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药械管理
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Use of Thymoglobulin(R) (antithymocyte immunoglobulin) in renal transplantation: practical guide
The combination of immunosuppressive drugs is part of the treatment regimen of patients undergoing kidney transplantation (RT). Thymoglobulin(R), a rabbit immunoglobulin directed against human thymocytes, is the most commonly agent used for induction therapy in RT in the US. In Brazil, Thymoglobulin(R) is approved by ANVISA for the use in patients who underwent kidney transplantation and despite being widely used, there are controversies regarding the drug administration. We prepared a systematic review of the literature, evaluating studies that used Thymoglobulin(R) for induction and for acute rejection treatment in patients undergoing RT. The review used the computadorized databases of EMBASE, LILACS and MedLine. Data were extracted from the studies concerning general features, methodological characteristics and variables analyzed in each study. From the results, a practical guide was prepared analyzing various aspects on the use of Thymoglobulin(R) in patients submitted to RT
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Systematic literature review of cost-effectiveness analyses of adult 15- and 20-valent pneumococcal vaccines.
Background: The economic and public health benefits of adult pneumococcal vaccines vary across countries due to different epidemiology and costs. We systematically reviewed and summarized findings and assumptions of cost-effectiveness analyses (CEA) of the recently introduced 15- and 20-valent pneumococcal conjugate vaccines (PCV15 and PCV20) in adults. Methods: We performed a systematic search for CEA studies of PCV15 and/or PCV20 versus existing strategies via PubMed, EMBASE, CEA Registry, EconLit, HTA Database, and NITAG resource center through April 23, 2024. Study characteristics, methods, assumptions, and findings were extracted independently by two reviewers; quality was assessed using ECOBIAS. Results were synthesized qualitatively to summarize key attributes and conclusions. Results: Of 137 identified records, 26 studies were included; the majority (24/26) concerned high-income countries. All employed static Markov-type models comparing higher-valent PCVs used alone or in combination with 23-valent pneumococcal polysaccharide vaccine (PPSV23) to current recommendations (PPSV23 alone, PCV13 alone, PCV13 + PPSV23, no vaccination). Most studies (22/26) concluded PCV20 used alone was cost-saving (dominant) or cost-effective compared to other adult pneumococcal strategies (PPSV23 alone, PCV13 ± PPSV23, PCV15 ± PPSV23, or no vaccination). PCVs were generally assumed to have serotype-specific effectiveness equal to PCV13 efficacy in the pivotal trial, though four studies used estimates from a Delphi panel; protection was assumed to last between 10 and 20 years. PPSV23 was assumed to have lower effectiveness against non-bacteremic pneumonia and shorter duration of protection. Herd effects from higher-valent PCVs in childhood (12/26), serotype replacement (2/26), or both (1/26) were included in half (13/26) of studies, which attenuated adult vaccine impact. Most studies were assessed as low risk of bias; five abstracts did not provide sufficient information for assessment. Conclusion: Current evidence indicates that 20-valent PCV used alone is likely to be cost-effective or dominate other adult pneumococcal strategies. Future research is needed to address remaining uncertainties in assumptions and to support evidence-based policymaking.
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Understanding the use of telemedicine across different opioid use disorder treatment models: A scoping review
INTRODUCTION: The COVID-19 pandemic has instigated the development of telemedicine-mediated provision of medications for opioid use disorder such as buprenorphine and methadone, referred to as TMOUD in this study. As services start to return to pre-pandemic norms, there is a debate around the role of TMOUD as addition to or replacement of the conventional cascade of care for people with opioid use disorder (PWOUD). This scoping review is designed to characterize existing TMOUD services and provide insights to enable a more nuanced discussion on the role of telemedicine in the care of PWOUD. METHODS: The literature search was conducted in OVID Medline, CINAHL, and PsycINFO, from inception up to and including April 2023, using the Joanna Briggs Institute methodology for scoping reviews. The review considered any study design that detailed sufficient descriptive information on a given TMOUD service. A data extraction form was developed to collect and categorize a range of descriptive characteristics of each discrete TMOUD model identified from the obtained articles. RESULTS: A total of 45 articles met the inclusion criteria, and from this, 40 discrete TMOUD services were identified. In total, 33 services were US-based, three from Canada, and one each from India, Ireland, the UK, and Norway. Through a detailed analysis of TMOUD service characteristics, four models of care were identified. These were TMOUD to facilitate inclusion health, to facilitate transitions in care, to meet complex healthcare needs, and to maintain opioid use disorder (OUD) service resilience. CONCLUSIONS: Characterizing TMOUD according to its functional benefits to PWOUD and OUD services will help support evidence-based policy and practice. Additionally, particular attention is given to how digital exclusion of PWOUD can be mitigated against.
