Cardiovascular drugs

心血管药物
  • 文章类型: Journal Article
    干血斑(DBS)彻底改变了使用LC-MS的治疗药物监测,用于精确定量心血管药物(CD),能够以最小的侵入性适应患者特异性药代动力学的个性化治疗。本研究旨在实现DBS中8种CD的同时定量。克服物理化学挑战。采用两步蛋白沉淀法进行简单、精确的样品制备。使用LC-MS/MS在ESI正离子模式下分析药物,显示高灵敏度和线性,相关系数(r2)超过0.999,在反相色谱上通过梯度洗脱含有0.1%甲酸2mM甲酸铵的DW-乙腈进行分离后。验证结果表明选择性好,没有观察到的基质效应和结转。大多数药物的日内和日间准确度和精确度在6%以内,除了低治疗水平的地高辛和地羊角苷,差异在20%以内。稳定性试验证实了合适的DBS处理和储存条件,表明药物在室温下至少30天的稳定性。对整个斑点的分析在所有目标药物中都证明了显着的准确性和可靠性。3毫米内径圆盘的分析,进出星展银行,推测含有3微升血液,对大多数药物显示出可接受的准确性,地高辛和地兰苷等极性较低的药物显示出较低的准确性,表明由于药物分布不均匀,需要进一步校正。因此,开发的LC-MS/MS方法可以在单个DBS分析中定量多个CD,同时暗示了基于准确性分析的潜力。
    Dried Blood Spots (DBS) revolutionize therapeutic drug monitoring using LC-MS for the precise quantification of cardiovascular drugs (CDs), enabling personalized treatment adapted to patient-specific pharmacokinetics with minimal invasiveness. This study aims to achieve simultaneous quantification of eight CDs in DBS, overcoming physicochemical challenges. A two-step protein precipitation method was used for simple and precise sample preparation. The drugs were analyzed using LC-MS/MS in ESI positive-ion mode, showing high sensitivity and linearity, with a correlation coefficient (r2) exceeding 0.999, after being separated on a reversed-phase chromatography by gradient elution of DW-acetonitrile containing 0.1 % formic acid + 2 mM ammonium formate. The validation results indicate good selectivity, with no observed matrix effect and carry-over. The intra- and inter-day accuracy and precision were within 6 % for most drugs, except for digoxin and deslanoside at low therapeutic levels where the variation was within 20 %. Stability tests confirmed suitable DBS handling and storage conditions, indicating drug stability for at least 30 days at room temperature. The analysis of whole spot has demonstrated remarkable precision and reliability in all target drugs. The analysis of 3 mm internal diameter discs, punched in and out of DBS, presumed to contain 3 µL of blood, showed acceptable accuracy for most drugs, with less polar drugs like digoxin and deslanoside showing lower accuracy, indicating a need for further correction due to non-uniform drug distribution. Consequently, the developed LC-MS/MS method enables the quantification of multiple CDs in a single DBS analysis, while suggesting the potential for accuracy-based analysis.
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  • 文章类型: Journal Article
    抗血小板治疗,急性冠状动脉综合征(ACS)患者经皮冠状动脉介入治疗(PCI)的护理金标准,是与药物不良反应(ADR)发展最相关的治疗方法之一。尽管许多研究表明,基于有限数量的高证据变体(主要是CYP2C19*2和*3)的药物干预可以降低主要不良心血管事件(MACE)的发生率。尽管进行了个性化治疗,但ADR的发生率仍然不同(在我们的病例中为10.1%)。这项研究旨在通过设计和分析靶向基因组来鉴定PCI后12个月与MACEs终点相关的新遗传变异。我们对244例ACS-PCI支架患者(109例有事件,135例无事件)和99例无结构性心血管疾病的对照进行了测序,并进行了关联分析以寻找意外的遗传变异。校正后没有单核苷酸多态性达到基因组意义,但是三个新颖的变体,包括ABCA1(rs2472434),KLB(rs17618244),和ZNF335(rs3827066),可能在ACS患者的MACE中发挥作用。这些遗传变异参与调节高密度脂蛋白水平和胆固醇沉积,因为它们是监管变体,它们可能影响附近脂质代谢相关基因的表达。我们的研究结果表明,新的靶标(在基因和途径水平)可能会增加对MACEs的易感性,但在将这些发现纳入治疗决策过程之前,还需要进一步的研究来阐明所鉴定的变异的作用和影响.
