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Analysis of progression-free and overall survival in ovarian cancer: Bevacizumab treatment outcomes using historical cohort. 卵巢癌无进展生存期和总生存期分析:利用历史队列分析贝伐单抗的治疗效果
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-10-01 DOI: 10.1691/ph.2024.4570
I Conic, B Nedovic, R Zivadinovic, R Zivadinovic, A Petric, S Stojnev, I Petkovic, D Krtinic, M Radic

Background: The incorporation of bevacizumab, a monoclonal antibody targeting vascular endothelial growth factor (VEGF), has redefined therapeutic strategies for advanced ovarian cancer. This study evaluates the efficacy of bevacizumab combined with standard chemotherapy by comparing progression-free survival (PFS) and overall survival (OS) outcomes with a historical cohort of patients treated with standard chemotherapy alone. Methods: We conducted an analysis of 71 patients with advanced epithelial ovarian cancer treated at the University Clinical Center in Niš, Serbia, from April 2017 to March 2023. All patients received standard chemotherapy paired with bevacizumab and were monitored for progression-free survival (PFS) and overall survival (OS) using Kaplan-Meier estimates. Subgroup analyses were performed based on age, ECOG performance status, presence of metastases, and pleural effusion. Additionally, a historical cohort of 30 patients treated with standard chemotherapy alone was used for comparison, and Cox regression analysis was conducted to identify factors influencing treatment outcomes. Results: The study findings indicate significant improvements in median PFS (20 months vs. 15 months) and OS (58 months vs. an undetermined upper limit) compared to the historical cohort. Subgroup analysis of the bevacizumab-treated group revealed that younger patients (<65 years) and those without metastases or pleural effusion exhibited notably better survival outcomes. The hazard ratio for PFS in patients younger than 65 was 0.65 (95% CI: 0.45-0.93), suggesting a substantial reduction in disease progression risk compared to older patients. Conclusion: Bevacizumab, when used alongside standard chemotherapy, significantly extends both PFS and OS in patients with advanced ovarian cancer. These benefits are particularly pronounced in younger patients. The results underscore the necessity of integrating bevacizumab into the treatment regimen for advanced ovarian cancer, advocating for tailored therapeutic strategies based on individual risk profiles and clinical characteristics. This study reinforces the pivotal role of bevacizumab in enhancing the current ovarian cancer treatment landscape and highlights the potential for further personalizing oncological care.

背景:贝伐单抗是一种靶向血管内皮生长因子(VEGF)的单克隆抗体,它的加入重新定义了晚期卵巢癌的治疗策略。本研究通过比较无进展生存期(PFS)和总生存期(OS)结果与单独接受标准化疗的历史患者队列,评估贝伐单抗与标准化疗联合治疗的疗效。研究方法我们对2017年4月至2023年3月期间在塞尔维亚尼什大学临床中心接受治疗的71名晚期上皮性卵巢癌患者进行了分析。所有患者均接受了标准化疗与贝伐珠单抗配伍治疗,并使用卡普兰-梅耶估计值监测无进展生存期(PFS)和总生存期(OS)。根据年龄、ECOG 表现状态、有无转移灶和胸腔积液进行了分组分析。此外,研究人员还将单独接受标准化疗的30名患者组成历史队列进行比较,并进行了Cox回归分析,以确定影响治疗结果的因素。研究结果研究结果表明,与历史队列相比,中位 PFS(20 个月对 15 个月)和 OS(58 个月对未确定上限)均有明显改善。贝伐珠单抗治疗组的分组分析显示,年轻患者(结论:贝伐珠单抗治疗组的中位生存期(20 个月 vs. 15 个月)和OS(58 个月 vs. 未确定的上限)明显改善:贝伐单抗与标准化疗同时使用可显著延长晚期卵巢癌患者的生存期和手术时间。这些益处在年轻患者中尤为明显。研究结果强调了将贝伐珠单抗纳入晚期卵巢癌治疗方案的必要性,提倡根据个体风险特征和临床特点制定量身定制的治疗策略。这项研究加强了贝伐单抗在改善目前卵巢癌治疗状况中的关键作用,并突出了进一步个性化肿瘤治疗的潜力。
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引用次数: 0
Comparison of pharmacotherapeutic analgesic response and safety profile of tapentadol with other opioids. 比较他喷他多与其他阿片类药物的药理镇痛反应和安全性。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-10-01 DOI: 10.1691/ph.2024.4591
D Krtinic, G N Rankovic, A Cvetanovic, I Conic, M Todorovic Mitic, M Radic, A Lucic Prokin, M Cevrljakovic

Tapentadol is a unique opioid analgesic due to its dual mechanism of action. Compared to other opioids with a classical mechanism of action, its analgesic potential is not far behind them, and its advantages are: a better safety profile in terms of a lower potential for drug-drug interactions and a lower potential for causing adverse events, and it is safe to use in sensitive populations. Tapentadol in the form of a immediate release formulation is an adequate drug of choice for achieving a pharmacotherapeutic analgesic response in acute pain conditions, while in the form of a extended release formulation it is an adequate pharmacotherapeutic analgesic solution for chronic pain syndromes of various etiology. Due to the specificity of the mechanism of action, tapentadol adequately relieves both pain components - nociceptive and neuropathic, and has an indication area for mixed pain syndrome as well. Based on this, the need for the use of co-analgesics is reduced, and thus the incidence of possible interactions and adverse events is reduced.

