clinical research

临床研究
  • 文章类型: Journal Article
    背景:招募足够和不同的参与者参与阿尔茨海默病和相关痴呆的临床研究仍然是一个巨大的挑战。本手稿的主要目标是提供多样化研究招募方法的概述,并提供在临床研究招募中实现更大多样性的几种方法的案例示例。
    方法:堪萨斯大学阿尔茨海默病研究中心(KUADRC)开发了MyAllianceforBrainHealth(MyAlliance),面向服务的招聘模式。MyAlliance由初级保健提供者网络组成,患者和家庭的网络,和社区组织网络,每个人都为相关方提供量身定制的价值,同时促进研究推荐。
    结果:我们回顾了三种方法,以鼓励增加临床研究参与的多样性。初步结果显示,在研究注册表中,代表性不足的参与者从17%增加到27%。由研究注册中心支持的研究的入学人数增加了51%,来自代表性不足的社区的参与者比例增加了。
    结论:MyAlliance转移了权力,资源,和社区倡导者的知识,促进大脑健康意识和研究参与,并要求大量的财务投资和行政承诺。MyAlliance为建设可持续发展提供了宝贵的经验,以社区为中心的研究招聘基础设施,强调本地化参与和文化理解的重要性。
    MyAlliance导致农村地区代表性不足的种族和族裔群体以及个人的代表性显着增加。以服务为导向的方法促进了社区的长期参与和建立信任,扩大学术医疗中心和社区组织之间的伙伴关系。虽然有效,MyAlliance需要大量的财务投资,包括基础设施开发在内的成本,工作人员支持,合作伙伴组织补偿,和促销活动,强调包容性研究招聘工作的资源密集型性质。
    BACKGROUND: Recruitment of sufficient and diverse participants into clinical research for Alzheimer\'s disease and related dementias remains a formidable challenge. The primary goal of this manuscript is to provide an overview of an approach to diversifying research recruitment and to provide case examples of several methods for achieving greater diversity in clinical research enrollment.
    METHODS: The University of Kansas Alzheimer\'s Disease Research Center (KU ADRC) developed MyAlliance for Brain Health (MyAlliance), a service-oriented recruitment model. MyAlliance comprises a Primary Care Provider Network, a Patient and Family Network, and a Community Organization Network, each delivering tailored value to relevant parties while facilitating research referrals.
    RESULTS: We review three methods for encouraging increased diversity in clinical research participation. Initial outcomes reveal an increase in underrepresented participants from 17% to 27% in a research registry. Enrollments into studies supported by the research registry experienced a 51% increase in proportion of participants from underrepresented communities.
    CONCLUSIONS: MyAlliance shifts power, resources, and knowledge to community advocates, promoting brain health awareness and research participation, and demands substantial financial investment and administrative commitment. MyAlliance offers valuable lessons for building sustainable, community-centered research recruitment infrastructure, emphasizing the importance of localized engagement and cultural understanding.
    UNASSIGNED: MyAlliance led to a significant increase in the representation of underrepresented racial and ethnic groups and individuals from rural areas.The service-oriented approach facilitated long-term community engagement and trust-building, extending partnerships between an academic medical center and community organizations.While effective, MyAlliance required substantial financial investment, with costs including infrastructure development, staff support, partner organization compensation, and promotional activities, underscoring the resource-intensive nature of inclusive research recruitment efforts.
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  • 文章类型: Letter
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  • 文章类型: Journal Article
    目标:对策展的需求不断增加,高质量的研究数据正在推动一种新的注册类型的出现。需要组装,策展人,导出这些数据会增长,注册表模型的传统简单性推动了对高级的需求,多式联运数据登记处-下一代登记处的曙光。
    方法:本文概述了成功实施下一代注册管理机构所需的技术角色和职责。
    结果:我们提出了一个规划框架,建筑,维护,以及这种新注册类型的可持续性。
    结论:组织,计算,详细讨论了人力资源需求,作者在40多年的综合现场经验的支持下。
    结论:一个新颖的领域,注册科学,在临床研究信息学领域,已经出现了它对构思的见解,结构化,并维持这种新型工具。
    OBJECTIVE: The increasing demands for curated, high-quality research data are driving the emergence of a novel registry type. The need to assemble, curate, and export this data grows, and the conventional simplicity of registry models is driving the need for advanced, multimodal data registries-the dawn of the next-generation registry.
