Drug toxicity

药物毒性
  • 文章类型: Journal Article
    背景:药物警戒需要对患者进行监测,以便及时发现和报告ADR,从而获得更多关于药物安全性的信息。这可能有助于将来的剂量修改或方案改变。在NTEP,ADSm(主动药物安全性监测)是药物警戒的一部分。在这项研究中,我们将研究DRTB中抗结核药物的ADR。
    方法:本研究是观察性的,回顾性和记录为基础,从2021年到2023年在果阿三级医院呼吸内科DOTS病房收治的患者。年龄等数据,性别,方案,记录并汇编了AKT开始和不良反应的日期.
    结果:ADRs已经以表格的形式列出。进行统计分析,找出最常见的ADR,它们可能发生的时间,哪些年龄和性别最有可能受到影响,以及是否有任何其他相关的ADR风险因素。
    结论:这项研究将使将来更好地监测患者的特定药物不良反应,患者安全,如果需要,尽早改变治疗方案。
    BACKGROUND: Pharmacovigilance entails monitoring of patients for timely detection of ADR and reporting them so that more information about drug safety can be obtained. This may help in the future for dose modification or alteration of regimen. In NTEP, ADSm (Active Drug Safety monitoring) is part of pharmacovigilance. In this study we shall be studying ADRs to Anti TB drugs in DRTB.
    METHODS: This study is observational, retrospective and record based, of patients admitted from 2021 to 2023 in the DOTS ward of Respiratory Medicine Department of a tertiary care hospital in Goa. Data such as age, sex, regimen, date of AKT initiation and adverse effects documented has been noted and compiled.
    RESULTS: ADRs have been tabulated in the form of tables. Statistical analysis is done to find out the commonest ADR, time when they are likely to occur, which age and gender are most likely affected and if there are any other associated risk factors for ADRs.
    CONCLUSIONS: This study will enable in future to better monitor patients with regard to particular adverse drug reaction, patient safety and if needed to alter the regimen as early as possible.
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  • 文章类型: Journal Article
    酪氨酸激酶抑制剂(TKIs)大大改善了慢性粒细胞白血病(CML)的治疗,生存率接近普通人群。然而,对于老年人来说,稳健的数据仍然有限。这项研究的重点是评估合并症,治疗方法,回应,老年慢性粒细胞白血病患者的生存率。我们的研究是针对以色列四个中心和Moffitt癌症中心的123名老年(≥75岁)CML患者进行的。美国。诊断时的中位年龄为79.1岁,44.7%是八十岁老人。合并症非常常见;心血管危险因素(60%),心血管疾病(42%),年龄调整后的Charlson合并症指数(aaCCI)中位数为5。伊马替尼是领先的一线疗法(69%),而第二代TKIs的使用在2010年后有所增加。大多数患者达到了主要的分子反应(MMR,66.7%),一半实现了深层分子反应(DMR,50.4%)。超过一半(52.8%)的病人转到二线,近四分之一(23.5%)接受三线治疗,主要是因为不宽容。aaCCI评分低于5的患者和获得DMR的患者的总生存期(OS)明显更长。与预期相反,以色列队列显示实际预期寿命比预期短,表明CML对老年人生存有较大影响。总之,伊马替尼仍然是主要的初始治疗,但第二代TKIs在老年CML患者中呈上升趋势.老年CML患者的预后取决于合并症,TKI类型,回应,和年龄,强调需要个性化治疗和对TKI有效性和安全性的额外研究。
    Tyrosine kinase inhibitors (TKIs) have greatly improved chronic myeloid leukemia (CML) treatments, with survival rates close to the general population. Yet, for the very elderly, robust data remains limited. This study focused on assessing comorbidities, treatment approaches, responses, and survival for elderly CML patients. Our study was conducted on 123 elderly (≥ 75 years) CML patients across four centers in Israel and Moffitt Cancer Center, USA. The median age at diagnosis was 79.1 years, with 44.7% being octogenarians. Comorbidities were very common; cardiovascular risk factors (60%), cardiovascular diseases (42%), with a median age-adjusted Charlson Comorbidity Index (aaCCI) of 5. Imatinib was the leading first-line therapy (69%), while the use of second-generation TKIs increased post-2010. Most patients achieved a major molecular response (MMR, 66.7%), and half achieved a deep molecular response (DMR, 50.4%). Over half (52.8%) of patients moved to second-line, and nearly a quarter (23.5%) to third-line treatments, primarily due to intolerance. Overall survival (OS) was notably longer in patients with an aaCCI score below 5, and in patients who attained DMR. Contrary to expectations, the Israeli cohort showed a shorter actual life expectancy than projected, suggesting a larger impact of CML on elderly survival. In summary, imatinib remains the main initial treatment, but second-generation TKIs are on the rise among elderly CML patients. Outcomes in elderly CML patients depend on comorbidities, TKI type, response, and age, underscoring the need for personalized therapy and additional research on TKI effectiveness and safety.
