clinical research

临床研究
  • 文章类型: Journal Article
    生活质量(QOL)受损在炎症性肠病(IBD)患者中很常见。更快速地识别生活质量受损高风险的IBD患者的工具改善了早期干预的机会并改善了长期预后。这项研究的目的是使用机器学习(ML)方法来开发风险分层模型,以评估IBD相关的QOL损害。
    使用在线问卷收集了2021年9月至2022年5月分布在中国22个省的42家医院的2478例IBD患者的临床数据。开发并验证了八个用于预测IBD相关QOL损害风险的ML模型。使用一组索引评估模型性能,并使用本地可解释模型-不可知模型解释(LIME)算法解释最佳ML模型。
    基于支持向量机(SVM)分类器算法的模型优于其他ML模型,其接收器工作特性曲线(AUC)下的面积和精度分别为0.80和0.71。SVM分类器算法计算的特征重要性揭示了糖皮质激素的使用,焦虑,腹痛,睡眠障碍,更严重的疾病导致生活质量受损的风险更高,而病程较长以及使用生物制剂和免疫抑制剂与较低的风险相关。
    用于评估IBD相关QOL损害的ML方法是可行且有效的。这种机制是胃肠病学家鉴定生活质量受损高风险IBD患者的有希望的工具。
    UNASSIGNED: Impaired quality of life (QOL) is common in patients with inflammatory bowel disease (IBD). A tool to more quickly identify IBD patients at high risk of impaired QOL improves opportunities for earlier intervention and improves long-term prognosis. The purpose of this study was to use a machine learning (ML) approach to develop risk stratification models for evaluating IBD-related QOL impairments.
    UNASSIGNED: An online questionnaire was used to collect clinical data on 2478 IBD patients from 42 hospitals distributed across 22 provinces in China from September 2021 to May 2022. Eight ML models used to predict the risk of IBD-related QOL impairments were developed and validated. Model performance was evaluated using a set of indexes and the best ML model was explained using a Local Interpretable Model-Agnostic Explanations (LIME) algorithm.
    UNASSIGNED: The support vector machine (SVM) classifier algorithm-based model outperformed other ML models with an area under the receiver operating characteristic curve (AUC) and an accuracy of 0.80 and 0.71, respectively. The feature importance calculated by the SVM classifier algorithm revealed that glucocorticoid use, anxiety, abdominal pain, sleep disorders, and more severe disease contributed to a higher risk of impaired QOL, while longer disease course and the use of biological agents and immunosuppressants were associated with a lower risk.
    UNASSIGNED: An ML approach for assessing IBD-related QOL impairments is feasible and effective. This mechanism is a promising tool for gastroenterologists to identify IBD patients at high risk of impaired QOL.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    目的:良好临床实践(GCP)对于以患者为中心的研究至关重要。强调“一刀切”方法的标准生物伦理学和GCP培训可能无法充分装备伦理委员会成员,尤其是外行和社会科学家成员,他们在审查临床试验和相关文件中的关键作用。这篇文章探讨了以患者为中心,患者倡导者驱动的培训计划,重点是提高患者对研究伦理和GCP的认识,倡导者和道德委员会成员。
    方法:一项名为“患者临床研究倡导者”(PACER)的患者倡导者驱动计划开展了以GCP为中心的患者研究培训。倡导者和道德委员会成员。研讨会前和研讨会后的问卷被用来评估参与者的GCP知识。
    结果:116名参与者参加了研讨会。在这91人同意参与评估参与者对伦理委员会(EC)功能的知识的问卷评估中,研究伦理和数据保密。讲习班前评价突出了知识差距。只有16.5%的人熟悉弱势群体的主要道德考虑因素,69.2%的人了解数据治理。研讨会后评估显示,总体反应显着改善了5.4%(?2=13.890;p<0.001)。对弱势群体道德考虑的理解增加了15.4%(p=0.007),数据隐私法规知识提高了11.0%(p=0.041)。
    结论:PACER倡议下的研讨会强调了在理解EC功能方面的知识差距,研究伦理和数据保密。研讨会有效地培养了参与者对道德研究实践的理解。
    OBJECTIVE: Good Clinical Practices (GCP) are essential for patient-centric research. The standard bioethics and GCP training emphasizing a \"one-size-fits-all\" approach may not adequately equip ethics committee members, especially the lay and social scientist members, towards their critical role in reviewing clinical trials and related documentation. This article explores a patient-centered, patient advocates-driven training program focused on raising awareness about research ethics and GCP among patients, advocates and ethics committee members.