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居民对基层医疗卫生机构中医药服务需求的meta分析
目的 系统评价我国居民对基层医疗卫生机构中医药服务需求状况。方法 在中国知网、维普期刊网、万方服务平台、中国生物医学数据库、PubMed、Cochrane Library、Medline、Embase、Science Direct中进行文献检索,收集从建库至2023年3月发表的关于居民对基层医疗卫生机构中医药服务需求的文献,采用Review Manager5.4软件进行meta分析,由研究性质与异质性结果选择固定效应模型或随机效应模型。结果 经筛选,最后共纳入4篇中文文献,累计研究对象3 280例。meta分析显示,居民总体中医药服务需求率为74%[OR=0.74, 95%Cl (0.55, 0.94)],中医药知识服务需求率为56%[OR=0.56,95%Cl (0.23, 0.89)],中医药技术服务需求率为70%[OR=0.70, 95%Cl (0.40, 1.00)],中医药康复服务需求率为58%[OR=0.70,95%Cl (0.45, 0.70)]。结论 我国居民对基层医疗卫生机构提供的中医药服务以及各类细分服务存在较高的需求。
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慢性心力衰竭病人药物管理的最佳证据总结
目的:检索和总结慢性心力衰竭病人药物管理的最佳证据。方法:按照“6S”证据模型从上到下依次检索指南网、相关专业协会网站以及中文、英文数据库中关于慢性心力衰竭病人药物管理的相关文献,检索时限从建库至2023年10月。由2名经过循证护理学课程培训的硕士研究生独立进行文献筛选、质量评价、资料提取和证据整合。结果:共纳入26篇文献,包括2篇临床决策、8篇指南、6篇专家共识、7篇系统评价和3篇证据总结。最终形成了包括多学科合作、健康评估、用药监测及处理、依从性管理、健康教育及随访管理6个方面共39条证据。结论:本研究总结了慢性心力衰竭病人药物管理的最佳证据,为规范药物管理临床实践、改善慢性心力衰竭病人服药行为提供借鉴及参考;医护人员可根据临床实际工作情景结合病人意愿进行应用。
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Illicit drug use in Limerick City: A stakeholder and policy analysis using multiple streams model.
Background: The changing drug situation in Ireland has led to the development of various drug policies. This paper aims to use Limerick City as a case study to examine approaches to policy development. Methodology: The study is qualitative and uses a hybrid technique that combines document, content, and stakeholder analysis. Kingdon's multiple streams model underpins this study. In addition, guidelines for the systematic search for grey literature were adopted as the search strategy. Results: Problem Stream: Illicit drug use and its related problems have changed. The increasing availability of drugs, increasing usage and changes in the types of drugs being used have led to increased drug-related crimes, adverse health outcomes and elevated demand for treatment services. Local drug policies and initiatives emerge by recognising drug-related problems in the region. Policy Stream: The current national drug strategy 2017-2025 which informs action plans in Limerick is the first to focus on a unified health approach. Some national policies have evolved to ensure that guidelines meet current service needs. However, these changes have occurred in some cases with no clear actions. Political Stream: Statutory, voluntary and community stakeholders provide drug addiction and drug addiction-related services, which have evolved rapidly since their first introduction. The Mid-West Regional Drug Task Force was identified as essential in coordinating stakeholders locally. One area for improvement is limited evidence of the voices of persons who take drugs included in service/policy development. This regional analysis also suggests that local implementation of policies concerning dual diagnosis and supervised injection facilities can be further expanded. Despite the challenges experienced by stakeholders in Limerick, a hands-on approach has been adopted in the creation of strategies to tackle the drug problem. Conclusion: The approaches to drug policy development have delivered continuous development of services. However, services remain underdeveloped in areas removed from the capital city of Dublin. Navigating the complex drug landscape reveals that inclusivity, adaptation, and ongoing research are critical components of successful and long-lasting drug policies.
