targeted literature review

有针对性的文献综述
  • 文章类型: Journal Article
    背景:右侧感染性心内膜炎(RSIE)是由微生物引起的,发展为心内和心外并发症,院内死亡率高,1年死亡率高。治疗涉及抗生素和手术干预。然而,那些表现为极端的人,例如心力衰竭,或脓毒性休克谁不是常规药物治疗的理想候选人可能受益于微创手术。
    目的:这篇综述总结了现有的观察性研究,这些研究报道了在瓣膜或心脏可植入电子设备上进行的感染性心内膜炎导致植被萎缩的微创手术。
    方法:进行了有针对性的文献综述,以确定发表在PubMed/MEDLINE上的研究,EMBASE,和Cochrane中央数据库从2015年1月1日至2023年6月5日。根据PRISMA指南,总结了由于RSIE引起的对植被进行微创手术干预的功效和/或有效性。
    结果:共纳入11项研究,共208例RSIE患者。有9项研究评估了AngioVac系统的有效性,2项研究评估了半影系统。手术总成功率为87.9%。在8项报告住院指数的研究中,4项研究报告没有死亡,而其他4项研究报告了10例死亡。
    结论:这项研究表明,多系统可以为RSIE患者提供微创手术选择,具有很高的手术成功率。然而,关于并发症和死亡率的结果好坏参半.需要进一步的大型队列研究或随机临床试验来评估和/或比较这些系统的疗效和安全性。
    BACKGROUND: Right-side infective endocarditis (RSIE) is caused by microorganisms and develops into intracardiac and extracardiac complications with high in-hospital and 1-year mortality. Treatments involve antibiotic and surgical intervention. However, those presenting with extremes e.g. heart failure, or septic shock who are not ideal candidates for conventional medical therapy might benefit from minimally invasive procedures.
    OBJECTIVE: This review summarizes existing observational studies that reported minimally invasive procedures to debulk vegetation due to infective endocarditis either on valve or cardiac implantable electronic devices.
    METHODS: A targeted literature review was conducted to identify studies published in PubMed/MEDLINE, EMBASE, and Cochrane Central Database from January 1, 2015 to June 5, 2023. The efficacy and/or effectiveness of minimally invasive procedural interventions to debulk vegetation due to RSIE were summarized following PRISMA guidelines.
    RESULTS: A total of 11 studies with 208 RSIE patients were included. There were 9 studies that assessed the effectiveness of the AngioVac system and 2 assessed the Penumbra system. Overall procedure success rate was 87.9%. Among 8 studies that reported index hospitalization, 4 studies reported no death, while the other 4 studies reported 10 deaths.
    CONCLUSIONS: This study demonstrates that multiple systems can provide minimally invasive procedure options for patients with RSIE with high procedural success. However, there are mixed results regarding complications and mortality rates. Further large cohort studies or randomized clinical trials are warranted to assess and/or compare the efficacy and safety of these systems.
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  • 文章类型: Journal Article
    监管指南建议在关键临床研究中使用前对患者报告结果(PRO)仪器进行验证。然后可用于生成以患者为中心的关键证据并支持标签声明。这篇有针对性的文献综述旨在确定在第3阶段试验设置中进行心理测量验证的PRO仪器是否可以支持来自同一第3阶段研究的标签声明(即PRO数据作为终点生成)。
    使用MEDLINE数据库对已发表的研究(2006年1月1日至2021年6月3日)进行有针对性的搜索,确定了在3期试验期间验证的PRO仪器。搜索包括仪器术语(例如,患者报告的结果测量,问卷,调查)和验证术语(例如再现性,最小重要差异),没有过滤治疗适应症。结果仅限于3期临床试验或验证研究。PROLABELS数据库用于识别在第3阶段试验中验证并在标签声明中接受的PRO。
    在确定的355个参考文献中,在3期研究中选择了68项具有PRO心理测量验证的研究,涵盖78种仪器。其中,20个是新型PRO仪器,58个是正在验证新治疗适应症/人群的现有仪器。最频繁验证的心理测量特性是内部一致性可靠性,已知组有效性,响应性、响应性最小的重要差异,和并发有效性。五种新型仪器获得了七种药物/产品的十项标签要求。
    这些结果表明,新型PRO仪器的定量验证,以及新适应症的现有PRO,可以在第三阶段试验的背景下发生,这些PRO也可以支持标签声明。
    Regulatory guidance advises validation of patient-reported outcome (PRO) instruments prior to use in pivotal clinical studies, which may then be used to generate critical patient-centered evidence and support labelling claims. This targeted literature review aimed to determine if PRO instruments psychometrically validated in a phase 3 trial setting could support label claims from the same phase 3 study (i.e. PRO data were generated as an endpoint).
