(比值比(OR),1.87;95%置信区间(CI),1.08-3.22;I2=0%;P=0.02),吸烟史(或,2.13;95%CI,1.51-3.00;I2=34%;P=0.0001),和ILD病史(OR=5.95;95%CI,3.34-10.59;I2=67%;P=0.0009)。年龄,既往胸外科手术或放疗,性能状态,肺癌的组织学类型,和治疗线是ILD的无统计学意义的危险因素。在一项研究中确定的危险因素是血清白蛋白水平,Nivolumab使用史,影像学残余肺容积,肺部感染史。
    结论:我们确定了EGFR-TKIs治疗的非小细胞肺癌患者发生ILD的危险因素。
    BACKGROUND: The use of epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) can potentially result in interstitial lung disease (ILD), which can substantially impact a patient\'s quality of life, subsequently leading to the interruption or discontinuation of EGRF-TKI treatment. Clinicians, therefore, need to thoroughly assess patients to determine if they are at risk for ILD.
    METHODS: We searched for observational study in the following databases: MEDLINE via the PubMed, CENTRAL, and IchushiWeb. The primary outcome was risk factors for the development of ILD, while the secondary outcome was risk factors for the severity of ILD. Of the 1602 studies returned, we selected 11 for meta-analysis, performed using a random-effects model.
    RESULTS: Risk factors for developing ILD were sex (odds ratio (OR), 1.87; 95% confidence interval (CI), 1.08-3.22; I2 = 0%; P = 0.02), smoking history (OR, 2.13; 95% CI, 1.51-3.00; I2 = 3 4%; P = 0.0001), and history of ILD (OR = 5.95; 95% CI, 3.34-10.59; I2 = 67%; P = 0.0009). Age, previous thoracic surgery or radiotherapy, performance status, histological type of lung cancer, and treatment line were not statistically significant risk factors for ILD. Risk factors identified in one study were serum albumin level, history of nivolumab use, radiographic residual lung volume, and history of pulmonary infection.
    CONCLUSIONS: We identified risk factors for developing ILD in patients with non-small cell lung cancer treated with EGFR-TKIs.
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  • 文章类型: Journal Article
    背景:对遗传性肺癌的兴趣正在增加,特别是表皮生长因子受体(EGFR)基因中的种系突变。我们回顾了关于这个主题的最新文献,讨论患肺癌的风险,治疗和筛查选择,并描述了一个由3个肺癌姐妹组成的家庭及其未受影响的母亲,他们都患有罕见的EGFR种系突变(EGFRp.R776H)。
    方法:我们搜索了PubMed,Medline,Embase,Cochrane图书馆,谷歌学者和扫描的文章参考列表。搜索词包括“EGFR种系”和“家族性肺癌”或“EGFR家族性肺癌”。我们还描述了我们管理一个罕见种系EGFR突变肺癌家庭的经验。
    结果:虽然数字很小,文献中描述的案例显示出几个相似之处。患者年龄较小,通常没有吸烟史或吸烟史。50%的患者接受酪氨酸激酶抑制剂(TKIs)治疗,OS超过6个月。
    结论:虽然罕见,种系p.R776HEGFR肺癌突变在轻度或从不吸烟的女性患者中表现过多,这些女性患者通常还具有额外的体细胞EGFR突变.用TKIs治疗似乎是合适的,但需要进一步研究未受影响的携带者或轻度/从不吸烟者的适当筛查方案。
    BACKGROUND: Interest in hereditary lung cancer is increasing, in particular germline mutations in the Epidermal Growth Factor Receptor (EGFR) gene. We review the current literature on this topic, discuss risk of developing lung cancer, treatment and screening options and describe a family of 3 sisters with lung cancer and their unaffected mother all with a rare EGFR germline mutation (EGFR p.R776H).
    METHODS: We searched PubMed, Medline, Embase, the Cochrane Library, Google Scholar and scanned reference lists of articles. Search terms included \"EGFR germline\" and \"familial lung cancer\" or \"EGFR familial lung cancer\". We also describe our experience of managing a family with rare germline EGFR mutant lung cancer.
    RESULTS: Although the numbers are small, the described cases in the literature show several similarities. The patients are younger and usually have no or light smoking history. 50% of the patients were treated with a tyrosine kinase inhibitor (TKIs) with OS over six months.
    CONCLUSIONS: Although rare, germline p.R776H EGFR lung cancer mutations are over-represented in light or never smoking female patients who often also possess an additional somatic EGFR mutation. Treatment with TKIs appears suitable but further research is needed into the appropriate screening regime for unaffected carriers or light/never smokers.