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Surveillance of antimicrobial utilization in Africa: a systematic review and meta-analysis of prescription rates, indications, and quality of use from point prevalence surveys.
Background: Antimicrobial resistance (AMR) is a global public health concern that is fueled by the overuse of antimicrobial agents. Low- and middle-income countries, including those in Africa,. Point prevalence surveys (PPS) have been recognized as valuable tools for assessing antimicrobial utilization and guiding quality improvement initiatives. This systematic review and meta-analysis aimed to evaluate the prescription rates, indications, and quality of antimicrobial use in African health facilities. Methods: A comprehensive search was conducted in multiple databases, including PubMed, Scopus, Embase, Hinari (Research4Life) and Google Scholar. Studies reporting the point prevalence of antimicrobial prescription or use in healthcare settings using validated PPS tools were included. The quality of the studies was assessed using the Joanna Briggs Institute (JBI) critical appraisal checklist. A random-effects meta-analysis was conducted to combine the estimates. Heterogeneity was evaluated using Q statistics, I² statistics, meta-regression, and sensitivity analysis. Publication bias was assessed using a funnel plot and Egger's regression test, with a p-value of < 0.05 indicating the presence of bias. Results: Out of 1790 potential studies identified, 32 articles were included in the meta-analysis. The pooled prescription rate in acute care hospitals was 60%, with significant heterogeneity (I2 = 99%, p < 0.001). Therapeutic prescriptions constituted 62% of all the prescribed antimicrobials. Prescription quality varied: documentation of reasons in notes was 64%, targeted therapy was 10%, and parenteral prescriptions were 65%, with guideline compliance at 48%. Hospital-acquired infections comprised 20% of all prescriptions. Subgroup analyses revealed regional disparities in antimicrobial prescription prevalence, with Western Africa showing a prevalence of 65% and 44% in Southern Africa. Publication bias adjustment estimated the prescription rate at 54.8%, with sensitivity analysis confirming minor variances among studies. Conclusion: This systematic review and meta-analysis provide valuable insights into antimicrobial utilization in African health facilities. The findings highlight the need for improved antimicrobial stewardship and infection control programs to address the high prevalence of irrational antimicrobial prescribing. The study emphasizes the importance of conducting regular surveillance through PPS to gather reliable data on antimicrobial usage, inform policy development, and monitor the effectiveness of interventions aimed at mitigating AMR.
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带状疱疹疫苗接种药物经济学研究系统评价
摘要:目的 系统评价带状疱疹(herpeszoster,HZ)疫苗接种药物经济学研究,为相关研究及HZ的预防提供参考.方法 以"带状疱疹"、"带状疱疹疫苗"、"药物经济学"、"经济学评价"、"成本-效果分析"及"herpes zoster"、"herpes zoster vaccines"、"pharmacoeconomics"、"cost-effectiveness analysis"等为主题词,检索 4 个中文数据库和4个英文数据库自建库至2023年1月有关带状疱疹疫苗接种的药物经济学研究文献,由2名研究者对检索出的文献进行2次独立筛选;参照世界卫生组织《免疫规划项目的经济学评价标准指南》提取纳入文献的相关信息,采用《卫生经济学评价报告标准共识2022年》(Consolidated Health Economic Evaluation Reporting Standards,CHEERS2022)评价纳入文献带状疱疹疫苗接种药物经济学研究质量,对研究角度、模型结构、参数选择、评价结果和敏感性分析等进行描述性分析和定性系统评价.结果 共纳入43篇带状疱疹疫苗接种药物经济学研究英文文献,发表时间为2001年4月—2022年6月,其中3篇文献的研究对象为中国人群.23篇文献的研究质量分数>80%(为高质量),20篇分数为65%~80%(为中高质量).39篇文献带状疱疹疫苗接种药物经济学研究采用成本-效用分析(cost-utility analysis,CUA)评价方法;31篇文献从全社会角度对带状疱疹疫苗接种药物经济学研究进行了评价.42篇文献的研究结果显示,具有正常免疫功能的人群接种带状疱疹疫苗具有经济效益,接种年龄、阈值、疫苗成本、接种方案对结果具有显著影响.在纳入的3篇研究对象为中国人群的文献中,2篇研究结果显示接种带状疱疹疫苗具有经济效益;1篇显示60~70岁老年人接种带状疱疹疫苗最具有经济效益.结论 建议基于我国本土数据,开展高质量带状疱疹疫苗接种的药物经济学研究,为该疫苗的免疫接种和HZ的预防提供依据
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Treating Depression in Dementia Patients: A Risk or Remedy-A Narrative Review