    METHODS: The article provides an outline of the technology roles and responsibilities needed for successful implementations of next-generation registries.
    RESULTS: We propose a framework for the planning, construction, maintenance, and sustainability of this new registry type.
    CONCLUSIONS: A rubric of organizational, computational, and human resource needs is discussed in detail, backed by over 40 years of combined in-the-field experiences by the authors.
    CONCLUSIONS: A novel field, registry science, within the clinical research informatics domain, has arisen to offer its insights into conceiving, structuring, and sustaining this new breed of tools.
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  • 文章类型: Journal Article
    目的:(1)评估香肠技术™应用于多名有经验的临床医生的外侧骨增强的有效性;(2)确定不良预后的风险指标并评估辅助手术的必要性。
    方法:所有在2019年1月至2021年12月期间由三名有经验的外科医生使用香肠技术™进行外侧骨增强治疗的患者均纳入回顾性病例系列。香肠技术™技术包括使用自体骨片和脱蛋白牛骨矿物质(1:1比例),覆盖着拉伸和固定的胶原蛋白膜。在叠加的锥形束CT扫描上以不同的水平评估了术前情况和9个月之间肺泡宽度的增加。
    结果:25例患者(17例男性,8位女性,平均年龄51岁)可用于评估。在波峰以下3mm处,平均肺泡宽度从4.35mm增加到7.43mm。平均增加3.08mm(95%CI2.10-4.06;p<0.001)是显著的。不含单个植入部位的结果明显比其他部位的结果差(MD2.67mm;p=0.008)。对再移植的需求为4%,对软组织增加的需求为48%。由于缺乏角化粘膜宽度,20%的患者需要进行软组织增强,32%是由于缺乏颊凸性。前者主要需要在多个植入部位,而后者主要需要在单个植入部位。所有植入物均存活并保持健康直到最后的随访。
    结论:香肠技术™是一种有效的骨增强技术。不含单个植入部位与不良预后相关,大约一半的患者需要辅助软组织增强。
    OBJECTIVE: (1) To assess the effectiveness of the Sausage Technique™ when applied for lateral bone augmentation by multiple experienced clinicians; (2) To identify risk indicators for a poor outcome and to assess the need for adjunctive surgery.
    METHODS: All patients who had been treated with the Sausage Technique™ for lateral bone augmentation by three experienced surgeons between January 2019 and December 2021 were included in a retrospective case series. The Sausage Technique™ technique includes the use of autogenous bone chips and deproteinized bovine bone mineral (1:1 ratio), covered with a stretched and pinned collagen membrane. The increase in alveolar width between the pre-operative situation and 9 months was assessed at different levels on superimposed cone-beam CT scans.
    RESULTS: Twenty-five augmentations performed in 25 patients (17 males, 8 females, mean age 51 years) were available for evaluation. Mean alveolar width increased from 4.35 to 7.43 mm at 3 mm below the crest. The mean increase of 3.08 mm (95% CI 2.10-4.06; p < 0.001) was significant. The outcome of non-containing single implant sites was significantly worse than the outcome of other sites (MD 2.67 mm; p = 0.008). The need for regrafting was 4% and the need for soft tissue augmentation was 48%. Twenty percent of the patients needed soft tissue augmentation due to a lack of keratinized mucosa width, and 32% due to a lack of buccal convexity. The former was mainly needed at multiple implant sites, whereas the latter was mainly required at single implant sites. All implant survived and remained healthy until the final follow-up.
    CONCLUSIONS: The Sausage Technique™ is an effective bone augmentation technique. Non-containing single implant sites were associated with a poor outcome and adjunctive soft tissue augmentation was needed in about half of the patients.