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  • 文章类型: Journal Article
    BCR的治疗和理解:ABL1阳性白血病是精准医学的成功案例。我们对慢性髓性白血病(CML)和费城染色体阳性(Ph)急性白血病中BCR::ABL1基因和由此产生的BCR::ABL1癌蛋白的欣赏,导致治疗进展与患者预后的异常改善相关,许多慢性期(CP-)CML患者的预期寿命正常。然而,尽管这些重大的治疗进展,Ph+白血病的管理仍然很复杂,随着治疗中特定抗性突变的发展,尽管酪氨酸激酶抑制剂(TKIs)长期治疗,但由于CML干细胞的持续存在,大多数患者仍需要终身治疗。BCR::ABL1特异性TKIs与影响许多患者生活质量的慢性毒性相关,但也可导致更严重的肺和心血管并发症。剂量优化越来越多地用于控制CML患者的副作用和维持分子反应。这里,我们回顾了BCR::ABL1特异性TKIs从1996年伊马替尼的发现到最近的第二代和第三代TKIs以及新出现的特异性靶向ABL肉豆蔻酰基囊袋(STAMP)抑制剂的发展.我们还将评估目前治疗BCR的证据::ABL1阳性白血病,包括最佳反应CP-CML患者的TKI停药。
    Treatment and understanding of BCR::ABL1-positive leukaemias is a precision medicine success story. Our appreciation of the BCR::ABL1 gene and resulting BCR::ABL1 oncoprotein in chronic myeloid leukaemia (CML) and Philadelphia chromosome-positive (Ph+) acute leukaemias, has led to treatment advances associated with exceptional improvements in patient outcomes with normal life expectancy for many patients with chronic phase (CP-)CML. However, despite these major therapeutic advances, the management of Ph+ leukaemias remains complex, with development of specific resistance mutations on treatment, as well as the need for lifelong therapy in most patients due to the persistence of CML stem cells despite prolonged tyrosine kinase inhibitors (TKIs) treatment. BCR::ABL1-specific TKIs are associated with chronic toxicities affecting quality-of-life in many patients but can also result in more serious pulmonary and cardiovascular complications. Dose optimisation is increasingly being used to manage side effects and maintain molecular response in CML patients. Here, we review the development of BCR::ABL1-specific TKIs from the discovery of imatinib in 1996 to the more recent second- and third-generation TKIs and emerging specifically targeting the ABL myristoyl pocket (STAMP) inhibitors. We will also evaluate the current evidence for treatment of BCR::ABL1-positive leukaemias, including TKI discontinuation in optimally responding CP-CML patients.
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  • 文章类型: Journal Article
    自从引入第一种酪氨酸激酶抑制剂(TKI)伊马替尼以来,慢性粒细胞白血病(CML)的治疗已达到了良好的预期生存。长生存率带来有关TKI安全性的问题。
    本综述的目的是比较当前TKIs在第一和后面的副作用,并概述CML治疗的安全性和概况。关于TKIs和其他新药的开创性研究以及这些研究的长期随访;在此过程中使用了每种药物的真实数据。PubMed用作搜索数据库,仅包括英文文章。
    随着CML患者的随访时间延长,耐药性缓慢不良事件似乎是治疗效果的主要障碍。如果效率是优先考虑的,积极治疗副作用和全剂量TKI是合理的。但是当达到治疗目标时,可能接受剂量修改或替代治疗方案。需要对剂量调整方案以及免治疗缓解的潜在益处和安全性进行更多研究。
    UNASSIGNED: Since the introduction of first tyrosine kinase inhibitor (TKI) imatinib, the treatment of chronic myeloid leukemia (CML) has reached excellent survival expectancies. Long survival rates bring about issues regarding TKI safety.
    UNASSIGNED: The aim of this review is to compare the side effects of current TKIs both in the first and later lines and outline a safety andprofile of CML treatment. Seminal studies on TKIs and other newer drugs and extended follow-up of these studies; real-life data of each drug were usedduring the course of this. PubMed was used as a search database and onlyarticles in English were included.
    UNASSIGNED: With longer follow-up CML patients, resistant slowgrade adverse events seem to be the major obstacle in the way of treatmentefficacy. If efficacy is the priority, vigorous treatment of side effect and administration of full dose TKI are reasonable. But when treatment goals are reached, dose modifications or alternative treatment regimens may be acceptedpossible. More studies are needed on dose modification protocols and potential benefits and safety of treatment-free remission.
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