由于具有双重作用机制,他喷他多是一种独特的阿片类镇痛药。与其他具有经典作用机制的阿片类药物相比,它的镇痛潜力并不逊色,其优势在于:安全性更好,药物间相互作用的可能性更低,引起不良反应的可能性更低,而且在敏感人群中使用也很安全。速释剂型的他喷他多是在急性疼痛情况下实现药物治疗镇痛反应的理想选择,而缓释剂型的他喷他多则是各种病因引起的慢性疼痛综合征的理想药物治疗镇痛解决方案。由于其作用机制的特异性,他喷他多能充分缓解两种疼痛--痛觉性疼痛和神经病理性疼痛,也是混合性疼痛综合症的适应症。在此基础上,减少了使用联合镇痛剂的需要,从而降低了可能发生的相互作用和不良反应。
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引用次数: 0
Cross-reactivity of triptans and sulfonamide antibiotics - a clinically relevant question? 三苯氧胺和磺胺类抗生素的交叉反应--一个临床相关的问题?
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-10-01 DOI: 10.1691/ph.2024.4600
A Kärcher, M Schubert-Zsilavecz, C Gaul

After repeated inquiries from patients whether sulfonamide antibiotic allergy should be considered in the context of taking a triptan, we present here the pharmaceutical background, the chemical structure of triptans, and the clinical relevance in a narrative review. In fact, evidence-based cross-reactivity referring to the well-known allergic reaction of sulfonamide antibiotics has not been described so far.

在患者多次询问服用三苯氧胺时是否应考虑磺胺类抗生素过敏的问题后,我们在此以叙述性综述的形式介绍了三苯氧胺的制药背景、化学结构和临床意义。事实上,关于磺胺类抗生素众所周知的过敏反应的交叉反应,迄今为止还没有相关的证据。
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引用次数: 0
Potential roles for eNOS and NrF₂ /HO-1 signaling in the ameliorative effect of lixisenatide on diabetes-induced kidney injury in rats and its amplification by ticagrelor co-administration. eNOS和NrF₂/HO-1信号传导在利血那肽对糖尿病诱导的大鼠肾损伤的改善作用中的潜在作用,以及联合应用替卡格雷可放大这种作用。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-10-01 DOI: 10.1691/ph.2024.4566
M Sleem, E M Aboubakr, W R Mohamed, A M Khalil, B A S Messiha, A Taye

Antioxidant and anti-inflammatory effects of lixisenatide (LX) and ticagrelor (TC) have been previously identified in type 2 diabetes mellitus (T2DM). Diabetic nephropathy is one of the major complications of T2DM. In the current study, we examined the potential protective effects of LX and TC on experimentally induced diabetic nephropathy in T2DM rats and their possible molecular mechanisms. To examine this possibility, rats were fed a high-fat diet (HFD) for 12 weeks, followed by a single injection of 35 mg/kg streptozotocin (STZ) to induce T2DM. 10 μg/kg LX and 25 mg/kg TC were given alone or in combination to T2DM rats for 4 weeks. The kidney examination of T2DM rats showed clear deterioration. T2DM rats exhibited significantly higher body weight, blood glucose, hemostatic model assessment for insulin resistance (HOMA-IR), blood urea nitrogen (BUN), serum creatinine, kidney reactive oxygen species (ROS), nuclear factor-κ B (NF-κ B), and transforming growth factor-β (TGF-β ), and significantly lower serum insulin, urine creatinine, creatinine clearance (CRCL), kidney superoxide dismutase (SOD), glutathione reduced (GSH), nuclear factor erythroid 2 (NrF₂ ), heme oxygenase-1 (HO-1), and endothelial nitric oxide synthase (eNOS) when compared to control rats. Single treatment with LX or TC showed obvious ameliorative effects on kidney complications in T2DM rats, with more ameliorative effects with the combined administration of both drugs. Conclusion: Our investigation found that both LX and TC could significantly ameliorate the development of diabetic nephropathy via stimulating NrF₂ /HO-1 antioxidant pathway in addition to increasing eNOS and decreasing NF-κ B renal tissue concentrations, and these effects were markedly augmented by their combined administration.