    METHODS: A patient advocates-driven program called Patient Advocates for Clinical Research (PACER) conducted trainings focused on GCP for patient-centric research for patients, advocates and ethics committee members. Pre- and post-workshop questionnaires were used to assess the participants\' knowledge of GCP.
    RESULTS: The workshop was attended by 116 participants. Of these 91 consented to participate in questionnaire evaluation that assessed participants\' knowledge on ethics committee (EC) functionality, research ethics and data confidentiality. Pre-workshop evaluations highlighted knowledge gaps. Only 16.5% were familiar with the primary ethical consideration for vulnerable populations and 69.2% were knowledgeable about data governance. Post-workshop evaluations demonstrated significant overall response improvement of 5.4% (𝜒2=13.890; p<0.001). The understanding of ethical considerations for vulnerable populations rose by 15.4% (p=0.007), and knowledge of data privacy regulations improved by 11.0% (p=0.041).
    CONCLUSIONS: The workshop under PACER initiative highlighted the knowledge gaps in understanding the EC functionality, research ethics and data confidentiality. The workshop effectively fostered participants\' understanding of ethical research practices.
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  • 文章类型: Journal Article
    基因编辑是一种不断发展的基因工程技术,它可以对广谱的基因调节疾病进行精确编辑以实现治愈性治疗,也有可能作为疾病常规治疗的辅助手段。基因编辑技术,主要基于成簇的规则间隔回文重复(CRISPR)-CRISPR相关蛋白系统,能够在体细胞中产生遗传修饰,为广泛的人类疾病的基因治疗提供了有希望的新策略。目前,基因编辑技术在人类多种疾病中显示出巨大的应用前景,不仅在治疗潜力方面,而且在人类疾病动物模型的构建方面。本文阐述了基因编辑技术在血液病中的应用,实体瘤,免疫疾病,眼科疾病,和代谢性疾病;重点介绍了基因编辑技术在镰状细胞病中的治疗策略;概述了基因编辑技术在人类疾病动物模型构建中的作用;并讨论了基因编辑技术在疾病治疗中的局限性,旨在为基因编辑技术在人类疾病中的应用提供重要参考。
    Gene editing is a growing gene engineering technique that allows accurate editing of a broad spectrum of gene-regulated diseases to achieve curative treatment and also has the potential to be used as an adjunct to the conventional treatment of diseases. Gene editing technology, mainly based on clustered regularly interspaced palindromic repeats (CRISPR)-CRISPR-associated protein systems, which is capable of generating genetic modifications in somatic cells, provides a promising new strategy for gene therapy for a wide range of human diseases. Currently, gene editing technology shows great application prospects in a variety of human diseases, not only in therapeutic potential but also in the construction of animal models of human diseases. This paper describes the application of gene editing technology in hematological diseases, solid tumors, immune disorders, ophthalmological diseases, and metabolic diseases; focuses on the therapeutic strategies of gene editing technology in sickle cell disease; provides an overview of the role of gene editing technology in the construction of animal models of human diseases; and discusses the limitations of gene editing technology in the treatment of diseases, which is intended to provide an important reference for the applications of gene editing technology in the human disease.