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  • 文章类型: Journal Article
    非霍奇金淋巴瘤(NHL)是儿童和青少年中五种最常见的儿科癌症诊断之一,由一组异质性的淋巴组织恶性肿瘤组成-B细胞衍生的NHL占病例的近80%。新的高通量诊断工具显著增加了我们对B-NHL生物学和分子发病机制的理解。导致新的NHL分类和治疗选择。这项回顾性队列研究调查了17例成熟的B细胞NHL(伯基特淋巴瘤或BL;弥漫性大B细胞淋巴瘤或DLBCL;原发性纵隔大B细胞淋巴瘤或PMBCL;滤泡性淋巴瘤或FL)和未成熟的B细胞祖细胞NHL(B淋巴母细胞淋巴瘤或BLL),在过去20年中在三级小儿血液肿瘤科接受治疗。现代儿童NHL协议,青少年,和年轻人,随着利妥昔单抗的加入,是安全和有效的(100%的总生存率;一次复发)。ESR升高比LDH升高更普遍。分析集中在免疫重建(≥3级感染,淋巴细胞和免疫球蛋白水平恢复)和治疗后体重指数变化,晚期影响(在53%的患者中),和组织学标记BCL2,BCL6,CD30,cMYC的存在,Ki-67%。一名患者被诊断患有第二恶性肿瘤(甲状腺乳头状癌)。
    Non-Hodgkin lymphoma (NHL) is among the five most common pediatric cancer diagnoses in children and adolescents and consists of a heterogeneous group of lymphoid tissue malignancies -with B-cell-derived NHL accounting for nearly 80% of cases. Novel and high-throughput diagnostic tools have significantly increased our understanding of B-NHL biology and molecular pathogenesis, leading to new NHL classifications and treatment options. This retrospective cohort study investigated 17 cases of both mature B-cell NHL (Burkitt lymphoma or BL; Diffuse large B-cell lymphoma or DLBCL; Primary mediastinal large B-cell lymphoma or PMBCL; Follicular lymphoma or FL) and immature B-cell progenitor NHL (B-lymphoblastic lymphoma or BLL) that were treated in a tertiary Pediatric Hematology-Oncology Department during the last 20 years. Modern NHL protocols for children, adolescents, and young adults, along with the addition of rituximab, are safe and efficient (100% overall survival; one relapse). Elevated ESR was more prevalent than elevated LDH. Analyses have focused on immune reconstitution (grade ≥3 infections, lymphocyte and immunoglobulin levels recovery) and body-mass-index changes post-treatment, late effects (in 53% of patients), and the presence of histology markers BCL2, BCL6, CD30, cMYC, and Ki-67%. One patient was diagnosed with a second malignant neoplasm (papillary thyroid cancer).