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  • 文章类型: Journal Article
    创伤性脑损伤(TBI)是一种非常普遍的神经系统疾病,影响逐渐增加的老年人比例。慢性肾脏病(CKD)显著导致全球寿命下降,据估计,全球十分之一的人口受到CKD的影响。然而,目前尚不清楚CKD是否影响TBI预后.我们进行了一项病例对照研究,以调查有或没有CKD合并症的TBI患者的临床结局,并确定与不良预后相关的危险因素。
    从2017年1月到2023年4月,纳入了11例TBI和CKD患者,与27例肾功能正常的TBI对照患者年龄相匹配,性别,并以入院格拉斯哥昏迷量表(GCS)评分作为对照组。
    与非CKDTBI组(13.1±2.6)相比,CKDTBI组出院时的GCS评分(7.1±5.9)显着降低(p<0.01)。CKD组ICU停留时间和住院费用高于非CKD组,虽然没有统计学差异。此外,CKDTBI组患者发生医院获得性感染的频率(54.4%)高于非CKDTBI组(7.4%)(p<0.01).两组的血红蛋白水平没有差异,白蛋白水平,或凝血功能。Logistic回归分析显示,高龄,低入学GCS分数,血尿素升高,肌酐水平与神经系统预后不良相关。
    TBI合并CKD患者的预后比肾功能正常的患者差。
    UNASSIGNED: Traumatic brain injury (TBI) is a highly prevalent neurological disorder that affects a gradually increasing proportion of older adults. Chronic kidney disease (CKD) significantly contributes to global years of life lost, with an estimated one-tenth of the global population affected by CKD. However, it remains unclear whether CKD impacts TBI prognosis. We conducted a case-control study to investigate the clinical outcomes of TBI patients with or without CKD comorbidity and identified the risk factors associated with a poor prognosis.
    UNASSIGNED: From January 2017 through April 2023, 11 patients with TBI and CKD were included, and 27 control TBI cases with normal kidney function were matched by age, gender, and admission Glasgow Coma Scale (GCS) score as the control group.
    UNASSIGNED: The CKD TBI group had a significantly lower GCS score upon discharge (7.1 ± 5.9) compared to the non-CKD TBI group (13.1 ± 2.6) (p < 0.01). ICU stay time and hospitalization expenses were higher in the CKD group than the non-CKD group, though there were no statistical differences. Additionally, patients in the CKD TBI group had a higher frequency of hospital-acquired infections (54.4%) compared with those in the non-CKD TBI group (7.4%) (p < 0.01). The two groups exhibited no differences in hemoglobin levels, albumin levels, or coagulation function. Logistic regression analysis showed that advanced age, low admission GCS score, elevated blood urea, and creatinine levels were associated with a poor neurological prognosis.
    UNASSIGNED: TBI patients comorbid with CKD have a poorer prognosis than those with normal kidney function.