    Antiplatelet therapy, the gold standard of care for patients with acute coronary syndrome (ACS) undergoing percutaneous coronary intervention (PCI), is one of the therapeutic approaches most associated with the development of adverse drug reactions (ADRs). Although numerous studies have shown that pharmacological intervention based on a limited number of high-evidence variants (primarily CYP2C19*2 and *3) can reduce the incidence of major adverse cardiovascular events (MACEs), ADRs still occur at variable rates (10.1 % in our case) despite personalized therapy. This study aimed to identify novel genetic variants associated with the endpoint of MACEs 12 months after PCI by designing and analyzing a targeted gene panel. We sequenced 244 ACS-PCI-stent patients (109 with event and 135 without event) and 99 controls without structural cardiovascular disease and performed an association analysis to search for unexpected genetic variants. No single nucleotide polymorphisms reached genomic significance after correction, but three novel variants, including ABCA1 (rs2472434), KLB (rs17618244), and ZNF335 (rs3827066), may play a role in MACEs in ACS patients. These genetic variants are involved in regulating high-density lipoprotein levels and cholesterol deposition, and as they are regulatory variants, they may affect the expression of nearby lipid metabolism-related genes. Our findings suggest new targets (both at the gene and pathway levels) that may increase susceptibility to MACEs, but further research is needed to clarify the role and impact of the identified variants before these findings can be incorporated into the therapeutic decision-making process.
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  • 文章类型: Journal Article
    据充分评估,女性在心血管临床试验中的代表性普遍不足。此外,据报道,药理学和干预策略存在显著差异.因此,在许多疾病中都显示了较差的结局和更显著的死亡率.还描述了药物代谢中的药代动力学和药效学差异,因此有效性可能因性别而异。然而,对性别差距的认识仍然很少。因此,缺乏针对性别的指导方针,在过去的几年中,对特定性别方法的需求变得更加明显。本文旨在评估管理最常见女性疾病的不同治疗方法。
    It has been well assessed that women have been widely under-represented in cardiovascular clinical trials. Moreover, a significant discrepancy in pharmacological and interventional strategies has been reported. Therefore, poor outcomes and more significant mortality have been shown in many diseases. Pharmacokinetic and pharmacodynamic differences in drug metabolism have also been described so that effectiveness could be different according to sex. However, awareness about the gender gap remains too scarce. Consequently, gender-specific guidelines are lacking, and the need for a sex-specific approach has become more evident in the last few years. This paper aims to evaluate different therapeutic approaches to managing the most common women\'s diseases.
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  • 文章类型: Journal Article
    最近FDA批准的心血管疾病(CVD)药物需要强有力的上市后监测。这项研究的目的是使用大型药物警戒数据库评估其安全性。
    我们利用FDA不良事件报告系统(FAERS)分析了2014年至2021年批准的17种药物的不良事件(AE)报告。通过估计报告比值比(ROR)及其95%置信区间进行描述性和不相称性分析。
    在43,664,773份AE报告中,97,702份(0.22%)与新批准的CVD药物有关。没有报告finetenone和evinacumab的不良事件。不成比例分析的结果揭示了急性肾损伤的潜在风险(ROR=8.24,95%CI:6.05-11.22),心力衰竭(ROR=4.80,95%CI:3.82-6.05),沙库必曲/缬沙坦使用者低血压(ROR=3.98,95%CI:3.44-4.61)。此外,发现伊伐布雷定与心动过速有关(ROR=11.94,95%CI:8.35-17.08),感觉异常(ROR=4.40,95%CI:2.70-7.18),头晕(ROR=2.56,95%CI:1.68-3.90)。
    本研究确定了与最近批准的CVD药物相关的特定安全问题。需要进一步的研究来了解这些发现的潜在机制和临床意义。
    UNASSIGNED: Recently FDA-approved drugs for cardiovascular disease (CVD) require robust post-marketing surveillance. The objective of this study was to assess their safety using a large pharmacovigilance database.
    UNASSIGNED: We analyzed adverse event (AE) reports for 17 drugs approved from 2014 to 2021, utilizing the FDA Adverse Event Reporting System (FAERS). Descriptive and disproportionality analyses were conducted by estimating the reporting odds ratio (ROR) and its 95% confidence interval.