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  • 文章类型: Journal Article
    背景:尽管自引入无防腐剂(PF)滴眼液以来,前列腺素(PG)类似物的局部耐受性已大大提高,医生之间和国家之间的处方模式仍然存在很大差异,可能会对接受治疗的患者的眼表产生影响,因此,他们的坚持。这项研究的目的是探索法国PG类似物单一疗法的处方模式,并评估其对眼表状态的影响。
    方法:这是一项由法国18位青光眼专家进行的全国性多中心横断面观察研究。18岁以上的患者,接受局部PG类似物的单一疗法治疗高眼压和/或青光眼,既往无青光眼手术史,从参与医生的青光眼门诊连续选择,并接受了眼表检查。
    结果:在2022年11月至2023年11月期间,共纳入344例患者的344只眼。271例(78.7%)患者的规定PG单药治疗为PF。临床病史和眼表评估表明,79.4%的研究人群(n=273)表现出至少一种干眼症状或临床体征,并且四分之三的患者有不稳定的泪膜。比较保留和PFPG类似物的亚组分析显示,保留组中结膜充血和角膜染色的患病率更高。多变量分析确定结膜充血与防腐剂使用一致相关(比值比=7.654;中度结膜充血p=0.003)。
    结论:这项研究强调了法国专家对PFPG类似物处方的增长趋势。然而,眼表问题仍然普遍存在,影响患者依从性和治疗效果。全面的眼表检查在青光眼管理中对提高长期耐受性至关重要,合规,和整体治疗成功。
    BACKGROUND: Even though the local tolerance of prostaglandin (PG) analogues has improved drastically since the introduction of preservative-free (PF) eye drops, prescription patterns still vary widely among practitioners and between countries and could have an impact on the ocular surface of treated patients and, in consequence, their adherence. The aim of this study is to explore the prescribing patterns of PG analogues monotherapy in France and to evaluate their impact on ocular surface status.
    METHODS: This was a national multicenter cross-sectional observational study that was conducted by 18 glaucoma experts in France. Patients over 18 years of age and receiving monotherapy with topical PG analogues for the treatment of ocular hypertension and/or glaucoma, with no history of prior glaucoma surgery, were consecutively selected from the glaucoma outpatient clinics of participating physicians and underwent an ocular surface examination.
    RESULTS: A total of 344 eyes of 344 patients were enrolled between November 2022 and November 2023. Prescribed PG monotherapy was PF in 271 (78.7%) patients. Clinical history and ocular surface evaluation indicated that 79.4% of the study population (n = 273) presented with at least one symptom or clinical sign of dry eye and that three patients out of four had an unstable tear film. Subgroup analysis comparing preserved and PF PG analogues showed a higher prevalence of conjunctival hyperemia and corneal staining in the preserved group. Multivariate analysis identified conjunctival hyperemia as consistently associated with preservative use (odds ratio = 7.654; p = 0.003 for moderate conjunctival hyperemia).
    CONCLUSIONS: This study highlights the growing trend toward PF PG analogue prescriptions by specialists in France. However, ocular surface issues remain prevalent, impacting patient adherence and treatment efficacy. Comprehensive ocular surface examinations are crucial in glaucoma management to enhance long-term tolerance, compliance, and overall treatment success.
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  • 文章类型: Journal Article
    背景:北美和不列颠哥伦比亚省(BC),加拿大,正在经历前所未有的过量死亡。在BC,过量已成为10-59岁人群死亡的主要原因。2023年1月,不列颠哥伦比亚省将个人拥有许多非法物质合法化,其目的之一是通过减少污名和促进获得物质使用服务来解决过量死亡。
    方法:我们进行了一项定性研究,以了解使用药物的人对新的非刑事化政策的看法,在其实施之前(2022年10月至12月)。将非刑事化纳入更广泛的毒品政策,我们还询问PWUD他们认为药物政策应解决的优先问题以及必要的解决方案。我们的最终样本包括过去一个月使用非法药物的38名参与者。
    结果:我们确定了四个主题:1)非法药物供应是药物毒性死亡的主要驱动因素2)对非刑事化对药物毒性死亡的影响的担忧3)将非刑事化视为药物毒性危机背景下的政策应对4)法规,以减少药物毒性死亡的希望。
    结论:从我们的数据中可以清楚地看出,许多人预计非刑事化对用药过量危机的影响很小或没有影响。监管被认为是有效和坦率地解决持续用药过量危机驱动因素的必要政策方法。这些发现很重要,因为司法管辖区考虑采用不同的方法来摆脱基于禁令的毒品政策。
    BACKGROUND: North America and the province of British Columbia (BC), Canada, is experiencing an unprecedented number of overdose deaths. In BC, overdose has become the leading cause of death for people between the ages of 10-59 years old. In January 2023, BC decriminalized personal possession of a number of illegal substances with one aim being to address overdose deaths through stigma reduction and promoting access to substance use services.