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  • 文章类型: Journal Article
    心脏骤停(CA)是重症监护病房(ICU)中的常见事件,严重威胁患者的预后。因此,确定一个简单有效的临床指标来判断患者在接受CA治疗后的预后至关重要。目的探讨乳酸脱氢酶与白蛋白比值(LAR)与CA术后患者预后的关系。
    参与者的临床数据是从重症监护医学信息集市(MIMIC-IV,v2.0;2008年至2019年)。根据30天的预后,患者分为存活组(n=216)和非存活组(n=304).使用受限三次样条(RCS)确定最佳LAR阈值,将患者分为高LAR组(≥15.50,n=257)和低LAR组(<15.50,n=263)。在Kaplan-Meier生存分析后,绘制了两组的ICU住院时间和30天累积生存曲线。采用多因素Cox回归分析LAR与CA患者预后的关系。绘制受试者工作特征(ROC)曲线以评估LAR对30天全因死亡率的预测功效,并使用敏感性分析来检查结果的可靠性。
    共纳入520例CA患者,30天死亡率为58.46%。非幸存者组的LAR高于幸存者组。RCS显示LAR与患者在ICU住院期间和30天的死亡风险呈线性趋势关系;随着LAR的增加,死亡的风险也是如此。Kaplan-Meier生存曲线显示,与低LAR组相比,在CA患者中,高LAR组ICU住院和30天的累积生存率较低(p<0.001).多因素Cox回归分析显示,LAR升高(≥15.50)是ICU住院和30天死亡的独立危险因素(p<0.005)。ROC分析表明,LAR在预测CA患者30天全因死亡率方面优于序贯器官衰竭评估(SOFA)评分(曲线下面积(AUC)=0.676,95%置信区间[CI]:0.629-0.723)。为了验证我们发现的可靠性,我们进行了敏感性分析,发现结果是可靠的.
    LAR升高可能是ICU住院期间和30天CA后患者死亡率的预测因子,从而为这些患者的临床管理提供参考。
    UNASSIGNED: Cardiac arrest (CA) is a common event in the intensive care unit (ICU), which seriously threatens the prognosis of patients. Therefore, it is crucial to determine a simple and effective clinical indicator to judge the prognosis of patients after a CA for later treatments. The purpose of this study was to investigate the relationship between the lactate dehydrogenase to albumin ratio (LAR) and the prognosis of patients after a CA.
    UNASSIGNED: The clinical data of participants was obtained from the Medical Information Mart for Intensive Care IV (MIMIC-IV, v2.0; 2008 to 2019). According to the 30-day prognosis, patients were divided into a survivors group (n = 216) and a non-survivors group (n = 304). The optimal LAR threshold was determined using restricted cubic spline (RCS), which divided patients into a high LAR group ( ≥ 15.50, n = 257) and a low LAR group ( < 15.50, n = 263). The ICU hospitalization and 30-day accumulative survival curves of the two groups were plotted following the Kaplan-Meier survival analysis. Multivariate Cox regression was used to analyze the relationship between the LAR and the prognosis of CA patients. Receiver operating characteristic (ROC) curves were drawn to evaluate the predictive efficacy of the LAR on 30-day all-cause mortality, and sensitivity analysis was used to check the reliability of the findings.
    UNASSIGNED: A total of 520 patients with CA were enrolled and the 30-day mortality was 58.46%. The LAR in the non-survivors group was higher than in the survivors group. The RCS showed a linear trend relationship between the LAR and the mortality risk in patients during their ICU stay and 30 days; moreover, as the LAR increased, so did the risk of mortality. The Kaplan-Meier survival curve showed that compared with the low LAR group, the cumulative survival rates of ICU hospitalization and 30 days were lower in the high LAR group among CA patients (p < 0.001). Multivariate Cox regression analysis showed that an elevated LAR ( ≥ 15.50) was an independent risk factor for mortality during ICU stay and 30 days (p < 0.005). ROC analysis suggested that the LAR was superior to the sequential organ failure assessment (SOFA) score in predicting the 30-day all-cause mortality in CA patients (area under the curve (AUC) = 0.676, 95% confidence interval [CI]: 0.629-0.723). To verify the reliability of our findings, we performed sensitivity analyses and found that the findings were reliable.