利血那肽(LX)和替卡格雷(TC)的抗氧化和抗炎作用已在 2 型糖尿病(T2DM)中得到证实。糖尿病肾病是 T2DM 的主要并发症之一。在本研究中,我们考察了 LX 和 TC 对实验诱导的 T2DM 大鼠糖尿病肾病的潜在保护作用及其可能的分子机制。为了研究这种可能性,我们给大鼠喂食高脂饮食(HFD)12 周,然后单次注射 35 毫克/千克链脲佐菌素(STZ)诱导 T2DM。给 T2DM 大鼠单独或联合注射 10 μg/kg LX 和 25 mg/kg TC,为期 4 周。T2DM 大鼠的肾脏检查结果显示其肾功能明显恶化。T2DM 大鼠的体重、血糖、胰岛素抵抗止血模型评估(HOMA-IR)、血尿素氮(BUN)、血清肌酐、肾脏活性氧(ROS)、核因子-κ B(NF-κ B)和转化生长因子-β(TGF-β)均明显升高、与对照组大鼠相比,血清胰岛素、尿肌酐、肌酐清除率(CRCL)、肾脏超氧化物歧化酶(SOD)、谷胱甘肽还原酶(GSH)、红细胞核因子 2(NrF₂)、血红素加氧酶-1(HO-1)和内皮一氧化氮合酶(eNOS)均明显降低。LX 或 TC 单药治疗对 T2DM 大鼠肾脏并发症有明显的改善作用,两种药物联合用药的改善作用更明显。结论我们的研究发现,LX 和 TC 除了能增加 eNOS 和降低 NF-κ B 肾组织浓度外,还能通过刺激 NrF₂ /HO-1 抗氧化途径显著改善糖尿病肾病的发展,而联合用药能明显增强这些作用。
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引用次数: 0
Impact of medication reconciliation and medication reviews on the incidence of preventable adverse drug reactions during hospitalization of elderly patients. A randomized controlled trial. 用药协调和用药回顾对老年患者住院期间可预防的药物不良反应发生率的影响。随机对照试验。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-10-01 DOI: 10.1691/ph.2024.4540
K Schmitz, R Lenssen, S Wied, A Laven, D Berning, C Thomeczek, J Brokmann, U Jaehde, A Eisert

Background: Of all adverse drug reactions, 35-45% are due to medication errors and would therefore be preventable. Thus, it is essential to implement effective strategies to prevent medication errors. However, it remains unclear whether medication reviews provide an additional benefit compared to medication reconciliation regarding medication safety. Aim: The present study aimed to evaluate whether medication reconciliation and medication reviews affect the incidence of preventable adverse drug reactions in elderly patients. Method: Non-elective patients 65 years and above admitted to the hospital, taking at least one high-risk drug, were eligible for participation in a three-armed randomized controlled trial. One group went through the medication reconciliation process, a second group received a comprehensive medication review, including medication reconciliation, and the third group did not receive any pharmaceutical intervention (control group). The incidence of preventable adverse drug reactions during hospitalization was set as the primary endpoint. The severity of the preventable adverse drug reactions and the number and clinical relevance of drug-related problems and discrepancies were defined as secondary endpoints. Results: In 207 patients, 74 preventable adverse drug reactions were detected. Neither medication reconciliation nor medication reviews showed a significant impact on the incidence of preventable adverse drug reactions compared to the control group. However, medication reviews significantly reduced the severity of preventable adverse drug reactions (p=0.017). Conclusion: The current study results suggest that medication reviews may have an impact on a clinically relevant outcome by reducing the severity of preventable adverse drug reactions. A significant impact of medication reconciliation on clinically relevant outcomes could not be demonstrated. Based on the results of this study, when deciding on a pharmaceutical intervention comprehensive medication reviews should be preferred over sole medication reconciliation whenever possible.

背景:在所有药物不良反应中,35%-45% 是由用药错误引起的,因此是可以预防的。因此,实施有效的策略预防用药错误至关重要。然而,在用药安全方面,与用药调节相比,用药点评是否能带来额外的益处,目前仍不清楚。目的:本研究旨在评估用药调节和用药点评是否会影响老年患者可预防的药物不良反应的发生率。方法:对年龄在 65 岁及以上的非选择性住院病人进行调查:65 岁及以上的非选择性入院患者,至少服用一种高风险药物,均有资格参与三组随机对照试验。一组接受药物调节过程,第二组接受包括药物调节在内的全面药物审查,第三组不接受任何药物干预(对照组)。住院期间可预防的药物不良反应发生率被设定为主要终点。可预防的药物不良反应的严重程度以及药物相关问题和差异的数量和临床相关性被定义为次要终点。结果在 207 名患者中发现了 74 例可预防的药物不良反应。与对照组相比,药物调节和药物审查对可预防药物不良反应的发生率均无显著影响。然而,用药点评能明显降低可预防药物不良反应的严重程度(P=0.017)。结论:目前的研究结果表明,通过降低可预防药物不良反应的严重程度,药物回顾可能会对临床相关结果产生影响。但无法证明药物调节对临床相关结果有重大影响。根据本研究的结果,在决定采取药物干预措施时,应尽可能选择全面的用药点评,而不是单一的药物调节。
{"title":"Impact of medication reconciliation and medication reviews on the incidence of preventable adverse drug reactions during hospitalization of elderly patients. A randomized controlled trial.","authors":"K Schmitz, R Lenssen, S Wied, A Laven, D Berning, C Thomeczek, J Brokmann, U Jaehde, A Eisert","doi":"10.1691/ph.2024.4540","DOIUrl":"https://doi.org/10.1691/ph.2024.4540","url":null,"abstract":"<p><p><i>Background</i>: Of all adverse drug reactions, 35-45% are due to medication errors and would therefore be preventable. Thus, it is essential to implement effective strategies to prevent medication errors. However, it remains unclear whether medication reviews provide an additional benefit compared to medication reconciliation regarding medication safety. <i>Aim</i>: The present study aimed to evaluate whether medication reconciliation and medication reviews affect the incidence of preventable adverse drug reactions in elderly patients. <i>Method</i>: Non-elective patients 65 years and above admitted to the hospital, taking at least one high-risk drug, were eligible for participation in a three-armed randomized controlled trial. One group went through the medication reconciliation process, a second group received a comprehensive medication review, including medication reconciliation, and the third group did not receive any pharmaceutical intervention (control group). The incidence of preventable adverse drug reactions during hospitalization was set as the primary endpoint. The severity of the preventable adverse drug reactions and the number and clinical relevance of drug-related problems and discrepancies were defined as secondary endpoints. <i>Results</i>: In 207 patients, 74 preventable adverse drug reactions were detected. Neither medication reconciliation nor medication reviews showed a significant impact on the incidence of preventable adverse drug reactions compared to the control group. However, medication reviews significantly reduced the severity of preventable adverse drug reactions (p=0.017). <i>Conclusion</i>: The current study results suggest that medication reviews may have an impact on a clinically relevant outcome by reducing the severity of preventable adverse drug reactions. A significant impact of medication reconciliation on clinically relevant outcomes could not be demonstrated. Based on the results of this study, when deciding on a pharmaceutical intervention comprehensive medication reviews should be preferred over sole medication reconciliation whenever possible.</p>","PeriodicalId":20145,"journal":{"name":"Pharmazie","volume":"79 9","pages":"209-214"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142472458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential effects of attention deficit hyperactivity disorder medication on body height and body weight in a longitudinal pediatric cohort study, the LIFE Child study. 在一项纵向儿科队列研究--"LIFE 儿童研究 "中,注意缺陷多动障碍药物对身高和体重的潜在影响。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-10-01 DOI: 10.1691/ph.2024.4551
M Herzig, V C Klaus, A Bertsche, C Hilbert, W Kiess, T Bertsche, M P Neininger