Background: The diagnosis of depression in dementia patients leads to an increase in the burden of the disease. To treat depression in this patient group, antidepressants are frequently used; however, there is not any proof of their therapeutic effectiveness, and their use may be potentially harmful. This narrative review aims to summarize the existing evidence regarding the role of antidepressants in treating depression in dementia patients. Main text: A search was conducted in the PubMed, Excerpta Medica database (EMBASE), and Cochrane databases for randomized controlled trials and meta-analyses wherein antidepressants were given to dementia sufferers to address depression. Fifteen randomized controlled trials and seven meta-analyses were identified. Most well-designed blinded placebo-controlled trials reported a lack of effectiveness of antidepressants in treating depression in dementia patients. Among the seven metanalyses, two reported good efficacy of Selective serotonin reuptake inhibitors (SSRIs). However, two major Cochrane reviews reported little or no effectiveness and increased side effects of antidepressants in dementia patients. Conclusion: There is robust evidence regarding the lack of efficacy of antidepressants in treating depression in dementia patients. However, further well-designed Randomized controlled trials (RCTs,) using scales with good validity and reliability to diagnose depression in dementia patients, sufficient sample sizes, and detailed adverse effect profiles may help determine the rationale for their use.
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Policy brief: Optimising antimicrobial usage in paediatric inpatient hospital settings.
Antimicrobial resistance (AMR) poses a global threat, partly fueled by antimicrobial overuse. Paediatric inpatients are particularly vulnerable to infections, leading to high antimicrobial consumption. In low-to-middle income countries (LMICs) like South Africa, research on antimicrobial usage for neonatal and paediatric healthcare-associated infections (HAI) is limited. This cross-sectional study evaluated antimicrobial usage in three academic public sector hospitals in South Africa to improve appropriateness. 22.9% of hospitalised children received at least one prescribed antimicrobial, with neonates, infants, and adolescents having higher prescription rates for HAIs. Common antimicrobials prescribed included beta-lactamase sensitive penicillin, aminoglycosides, and carbapenems. Antimicrobial selection aligned with the WHO AWaRe classification system. HIV infection did not emerge as a risk factor for HAIs or excessive antimicrobial usage. The policy brief recommends several strategies, summarized by the acronym 'PRACTICE,' to optimize antimicrobial prescribing practices. These include implementing standardized policies for empiric antimicrobial use, routine review of antimicrobial therapy, age-specific antimicrobial stewardship programs, and continued collaborative efforts and research. Individualized treatment plans, improved infection prevention and control measures, ongoing surveillance, and exploring electronic technology for antimicrobial stewardship are also crucial. Addressing antimicrobial usage is imperative to combat the growing threat of AMR and improve patient outcomes in LMICs like South Africa.
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Factors influencing the effects of policies and interventions to promote the appropriate use of medicines in high-income countries: A rapid realist review
Background The appropriate use of medicines has long been recognized as a fundamental component of medicine policies. We aimed to extract lessons from published research on how policy contexts and mechanisms can affect the outcomes of national- or health-system level interventions to promote appropriate medicine use (defined as an increase in underutilized medications or decrease in inappropriate medication use). Methods We conducted a rapid realist review of published evidence concerning system-level policies to promote the appropriate use of medicines in high-income countries with universal prescription drug coverage. We searched MEDLINE and Embase to identify relevant publications. We used a realist evaluation framework to identify contexts, mechanisms, and outcomes for each intervention and to hypothesize which policy contexts and mechanisms supported successful outcomes in terms of relative changes in the prevalence of use of the specific medication classes targeted. Results From 1,318 identified studies, 18 met our inclusion criteria. 13 distinct policies were identified. Three main policy-related factors underpinned successful interventions: involving providers and patients through program interventions; central coordination through national agencies dedicated to medicine policies; and the establishment of an explicit and integrated national medicine policy strategy. Conclusion Policymakers can improve coordination of national pharmaceutical policies to reduce harms from inappropriate medicines use, thus improving health outcomes through cost-effective programs.