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  • 文章类型: Journal Article
    医学研究与开发(R&D)无疑是推动创新的相关活动,改善医疗保健政策,为患者提供常见和罕见疾病的治疗机会。公平和包容是研究中关注的问题。高收入国家的研究团队更有可能拥有更有影响力的出版物,赠款资金,和临床试验比中等或低收入国家。研发预算拨款低和监管框架中的现有差距是增长的一些障碍。这种不良循环导致常见地方病的进展很少,并且在创新疗法研究中特定人群的代表性不足。
    我们进行了政策审查和定性研究,以确定巴拉圭基础和临床医学研究的主要特征,以及改善该国创新研发战略的障碍和促进者。为了这个目标,我们研究了2005年至2020年发表的文章,国家研究机构的组织结构,当前的监管框架,以及当地研究小组和伦理审查委员会(ERB)的组成和经验。此外,我们进行了半结构化访谈,以评估不同利益相关者的看法和期望,包括调查人员,ERB成员,赞助商合伙人,和监管机构执行人员。
    2018年,巴拉圭在12个南美国家的出版物总数和累计h指数得分中排名第10。用于研发的国内生产总值(GDP)拨款总额为0.15%,在该地区12人中排名第八。2021年,在ClinicalTrials.gov上注册的试验数量为52项,当时只有16项正在进行招募研究。确定的一些主要障碍包括对学术职业的低激励和缺乏药物研究经验。人们发现迫切需要开发一个直接的规范框架。主要促进者包括来自CONACYT(国家科学技术委员会)的两个研究计划(PRONII和PROCIENCIA)的开发,这与2011年至2017年期间更高的预算拨款和出版物总数有关。共有六个利益攸关方参加了半结构化调查。受访者强调了促进研发的集中化政策的必要性,其中包括调查人员和ERB培训,制定标准化程序,以及研究活动的传播。赞助商同事强调,现实世界的证据可能代表了加强本地研究的独特机会。
    需要协调努力来打破这种不良性循环。巴拉圭对加强健康研究的兴趣日益浓厚,体现在创建鼓励医疗保健提供者协同工作的具体计划中,基础科学家,私人投资者。尽管如此,还需要采取全面的方法来加强监管机构并吸引外部赞助。虽然现代和当前流行的话题,包括人工智能,真实世界的数据,转化研究可能代表寻求投资的关键机会,应采取特殊政策,优先研究巴拉圭人口的健康决定因素。
    UNASSIGNED: Medical research and development (R&D) is an undoubtedly relevant activity to drive innovation, improve healthcare policies and bring patients treatment opportunities for common and rare diseases. Equity and inclusion are matters of concern in research. High-income countries\' research teams are more likely to have more impactful publications, grant funding, and clinical trials than middle or low-income countries. Low budget allocations to R&D and existing gaps in regulatory frameworks are some obstacles to growth. This unvirtuous cycle results in scarce advances in common endemic diseases and the underrepresentation of specific populations in innovative therapeutics research.
    UNASSIGNED: We conducted a policy review and qualitative research to determine the principal characteristics of basic and clinical medical research in Paraguay, as well as barriers and facilitators to improve innovative R&D strategies in this country. To this aim, we examined published articles from 2005 to 2020, the organizational structure of national research agencies, the current regulation framework, and the composition and experience of local research groups and ethical review boards (ERBs). In addition, we performed semi-structured interviews to evaluate perceptions and expectations from different stakeholders, including investigators, ERBs members, sponsor associates, and Regulatory Agency executive staff.
    UNASSIGNED: In 2018, Paraguay ranked 10th out of 12 South American countries in total number of publications and cumulative h-index score. Total Gross Domestic Product (GDP) allocation for R&D was 0.15%, ranking eighth out of 12 in the region. In 2021, the number of trials registered on ClinicalTrials.gov was 52, with only 16 ongoing recruiting studies at that time.Some of the main barriers identified included low incentives for academic careers and lack of experience in pharmaceutical research. An emergent necessity to develop a straight- forward normative framework was detected. Main facilitators included the development of two research initiative programs (PRONII and PROCIENCIA) from CONACYT (National Council of Science and Technology) which were associated with higher budget allocation and total number of publications in the 2011 to 2017 period. A total of six stakeholders participated in the semi-structured surveys. Interviewees highlighted the necessity of a centralized policy to promote R&D, which incorporates investigators and ERBs training, the development of standardized procedures, and the dissemination of research activities. Sponsor associates underlined that real-world evidence may represent a distinctive opportunity to enhance local research.
    UNASSIGNED: Coordinated efforts are needed to break the unvirtuous cycle. There is an increasing interest in enhancing health research in Paraguay, materialized in the creation of specific programs that encourage the collaborative work of healthcare providers, basic scientists, and private investors. Nonetheless, a comprehensive approach is needed also to strengthen regulatory agencies and attract external sponsorship. While modern and currently popular topics, including artificial intelligence, real-world data, and translational research may represent key opportunities to seek investment, special policies should be adopted to prioritize research on the determinants of health in the Paraguayan population.
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