    METHODS: We conducted a qualitative study to understand people who use drugs\' (PWUD) perceptions of the new decriminalization policy, immediately prior to its\' implementation (October-December 2022). To contextualize decriminalization within broader drug policy, we also asked PWUD what they perceived as the priority issues drug policy ought to address and the necessary solutions. Our final sample included 38 participants who used illegal drugs in the past month.
    RESULTS: We identified four themes: 1) The illicit drug supply as the main driver of drug toxicity deaths 2) Concerns about the impact of decriminalization on drug toxicity deaths 3) Views towards decriminalization as a policy response in the context of the drug toxicity crisis 4) Regulation as a symbol of hope for reducing drug toxicity deaths.
    CONCLUSIONS: From our data it became clear that many anticipated that decriminalization would have minimal or no impact on the overdose crisis. Regulation was perceived as the necessary policy approach for effectively and candidly addressing the drivers of the ongoing overdose crisis. These findings are important as jurisdictions consider different approaches to moving away from prohibition-based drug policy.
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  • 文章类型: Journal Article
    患有性别烦躁不安的人接受激素治疗以进行性别重新分配。这种疗法的适应症最初是针对异性,缺乏有关潜在药物不良反应(ADR)的信息。
    描述向美国食品和药物管理局不良事件报告系统(FAERS)数据库报告的变性人中与性别转变药物相关的ADR。
    检查了截至2023年6月的FAERS数据库数据,重点关注性别焦虑背景下性别过渡药物使用的报告。使用医学词典对ADR在首选术语和系统器官类别(SOC)水平上的监管活动进行分类。描述性统计汇总报告计数,药物类型,适应症,和ADR严重程度。
    对于出生时被指定为女性的个体,正在经历性别转变为男性(变性男性),对82份报告(230份不良反应)进行了分析,平均年龄29.5岁.72%的报告引用了变性激素疗法,主要来自美国(67.1%)。惊人的88%被归类为严重的不良反应,主要是SOC损伤,中毒,手术并发症(26.5%),其次是精神疾病(14.8%)和神经系统疾病(12.2%)。在出生时被分配性别的男性转变为女性(变性女性)(81份报告,237美国存托凭证),平均年龄为33.3岁,58%的人表示使用性别烦躁不安。显著比例(53.6%)为严重不良反应,主要是SOC:伤害,中毒,和手术并发症(26.6%)。
    FAERS数据显示,使用激素治疗的变性人存在明显的不良反应,有时对他们的接受者性别来说是意想不到的。人口水平的研究对于加强跨性别医疗保健至关重要。像FAERS这样的自发监测数据库照亮了标签外的ADR,敦促卫生保健提供者在知情的情况下谨慎对待激素治疗。
    UNASSIGNED: People with gender dysphoria are treated with hormone therapy for gender reassignment. The indication of this therapy was initially for the opposite sex, and information on potential adverse drug reaction (ADR) is lacking.
    UNASSIGNED: To describe ADR associated with gender transition medication in transgender individuals reported to the US Food and Drug Administration Adverse Event Reporting System (FAERS) database.
    UNASSIGNED: Data from the FAERS database up to June 2023 were examined, focusing on reports of gender transition medication use in the context of gender dysphoria. The ADRs were categorized using the Medical Dictionary for Regulatory Activities at both Preferred Term and System Organ Class (SOC) levels. Descriptive statistics summarized report counts, medication types, indications, and ADR severity.
    UNASSIGNED: For individuals assigned female at birth undergoing gender transition to male (transgender men), 82 reports (230 ADRs) were analyzed, with an average age of 29.5 years. Transgender hormonal therapy was cited in 72% of reports, predominantly from the United States (67.1%). A striking 88% were categorized as serious ADRs, primarily SOC injury, poisoning, and procedural complications (26.5%), followed by psychiatric disorders (14.8%) and nervous system disorders (12.2%). Among those assigned sex male at birth transitioning to female (transgender women) (81 reports, 237 ADRs), mean age was 33.3 years, with 58% indicating use for gender dysphoria. A significant proportion (53.6%) were serious ADRs, primarily SOC: injury, poisoning, and procedural complications (26.6%).