    UNASSIGNED: Among the 43,664,773 AE reports 97,702 (0.22%) were related to newly approved CVD drugs. No AEs were reported for finerenone and evinacumab. The results from the disproportionality analyses revealed potential risks of acute kidney injury (ROR = 8.24, 95% CI: 6.05-11.22), cardiac failure (ROR = 4.80, 95% CI: 3.82-6.05), and hypotension (ROR = 3.98, 95% CI: 3.44-4.61) among sacubitril/valsartan users. Additionally, ivabradine was found to be associated with tachycardia (ROR = 11.94, 95% CI: 8.35-17.08), abnormal feeling (ROR = 4.40, 95% CI: 2.70-7.18), and dizziness (ROR = 2.56, 95% CI: 1.68-3.90).
    UNASSIGNED: This study identified specific safety concerns related to recently approved CVD drugs. Further research is required to understand the underlying mechanisms and clinical implications of these findings.
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  • 文章类型: Journal Article
    心血管药物(CVD)是作用于心脏和血管系统的药物,用于治疗许多心血管疾病。这些疾病是全世界发病率和死亡率的主要原因。治疗方案包括基于慢性的不同给药的药物。人体中的累积药物与暴露于来自不同来源的电磁辐射一致,导致药物-辐射相互作用,这可能导致药物的光敏化。这种光敏可能导致诱变,癌症,和DNA分子损伤导致的细胞死亡。这项工作涉及两个生物发光基因传感器的应用;氯化Ter和EvaGreen用于研究UVA辐照后经常使用的CVD引起的潜在DNA损伤。研究了各种CVD。十种药物;阿米洛利,阿托伐他汀,卡托普利,依那普利,非洛地平,氢氯噻嗪,Indapamide,氯沙坦,研究了氨蝶烯和缬沙坦。研究结果表明,这些药物在UVA照射后会引起DNA损伤。诱导的DNA损伤改变了氯化and和EvaGreen基因传感器的荧光,按比例。该结果通过反映CVD与DNA的可能嵌入的粘度测量得到证实。此外,这项工作应用于小牛胸腺DNA,以模拟实际的生物变异性。演示的生物发光基因传感器提供自动,评估DNA-药物相互作用的简单和低成本方法。
    Cardiovascular drugs (CVDs) are agents working on the heart and the vascular system to treat many cardiovascular disorders. Such disorders represent the leading cause for morbidity and mortality worldwide. The treatment regimen includes different administered drugs on chronic basis. The cumulative drugs in human body coincides with exposure to electromagnetic radiations from different sources leading to drug-radiation interaction that may lead to drug photosensitization. Such photosensitization may lead to mutagenesis, cancer, and cell death due to molecular damage to DNA. This work involves the application of two bioluminescent genosensors; Terbium chloride and EvaGreen are utilized to investigate potential DNA damage caused by frequently used CVDs following UVA irradiation. A variety of CVDs are investigated. Ten drugs; Amiloride, Atorvastatin, Captopril, Enalapril, Felodipine, Hydrochlorothiazide, Indapamide, Losartan, Triamterene and Valsartan are studied. The study\'s findings showed that such drugs induced DNA damage following UVA irradiation. The induced DNA damage altered the fluorescence of terbium chloride and EvaGreen genosensors, proportionally. The results are confirmed by viscosity measurements reflecting the possible intercalation of CVDs with DNA. Also, the work is applied on calf thymus DNA to mimic the actual biological variability. The demonstrated bioluminescent genosensors provide automatic, simple and low-cost methods for assessing DNA-drug interactions.