Purpose: To investigate the potential impact of drugs for the treatment of attention deficit hyperactivity disorder (ADHD) on body weight and height in children and adolescents from the LIFE ('Leipzig Research Centre for Civilization Diseases', Leipzig, Germany) Child cohort. Methods: We included 2,115 participants aged ≥6 to <18.25 years who attended the LIFE study center between 2011 and 2020 in our analysis, of whom 48 used ADHD drugs. Anthropometric and medication data from baseline to the third follow-up visit were available for 659 participants. Body height and body weight measurements were subsequently converted to z-scores. A repeated measures analysis of variance (ANOVA) was performed on the z-scores of both ADHD drug users and non-users to determine potential trends in body weight and body height from baseline to the 3 rd annual follow-up. Results: At the last visit with ADHD drug use of the 48 ADHD drug users, 40% (19/48) of the children and adolescents were below the 25 th reference percentile for weight. Z-scores for body height declined from baseline to the 3rd annual follow-up in individuals who used ADHD drugs (n=10; Differencemeans =-0.310; p=0.002) compared to non-users (n=649; Differencemeans =0.102; p<0.001). Body weight also decreased from baseline to 3rd follow-up in the ADHD drug group (n=10; Differencemeans =-0.473; p<0.001) compared to the non-user group (n=649; Differencemeans =0.015; p=0.161). Conclusion: We observed a potential tendency towards lower Z-scores for body height and body weight in individuals taking ADHD medication for an extended period compared to the corresponding age- and sex-matched populations.

目的:研究治疗注意缺陷多动障碍(ADHD)的药物对 LIFE(莱比锡文明病研究中心,德国莱比锡)儿童队列中儿童和青少年体重和身高的潜在影响。研究方法我们纳入了 2,115 名年龄≥6 岁的参与者:在48名ADHD药物使用者的最后一次就诊时,40%的儿童和青少年(19/48)体重低于第25个参考百分位数。与不使用ADHD药物组(n=649;Differencemeans =0.102;prd follow-up in the ADHD drug group (n=10;Differencemeans =-0.473;pmeans =0.015;p=0.161)相比,使用ADHD药物者的身高Z值从基线到第3次年度随访均有所下降(n=10;Differencemeans =-0.310;p=0.002)。结论我们观察到,与相应的年龄和性别匹配人群相比,长期服用多动症药物的人群身高和体重的 Z 值有降低的潜在趋势。
{"title":"Potential effects of attention deficit hyperactivity disorder medication on body height and body weight in a longitudinal pediatric cohort study, the LIFE Child study.","authors":"M Herzig, V C Klaus, A Bertsche, C Hilbert, W Kiess, T Bertsche, M P Neininger","doi":"10.1691/ph.2024.4551","DOIUrl":"https://doi.org/10.1691/ph.2024.4551","url":null,"abstract":"<p><p><i>Purpose:</i> To investigate the potential impact of drugs for the treatment of attention deficit hyperactivity disorder (ADHD) on body weight and height in children and adolescents from the LIFE ('Leipzig Research Centre for Civilization Diseases', Leipzig, Germany) Child cohort. <i>Methods:</i> We included 2,115 participants aged ≥6 to <18.25 years who attended the LIFE study center between 2011 and 2020 in our analysis, of whom 48 used ADHD drugs. Anthropometric and medication data from baseline to the third follow-up visit were available for 659 participants. Body height and body weight measurements were subsequently converted to z-scores. A repeated measures analysis of variance (ANOVA) was performed on the z-scores of both ADHD drug users and non-users to determine potential trends in body weight and body height from baseline to the 3 rd annual follow-up. <i>Results:</i> At the last visit with ADHD drug use of the 48 ADHD drug users, 40% (19/48) of the children and adolescents were below the 25 th reference percentile for weight. Z-scores for body height declined from baseline to the 3<sup>rd</sup> annual follow-up in individuals who used ADHD drugs (n=10; Difference<sub>means</sub> =-0.310; p=0.002) compared to non-users (n=649; Difference<sub>means</sub> =0.102; p<0.001). Body weight also decreased from baseline to 3<sup>rd</sup> follow-up in the ADHD drug group (n=10; Difference<sub>means</sub> =-0.473; p<0.001) compared to the non-user group (n=649; Difference<sub>means</sub> =0.015; p=0.161). <i>Conclusion:</i> We observed a potential tendency towards lower Z-scores for body height and body weight in individuals taking ADHD medication for an extended period compared to the corresponding age- and sex-matched populations.</p>","PeriodicalId":20145,"journal":{"name":"Pharmazie","volume":"79 9","pages":"202-208"},"PeriodicalIF":1.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142472459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigations on 5,6,7,8-tetrahydro-[1,2,4]triazolo[1,2-a]pyridazin-1-amines and related compounds: synthesis, chemical behaviour, structure elucidation and iNOS inhibitory activity. 5,6,7,8-四氢-[1,2,4]三唑并[1,2-a]哒嗪-1-胺及相关化合物的研究:合成、化学性质、结构阐释和 iNOS 抑制活性。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-08-01 DOI: 10.1691/ph.2024.4524
O Morgenstern, U Giesen, T Garn, M Freitag, K Schmidt, A Großmann, A Trettin, N Thämlitz, C Lemmerhirt