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住院患者口服营养补充依从性管理的最佳证据总结
目的 整合住院患者口服营养补充(oral nutritional supplements, ONS)依从性管理的最佳证据,为改善患者ONS依从性状况提供参考。方法 根据PIPOST构建循证问题,系统检索Up To Date、BMJ最佳临床实践、知网等国内外数据库、指南网和专业协会数据库,纳入提高ONS依从性的相关研究。检索时限为建库至2024年1月。由4名研究者筛选文献并进行质量评价,汇总证据条目并总结证据,做出证据的推荐等级。结果 共纳入14篇文献,其中指南3篇、专家共识5篇、系统评价6篇。整合评估依从性、建立多学科管理团队、影响ONS摄入的症状或疾病管理、ONS制剂及服用过程管理、提高社会支持、健康教育6个方面的18条证据。结论 总结的住院患者ONS依从性管理的最佳证据具有科学性和临床实用性,能为提高患者ONS依从性提供参考。
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Medication without harm: policy brief
Patient harm due to unsafe care is a leading cause of death and disability worldwide, and most of such harm is avoidable (1). Harm due to medicines and therapeutic options accounted for nearly 50% of the overall preventable harm in medical care (2). The pooled prevalence of preventable medication-related harm was 5% (1 in 20 patients) and one fourth of the harm was severe or potentially life-threatening (3). The prevalence of preventable medication-related harm was nearly double, 7% (1 on 25 patients) in low- and middle-income countries (LMICs) compared to 4% (1 in 14 patients) in high-income countries. This policy brief defines key concepts of medication safety and presents current evidence on the scale of the problem and the urgency of the situation. Medication errors occur throughout the medication use process; however, many recent studies indicate that most errors occur during prescribing and monitoring stages (3, 4). Evidence of medication-related harm in several contexts and environments are discussed. Policy options with benefits, advantages and opportunities to improve medication safety are suggested, including technological solutions. Establishment of medication safety committees within the organizational structure, appointing medication safety or patient safety officers and implementing national action plans on medication safety are recommended. Ensuring a culture of safety and managing changes to the culture in the workplace and in the health care system are important to improve medication safety. Reporting and learning systems for medication errors have been used in countries to identify errors, creating learning opportunities for preventing errors. Methods for addressing the priorities identified in the third WHO Global Patient Safety Challenge: Medication Without Harm are discussed using the strategic framework, focussing on the four domains and the three key action areas. Solutions that could be used in countries are proposed under the four domains of the strategic framework: the patient and the public, health and care workers, medicines as products, and systems and practices of medication and the three action areas: high-risk situations, polypharmacy and transitions of care.
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Health technology assessment of the addition of herpes zoster (shingles) vaccination to the adult vaccination programme
Authors' objectives: Herpes zoster, which is commonly known as shingles, affects approximately one in three people that have had chickenpox. Shingles is typically recognised by a painful blistering rash on the torso. While vaccines against herpes zoster are licensed and marketed in Ireland, these vaccines are not included in the Health Service Executive (HSE) national immunisation schedule. The Department of Health requested that HIQA complete a health technology assessment (HTA) to inform a decision on the addition of shingles vaccination to the adult immunisation schedule. The protocol document outlines the evidence synthesis approach that HIQA’s evaluation team will use to complete this piece of work.
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Effectiveness, safety and cost-effectiveness of sacral neuromodulation for idiopathic slow-transit constipation: a systematic review.