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  • 文章类型: Systematic Review
    背景:由于令人鼓舞的临床前数据和支持性观察研究,人们对应用心血管药物(包括阿司匹林,血管紧张素转换酶[ACE]抑制剂,他汀类药物,和二甲双胍)被批准用于治疗高血压等疾病,高脂血症,和糖尿病进入肿瘤学领域。此外,考虑到癌症治疗的成本越来越高,这些药物为治疗或预防癌症复发提供了可能更实惠的途径.我们试图研究从心脏病学或抗炎药重新利用的药物治疗癌症的抗癌作用。我们特别评估了以下药物类别:HMG-CoA还原酶抑制剂(他汀类药物),环加氧酶抑制剂,阿司匹林,二甲双胍,血管紧张素受体阻滞剂(ARB)和血管紧张素转换酶抑制剂。我们还包括非甾体抗炎药(NSAIDs),因为它们通过阻断前列腺素和减少炎症而发挥与阿司匹林相似的机制,这被认为是促进癌症发展的。
    方法:我们使用PubMed和WebofScience进行了系统的文献综述,检索词包括“阿司匹林,\"\"NSAID,\"\"他汀\"(包括特定的他汀类药物名称),“二甲双胍,“”ACE抑制剂,“和”ARBs“(包括特定的抗高血压药物名称)与”癌症的组合。搜索仅限于2000年至2023年之间发表的人类研究。
    方法:报告阳性结果的研究数量和百分比以及总生存期的汇总估计,无进展生存期,回应,和无病生存。
    结果:我们回顾了3094篇论文,纳入了67项随机临床试验。最常见的药物是二甲双胍(n=21;30.9%)。塞来昔布(n=20;29.4%),和辛伐他汀(n=8;11.8%)。只有一项研究测试了强心苷,没有一项研究了ACE抑制剂。最常见的肿瘤类型为非小细胞肺癌(n=19;27.9%);乳腺癌(n=8;20.6%)。结直肠(n=7;10.3%),和肝细胞(n=6;8.8%)。大多数研究是在II期试验中进行的(n=38;55.9%)。大多数研究在转移性癌症(n=49;72.1%)和一线背景(n=36;521.9%)中进行了测试。四项研究(5.9%)因应计困难而提前停止。大多数研究没有证明无进展生存期(86.1%的研究测试无进展生存期)或总生存期(94.3%的研究测试总生存期)有改善。5项研究的无进展生存率得到改善(7.4%),3项研究的总生存率提高(4.4%).两项研究的总生存率明显更差(3.8%的研究检测总生存率),一项研究的无进展生存期较差(2.8%的无进展生存期研究).
    结论:尽管有希望的临床前和基于人群的数据,心血管药物和抗炎药在治疗或预防癌症复发方面总体上没有显示出益处.这些发现可能有助于指导涉及这些药物应用于肿瘤学的未来潜在临床试验。
    BACKGROUND: Due to encouraging pre-clinical data and supportive observational studies, there has been growing interest in applying cardiovascular drugs (including aspirin, angiotensin-converting enzyme [ACE] inhibitors, statins, and metformin) approved to treat diseases such as hypertension, hyperlipidemia, and diabetes mellitus to the field of oncology. Moreover, given growing costs with cancer care, these medications have offered a potentially more affordable avenue to treat or prevent recurrence of cancer. We sought to investigate the anti-cancer effects of drugs repurposed from cardiology or anti-inflammatories to treat cancer. We specifically evaluated the following drug classes: HMG-CoA reductase inhibitors (statins), cyclo-oxygenase inhibitors, aspirin, metformin, and both angiotensin receptor blockers (ARBs) and angiotensin-converting enzyme inhibitors. We also included non-steroidal anti-inflammatory drugs (NSAIDs) because they exert a similar mechanism to aspirin by blocking prostaglandins and reducing inflammation that is thought to promote the development of cancer.
    METHODS: We performed a systematic literature review using PubMed and Web of Science with search terms including \"aspirin,\" \"NSAID,\" \"statin\" (including specific statin drug names), \"metformin,\" \"ACE inhibitors,\" and \"ARBs\" (including specific anti-hypertensive drug names) in combination with \"cancer.\" Searches were limited to human studies published between 2000 and 2023.
    METHODS: The number and percentage of studies reported positive results and pooled estimates of overall survival, progression-free survival, response, and disease-free survival.
    RESULTS: We reviewed 3094 titles and included 67 randomized clinical trials. The most common drugs that were tested were metformin (n = 21; 30.9%), celecoxib (n = 20; 29.4%), and simvastatin (n = 8; 11.8%). There was only one study that tested cardiac glycosides and none that studied ACE inhibitors. The most common tumor types were non-small-cell lung cancer (n = 19; 27.9%); breast (n = 8; 20.6%), colorectal (n = 7; 10.3%), and hepatocellular (n = 6; 8.8%). Most studies were conducted in a phase II trial (n = 38; 55.9%). Most studies were tested in metastatic cancers (n = 49; 72.1%) and in the first-line setting (n = 36; 521.9%). Four studies (5.9%) were stopped early because of difficulty with accrual. The majority of studies did not demonstrate an improvement in either progression-free survival (86.1% of studies testing progression-free survival) or in overall survival (94.3% of studies testing overall survival). Progression-free survival was improved in five studies (7.4%), and overall survival was improved in three studies (4.4%). Overall survival was significantly worse in two studies (3.8% of studies testing overall survival), and progression-free survival was worse in one study (2.8% of studies testing progression-free survival).