    UNASSIGNED: The FAERS data reveal significant ADRs in transgender individuals using hormone therapy, sometimes unintended for their recipient gender. Population-level studies are crucial to enhance transgender health care. Spontaneous surveillance databases like FAERS illuminate off-label ADRs, urging health care providers to approach hormone therapies with informed caution.
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  • 文章类型: Journal Article
    随着bedaquiline(Bdq)的应用,耐多药结核病(MDR-TB)治疗的成功率显著提高;患者在治疗期间的心脏安全性不容忽视。因此,这项研究比较了单独使用贝达奎林和贝达奎林联合氟喹诺酮类(FQs)和/或氯法齐明(CFZ)对QT间期的影响.这项单中心回顾性队列研究分析了2020年1月至2021年5月在西安胸科医院接受贝达奎林治疗24周的耐多药结核病患者的临床资料,并比较了两组之间QTcF的变化。85名患者被纳入研究,并按影响他们使用的QT间期的抗结核药物类型进行分组。A组包括bedaquiline(n=33),B组包括bedaquiline与氟喹诺酮类和/或氯法齐明(n=52)。在根据Fridericia公式(QTcF)数据可获得校正QT间期的患者中,2.4%(2/85)的基线后QTcF≥500ms,24.7%(21/85)的患者与基线相比至少有一次QTcF变化≥60ms。在A组中,9.1%(3/33)至少有一个>60ms的ΔQTcF,与B组的34.6%(18/52)一样。多因素Cox回归分析显示,B组的QT间期延长的校正风险高出4.82倍(95%置信区间[CI],1.406至16.488)。Bedaquiline联合其他抗结核药物影响QT间期显著增加了3级或4级QT间期延长的发生率;然而,未发生严重室性心律失常和永久性停药。使用贝达奎林联合氟喹诺酮和/或氯法齐明是影响QT间期的独立危险因素。重要性结核病(TB)是由结核分枝杆菌引起的慢性传染病。耐多药结核病的出现是由至少对异烟肼和利福平具有抗性的生物体引起的,目前被认为是结核病全球控制的主要挑战。Bedaquiline是50年来第一种具有独特作用机制的新型结核病药物,强抗M结核病活动。然而,在一些II期临床试验中发现了贝达奎林臂中无法解释的过量死亡;因此,FDA已经发布了“盒装警告”。\"然而,患者在治疗期间的心脏安全性不容忽视。因此,需要进一步调查以确定贝达奎林是否与氯法齐明联合使用,氟喹诺酮类药物,在长期或短期治疗中影响QT间期的抗结核药物会增加QT延长的风险。
    With the application of bedaquiline (Bdq), the success rate of multidrug-resistant tuberculosis (MDR-TB) treatment has been significantly improved; however, the cardiac safety of the patients during treatment cannot be ignored. Hence, this study compared the effects of bedaquiline alone and bedaquiline combined with fluoroquinolones (FQs) and/or clofazimine (CFZ) on the QT interval. This single-center retrospective cohort study analyzed the clinical data of MDR-TB patients treated with bedaquiline for 24 weeks from January 2020 to May 2021 in Xi\'an Chest Hospital and compared the changes in QTcF between the two groups. Eighty-five patients were included in the study and grouped by types of anti-TB drugs affecting the QT interval they used. Group A included bedaquiline (n = 33), and group B included bedaquiline in combination with fluoroquinolones and/or clofazimine (n = 52). Out of patients with available corrected QT interval by Fridericia\'s formula (QTcF) data, 2.4% (2/85) experienced a postbaseline QTcF of ≥500 ms, and 24.7% (21/85) had at least one change of QTcF of ≥60 ms from baseline. In group A, 9.1% (3/33) had at least one ΔQTcF of >60 ms, as did 34.6% (18/52) of group B. Multivariate Cox regression analysis showed that the adjusted risk of QT prolongation was 4.82 times higher in group B (95% confidence interval [CI], 1.406 to 16.488). Bedaquiline combined with other anti-TB drugs affecting QT interval significantly increased the incidence of grade 3 or 4 QT prolongation; however, no serious ventricular arrhythmia and permanent drug withdrawal occurred. The use of bedaquiline combined with fluoroquinolone and/or clofazimine is an independent risk factor affecting QT interval. IMPORTANCE Tuberculosis (TB) is a chronic infectious disease caused by Mycobacterium tuberculosis. The emergence of MDR-TB is caused by an organism that is resistant to at least isoniazid and rifampin and is currently considered the major challenge for the global control of TB. Bedaquiline is the first new TB drug in 50 years with a unique mechanism of action, strong anti-M. tuberculosis activity. Yet unexplained excess deaths in the bedaquiline arms have been found in some phase II clinical trials; thus, the FDA has issued a \"boxed warning.\" However, the cardiac safety of the patients during treatment cannot be ignored. Accordingly, further investigations are needed to establish whether bedaquiline combined with clofazimine, fluoroquinolones, or anti-TB drugs affecting the QT interval in a long-course or short-course treatment increases the risk of QT prolongation.
