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Cefprozil versus Amoxicillin/Clavulanate for the Treatment of Acute Otitis Media in Children: Meta-Analysis of Efficacy and Safety 被引量:1
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作者 Rafael Bolanos-Diaz Maria Calderon-Cahua 《Pharmacology & Pharmacy》 2014年第4期386-394,共9页
Introduction: The efficacy of amoxicillin combined with clavulanic acid in Acute Otitis Media (AOM) is not debatable, but studies report a high frequency of gastrointestinal adverse effects related to this interventio... Introduction: The efficacy of amoxicillin combined with clavulanic acid in Acute Otitis Media (AOM) is not debatable, but studies report a high frequency of gastrointestinal adverse effects related to this intervention. In this scenario, several studies about the antibiotic cefprozil report that it has the same efficacy as amoxicillin/clavulanate for the treatment of AOM with significantly fewer side effects. The aim of our study was to compare the efficacy and safety of both treatments in AOM. Methodology: We searched for clinical trials and systematic reviews with or without meta-analyses in the Cochrane Group Register and the MEDLINE database up to November 2013, comparing the two interventions mentioned. Results were expressed as a rate of treatment failures or favorable response rates (clinical and microbiological in both cases), and as the rate of adverse events. The analysis was carried out considering the fixed and random effects models. The significance level used in the test for heterogeneity was 0.05. Funnel plot was used to search for publication bias. Results: 7 clinical trials were included in the analysis and no significant difference was found for both interventions regarding clinical and bacteriological response (RR = 1.02, 95% CI, 0.97-1.06, p = 0.780 and RR = 1.02, 95% CI, 0.99-1.07, p = 0.228, respectively). However, a significant difference was found in the comparison of adverse effects, showing that amoxicillin/clavulanate has a significantly higher risk of developing side effects than cefprozil (RR = 0.52, 95% CI, 0.45-0.59, p = 0.000). Conclusion: Both treatments demonstrated equal clinical and microbiological efficacy. However, the use of cefprozil is significantly associated with a lower risk of adverse effects. 展开更多
关键词 CEFPROZIL amoxicillin/clavulanate Acute Otitis Media
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Acute cholestatic hepatitis caused by amoxicillin/ clavulanate 被引量:2
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作者 Daniel Oliveira Beraldo Joanderson Fernandes Melo +3 位作者 Alexandre Vidal Bonfim Andrei Alkmim Teixeira Ricardo Alkmim Teixeira André Loyola Duarte 《World Journal of Gastroenterology》 SCIE CAS 2013年第46期8789-8792,共4页
Amoxicillin/clavulanate is a synthetic penicillin that is currently commonly used,especially for the treatment of respiratory and cutaneous infections.In general,it is a well-tolerated oral antibiotic.However,amoxicil... Amoxicillin/clavulanate is a synthetic penicillin that is currently commonly used,especially for the treatment of respiratory and cutaneous infections.In general,it is a well-tolerated oral antibiotic.However,amoxicillin/clavulanate can cause adverse effects,mainly cutaneous,gastrointestinal,hepatic and hematologic,in some cases.Presented here is a case report of a 63-yearold male patient who developed cholestatic hepatitis after recent use of amoxicillin/clavulanate.After 6 wk of prolonged use of the drug,he began to show signs of cholestatic icterus and developed severe hyperbilirubinemia(total bilirubin>300 mg/L).Diagnostic investigation was conducted by ultrasonography of the upper abdomen,serum tests for infection history,laboratory screening of autoimmune diseases,nuclear magnetic resonance(NMR)of the abdomen with bile duct-NMR and transcutaneous liver biopsy guided by ultrasound.The duration of disease was approximately 4 mo,with complete resolution of symptoms and laboratory changes at the end of that time period.Specific treatment was not instituted,only a combination of anti-emetic(metoclopramide)and cholestyramine for pruritus. 展开更多
关键词 HEPATOLOGY HEPATITIS amoxicillin/Clavula-nate Drug REACTIONS HYPERBILIRUBINEMIA
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Bioequiwalence of clavulanate Potassium and Amoxicillin(1:7) dispersible tablets in healthy volunteers
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作者 胡国新 代宗顺 +3 位作者 龙利红 韩颖 侯淑贤 吴立 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 2002年第3期224-227,共4页