Aim: Sacral neuromodulation (SNM) is a minimally invasive treatment option for functional constipation. Evidence regarding its effectiveness is contradictory, driven by heterogeneous study populations and designs. The aim of this study was to assess the effectiveness, safety and cost-effectiveness of SNM in children and adults with refractory idiopathic slow-transit constipation (STC). Method: OVID Medline, OVID Embase, Cochrane Library, the KSR Evidence Database, the NHS Economic Evaluation Database and the International HTA Database were searched up to 25 May 2023. For effectiveness outcomes, randomized controlled trials (RCTs) were selected. For safety outcomes, all study designs were selected. For cost-effectiveness outcomes, trial- and model-based economic evaluations were selected for review. Study selection, risk of bias and quality assessment, and data extraction were independently performed by two reviewers. For the intervention 'sacral neuromodulation' effectiveness outcomes included defaecation frequency and constipation severity. Safety and cost-effectiveness outcomes were, respectively, adverse events and incremental cost-effectiveness ratios. Results: Of 1390 records reviewed, 67 studies were selected for full-text screening. For effectiveness, one cross-over and one parallel-group RCT was included, showing contradictory results. Eleven studies on safety were included (four RCTs, three prospective cohort studies and four retrospective cohort studies). Overall infection rates varied between 0% and 22%, whereas reoperation rates varied between 0% and 29%. One trial-based economic evaluation was included, which concluded that SNM was not cost-effective compared with personalized conservative treatment at a time horizon of 6 months. The review findings are limited by the small number of available studies and the heterogeneity in terms of study populations, definitions of refractory idiopathic STC and study designs. Conclusion: Evidence for the (cost-)effectiveness of SNM in children and adults with refractory idiopathic STC is inconclusive. Reoperation rates of up to 29% were reported.
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Alemtuzumab, Cladribine, Fingolimod, Natalizumab, and Rituximab as First-Line Treatments in Adults With Highly Active Relapsing-Remitting Multiple Sclerosis: Health Technology Assessment.
What Is the Problem?: Relapsing-remitting multiple sclerosis (RRMS), the most common disease course of multiple sclerosis (MS), is a chronic immune-mediated disease with clearly defined episodes of new or increasing neurologic symptoms followed by periods of relative stability. In contrast, the highly active, aggressive disease course leads to rapid disability, and these patients face an unmet need. The principal goal of MS treatment is to delay and prevent the accumulation of disability by reducing the frequency of relapses. Currently reimbursed first-line drugs fail to prevent the consequences of irreversible damage to the nervous system. There has been a paradigm shift in clinical practice toward the use of a high-efficacy treatment strategy as early as possible during the inflammatory process to provide optimal clinical benefits in preserving neurologic function in patients with highly active RRMS. What Did We Do?: A systematic review of the clinical effectiveness and safety of alemtuzumab, natalizumab, cladribine, fingolimod, and rituximab relative to current first-line drugs in adults with highly active RRMS was conducted; it identified post hoc subgroup analyses from 5 randomized controlled trials (RCTs) and 1 prospective comparative cohort study. What Did We Find?: Evidence was uncertain and conclusions were limited by risk of bias and small sample sizes; conclusions for some outcome comparisons were also limited by imprecision and incomplete reporting. Compared to placebo, cladribine and natalizumab may result in a clinically important reduction in relapses, disability, and key MRI lesions. Alemtuzumab may result in a clinically important reduction in relapses compared to interferon, while fingolimod may result in a clinically important reduction in relapses compared to placebo. The clinical evidence was insufficient to determine the effect of fingolimod on relapses when compared with interferon. Harms outcomes, when reported, appeared consistent with the known harms profile of the drugs. Assessment of the effectiveness and safety of rituximab could not be performed due to the lack of evidence. Evidence was also lacking for many important outcomes such as health-related quality of life (HRQoL), instrumental activities of daily living, symptoms, and cognitive outcomes. No evidence could be identified to inform on treatment sequencing. Two pragmatic RCTs (the TREAT-MS and DELIVER-MS trials) are currently ongoing, aiming to compare an early, high-efficacy treatment strategy versus a traditional escalation treatment strategy, which may inform treatment sequencing. Further research is needed to compensate for clinical data gaps to inform an appropriate and relevant economic evaluation. What Does This Mean?: Jurisdictions may reconsider the current reimbursement criteria for drugs used in the first-line setting specifically for adults demonstrating highly active RRMS; however, caution should be taken given the gaps and uncertainty in evidence. Upon request from public drug plans, this review may inform a future implementation advice panel or expert committee recommendation.
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Knowledge Graphs in Pharmacovigilance: A Scoping Review.
Purpose: To critically assess the role and added value of knowledge graphs in pharmacovigilance, focusing on their ability to predict adverse drug reactions. Methods: A systematic scoping review was conducted in which detailed information, including objectives, technology, data sources, methodology, and performance metrics, were extracted from a set of peer-reviewed publications reporting the use of knowledge graphs to support pharmacovigilance signal detection. Findings: The review, which included 47 peer-reviewed articles, found knowledge graphs were utilized for detecting/predicting single-drug adverse reactions and drug-drug interactions, with variable reported performance and sparse comparisons to legacy methods. Implications: Research to date suggests that knowledge graphs have the potential to augment predictive signal detection in pharmacovigilance, but further research using more reliable reference sets of adverse drug reactions and comparison with legacy pharmacovigilance methods are needed to more clearly define best practices and to establish their place in holistic pharmacovigilance systems.