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  • 文章类型: Journal Article
    目的:口服卡培他滨和静脉注射5-氟尿嘧啶(5-FU)均用作放化疗(CRT)的放射增敏剂。基于卡培他滨的方案对患者和医疗保健专业人员都更方便。由于缺乏大型比较研究,我们比较了毒性,肌层浸润性膀胱癌(MIBC)患者两种CRT方案的总生存期(OS)和无病生存期(DFS).
    方法:2017年11月至2019年11月期间诊断为非转移性MIBC的所有患者均连续纳入BlaZIB研究。患者数据,肿瘤,前瞻性地从医学档案中收集治疗和毒性。从这个队列中,所有cT2-4aN0-2/xM0/x的患者,本研究包括卡培他滨或5-FU基CRT治疗.使用Fisher精确检验比较两组的毒性。应用基于倾向评分的逆概率治疗加权(IPTW)来校正组间的基线差异。使用对数秩检验比较IPTW调整的Kaplan-MeierOS和DFS曲线。
    结果:在222名患者中,111(50%)用5-FU治疗,111(50%)用卡培他滨治疗。根据治疗计划,在基于卡培他滨的组中有77%的患者和5-FU组中有62%的患者完成了治疗性CRT(p=0.06)。不良事件(14vs21%,p=0.29),2年OS(73%vs61%,p=0.07)和2年DFS(56%对50%,p=0.50)组间无显著差异。
    结论:与5-FU加MMC相比,卡培他滨和MMC的放化疗具有相似的毒性,并且在生存率上没有差异。基于卡培他滨的CRT,作为一个对病人更友好的时间表,可以被认为是基于5-FU的方案的替代方案。
    Oral capecitabine and intravenous 5-fluorouracil (5-FU) are both used as a radiosensitizer in chemoradiotherapy (CRT). A capecitabine-based regimen is more convenient for both patients and healthcare professionals. Since large comparative studies are lacking, we compared toxicity, overall survival (OS) and disease-free survival (DFS) between both CRT-regimens in patients with muscle-invasive bladder cancer (MIBC).
    All patients diagnosed with non-metastatic MIBC between November 2017-November 2019 were consecutively included in the BlaZIB study. Data on patient, tumor, treatment characteristics and toxicity were prospectively collected from the medical files. From this cohort, all patients with cT2-4aN0-2/xM0/x, treated with capecitabine or 5-FU-based CRT were included in the current study. Toxicity in both groups was compared using Fisher-exact tests. Propensity score-based inverse probability treatment weighting (IPTW) was applied to correct for baseline differences between groups. IPTW-adjusted Kaplan-Meier OS and DFS curves were compared using log-rank tests.
    Of the 222 included patients, 111 (50%) were treated with 5-FU and 111 (50%) with capecitabine. Curative CRT was completed according to treatment plan in 77% of patients in the capecitabine-based group and 62% of the 5-FU group (p = 0.06). Adverse events (14 vs 21%, p = 0.29), 2-year OS (73% vs 61%, p = 0.07) and 2-year DFS (56% vs 50%, p = 0.50) did not differ significantly between groups.
    Chemoradiotherapy with capecitabine and MMC is associated with a similar toxicity profile compared to 5-FU plus MMC and no difference in survival was found. Capecitabine-based CRT, as a more patient-friendly schedule, may be considered as an alternative to a 5-FU-based regimen.