The present work reports on the preparation of the hitherto unknown title compounds 5, with various synthetic routes described. The initially pursued concept of S-N exchange with varioius 1-substituted 3-methylsulfanyl-5,6,7,8-tetrahydro-1 H -[1,2,4]triazolo[1,2- a ]pyridazines 4 by using nitrogen nucleophiles was only marginally successful. The reactions proceeded slowly and the yields were low, mainly because of the pronounced formation of 5,6,7,8-tetrahydro-[1,2,4]triazolo[1,2- a ]pyridazin-1-imines 7 by oxidation of the heterocyclic amines 5 initially formed. The integration of the synthesis of 3-acylsulfanyl analogues with the more reactive leaving groups also failed. On the other hand, the cyclization of the hydrohalides of hexahydropyridazine-1-carboximidamide with aromatic aldehydes and some low molecular weight ketones gives significantly better results in the synthesis of the title compounds 5. The use of the hydrochloride 6b proved to be advantageous in comparison to the hydroiodide 6a because the yields were significantly better and the imines 7 formed at the same time only to a small extent. In addition, the starting compound 6b can be prepared in a single-step synthesis in very good yield from hexahydropyridazine hydrochloride 1 and cyanamide. The cyclization of N' -phenylhexahydropyridazine-1-carboximidamide hydrochloride 6c with substituted benzaldehydes gives the 3-aryl-substituted 2-phenyl-2,3,5,6,7,8-hexahydro -1H -[1,2,4]triazolo[1,2- a ] pyridazin-1-imines 8. In the context with the study of the reaction of hexahydropyridazine-1-carboximidamide hydroiodide 6a with cyclohexanone, the hexahydropyridazine-1-carboxamide 9 was specifically synthesized. This can be reacted with aromatic aldehydes to give the 5,6,7,8-tetrahydro-1 H -[1,2,4]triazolo[1,2- a ]pyridazin-1-ones 10 in very good yields. The results of the biological testing of representatives of the synthesized 5,6,7,8-tetrahydro-[1,2,4] triazolo[1,2-a]pyridazine-1-amines 5 show, in comparison to the already examined thions 3 and 3-methylsulfanyl derivatives 4, significantly less inducible nitric oxide synthase (iNOS) inhibitory activity.