    A targeted search of published studies (1 January 2006-3 June 2021) using the MEDLINE database identified PRO instruments validated during phase 3 trials. The search included instrument terms (e.g. patient-reported outcome measures, questionnaire, survey) and validation terms (e.g. reproducibility, minimal important difference), without filtering for therapeutic indications. Results were limited to phase 3 clinical trials or validation studies. The PROLABELS database was used to identify PROs validated in phase 3 trials and accepted in labelling claims.
    Of 355 references identified, 68 studies with PRO psychometric validation in phase 3 studies were selected, covering 78 instruments. Of these, 20 were novel PRO instruments and 58 were existing instruments being validated for a new therapeutic indication/population. The psychometric properties most frequently validated were internal consistency reliability, known-group validity, responsiveness, minimal important difference, and concurrent validity. Five novel instruments obtained ten labelling claims for seven drugs/products.
    These results suggest that quantitative validation of novel PRO instruments, and existing PROs for new indications, can occur within the context of phase 3 trials, and these PROs can also support label claims.
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  • 文章类型: Review
    未经证实:肠外致病性大肠杆菌(ExPEC)是侵袭性疾病的主要原因,包括菌血症和败血症.侵袭性ExPEC疾病(IED)有可能使其他疾病的临床治疗复杂化,并与死亡率增加有关。住院治疗,更糟糕的结果。老年人和患有共病的个体患IED的风险较高。由于人口老龄化和抗菌素耐药性上升,ExPEC在亚太地区受到特别关注。
    未经评估:本研究旨在综合流行病学的最新数据,中国老年人/高危人群IED的临床和经济负担,Japan,韩国,台湾,和澳大利亚。
    UNASSIGNED:使用Embase进行了有针对性的文献综述,Medline以及当地的科学数据库。我们纳入了2010年1月1日至2020年10月7日以英语和当地语言发表的与研究目标相关的研究。研究是叙述性综合的。
    UNASSIGNED:共确定了1,047项研究,其中34项纳入本综述。在韩国60岁以上的患者中,ExPEC占细菌相关侵袭性疾病的46.0%(1,238/2,692),其次是中国(44.4%(284/640)),台湾(39.0%(1,244/3,194)),和日本(18.1%(581/3,206)),而澳大利亚在一般成年人中报告了所有病原体中的ExPEC(54.7%(4,006/7,330))。糖尿病或癌症等合并症在这些患者中很常见。研究报告了住院时间的增加,与ExPEC相关菌血症相关的住院30日全因死亡率为9%~12%.从成本的角度来看,据报道,2005-2012年间,韩国脓毒症相关费用增加了3倍.在澳大利亚,抗菌素耐药性导致每年580万澳元的额外成本(95%不确定区间[UI],2.2-1,120万美元)用于治疗血流感染(BSIs)。
    未经证实:ExPEC是中国各地血流感染的主要原因,Japan,韩国,台湾,和澳大利亚。与ExPEC感染相关的临床和经济负担以及在老年人中观察到的抗菌素耐药性都要求在这些地区采取预防和治疗行动。重点总结肠外致病性大肠杆菌(ExPEC)是侵袭性疾病的主要原因,包括菌血症和败血症.有针对性的文献综述包括34项已发表的关于中国老年人/高危人群IED流行病学和临床经济负担的研究的最新数据,Japan,韩国,台湾,和澳大利亚。在韩国60岁以上的患者中,ExPEC占细菌相关侵袭性疾病的46.0%(1,238/2,692),其次是中国(44.4%(284/640)),台湾(39.0%(1,244/3,194)),和日本(18.1%(581/3,206)),而澳大利亚在一般成年人中报告了所有病原体中的ExPEC(54.7%(4,006/7,330))。研究报告说,住院时间和住院30天全因增加了9%至12%。这些因素以及在老年人中观察到的抗菌素耐药性要求在这些地区采取预防和治疗行动。该地区与ExPEC诱导的BSI或败血症相关的成本数据有限,但是有证据表明支出在增加。
    UNASSIGNED: Extraintestinal Pathogenic Escherichia coli (ExPEC) is a leading cause of invasive disease, including bacteremia and sepsis. Invasive ExPEC disease (IED) has the potential to complicate the clinical treatment of other conditions and is associated with an increased mortality, hospitalization, and worse outcomes. Older adults and individuals with comorbid conditions are at higher risk of IED. ExPEC is of particular concern in the Asia Pacific region due to aging populations and rising antimicrobial resistance.