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The role of clinical pharmacists in patients with suspected allergy to β-lactams: A systematic review
OBJECTIVE: To analyze the role played by the clinical pharmacist and its impact in antibiotic stewardship facing suspected allergy to beta-lactam antibiotics. METHOD: We performed 2 different independent bibliographic searches. A total of 35 articles were found, and the final number included in the study was 12. We analyzed the articles and collected variables of efficacy, safety, and applicability of evaluation tools applied to patients with suspected allergy to beta-lactams. Also, the variation in the consumption and prescription profile of alternative antibiotics was analyzed. RESULTS: The selected studies analyzed questionnaires, allergy delabeling, intradermal tests, and oral challenge tests performed by pharmacists. Significant differences in the efficacy endpoint were found in 4 studies in favor of pharmaceutical intervention. In the study of Kwiatkowski et al., cefazolin use increased in surgical patients after pharmacist intervention (65% vs 28%; P < .01). In a quasi-experimental study, the mean defined daily dose of aztreonam and the mean days of therapy per 1000 patients/day decreased (21.23 vs 9.05, P <.01) and (8.79-4.24, P = .016), pre- and post-intervention, respectively, increasing antibiotic de-escalations (P = < .01). In another quasi-experimental study, the prescription of restricted use antibiotics decreased (42.5% vs 17.9%, P < .01) and the use of pre-surgical prophylactic antibiotics alternative to cefazolin (81.9% vs 55.9%, P < .01) in another study. Other study showed that the mean time per interview was 5.2 min per patient. No adverse events were reported in any study. CONCLUSION: The pharmacist intervention in the evaluation of the patient with suspected allergy to beta-lactams is effective, safe, and feasible to implement on daily clinical practice. The standardization of protocols to clarify the history of allergies and development of evaluation tools represent simple screenings to perform delabeling or refer to the Immunoallergology service, improving penicilins use and reducing the need for second-line antibiotics. More studies are needed to standardize the desensitization tests made by pharmacists. However, despite these results, the involvement and leadership of the pharmacist in this area is limited and constitutes a future challenge for the profession.
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Immunogenicity and seroefficacy of pneumococcal conjugate vaccines: a systematic review and network meta-analysis.
Background: Vaccination of infants with pneumococcal conjugate vaccines is recommended by the World Health Organization. Evidence is mixed regarding the differences in immunogenicity and efficacy of the different pneumococcal vaccines. Objectives: The primary objective was to compare the immunogenicity of pneumococcal conjugate vaccine-10 versus pneumococcal conjugate vaccine-13. The main secondary objective was to compare the seroefficacy of pneumococcal conjugate vaccine-10 versus pneumococcal conjugate vaccine-13. Methods: We searched the Cochrane Library, EMBASE, Global Health, MEDLINE, ClinicalTrials.gov and trialsearch.who.int up to July 2022. Studies were eligible if they directly compared either pneumococcal conjugate vaccine-7, pneumococcal conjugate vaccine-10 or pneumococcal conjugate vaccine-13 in randomised trials of children under 2 years of age, and provided immunogenicity data for at least one time point. Individual participant data were requested and aggregate data used otherwise. Outcomes included the geometric mean ratio of serotype-specific immunoglobulin G and the relative risk of seroinfection. Seroinfection was defined for each individual as a rise in antibody between the post-primary vaccination series time point and the booster dose, evidence of presumed subclinical infection. Each trial was analysed to obtain the log of the ratio of geometric means and its standard error. The relative risk of seroinfection ('seroefficacy') was estimated by comparing the proportion of participants with seroinfection between vaccine groups. The log-geometric mean ratios, log-relative risks and their standard errors constituted the input data for evidence synthesis. For serotypes contained in all three vaccines, evidence could be synthesised using a network meta-analysis. For other serotypes, meta-analysis was used. Results from seroefficacy analyses were incorporated into a mathematical model of pneumococcal transmission dynamics to compare the differential impact of pneumococcal conjugate vaccine-10 and pneumococcal conjugate vaccine-13 introduction on invasive pneumococcal disease cases. The model estimated the impact of vaccine introduction over a 25-year time period and an economic evaluation was conducted. Results: In