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  • 文章类型: Journal Article
    目的:在全表型关联研究(PheWAS)中探讨系统性硬化症胃肠道(GI)功能障碍的原因和原因,使用真实世界的临床记录数据。
    方法:在英国皇家自由医院(RoyalFreeHospital,英国)对2,058名同意的系统性硬化症患者进行了有记录的临床评估,以进行详细的表型分析。诊断和药物被映射到结构化的术语字典(疾病本体论项目和DrugBank开放数据,分别)。PheWAS模型用于探索六个重要的SSc-GI域(便秘,腹泻,运动障碍,失禁,反流,和SIBO)以及接触各种合并症和药物。在报告UCLAGIT2.0问卷(GIT2.0)的定量GI症状评分的子队列中,确认并探索了PheWAS模型的“Hits”。
    结果:1,546名个体进入PheWAS分析。在数据集中鉴定了673种不同的诊断和634种不同的药物,以及SSc特异性表型,例如抗核抗体(ANA)。Phewas分析揭示了药物之间的关联,诊断,和ANA有六个重要的SSc-GI结果:便秘,腹泻,运动障碍,失禁,反流,还有SIBO.随后,使用GIT2.0症状评分,证实了22种药物与SSc-GI的联系,四个诊断,三个ANA。
    结论:使用无假设的Phewas方法,我们复制了已知的,揭示了潜在的小说,SSc-GI功能障碍的危险因素,包括阿片类药物,抗毒蕈碱,内皮素受体拮抗剂,和ANA子组。
    To explore the causes of and contributors to gastrointestinal (GI) dysfunction in systemic sclerosis (SSc) in a phenome-wide association study (PheWAS), using real-world clinical records data.
    Twelve thousand five hundred thirty-five documented clinical assessments of 2058 consenting individuals with SSc at the Royal Free Hospital (UK) were available for detailed phenotyping. Diagnoses and drugs were mapped to structured dictionaries of terms (Disease Ontology project and DrugBank Open Data, respectively). A PheWAS model was used to explore links between 6 important SSc-GI domains (constipation, diarrhea, dysmotility, incontinence, gastroesophageal reflux, and small intestinal bacterial overgrowth [SIBO]) and exposure to various comorbidities and drugs. \"Hits\" from the PheWAS model were confirmed and explored in a subcohort reporting quantitative GI symptom scores from the University of California Los Angeles Scleroderma Clinical Trials Consortium Gastrointestinal Tract Instrument 2.0 (GIT 2.0) questionnaire.
    One thousand five hundred forty-six individuals were entered into the PheWAS analysis. Six hundred seventy-three distinct diagnoses and 634 distinct drugs were identified in the dataset, as well as SSc-specific phenotypes such as antinuclear antibodies (ANA). PheWAS analysis revealed associations between drugs, diagnoses, and ANAs with 6 important SSc-GI outcomes: constipation, diarrhea, dysmotility, incontinence, reflux, and SIBO. Subsequently, using GIT 2.0 symptom scores links with SSc-GI were confirmed for 22 drugs, 4 diagnoses, and 3 ANAs.
    Using a hypothesis-free PheWAS approach, we replicated known, and revealed potential novel, risk factors for SSc-GI dysfunction, including drug classes such as opioid, antimuscarinic, and endothelin receptor antagonist, and ANA subgroup.
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  • 文章类型: Journal Article
    背景:药物诱导的校正QT间期(QTc)延长会增加尖端扭转(TdP)和心源性猝死的风险。已在受控环境中研究了药物对QTc的影响,但在现实世界中可能无法很好地评估,在现实世界中,药物影响可能会受到患者人口统计学和合并症以及其他伴随药物的使用的调节。
    目标:我们展示了一种新的,利用电子健康记录(EHR)和Surescripts药房数据库的高通量方法来监测真实世界的QTc延长药物以及人口统计学和合并症的潜在相互作用影响。
    方法:我们在大型学术医疗系统中纳入了2008年9月至2019年12月的所有门诊心电图(ECG),窦性心律,心率为每分钟40-100次,QRS持续时间<120毫秒,QTc为300-700毫秒,使用Bazett公式确定。我们使用Surescripts药房数据库和EHR药物列表中的处方信息对患者在心电图期间是否服用药物进行分类。阴性对照ECG是从目前未服用该药物但在1年内已经或将要服用该药物的患者获得的。根据CredibleMeds.org数据库,我们计算了正在服用药物的患者和正在服用药物的患者之间的平均QTc差异,并与已知药物TdP风险进行了比较。使用线性回归分析,我们研究了患者水平的人口统计学或合并症与药物相关的QTc延长之间的相互作用.