    UNASSIGNED: An elevated LAR might be a predictor of mortality in patients following a CA during ICU hospitalization and 30 days, thereby it can be used to provide a reference for the clinical management of these patients.
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  • 文章类型: Journal Article
    汗腺炎是一种慢性炎症性皮肤病,可对激光脱毛治疗产生反应。
    评估紫绿宝石激光脱毛激光治疗化脓性汗腺炎的临床反应。
    我们进行了前瞻性,随机化,成人汗腺炎患者的对照研究。参与者对身体的一侧进行了一系列4个月的激光治疗,对侧作为对照。主要结果是最终激光治疗后第24周,第8周的汗腺炎临床反应。
    4次治疗后,治疗部位的改善百分比为72.73%,70%腹股沟,和100%的乳房下。在所有身体部位,与对侧对照相比,使用翠绿宝石激光治疗的部位的临床反应明显更高:75%vs33.33%(P=.0046,95%CI:[0.16,1])。
    这项研究的局限性包括收集数据的样本量很小。
    775-nm翠绿宝石激光是一种安全有效的治疗方法,可以在各种解剖部位解决先前存在的病变并防止新的喷发。
    UNASSIGNED: Hidradenitis supprativa is a chronic inflammatory skin disease that can respond to treatment with laser hair removal.
    UNASSIGNED: To assess alexandrite laser hair removal laser as a treatment for hidradenitis suppurativa as measured by the Hidradenitis Supprativa Clinical Response.
    UNASSIGNED: We conducted a prospective, randomized, controlled study in adult patients with hidradenitis supprativa. Participants underwent a series of 4 monthly laser treatments to 1 side of the body, with the contralateral side serving as a control. The primary outcome was Hidradenitis Supprativa Clinical Response at week 24, 8 weeks after the final laser treatment.
    UNASSIGNED: The percent improvement across treated sites after 4 treatments was 72.73% axillary, 70% inguinal, and 100% inframammary. Across all body regions, Hidradenitis Supprativa Clinical Response was significantly higher for the sites treated with the alexandrite laser compared to the contralateral controls: 75% vs 33.33% (P = .0046, 95% CI: [0.16, 1]).
    UNASSIGNED: The limitations of this study include a small sample size from which the data was collected.
    UNASSIGNED: The 775-nm alexandrite laser is a safe and effective treatment for hidradenitis supprativa at various anatomic sites in both resolving preexisting lesions and preventing new eruptions.
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  • 文章类型: Journal Article
    帕金森病(PD)患者的失衡和跌倒不仅降低了他们的生活质量,而且降低了他们的预期寿命。衰老相关症状以及疾病特异性运动和非运动症状会导致这些疾病,应在适当时进行治疗。除了积极的生活方式,高级运动训练是有用和有效的,特别是对于医学反应较低的症状,如步态冻结和晚期姿势不稳定。作为非沉浸式虚拟现实的跑步机训练,包括双重任务,显著减少了PD患者的跌倒次数,解释这种效应的机制应该进一步研究。这样的研究可以帮助选择最合适的患者,并根据这项新技术制定最有效的培训方案。现实生活中的移动性数字替代标记,比如那些描述耐力的方面,性能,以及特定运动的复杂性,可以进一步提高使用可穿戴设备的移动性评估质量。
    Imbalance and falls in patients with Parkinson\'s disease (PD) do not only reduce their quality of life but also their life expectancy. Aging-related symptoms as well as disease-specific motor and non-motor symptoms contribute to these conditions and should be treated when appropriate. In addition to an active lifestyle, advanced exercise training is useful and effective, especially for less medically responsive symptoms such as freezing of gait and postural instability at advanced stages. As treadmill training in non-immersive virtual reality, including dual tasks, significantly reduced the number of falls in PD patients, the mechanism(s) explaining this effect should be further investigated. Such research could help to select the most suitable patients and develop the most effective training protocols based on this novel technology. Real-life digital surrogate markers of mobility, such as those describing aspects of endurance, performance, and the complexity of specific movements, can further improve the quality of mobility assessment using wearables.