total, 47 studies were eligible from 38 countries. Twenty-eight and 12 studies with data available were included in immunogenicity and seroefficacy analyses, respectively. Geometric mean ratios comparing pneumococcal conjugate vaccine-13 versus pneumococcal conjugate vaccine-10 favoured pneumococcal conjugate vaccine-13 for serotypes 4, 9V and 23F at 1 month after primary vaccination series, with 1.14- to 1.54-fold significantly higher immunoglobulin G responses with pneumococcal conjugate vaccine-13. Risk of seroinfection prior to the time of booster dose was lower for pneumococcal conjugate vaccine-13 for serotype 4, 6B, 9V, 18C and 23F than for pneumococcal conjugate vaccine-10. Significant heterogeneity and inconsistency were present for most serotypes and for both outcomes. Twofold higher antibody after primary vaccination was associated with a 54% decrease in risk of seroinfection (relative risk 0.46, 95% confidence interval 0.23 to 0.96). In modelled scenarios, pneumococcal conjugate vaccine-13 or pneumococcal conjugate vaccine-10 introduction in 2006 resulted in a reduction in cases that was less rapid for pneumococcal conjugate vaccine-10 than for pneumococcal conjugate vaccine-13. The pneumococcal conjugate vaccine-13 programme was predicted to avoid an additional 2808 (95% confidence interval 2690 to 2925) cases of invasive pneumococcal disease compared with pneumococcal conjugate vaccine-10 introduction between 2006 and 2030. Limitations: Analyses used data from infant vaccine studies with blood samples taken prior to a booster dose. The impact of extrapolating pre-booster efficacy to post-booster time points is unknown. Network meta-analysis models contained significant heterogeneity which may lead to bias. Conclusions: Serotype-specific differences were found in immunogenicity and seroefficacy between pneumococcal conjugate vaccine-13 and pneumococcal conjugate vaccine-10. Higher antibody response after vaccination was associated with a lower risk of subsequent infection. These methods can be used to compare the pneumococcal conjugate vaccines and optimise vaccination strategies. For future work, seroefficacy estimates can be determined for other pneumococcal vaccines, which could contribute to licensing or policy decisions for new pneumococcal vaccines. Study registration: This study is registered as PROSPERO CRD42019124580. Funding: This award was funded by the National Institute for Health and Care Research (NIHR) Health Technology Assessment programme (NIHR award ref: 17/148/03) and is published in full in Health Technology Assessment; Vol. 28, No. 34. See the NIHR Funding and Awards website for further award information.
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Interventions to improve osteoporosis medication adherence and persistence: A systematic review and literature appraisal by the ISPOR Medication Adherence & Persistence Special Interest Group
This study aims to systematically review, critically appraise and identify from the published literature, the most effective interventions to improve medication adherence in osteoporosis. A literature search using Medline, EMBASE, Cochrane library, and Cumulative Index to Nursing and Allied Health Literature was undertaken to identify prospective studies published between January 1, 1999 and June 30, 2012. We included studies on adult users of osteoporosis medications that tested a patient adherence intervention (e.g., patient education, intensified patient care, different dosing regimens) and reported quantitative results of adherence. The Delphi list was modified to assess the quality of studies. Of 113 articles identified, 20 studies fulfilled the inclusion criteria. The most frequent intervention was education (n = 11) followed by monitoring/supervision (n = 4), drug regimens (n = 2), drug regimens and patient support (n = 1), pharmacist intervention (n = 1), and electronic prescription (n = 1). Although patient education improved medication adherence in four studies, two large-scale randomized studies reported no benefits. Simplification of dosing regimens (with and without patient support program) was found to have a significant clinical impact on medication adherence and persistence. Monitoring/supervision showed no impact on medication persistence while electronic prescription and pharmacist intervention increased medication adherence or persistence. In conclusion, this review found that simplification of dosing regimens, decision aids, electronic prescription, or patient education may help to improve adherence or persistence to osteoporosis medications. We identified wide variation of quality of studies in the osteoporosis area. The efficacy of patient education was variable across studies, while monitoring/supervision does not seem an effective way to enhance medication adherence or persistence.
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