To study the bioequivalence of Clavulanate Potassium and Amoxicillin (1:7) dispersible tablets, a randomized cross over study was conducted in 18 healthy volunteers. A single oral dose of 1000 mg Clav ulanate Pot... To study the bioequivalence of Clavulanate Potassium and Amoxicillin (1:7) dispersible tablets, a randomized cross over study was conducted in 18 healthy volunteers. A single oral dose of 1000 mg Clav ulanate Potassium and Amoxicillin (1:7) dispersible tablets (Tested formulation, T) or Augmentin syrup (Reference formulation, R). Concentrations in plasma were determined with high performance liquid chromatography. The main paramaters of T were: for Clavulanate Potassium and Amoxicillin, C max : 2.46±1.11 μg/m l and 18.81±7.26 μg/ml, T max : 1.12±0.23h and 1.30±0.34h, AUC (0 - 6 h) : 5.18±2.24 μg·h/ml and 45.09±14.53 μg·h/ml, t 1/2 : 1.43±0.44 h and 1.09±0.22 h., respectively. The relative bioavailability of T to R were 9 6.5±19.2 % and 98.4±26.1 % , respectively. Statistical analysis showed that th e two formulations were bioequivalent. 展开更多
关键词 clavulanate Potassium amoxicillin pharmacoki netics BIOAVAILABILITY
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Helicobacter pylori:High dose amoxicillin does not improve primary or secondary eradication rates in an Irish cohort
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作者 Conor Costigan Aoife M O'Sullivan +10 位作者 Jim O'Connell Shreyashee Sengupta Thomas Butler Stephen Molloy Fintan John O'Hara Barbara Ryan Niall Breslin Sarah O'Donnell Anthony O'Connor Sinead Smith Deirdre McNamara 《World Journal of Clinical Cases》 SCIE 2024年第16期2773-2779,共7页
BACKGROUND Helicobacter pylori(H.pylori)eradication rates have fallen globally,likely in large part due to increasing antibiotic resistance to traditional therapy.In areas of high clarithromycin and metronidazole resi... BACKGROUND Helicobacter pylori(H.pylori)eradication rates have fallen globally,likely in large part due to increasing antibiotic resistance to traditional therapy.In areas of high clarithromycin and metronidazole resistance such as ours,Maastricht VI guidelines suggest high dose amoxicillin dual therapy(HDADT)can be considered,subject to evidence for local efficacy.In this study we assess efficacy of HDADT therapy for H.pylori eradication in an Irish cohort.AIM To assess the efficacy of HDADT therapy for H.pylori eradication in an Irish cohort as both first line,and subsequent therapy for patients diagnosed with H.pylori.METHODS All patients testing positive for H.pylori in a tertiary centre were treated prospectively with HDADT(amoxicillin 1 g tid and esomeprazole 40 mg bid×14 d)over a period of 8 months.Eradication was confirmed with Urea Breath Test at least 4 wk after cessation of therapy.A delta-over-baseline>4%was considered positive.Patient demographics and treatment outcomes were recorded,analysed and controlled for basic demographics and prior H.pylori treatment.RESULTS One hundred and ninety-eight patients were identified with H.pylori infection,10 patients were excluded due to penicillin allergy and 38 patients refused follow up testing.In all 139 were included in the analysis,55%(n=76)were female,mean age was 46.6 years.Overall,93(67%)of patients were treatment-naïve and 46(33%)had received at least one previous course of treatment.The groups were statistically similar.Self-reported compliance with HDADT was 97%,mild side-effects occurred in 7%.There were no serious adverse drug reactions.Overall the eradication rate for our cohort was 56%(78/139).Eradication rates were worse for those with previous treatment[43%(20/46)vs 62%(58/93),P=0.0458,odds ratio=2.15].Age and Gender had no effect on eradication status.CONCLUSION Overall eradication rates with HDADT were disappointing.Despite being a simple and possibly better tolerated regime,these results do not support its routine use in a high dual resistance country.Further investigation of other regimens to achieve the>90%eradication target is needed. 展开更多
关键词 Helicobacter pylori eradication Helicobacter pylori High dose amoxicillin High dose amoxicillin dual therapy Triple therapy
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Development and Validation of Stability Indicating HPLC Method for Simultaneous Estimation of Amoxicillin and Clavulanic Acid in Injection 被引量:2
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作者 Durga Mallikarjuna Rao Tippa N. Singh 《American Journal of Analytical Chemistry》 2010年第3期95-101,共7页
