vascular endothelial growth factor

血管内皮生长因子
  • 文章类型: Journal Article
    在阿拉伯联合酋长国,视网膜病变已被证明存在于19%的糖尿病人群中,在55岁以上的人群中,高达40%的人患有糖尿病。尽管糖尿病视网膜疾病的流行,关于糖尿病性黄斑水肿(DME)的治疗尚无统一的国家指南.这些已发表的指南是基于从文献和已发表的治疗试验中取得的证据,以及对这种情况感兴趣的代表性专家小组的共识意见,由阿联酋眼科学会召集。目的是提供基于证据的,DME不同方面的最佳管理的临床指导,特别关注威胁视力的糖尿病视网膜病变。最佳矫正视力为20/30或更差的患者应开始治疗,和/或在光学相干断层扫描(OCT)上看到的DME特征,中央视网膜厚度(CRT)至少为300μm或视力优于20/25的有症状患者,和/或CRT小于300μm,其中OCT特征与中心累及的黄斑水肿一致。无论糖化血红蛋白(HbA1c)水平如何,DME的治疗都是有效的,为了优化系统参数,不得拒绝或延迟治疗。应与患者讨论所有眼科治疗方案,以获得更好的依从性和期望。最初可以观察到不涉及中心的DME,直到记录了朝向中心的进展。黄斑激光在涉及中心的DME中不再起主要作用,抗血管内皮生长因子(抗VEGF)治疗应被视为所有患者的一线治疗,除非禁忌。如果抗VEGF是禁忌的,类固醇地塞米松植入物可考虑用于一线治疗.还讨论了在特殊情况下以及复发和难治性DME中治疗DME的建议。
    In the United Arab Emirates, retinopathy has been shown to be present in 19% of the diabetic population, with diabetes identified in up to 40% of individuals aged over 55 years. Despite the prevalence of diabetic retinal diseases, there are no unified national guidelines on the management of diabetic macular edema (DME). These published guidelines are based on evidence taken from the literature and published trials of therapies, and consensus opinion of a representative expert panel with an interest in this condition, convened by the Emirates Society of Ophthalmology. The aim is to provide evidence-based, clinical guidance for the best management of different aspects of DME, with a special focus on vision-threatening diabetic retinopathy. Treatment should be initiated in patients with best-corrected visual acuity 20/30 or worse, and/or features of DME as seen on optical coherence tomography (OCT) with central retinal thickness (CRT) of at least 300 μm or in symptomatic patients with vision better than 20/25, and/or CRT less than 300 μm where there are OCT features consistent with center-involving macular edema. The treatment of DME is effective irrespective of glycated hemoglobin (HbA1c) level, and treatment must not be denied or delayed in order to optimize systemic parameters. All ophthalmic treatment options should be discussed with the patient for better compliance and expectations. Non-center-involving DME can be initially observed until progression toward the center is documented. Macular laser no longer has a primary role in center-involving DME, and anti-vascular endothelial growth factor (anti-VEGF) therapy should be considered as first-line treatment for all patients, unless contraindicated. If anti-VEGF is contraindicated, a steroid dexamethasone implant can be considered for first-line treatment. Recommendations for the treatment of DME in special circumstances and in relapsing and refractory DME are also discussed.
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  • 文章类型: Journal Article
    无糖尿病性黄斑水肿(DME)的非增殖性(NPDR)和增殖性糖尿病视网膜病变(PDR)影响全世界数百万患有糖尿病的个体。有关此类患者的各种管理策略的数据越来越多,但在如何将这些数据应用于临床实践方面的共识有限.