    CONCLUSIONS: Despite promising pre-clinical and population-based data, cardiovascular drugs and anti-inflammatory medications have overall not demonstrated benefit in the treatment or preventing recurrence of cancer. These findings may help guide future potential clinical trials involving these medications when applied in oncology.
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  • 文章类型: Journal Article
    背景:胰高血糖素样肽-1受体激动剂(GLP-1RA)是常用的糖尿病和肥胖药物,但与胃肠道(GI)不良事件有关。然而,关于比较GI不良反应概况的真实世界证据有限。
    目的:本研究旨在评估GLP-1类风湿性关节炎使用者的胃肠道不良事件,杜拉鲁肽,利拉鲁肽,和艾塞那肽关于胃肠道不良反应的安全性。
    方法:这项回顾性横断面分析利用了美国国立卫生研究院(NationalInstitutesofHealthAllofUs)中10,328名患有糖尿病/肥胖症的成年人的真实数据。确定了新的GLP-1RA用户,并检查胃肠道不良事件。Logistic回归确定与GI不良事件相关的因素。
    结果:研究人群的平均年龄为61.4±12.6岁,65.7%是女性,51.3%是白人,他们有很高的共病负担。腹痛(57.6%)是最常见的胃肠道不良事件,其次是便秘(30.4%),腹泻(32.7%),恶心和呕吐(23.4%),消化道出血(15.9%),胃轻瘫(5.1%),和胰腺炎(3.4%)。杜拉鲁肽和利拉鲁肽的腹痛发生率较高,便秘,腹泻,恶心和呕吐比司马鲁肽和艾塞那肽。利拉鲁肽和艾塞那肽的胰腺炎发生率最高(4.0%和3.8%,分别)。与司马鲁肽相比,杜拉鲁肽和利拉鲁肽的腹痛几率更高,恶心和呕吐。他们的胃轻瘫几率也高于司马鲁肽。GLP-1RA之间的胃肠道出血或胰腺炎风险没有显着差异。
    结论:在这个现实世界中,GI不良事件在GLP-1RA中很常见。不同药物之间的胃肠道安全特征存在差异,艾塞那肽似乎比其他GLP-1RA更安全,除了胃轻瘫.这些发现可以告知GLP-1RA选择考虑GI风险因素。需要进一步的研究来评估伴随用药的因果关系和GLP-1RA安全性。
    BACKGROUND: Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) are commonly used diabetes and obesity medications but have been associated with gastrointestinal (GI) adverse events. However, real-world evidence on comparative GI adverse reaction profiles is limited.
    OBJECTIVE: This study aimed to evaluate GI adverse events among GLP-1 RA users and compare semaglutide, dulaglutide, liraglutide, and exenatide safety regarding the GI adverse reaction profile.
    METHODS: This retrospective cross-sectional analysis utilized real-world data on 10,328 adults with diabetes/obesity in the National Institutes of Health All of Us cohort. New GLP-1 RA users were identified, and GI adverse events were examined. Logistic regression determined factors associated with GI adverse events.
    RESULTS: The mean age of the study population was 61.4 ± 12.6 years, 65.7% were female, 51.3% were White, and they had a high comorbidity burden. Abdominal pain (57.6%) was the most common GI adverse event, followed by constipation (30.4%), diarrhea (32.7%), nausea and vomiting (23.4%), GI bleeding (15.9%), gastroparesis (5.1%), and pancreatitis (3.4%). Dulaglutide and liraglutide had higher rates of abdominal pain, constipation, diarrhea, and nausea and vomiting than semaglutide and exenatide. Liraglutide and exenatide had the highest pancreatitis (4.0% and 3.8%, respectively). Compared to semaglutide, dulaglutide and liraglutide had higher odds of abdominal pain, and nausea and vomiting. They also had higher odds of gastroparesis than semaglutide. No significant differences existed in GI bleeding or pancreatitis risks between the GLP-1 RAs.