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  • 文章类型: Journal Article
    临床和公共卫生研究业务的质量管理系统是必不可少的,因为它确保了研究结果的完整性和可靠性。通过在研究实施和操作中实施稳健的质量管理实践,研究团队可以坚持最高标准的研究行为,从而提高研究成果的可信度和可信度。本文阐述了质量管理体系在临床和公共卫生研究操作中的重要性和作用,以及其在最大限度地减少和消除协议偏差方面的功效,并强调了建立研究操作质量管理体系的关键步骤。
    A quality management system for clinical and public health research operations is indispensable because it ensures the integrity and reliability of research outcomes. By implementing a robust quality management practice in research implementation and operation, research teams can uphold the highest standard of research conduct, thereby enhancing the credibility and trustworthiness of research findings. This paper elucidates the significance and role of a quality management system in clinical and public health research operations and its efficacy in minimising and eliminating protocol deviations and highlights the key steps in setting up a quality management system for research operations.
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  • 文章类型: Journal Article
    背景:临床研究结果的完整性和可靠性在很大程度上依赖于对大量数据的访问。然而,这些数据在多个机构中分散分布,以及道德和监管障碍,对访问相关数据提出了重大挑战。虽然联合学习提供了一个有前途的解决方案来利用来自零散数据集的见解,由于实施的复杂性,它的采用面临障碍,可扩展性问题,和包容性挑战。
    目的:本文介绍了全民联合学习(FL4E),一个可访问的框架,促进临床研究中的多利益相关方合作。它侧重于通过基于生态系统的创新方法简化联合学习。
    方法:“联邦程度”是FL4E的基本概念,允许灵活集成联合和集中学习模型。此功能通过使用户能够根据特定的医疗保健设置或项目需求选择数据分散的级别,提供了可自定义的解决方案,使联合学习更具适应性和效率。通过使用基于生态系统的协作学习策略,FL4E鼓励一个全面的平台来管理现实世界的数据,加强利益相关者之间的合作和知识共享。
    结果:使用真实世界的医疗保健数据集评估FL4E的有效性突出了其面向生态系统和包容性的设计。通过将混合模型应用于现实环境中的两种不同的分析任务-分类和生存分析,我们已经有效地测量了不同背景下的“联邦程度”。这些评估表明,FL4E的混合模型不仅与完全联合模型的性能相匹配,而且避免了通常与这些模型相关的大量开销。实现这种平衡极大地增强了协作计划,并扩大了生态系统中分析可能性的范围。
    结论:FL4E通过融合集中式和联合学习的好处,代表了协作临床研究的重要一步。其基于模块化生态系统的设计和“联邦程度”功能使其具有包容性,可定制的框架,适用于广泛的临床研究场景,承诺通过改进协作和数据使用来彻底改变该领域。相关的GitHub存储库中提供了详细的实施和分析。
    BACKGROUND: The integrity and reliability of clinical research outcomes rely heavily on access to vast amounts of data. However, the fragmented distribution of these data across multiple institutions, along with ethical and regulatory barriers, presents significant challenges to accessing relevant data. While federated learning offers a promising solution to leverage insights from fragmented data sets, its adoption faces hurdles due to implementation complexities, scalability issues, and inclusivity challenges.
    OBJECTIVE: This paper introduces Federated Learning for Everyone (FL4E), an accessible framework facilitating multistakeholder collaboration in clinical research. It focuses on simplifying federated learning through an innovative ecosystem-based approach.
    METHODS: The \"degree of federation\" is a fundamental concept of FL4E, allowing for flexible integration of federated and centralized learning models. This feature provides a customizable solution by enabling users to choose the level of data decentralization based on specific health care settings or project needs, making federated learning more adaptable and efficient. By using an ecosystem-based collaborative learning strategy, FL4E encourages a comprehensive platform for managing real-world data, enhancing collaboration and knowledge sharing among its stakeholders.