    本文献综述和社论介绍并综合了当前关于无DME的NPDR和PDR的各种管理范例的证据。
    视网膜专家是糖尿病管理团队不可或缺的成员,并应鼓励患者注意血糖和心血管优化对减少系统性和视网膜病变危险因素的重要性。糖尿病视网膜病变严重程度量表(DRSS)现在是美国临床试验的可批准终点,因此变得更具临床相关性。对于不带DME的PDR,糖尿病视网膜病变研究(DRS)和糖尿病视网膜病变早期治疗研究(ETDRS)建立了全视网膜光凝(PRP)治疗标准.此后,激光参数已发展为包括强度较低且较早的干预。最近的研究表明,PDR的抗血管内皮生长因子(VEGF)治疗可有效缓解许多患者的新生血管形成并改善DRSS水平。需要进一步的证据来确定最佳治疗频率,持续时间,和再治疗标准,在现实世界中。在抗VEGF治疗期间失去随访的患者中存在不良事件的担忧。对于没有DME的NPDR,护理标准是一种观望的方法。DRS和ETDRS中的数据表明,用于重度NPDR的PRP也可以作为选择患者的选择。多项临床试验现已证明抗VEGF治疗可以改善NPDR的DRSS评分。需要进一步的研究来评估这是否会对长期视力产生积极影响。以及日常使用的好处是否大于现实世界中的风险。
    有累积证据表明,对于无DME的NPDR和PDR,各种治疗方案的有效性。目前,患者最有可能受益于针对个体患者量身定制的周到管理策略.
    UNASSIGNED: Nonproliferative (NPDR) and proliferative diabetic retinopathy (PDR) without diabetic macular edema (DME) affect millions of individuals living with diabetes throughout the world. There is increasing data on various management strategies for such patients, but there is limited consensus on how the data should be adopted into clinical practice.
    UNASSIGNED: This literature review and editorial presents and synthesizes the current evidence for various management paradigms for NPDR and PDR without DME.
    UNASSIGNED: Retina specialists are an integral member of the diabetes management team, and should encourage patients on the importance of glycemic and cardiovascular optimization for both systemic and retinopathy risk factor reduction. The diabetic retinopathy severity scale (DRSS) is now an approvable endpoint for clinical trials in the United States, therefore becoming more clinically relevant. For PDR without DME, the Diabetic Retinopathy Study (DRS) and the Early Treatment Diabetic Retinopathy Study (ETDRS) established the standard of care with panretinal photocoagulation (PRP). Laser parameters have since evolved to include less intense and earlier intervention. Studies have recently demonstrated that anti-vascular endothelial growth factor (VEGF) treatment of PDR is effective at regressing neovascularization and improving DRSS levels in many patients. Further evidence is required to determine optimal treatment frequency, duration, and retreatment criteria, in the real world. There are concerns for adverse events in patients being lost to follow up during anti-VEGF treatment. For NPDR without DME, the standard of care has been a wait-and-watch approach. Data within the DRS and the ETDRS suggest that PRP for severe NPDR can be an option for select patients as well. Multiple clinical trials have now demonstrated that anti-VEGF treatment can improve the DRSS score in NPDR. Further studies are required to assess whether this positively affects long-term visual outcomes, and whether the benefits outweigh the risks in the real world for routine use.
    UNASSIGNED: There is cumulative evidence demonstrating the efficacy of various treatment options for NPDR and PDR without DME. Currently, patients would most likely benefit from thoughtful management strategies that are tailored to the individual patient.
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  • 文章类型: Journal Article
    Diabetic macular edema (DME) is the most common cause of vision loss among patients with diabetes mellitus (DM), rendering it an important growing challenge in ophthalmology. In the past decades, the management strategies for DME had a few paradigm shifts, and the advent of an expanding number of anti-vascular endothelial growth factor (VEGF) agents also calls for an in-depth examination of the currently available evidence. This article was composed with the intention to provide recommendations for practicing clinicians to improve the management and, through it the outcomes of DME. Drawing from current guideline recommendations, clinical trial findings and local clinical experiences, these consensus recommendations for the management of DME were formed by an expert panel through iterations of discussion and voting. First, the treatment goal of DME is to achieve best visual outcome with edema improvement while minimizing treatment burden. Second, anti-VEGF therapy should be considered as the first-line treatment for patients with center-involving DME causing vision loss. Baseline visual acuity (VA) and central subfield thickness (CST) should be taken into consideration when choosing anti-VEGF agents. Third, early intensive anti-VEGF therapy (at least 3 monthly doses) is important for better patients\' VA and anatomical improvement. In non-responders who have already been treated with 3-5 injections of anti-VEGF agents, it is reasonable to switch to other modalities, such as steroids. Finally, for the follow-up phase, fixed or individualized dosing should be considered based on VA and OCT.