    结果:我们分析了272种药物对159,397个人的310,335个ECG的影响。与最大QTc延长相关的药物是多非利特(平均QTc差异21.52,95%CI10.58-32.70毫秒),美西律(平均QTc差异18.56,95%CI7.70-29.27毫秒),胺碘酮(平均QTc差14.96,95%CI13.52-16.33毫秒),利福昔明(平均QTc差异14.50,95%CI12.12-17.13毫秒),和索他洛尔(平均QTc差10.73,95%CI7.09-14.37毫秒)。几种顶级QT延长药物如利福昔明,乳果糖,Cinacalcet,和来那度胺以前并不为人所知,但有合理的机械解释。人口统计学或合并症与许多药物的QTc延长之间观察到显着的相互作用,如冠心病和胺碘酮。
    结论:我们展示了一种新的,从易于获取的临床数据中监测QTc延长药物的现实世界效果的高通量技术。使用这种方法,我们证实了QTc延长的已知药物治疗,并确定了潜在的新关联和人口统计学或合并症交互作用,这些交互作用可以补充精选数据库中的研究结果.我们的单中心结果将受益于未来多中心研究的额外验证,这些研究纳入了更多数量的患者和心电图,以及更精确的药物依从性和合并症数据。
    BACKGROUND: Drug-induced prolongation of the corrected QT interval (QTc) increases the risk for Torsades de Pointes (TdP) and sudden cardiac death. Medication effects on the QTc have been studied in controlled settings but may not be well evaluated in real-world settings where medication effects may be modulated by patient demographics and comorbidities as well as the usage of other concomitant medications.
    OBJECTIVE: We demonstrate a new, high-throughput method leveraging electronic health records (EHRs) and the Surescripts pharmacy database to monitor real-world QTc-prolonging medication and potential interacting effects from demographics and comorbidities.
    METHODS: We included all outpatient electrocardiograms (ECGs) from September 2008 to December 2019 at a large academic medical system, which were in sinus rhythm with a heart rate of 40-100 beats per minute, QRS duration of <120 milliseconds, and QTc of 300-700 milliseconds, determined using the Bazett formula. We used prescription information from the Surescripts pharmacy database and EHR medication lists to classify whether a patient was on a medication during an ECG. Negative control ECGs were obtained from patients not currently on the medication but who had been or would be on that medication within 1 year. We calculated the difference in mean QTc between ECGs of patients who are on and those who are off a medication and made comparisons to known medication TdP risks per the CredibleMeds.org database. Using linear regression analysis, we studied the interaction of patient-level demographics or comorbidities on medication-related QTc prolongation.
    RESULTS: We analyzed the effects of 272 medications on 310,335 ECGs from 159,397 individuals. Medications associated with the greatest QTc prolongation were dofetilide (mean QTc difference 21.52, 95% CI 10.58-32.70 milliseconds), mexiletine (mean QTc difference 18.56, 95% CI 7.70-29.27 milliseconds), amiodarone (mean QTc difference 14.96, 95% CI 13.52-16.33 milliseconds), rifaximin (mean QTc difference 14.50, 95% CI 12.12-17.13 milliseconds), and sotalol (mean QTc difference 10.73, 95% CI 7.09-14.37 milliseconds). Several top QT prolonging medications such as rifaximin, lactulose, cinacalcet, and lenalidomide were not previously known but have plausible mechanistic explanations. Significant interactions were observed between demographics or comorbidities and QTc prolongation with many medications, such as coronary disease and amiodarone.
    CONCLUSIONS: We demonstrate a new, high-throughput technique for monitoring real-world effects of QTc-prolonging medications from readily accessible clinical data. Using this approach, we confirmed known medications for QTc prolongation and identified potential new associations and demographic or comorbidity interactions that could supplement findings in curated databases. Our single-center results would benefit from additional verification in future multisite studies that incorporate larger numbers of patients and ECGs along with more precise medication adherence and comorbidity data.
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