本研究报告介绍了迄今未知的标题化合物 5 的制备方法,并描述了各种合成路线。最初通过使用氮亲核物与不同的 1-取代 3-甲硫基-5,6,7,8-四氢-1 H-[1,2,4]三唑并[1,2- a ]哒嗪 4 进行 S-N 交换的概念只取得了微小的成功。反应进行缓慢,产率较低,主要是因为最初形成的杂环胺 5 在氧化过程中明显生成了 5,6,7,8-四氢-[1,2,4]三唑并[1,2- a ]哒嗪-1-亚胺 7。将 3-酰基硫酰基类似物与反应性更强的离去基团结合合成的方法也失败了。另一方面,六氢哒嗪-1-甲脒的氢卤化物与芳香醛和一些低分子量酮的环化反应在合成标题化合物 5 方面得到了明显更好的结果。事实证明,与氢碘化物 6a 相比,使用盐酸盐 6b 更为有利,因为产率明显更高,而且同时形成的亚胺 7 也很少。此外,起始化合物 6b 可由六氢哒嗪盐酸盐 1 和氰酰胺通过一步合成制备,收率非常高。N' -苯基六氢哒嗪-1-甲脒盐酸盐 6c 与取代的苯甲醛环化后,可得到 3-芳基取代的 2-苯基-2,3,5,6,7,8-六氢-1H-[1,2,4]三唑并[1,2-a ]哒嗪-1-亚胺 8。在研究六氢哒嗪-1-甲脒氢碘化物 6a 与环己酮的反应时,特别合成了六氢哒嗪-1-甲酰胺 9。它可以与芳香醛反应,得到 5、6、7、8-四氢-1 H-[1,2,4]三唑并[1,2- a ]哒嗪-1-酮 10,收率非常高。对合成的 5,6,7,8-四氢-[1,2,4]三唑并[1,2-a]哒嗪-1-胺 5 的代表化合物进行生物测试的结果表明,与已经研究过的硫代物 3 和 3-甲硫基衍生物 4 相比,诱导型一氧化氮合酶(iNOS)抑制活性明显降低。
{"title":"Investigations on 5,6,7,8-tetrahydro-[1,2,4]triazolo[1,2-<i>a</i>]pyridazin-1-amines and related compounds: synthesis, chemical behaviour, structure elucidation and iNOS inhibitory activity.","authors":"O Morgenstern, U Giesen, T Garn, M Freitag, K Schmidt, A Großmann, A Trettin, N Thämlitz, C Lemmerhirt","doi":"10.1691/ph.2024.4524","DOIUrl":"10.1691/ph.2024.4524","url":null,"abstract":"<p><p>The present work reports on the preparation of the hitherto unknown title compounds <b>5,</b> with various synthetic routes described. The initially pursued concept of S-N exchange with varioius 1-substituted 3-methylsulfanyl-5,6,7,8-tetrahydro-1 <i>H</i> -[1,2,4]triazolo[1,2- <i>a</i> ]pyridazines <b>4</b> by using nitrogen nucleophiles was only marginally successful. The reactions proceeded slowly and the yields were low, mainly because of the pronounced formation of 5,6,7,8-tetrahydro-[1,2,4]triazolo[1,2- <i>a</i> ]pyridazin-1-imines <b>7</b> by oxidation of the heterocyclic amines <b>5</b> initially formed. The integration of the synthesis of 3-acylsulfanyl analogues with the more reactive leaving groups also failed. On the other hand, the cyclization of the hydrohalides of hexahydropyridazine-1-carboximidamide with aromatic aldehydes and some low molecular weight ketones gives significantly better results in the synthesis of the title compounds <b>5</b>. The use of the hydrochloride <b>6b</b> proved to be advantageous in comparison to the hydroiodide <b>6a</b> because the yields were significantly better and the imines <b>7</b> formed at the same time only to a small extent. In addition, the starting compound <b>6b</b> can be prepared in a single-step synthesis in very good yield from hexahydropyridazine hydrochloride <b>1</b> and cyanamide. The cyclization of <i>N'</i> -phenylhexahydropyridazine-1-carboximidamide hydrochloride <b>6c</b> with substituted benzaldehydes gives the 3-aryl-substituted 2-phenyl-2,3,5,6,7,8-hexahydro <i>-1H</i> -[1,2,4]triazolo[1,2- <i>a</i> ] pyridazin-1-imines <b>8</b>. In the context with the study of the reaction of hexahydropyridazine-1-carboximidamide hydroiodide <b>6a</b> with cyclohexanone, the hexahydropyridazine-1-carboxamide <b>9</b> was specifically synthesized. This can be reacted with aromatic aldehydes to give the 5,6,7,8-tetrahydro-1 <i>H</i> -[1,2,4]triazolo[1,2- <i>a</i> ]pyridazin-1-ones <b>10</b> in very good yields. The results of the biological testing of representatives of the synthesized 5,6,7,8-tetrahydro-[1,2,4] triazolo[1,2-a]pyridazine-1-amines <b>5</b> show, in comparison to the already examined thions <b>3</b> and 3-methylsulfanyl derivatives <b>4,</b> significantly less inducible nitric oxide synthase (iNOS) inhibitory activity.</p>","PeriodicalId":20145,"journal":{"name":"Pharmazie","volume":"79 7","pages":"130-145"},"PeriodicalIF":1.5,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141996310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of a mass spectrometric analytical method for the quality assessment of insulin and its analogs. 优化用于胰岛素及其类似物质量评估的质谱分析方法。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-08-01 DOI: 10.1691/ph.2024.4013
B A Pajaziti, M Andrási, D Nebija, N Kemlendi, B Pajaziti

The principal aim of this study was to optimize analytical methodology based on mass spectrometry for the evaluation of the quality of recombinant human insulin and its analogs. In this study ESI-MS was used to assess the quality of human insulin, short acting insulin analogs, insulin lispro, insulin aspart and insulin glulisine and long acting analogs including insulin glargine, insulin degludec, and insulin detemir, in respective pharmaceutical formulations. In this study, with the aimed to optimize analytical conditions, different factors influencing the analytical performance such as pH, ionic strength, sample dilution, organic solvent addition were addressed. The study results demonstrated that MS is a suitable technique for the analysis of biotechnological compounds like insulin and its analogs. Although the obtained results provide an important information regarding this methodology, further studies are needed to validate this analytical approach and check for its suitability to be used in the regulatory environment.