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  • 文章类型: Journal Article
    目的:总结在亚太地区使用玻璃体内阿柏西普治疗和扩展方案治疗新生血管性年龄相关性黄斑变性(nAMD)的建议。尽管抗血管内皮生长因子治疗改善了nAMD患者的生活质量,失明和视力障碍的主要原因,当前指南推荐的高治疗频率给患者和医疗保健提供者带来了巨大负担.
    方法:来自共识小组的推荐指南。
    方法:专家小组就在亚太地区使用玻璃体内阿柏西普治疗nAMD的建议达成共识。
    结果:经过3个月的初始剂量,治疗间隔可以延长4周,最长为12周,在非活动性疾病患者中。相反,在活动性疾病中,治疗间隔应缩短,四周后,或在严重复发的情况下4周。在12周的间隔治疗12个月后,疾病活动稳定的患者可以停止治疗,作为防止过度治疗和终身注射的手段。
    结论:与现有建议相比,这些建议可能会在保持疗效的同时,通过减少就诊次数来减少治疗次数并提高依从性。
    OBJECTIVE: To summarize recommendations for the use of intravitreal aflibercept with a treat-and-extend regimen to manage neovascular age-related macular degeneration (nAMD) in the Asia-Pacific region. Although anti-vascular endothelial growth factor therapies have improved the quality of life of patients with nAMD, a leading cause of blindness and visual impairment, the high treatment frequency recommended by current guidelines places a significant burden on patients and healthcare providers.
    METHODS: Recommended guidelines from a consensus panel.
    METHODS: An expert panel formed a consensus on recommendations for use of intravitreal aflibercept as treatment of nAMD in the Asia-Pacific region.
    RESULTS: After 3 initial monthly doses, treatment interval could be extended by 4-week increments, to a maximum of 12 weeks, in patients with inactive disease. Conversely, in active disease, treatment intervals should be shortened, by 4 weeks, or to 4 weeks in cases of severe recurrence. Treatment could be ceased in patients with stable disease activity after 12 months of treatment at 12-week intervals, as a means to prevent over treatent and lifelong injections.
    CONCLUSIONS: These recommendations could potentially minimize the number of treatments while maintaining efficacy and improve compliance by reducing the number of clinic visits compared with existing recommendations.
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  • 文章类型: Journal Article
    肿瘤金标准(OGS)肾细胞癌(RCC)专家组制定了共识声明,以使用已发表的证据为社区肿瘤学家提供有关晚期透明细胞(cc)RCC管理的实用指南。现实生活管理专家的实践经验,以及一项涉及144名医疗保健专业人员的全国调查结果。包含33个独特问题的六个大问题类别涵盖了RCC常规管理中的主要情况。本文件可作为优化结果的护理标准的现成指南。最后的“带回家的信息”表是忙碌的从业者的方便工具。
    The Oncology Gold Standard (OGS) Expert Group on renal cell carcinoma (RCC) developed the consensus statement to provide community oncologists practical guidelines on the management of advanced clear cell (cc) RCC using published evidence, practical experience of experts in real life management, and results of a nationwide survey involving 144 health-care professionals. Six broad question categories containing 33 unique questions cover major situations in the routine management of RCC. This document serves as a ready guide for the standard of care to optimize outcome. The table of \"Take Home Messages\" at the end is a convenient tool for busy practitioners.
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