    UNASSIGNED: This study aimed to synthesize most recent data on the epidemiology, clinical and economic burden of IED in the elderly/high risk populations in China, Japan, South Korea, Taiwan, and Australia.
    UNASSIGNED: A targeted literature review was conducted using Embase, Medline, as well as local scientific databases. We included studies published in English and local languages published from January 1, 2010 to October 7, 2020 that were relevant to the research objectives. Studies were narratively synthesized.
    UNASSIGNED: A total of 1,047 studies were identified and 34 of them were included in this review. ExPEC accounted for 46.0% (1,238/2,692) of bacteria-related invasive diseases in patients aged above 60 years in South Korea, followed by China (44.4% (284/640)), Taiwan (39.0% (1,244/3,194)), and Japan (18.1% (581/3,206)), while Australia reported ExPEC out of all pathogens (54.7% (4,006/7,330)) in general adults. Comorbidities such as diabetes or cancer were common in these patients. Studies reported increases in length-of-stay, and in-hospital 30-day all-cause mortality related to ExPEC associated bacteremia was between 9% to 12%. From a cost perspective, a 3-fold increase in sepsis-associated cost was reported in South Korea between 2005 and 2012. In Australia, antimicrobial resistance contributed to an additional cost of AUD $5.8 million per year (95% uncertainty interval [UI], $2.2-$11.2 million) in the treatment of bloodstream infections (BSIs).
    UNASSIGNED: ExPEC was a major cause of blood stream infection across China, Japan, South Korea, Taiwan, and Australia. Both the clinical and economic burden associated to ExPEC infections as well as the antimicrobial resistance observed in the elderly call for preventive and curative actions in these regions.
    Extraintestinal Pathogenic Escherichia coli (ExPEC) is a leading cause of invasive disease, including bacteremia and sepsis.A targeted literature review included the most recent data from 34 published studies on the epidemiology and clinical and economic burden of IED in the elderly/high risk populations in China, Japan, South Korea, Taiwan, and Australia.ExPEC accounted for 46.0% (1,238/2,692) of bacteria-related invasive diseases in patients aged above 60 years in South Korea, followed by China (44.4% (284/640)), Taiwan (39.0% (1,244/3,194)), and Japan (18.1% (581/3,206)), while Australia reported ExPEC out of all pathogens (54.7% (4,006/7,330)) in general adults. Studies reported increases in length-of-stay and in-hospital 30-day all-cause between 9% to 12%. These factors, along with antimicrobial resistance observed in the elderly, call for preventive and curative actions in these regions.Data for costs associated with ExPEC induced BSI or sepsis in this region are limited, but evidence shows increasing expenditures.
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  • 文章类型: Journal Article
    临床指南建议在肠内营养(EN;补充肠外营养(SPN))中添加肠外营养(PN),以满足仅EN不足的癌症患者的能量和蛋白质需求。然而,尽管癌症相关的营养不良很常见,人们对营养保健的价值认识不足,导致SPN长期未被充分利用。
    我们进行了有针对性的文献综述和探索性成本效用分析,以收集有关SPN临床有效性的证据。并评估SPN与单独EN在示例癌症环境中的潜在成本效益。
    文献综述确定了将SPN与营养不良标志物联系起来的研究,以及将营养不良标志物与临床结果联系起来的研究。SPN与体重指数(BMI)的改善有关,无脂质量,相位角(PhA)和前白蛋白。在这些标记中,BMI和PhA是生存的有力预测因子。通过结合公布的数据,我们对与SPN相关的总生存期HR进行了间接估计;这些范围为0.80~0.99(模式0.87).在IV期无法手术的胰腺癌患者中,与单独使用EN相比,增量成本-效果比估计为41350英镑或91501英镑,这取决于EN和SPN的护理和家庭分娩费用是合并还是单独提供.
    尽管缺乏直接证据,文献综述的结果表明,SPN可能为癌症患者提供重要的临床和生活质量益处.在建模的患者群体中,任何改善结果的潜力都非常有限,因此,不太严重的疾病和其他类型癌症患者的成本效益可能更高。
    Clinical guidelines recommend that parenteral nutrition (PN) is added to enteral nutrition (EN; supplemental parenteral nutrition (SPN)) in order to meet energy and protein needs in patients with cancer when EN alone is insufficient. However, although cancer-related malnutrition is common, there is poor awareness of the value of nutritional care, resulting in SPN being chronically underused.