    CONCLUSIONS: In this real-world cohort, GI adverse events were common with GLP-1 RAs. Differences in GI safety profiles existed between agents, with exenatide appearing safer than other GLP-1 RAs, except for gastroparesis. These findings can inform GLP-1 RA selection considering GI risk factors. Further studies are needed to evaluate the causal relationship and GLP-1 RA safety with concomitant medication use.
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  • 文章类型: Journal Article
    尽管心血管疾病是世界范围内死亡的主要原因,他们的药物治疗仍然不够理想。因此,开发更有效和更安全的药理学策略显然没有得到满足.在这次审查中,我们总结了2023年心血管药理学最相关的进展,包括批准了一流药物,为动脉粥样硬化性心血管疾病和心力衰竭的治疗开辟了新的途径.已上市的治疗梗阻性肥厚型心肌病的新适应症(再利用),高胆固醇血症,2型糖尿病,肥胖和心力衰竭,强调了多重用药对指南指导用药的影响以及阴性临床试验的结果.最后,最后,我们总结了最重要的2期和3期临床试验,这些临床试验评估了正在开发的用于预防和治疗心血管疾病的心血管药物的有效性和安全性。
    Although cardiovascular diseases (CVDs) are the leading cause of death worldwide, their pharmacotherapy remains suboptimal. Thus, there is a clear unmet need to develop more effective and safer pharmacological strategies. In this review, we summarize the most relevant advances in cardiovascular pharmacology in 2023, including the approval of first-in-class drugs that open new avenues for the treatment of atherosclerotic CVD and heart failure (HF). The new indications of drugs already marketed (repurposing) for the treatment of obstructive hypertrophic cardiomyopathy, hypercholesterolaemia, type 2 diabetes, obesity, and HF; the impact of polypharmacy on guideline-directed drug use is highlighted as well as results from negative clinical trials. Finally, we end with a summary of the most important phase 2 and 3 clinical trials assessing the efficacy and safety of cardiovascular drugs under development for the prevention and treatment of CVDs.
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  • 文章类型: Journal Article
    目的检查沙特阿拉伯王国(KSA)执业护士和学生对心血管高危药物的未探索知识及其感知。方法多中心横断面定量研究使用在线调查,将其分为知识测试(真/假和多项选择题)和感知评估(封闭式问题)。四百十八名护士参加了这项研究。结果在知识测试中,19名(4.5%)参与者得分高(≥71%),而83(19.8%)和316(75.5%)表现为中等(得分≥51-70%)和较差的表现(得分≤50%),分别。在比较分析中,护理人员的知识水平显著高于学生,而非其他护士队列。护士的专业和地区与知识水平密切相关。急诊室护士和KSA东部地区的护士的知识水平高于其他亚组。绝大多数护士,128(30.6%),认为他们的药物知识足够,同时引用知识不足226(54.1%)作为用药错误的主要原因。三百十六名(75%)护士表示有兴趣在279(66.7%)的教室中接受高警觉的基于药物的治疗的专业培训。结论本研究显示护士对高危心血管药物的知识存在明显的不足。护理学校的药理学课程应量身定制,以临床为导向,并通过基于问题的学习来加强。应在护士中实施针对高风险药物的持续药理学教育,以通过减少用药错误的风险来保护患者生命。
    Aim To examine unexplored knowledge of cardiovascular highrisk medications and perception thereof among practising nurses and students in the Kingdom of Saudi Arabia (KSA). Methods The multicentre cross-sectional quantitative study used an online survey dichotomised into a knowledge test (true/false and multiple choice questions) and a perception assessment (closed-ended questions). Four hundred and eighteen nurses participated in the study. Results In the knowledge test, 19 (4.5%) participants scored high (≥71%), while 83 (19.8%) and 316 (75.5%) demonstrated moderate (score ≥51-70%) and poor performance (score ≤50%), respectively. In a comparative analysis, the knowledge level of staff nurses was significantly higher than the students but not the other nurses\' cohort. Nurses\' specialty and region of KSA were strongly associated with the knowledge level. Emergency room nurses and those belonging to the eastern region of KSA exhibited higher knowledge levels than other subgroups. A vast majority of nurses, 128 (30.6 %), rated their knowledge of medicines as somewhat sufficient, while quoting insufficient knowledge 226 (54.1%) as the major cause of medication errors. Three hundred and sixteen (75%) nurses expressed interest in undergoing specialised training in high-alert medication-based therapy preferably in a classroom setting by 279 (66.7%). Conclusion This study revealed a marked knowledge deficit in high-risk cardiovascular drugs among nurses. The pharmacological curriculum in nursing schools should be tailored to be clinically oriented and reinforced with problem-based learning. Continued pharmacology education focusing on high-risk drugs should be implemented among nurses to safeguard patient lives by mitigating the risks of medication error.