    RESULTS: Evaluating FL4E\'s effectiveness using real-world health care data sets has highlighted its ecosystem-oriented and inclusive design. By applying hybrid models to 2 distinct analytical tasks-classification and survival analysis-within real-world settings, we have effectively measured the \"degree of federation\" across various contexts. These evaluations show that FL4E\'s hybrid models not only match the performance of fully federated models but also avoid the substantial overhead usually linked with these models. Achieving this balance greatly enhances collaborative initiatives and broadens the scope of analytical possibilities within the ecosystem.
    CONCLUSIONS: FL4E represents a significant step forward in collaborative clinical research by merging the benefits of centralized and federated learning. Its modular ecosystem-based design and the \"degree of federation\" feature make it an inclusive, customizable framework suitable for a wide array of clinical research scenarios, promising to revolutionize the field through improved collaboration and data use. Detailed implementation and analyses are available on the associated GitHub repository.
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  • 文章类型: Journal Article
    本研究旨在深入了解在中国儿童医院开展的儿科临床试验,为儿童医院的发展和儿科药物的研发提供有价值的参考。
    对中国临床试验注册中心(ChiCTR)和ChinaDrugTrials.org进行了全面搜索。cn收集所有涉及18岁以下受试者的临床试验信息,包括在儿童医院进行的那些。检索期延长至2022年12月31日。
    共收集了459项儿科临床试验,包括来自ChiCTR的299个和来自药物临床试验注册和信息公开平台(信息平台)的160个。上市后药物研究和III期临床试验占研究阶段的大部分。这些试验涵盖了广泛的疾病/系统,特别关注呼吸系统疾病,肿瘤,内分泌失调,营养或代谢疾病。化学药物构成了研究最广泛的类别,而中药/天然药物受到的关注相对较少。临床试验活动主要集中在中国东部沿海地区,多中心试验是最主要的。427项研究获得了伦理委员会的批准。
    中国儿童医院进行的儿科临床试验总体呈上升趋势,专注于中医的研究有限,以及严重的区域和体制失衡。此外,道德审查程序仍有改进的空间。建议儿童医院在提高科研能力的同时,优化资源配置,有效满足医疗服务需求。此外,培育更多专注于研究的儿童医院将有助于中国儿童健康的高质量发展。
    UNASSIGNED: This study aimed to gain insights into pediatric clinical trials conducted in children\'s hospitals in China and provide valuable references for the development of children\'s hospitals and the research and development of pediatric drugs.
    UNASSIGNED: A comprehensive search was performed on the Chinese Clinical Trial Registry (Chi CTR) and ChinaDrugTrials.org.cn to collect information on all clinical trials involving subjects under 18 years, including those conducted in children\'s hospitals. The retrieval period was extended until 31 December 2022.
    UNASSIGNED: A total of 459 pediatric clinical trials were collected, comprising 299 from Chi CTR and 160 from the Drug Clinical Trial Registration and Information Publicity Platform (Information Platform). Post-marketing drug studies and phase III clinical trials accounted for the majority of research stages. These trials covered a wide range of diseases/systems, with a particular focus on respiratory system disorders, tumors, endocrine disorders, and nutritional or metabolic diseases. Chemical drugs constituted the most extensively studied category, while traditional Chinese medicine/natural drugs received comparatively less attention. Clinical trial activities were primarily geographically focused on the eastern coastal regions of China, with multicenter trials being the most predominant. Ethics committee approval was obtained for 427 studies.
    UNASSIGNED: The pediatric clinical trials conducted by children\'s hospitals in China have shown an overall upward trend; however, there is limited research focusing on traditional Chinese medicine, along with significant regional and institutional imbalances. Furthermore, there is still room for improvement regarding ethical review processes. It is recommended that children\'s hospitals enhance their scientific research capabilities while optimizing resource allocation to meet medical service demands effectively. Additionally, fostering more research-focused children\'s hospitals will contribute to the high-quality development of children\'s health in China.
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