本研究的主要目的是优化基于质谱的分析方法,以评估重组人胰岛素及其类似物的质量。本研究使用 ESI-MS 评估人胰岛素、短效胰岛素类似物(利舒胰岛素、阿斯巴特胰岛素和格列宁胰岛素)以及长效类似物(格列宁胰岛素、德格列奈胰岛素和地特米胰岛素)在各自药物制剂中的质量。在这项研究中,为了优化分析条件,对影响分析性能的不同因素进行了研究,如 pH 值、离子强度、样品稀释、有机溶剂添加等。研究结果表明,质谱是分析胰岛素及其类似物等生物技术化合物的合适技术。虽然获得的结果提供了有关该方法的重要信息,但仍需进一步研究以验证这种分析方法,并检查其是否适合用于监管环境。
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引用次数: 0
Analysis and evaluation of factors contributing to the occurrence of immune-related adverse events with immune checkpoint inhibitors. 分析和评估导致免疫检查点抑制剂发生免疫相关不良事件的因素。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-08-01 DOI: 10.1691/ph.2024.4548
T Nagase, O Shima, N Maruhana, Y Miyazawa, S Yoshino, J Sato, H Yamada, K Shinozaki, K Ikeda

In recent years, there has been a growing trend in the use of immune checkpoint inhibitors (ICIs) for treating a larger patient population. However, it is important to note that immune-related adverse events (irAEs) frequently arise as a result. Therefore, precise patient monitoring becomes essential. We present the findings of a retrospective study conducted at the International University of Health and Welfare Narita Hospital (referred to as "our hospital") that aimed to identify risk factors linked to the occurrence of irAEs. The study focused on analyzing various factors, including therapeutic and lifestyle backgrounds, as well as laboratory values of patients who received ICI treatment and were subsequently diagnosed with irAE. The study included patients who met the eligibility criteria for ICIs (both single agent and combination therapy) as well as ICI in combination with anticancer drugs. The inclusion period for the study encompassed April 2020 to May 2022 at our hospital. The fifty patients were divided into two groups based on the severity of irAEs: the first group consisted of patients with irAE Grade 2 or lower (referred to as irAE Grade under 2), while the second group included patients with irAE Grade 3 or higher (referred to as irAE Grade over 3). Statistical analysis revealed significant differences in age (p=0.027) and CRP (C-reactive protein) levels (p=0.008) among the background factors when comparing the two groups. Additionally, statistically significant differences were observed among different ICI treatment groups in the occurrence of irAEs (p=0.035). however, it was indicated to be a relatively weak correlation. Moving forward, we shifted our focus to examine the frequency of irAEs in relation to exposure. However, we did not observe any significant correlation between exposure and irAE grade. Additionally, even when exposure was doubled through the use of ipilimumab in combination with ICIs (referred to as "Mod exposure"), no correlation was found. Exposure was further categorized into three groups: the PD-1 group, PD-L1 group, and PD-1 + CTLA-4 group. However, no significant correlation was observed between exposure in any of these groups and the grade of irAEs. Similarly, no significant correlation was observed between the dosage of ICI in the fixed-dose group and the weight-based dosage group with exposure and irAE Grade. Based on our study findings, there is a suggestive relationship between age and CRP levels and the occurrence of irAEs of Grade 3 or higher. These factors may play a role in contributing to the development of more severe irAEs.

近年来,使用免疫检查点抑制剂(ICIs)治疗更多患者的趋势日益明显。然而,值得注意的是,免疫相关不良事件(irAEs)经常因此而发生。因此,对患者进行精确监测至关重要。我们介绍了国际保健福祉大学成田医院(简称 "本院")开展的一项回顾性研究的结果,该研究旨在确定与发生 irAEs 相关的风险因素。该研究重点分析了接受 ICI 治疗后被确诊为虹膜异位症的患者的各种因素,包括治疗和生活方式背景以及实验室值。研究对象包括符合 ICIs(单药和联合疗法)以及 ICI 与抗癌药物联合疗法资格标准的患者。本医院的研究纳入期为 2020 年 4 月至 2022 年 5 月。根据虹膜不良反应的严重程度将这50名患者分为两组:第一组包括虹膜不良反应2级或2级以下的患者(简称虹膜不良反应2级以下),第二组包括虹膜不良反应3级或3级以上的患者(简称虹膜不良反应3级以上)。统计分析显示,两组患者的年龄(P=0.027)和CRP(C反应蛋白)水平(P=0.008)在背景因素中存在明显差异。此外,不同 ICI 治疗组之间在发生 irAEs 方面也存在统计学意义上的显著差异(p=0.035)。接下来,我们将重点转移到研究与暴露相关的 irAEs 频率。但是,我们没有观察到暴露与 irAE 等级之间存在任何明显的相关性。此外,即使通过将伊匹单抗与 ICIs 联用(称为 "Mod 暴露")使暴露量增加一倍,也没有发现相关性。暴露进一步分为三组:PD-1 组、PD-L1 组和 PD-1 + CTLA-4 组。然而,在这些组中的任何一组中,都没有观察到暴露与 irAEs 分级之间存在明显的相关性。同样,在固定剂量组和按体重剂量组中,也没有观察到 ICI 剂量与暴露量和 irAE 等级之间存在明显的相关性。根据我们的研究结果,年龄和 CRP 水平与 3 级或 3 级以上虹膜不良反应的发生之间存在提示性关系。这些因素可能是导致更严重虹膜急性不良反应发生的原因之一。
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引用次数: 0
Occurrence of somnolence and respiratory depression induced by pregabalin and mirogabalin use and the influence of opioid treatment using the Japanese adverse drug event report database. 使用普瑞巴林和米瑞巴林引起的嗜睡和呼吸抑制的发生率以及阿片类药物治疗的影响,使用日本药物不良事件报告数据库。
IF 1.5 4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2024-08-01 DOI: 10.1691/ph.2024.4528
H Kato, T Koseki, M Kondo