    We performed a targeted literature review and exploratory cost-utility analysis to gather evidence on the clinical effectiveness of SPN, and to estimate the potential cost-effectiveness of SPN versus EN alone in an example cancer setting.
    The literature review identified studies linking SPN with malnutrition markers, and studies linking malnutrition markers with clinical outcomes. SPN was linked to improvements in body mass index (BMI), fat-free mass, phase angle (PhA) and prealbumin. Of these markers, BMI and PhA were strong predictors of survival. By combining published data, we generated indirect estimates of the overall survival HR associated with SPN; these ranged from 0.80 to 0.99 (mode 0.87). In patients with Stage IV inoperable pancreatic cancer, the incremental cost-effectiveness ratio versus EN alone was estimated to be £41 350 or £91 501 depending on whether nursing and home delivery costs for EN and SPN were combined or provided separately.
    Despite a lack of direct evidence, the results of the literature review demonstrate that SPN may provide important clinical and quality of life benefits to patients with cancer. The potential for any improvement in outcomes in the modelled patient population is very limited, so cost-effectiveness may be greater in patients with less severe disease and other types of cancer.
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  • 文章类型: Journal Article
    在有很大主观成分的疾病中,如乳糜泻(CD),患者报告结局(PRO)终点高度相关.然而,关于哪些PRO终点和仪器应用于治疗乳糜泻的临床试验的知识存在差距.
    为了识别以患者为中心的症状,影响,CD和相关PRO工具中与健康相关的生活质量(HRQoL)概念,并收集有关概念和仪器的专家意见,为选择PRO终点提供信息,用于新CD治疗的临床试验。
    进行了有针对性的文献综述,以确定症状,影响,和HRQoL概念,包括根据美国食品和药物管理局作为终点的开发和验证标准进一步审查的PRO中捕获的那些。美国和欧洲的临床医生,付款人,和一名患者倡导者(n=21)接受了访谈,以评估已确定的概念在衡量治疗获益方面的相对重要性,并评估潜在的PRO作为市场准入/报销终点的价值。
    确定了34项已发表的研究:27项阐明了以患者为中心的概念,7项详细介绍了PRO仪器的开发或验证。乳糜泻症状日记和乳糜泻患者报告的结果仪器被认为最适合用作终点;然而,每个人都有与概念覆盖相关的限制,测量特性的证据,以及用于临床试验的可行性。专家报告说,胃肠道症状是最重要的治疗方法,从患者的角度来看,肠道外症状也很麻烦。Payers强调测量症状的频率和严重程度,并针对对无麸质饮食无反应的患者进行治疗。
    随着CD治疗方案的出现,需要进一步的工作来操作对患者有意义的PRO症状终点,由付款人估价,并且在证明功效时被监管机构接受。
    In diseases where there is a large subjective component, such as celiac disease (CD), patient reported-outcomes (PRO) endpoints are highly relevant. However, there is a gap in knowledge about which PRO endpoints and instruments should be used for clinical trials for treatment of celiac disease.
    To identify patient-centered symptom, impact, and health-related quality of life (HRQoL) concepts in CD and relevant PRO instruments, and to gather expert input on concepts and instruments to inform selection of PRO endpoints for use in clinical trials of new CD treatments.
    A targeted literature review was conducted to identify symptom, impact, and HRQoL concepts, including those captured in PROs further reviewed against U.S. Food and Drug Administration standards for development and validation as endpoints. US and European clinicians, payers, and a patient advocate (n = 21) were interviewed to assess the identified concepts\' relative importance in measuring treatment benefit and to gauge the value of potential PROs as endpoints for market access/reimbursement.
    Thirty-four published studies were identified: 27 elucidated patient-centered concepts and 7 detailed the development or validation of PRO instruments. The Celiac Disease Symptom Diary and Celiac Disease Patient Reported Outcome instrument were deemed most appropriate for use as endpoints; however, each had limitations related to conceptual coverage, evidence for measurement properties, and feasibility for use in clinical trials. Experts reported gastrointestinal symptoms as most important to treat, with extra-intestinal symptoms burdensome from the patient perspective as well. Payers emphasized measuring both frequency and severity of symptoms and targeting patients nonresponsive to the gluten-free diet for treatment.
    With emerging treatment options for CD, further work is needed to operationalize PRO symptom endpoints that are meaningful to patients, valued by payers, and acceptable to regulators in demonstrating efficacy.
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