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  • 文章类型: Journal Article
    血管平滑肌KATP通道通过调节血管张力来调节血流量和血压,因此代表了治疗几种心血管疾病的有吸引力的药物靶标。然而,尽管进行了数十年的深入研究,但缺乏能够选择性抑制Kir6.1/SUR2B(血管KATP)而非Kir6.2/SUR1(胰腺KATP)的有效抑制剂,这暗示了这一发现.因此,我们筛选了47,872种化学上不同的化合物,用于异源表达的Kir6.1/SUR2B通道的新型抑制剂。在筛选中鉴定的最有效的抑制剂是称为VU0542270的N-芳基-N'-苄基脲化合物。VU0542270抑制Kir6.1/SUR2B,IC50约为100nM,但在高达30µM的剂量下对Kir6.2/SUR1或Kir通道家族的其他成员没有明显活性(>300倍选择性)。通过表达Kir6.1或Kir6.2与SUR1,SUR2A的不同组合,或SUR2B,VU0542270结合位点定位于SUR2.围绕VU0542270的初始结构-活性关系探索揭示了与Kir6.1/SUR2B抑制所需的结构元素相关的基本质地。对VU0542270的药代动力学特性的分析表明,由于广泛的代谢,其体内半衰期短。在离体小鼠动脉导管(DA)血管的压力肌电图实验中,VU0542270以类似于非特异性KATP通道抑制剂的剂量依赖性方式诱导DA收缩,格列本脲.VU0542270的发现提供了概念证明,可以使用基于分子靶标的方法开发SUR2特异性KATP通道抑制剂,并为开发靶向Kir6.1/SUR2B的心血管疗法提供了希望。意义陈述血管平滑肌KATP通道的小分子抑制剂可能代表动脉导管未闭的新疗法,偏头痛,和败血症,然而,缺乏选择性通道抑制剂减缓了这些治疗领域的进展.这里,我们描述了第一个血管特异性KATP通道抑制剂的发现和表征,VU0542270.
    Vascular smooth muscle KATP channels critically regulate blood flow and blood pressure by modulating vascular tone and therefore represent attractive drug targets for treating several cardiovascular disorders. However, the lack of potent inhibitors that can selectively inhibit Kir6.1/SUR2B (vascular KATP) over Kir6.2/SUR1 (pancreatic KATP) has eluded discovery despite decades of intensive research. We therefore screened 47,872 chemically diverse compounds for novel inhibitors of heterologously expressed Kir6.1/SUR2B channels. The most potent inhibitor identified in the screen was an N-aryl-N\'-benzyl urea compound termed VU0542270. VU0542270 inhibits Kir6.1/SUR2B with an IC50 of approximately 100 nM but has no apparent activity toward Kir6.2/SUR1 or several other members of the Kir channel family at doses up to 30 µM (>300-fold selectivity). By expressing different combinations of Kir6.1 or Kir6.2 with SUR1, SUR2A, or SUR2B, the VU0542270 binding site was localized to SUR2. Initial structure-activity relationship exploration around VU0542270 revealed basic texture related to structural elements that are required for Kir6.1/SUR2B inhibition. Analysis of the pharmacokinetic properties of VU0542270 showed that it has a short in vivo half-life due to extensive metabolism. In pressure myography experiments on isolated mouse ductus arteriosus vessels, VU0542270 induced ductus arteriosus constriction in a dose-dependent manner similar to that of the nonspecific KATP channel inhibitor glibenclamide. The discovery of VU0542270 provides conceptual proof that SUR2-specific KATP channel inhibitors can be developed using a molecular target-based approach and offers hope for developing cardiovascular therapeutics targeting Kir6.1/SUR2B. SIGNIFICANCE STATEMENT: Small-molecule inhibitors of vascular smooth muscle KATP channels might represent novel therapeutics for patent ductus arteriosus, migraine headache, and sepsis; however, the lack of selective channel inhibitors has slowed progress in these therapeutic areas. Here, this study describes the discovery and characterization of the first vascular-specific KATP channel inhibitor, VU0542270.
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