Background: Gabapentinoid anticonvulsants are standard treatment for neuropathic pain and are often combined with opioids for treating cancer. It is assumed that this combination may heighten somnolence and respiratory depression due to the inhibitory effects of opioids on the central nervous system. Although pregabalin, a gabapentinoid, is known to increase somnolence frequency during opioid therapy, whether mirogabalin exerts similar effects on somnolence frequency under opioid therapy remains unknown. This study examined the signals of somnolence and respiratory depression in response to pregabalin and mirogabalin use by utilizing data from the Japanese Adverse Drug Event Report database and assessed their interaction with strong opioid analgesics. Methods: Information was obtained from the JADER database from April 2004 to August 2023 via the Pharmaceuticals and Medical Devices Agency website. The study focused on neuropathic pain medications, specifically "pregabalin" and "mirogabalin besilate." Adverse events were defined using preferred terms (PTs) from the Medical Dictionary for Regulatory Activities version 26.1. The PTs considered were "Somnolence (10041349)" and "Respiratory depression (10038678)." To investigate the effect of the combination of strong opioid analgesics with pregabalin and mirogabalin on the occurrence of somnolence, a multivariable logistic regression analysis was conducted. Results: Signals for somnolence were detected with the use of both drugs (pregabalin: information component (IC) [95% confidence intervals (CIs)]: 2.89 [2.70 to 3.08]; mirogabalin: IC [95% CIs] 2.50 [1.85 to 3.16]). When evaluating respiratory depression, a typical and serious adverse event of opioid analgesic use, a signal was detected with pregabalin use but not with mirogabalin use (pregabalin: (IC [95% CIs] 1.28 [0.83 to 1.73]; mirogabalin: IC [95% CIs] -0.15 [-2.20 to 1.89]). Multivariable analysis indicated that the use of strong opioid analgesics increased the occurrence of somnolence when combined with pregabalin but not when combined with mirogabalin (p = 0.004). Conclusion: While the safety of concomitant administation of mirogabalin with opioids remains controversial, caution should be exercised when using pregabalin, especially in combination with opioids for neuropathic pain, compared to that for mirogabalin.

背景:加巴喷丁类抗惊厥药是治疗神经性疼痛的标准药物,通常与阿片类药物联合用于治疗癌症。据推测,由于阿片类药物对中枢神经系统的抑制作用,这种联合用药可能会加重嗜睡和呼吸抑制。虽然已知普瑞巴林(一种加巴喷丁类药物)在阿片类药物治疗过程中会增加嗜睡频率,但米罗加巴林在阿片类药物治疗过程中是否会对嗜睡频率产生类似影响仍是未知数。本研究利用日本药物不良事件报告数据库的数据,研究了使用普瑞巴林和米罗格巴林时的嗜睡和呼吸抑制信号,并评估了它们与强阿片类镇痛药的相互作用。研究方法通过药品和医疗器械管理局网站从 JADER 数据库中获取 2004 年 4 月至 2023 年 8 月期间的信息。研究重点是神经痛药物,特别是 "普瑞巴林 "和 "苯磺酸米罗加巴林"。不良事件的定义采用了《监管活动医学词典》26.1 版中的首选术语 (PT)。考虑的首选术语为 "嗜睡(10041349)"和 "呼吸抑制(10038678)"。为了研究强阿片类镇痛药与普瑞巴林和米罗格巴林联用对嗜睡发生率的影响,进行了多变量逻辑回归分析。结果发现使用这两种药物均可检测到嗜睡信号(普瑞巴林:信息成分(IC)[95% 置信区间(CIs)]:2.89 [2.70 至 3.08];米罗格巴林:IC [95% CIs] 2.50 [1.85 至 3.16])。呼吸抑制是使用阿片类镇痛药的典型严重不良反应,在对呼吸抑制进行评估时,发现使用普瑞巴林会出现信号,而使用米瑞巴林则不会(普瑞巴林:(IC [95% CIs] 1.28 [0.83 to 1.73];米瑞巴林:IC [95% CIs] -0.15 [-2.20 to 1.89])。多变量分析表明,与普瑞巴林合用时,使用强阿片类镇痛药会增加嗜睡发生率,但与米罗格巴林合用时不会(p = 0.004)。结论虽然米罗卡巴林与阿片类药物联合用药的安全性仍存在争议,但与米罗卡巴林相比,在使用普瑞巴林,尤其是与阿片类药物联合治疗神经病理性疼痛时应谨慎。
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