A simple, fast, precise, accurate and rugged stability indicating high performance liquid chromatography (HPLC) method has been developed for simultaneous estimation of Amoxicillin and Clavulanic acid from injectable ... A simple, fast, precise, accurate and rugged stability indicating high performance liquid chromatography (HPLC) method has been developed for simultaneous estimation of Amoxicillin and Clavulanic acid from injectable dosage form. The stability indicating capability of the method was proven by subjecting the drugs to stress conditions as per ICH recommended test conditions such as alkaline and acid hydrolysis, oxidation, photolysis, thermal degradation and resolution of the degradation products formed therein. The separation was obtained using a mobile phase composition at a ratio of 95:5 (v/v) of pH 5.0 buffer and methanol on Inertsil C18 column (250 × 4.0 mm, 4 μm) with UV detection at 220 nm at a flow rate of 1 ml/minute. The photodiode array detector was used for stress studies. The order of elution of peaks was Clavulanic acid followed by Amoxicillin. The linear calibration range was found to be 79.51 to 315.32 μg/ml for Amoxicillin and 17.82 to 67.90 μg/ml for Clavulanic acid. The Amoxicillin and Clavulanic acid were found to be stable in solution up to 24 hours. The method validation data showed excellent results for precision, linearity, specificity, limit of detection, limit of quantification and robustness. The present method can be successfully used for routine quality control and stability studies. 展开更多
关键词 amoxicillin clavulanic ACID HPLC STABILITY Indicating
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Amoxicillin–clavulanic acid induced sperm abnormalities and histopathological changes in mice
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作者 Maha A. Fahmy Ayman A. Farghaly +5 位作者 Enayat A. Omara Zeinab M. Hassan Fawzia A.E. Aly Souria M. Donya Aziza A.E. Ibrahim Elsayed M. Bayoumy 《Asian Pacific Journal of Tropical Biomedicine》 SCIE CAS 2017年第9期809-816,共8页
Objective: To explore the genotoxic potential and histopathological changes induced in liver, kidney, testis, brain and heart after using the antibiotic drug amoxicillin/clavulanic acid(4:1).Methods: The study include... Objective: To explore the genotoxic potential and histopathological changes induced in liver, kidney, testis, brain and heart after using the antibiotic drug amoxicillin/clavulanic acid(4:1).Methods: The study included chromosomal aberration analysis in bone-marrow and mouse spermatocytes, induction of sperm morphological abnormalities and histopathological changes in different body organs. The drug was administrated orally at a dose of81 mg/kg body weight twice daily(Total = 162 mg/kg/day) for various periods of time equivalent to 625 mg/men(twice daily).Results: The results revealed non-significant chromosomal aberrations induced after treatment with amoxicillin/clavulanic acid(AC) in both bone marrow and mouse spermatocytes after 7 and 10 days treatment. On the other hand, statistically significant percentages of sperm morphological abnormalities were recorded. Such percentage reached 8.10 ± 0.55, 9.86 ± 0.63 and 12.12 ± 0.58 at the three time intervals tested(7, 14 and 35 days after the 1 st treatment respectively)(treatment performed for 5 successive days) compared with 2.78 ± 0.48 for the control. The results also revealed histopathological changes in different body organs after AC treatment which increased with the prolongation of the period of therapy. Congestion of central vain, liver hemorrhage and hydropic changes in hepatocytes were noticed in the liver. Degenerative changes were found in kidney glomerulus and tubules while testis showed atrophy of seminiferous tubules, and reduction of spermatogenesis. AC also induced neurotoxicity and altered brain neurotransmitter levels. Hemorrhage in the myocardium, disruption of cardiac muscle fibers and pyknotic nuclei in cardiomyocytes were recorded as side effects of AC in heart tissue.Conclusions: The results concluded that AC treatment induced sperm morphological abnormalities and histopathological changes in different body organs. Clinicians must be aware of such results while describing the drug. 展开更多
关键词 amoxicillin/clavulanic acid GENOTOXICITY Sperm abnormalities Histopathological changes
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The Quality and <i>in Vitro</i>Efficacy of Amoxicillin/Clavulanic Acid Formulations in the Central Region of Ghana
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作者 Henry Nettey Grace Lovia Allotey-Babington +6 位作者 Philip Debrah Ofosua Adi-Dako Manal Shaick Isaac Kintoh Francis Arnansi Makafui Nyagblordzro Marvin Holison 《Pharmacology & Pharmacy》 2014年第1期49-60,共12页
Aim: To assess the quality and in vitro efficacy of five brands of amoxicillin/clavulanic acid tablet, suspension and injectable preparations selected from pharmacies in the Central Region of Ghana. Method: Using a St... Aim: To assess the quality and in vitro efficacy of five brands of amoxicillin/clavulanic acid tablet, suspension and injectable preparations selected from pharmacies in the Central Region of Ghana. Method: Using a Stratified Representation Sampling method, forty preparations (tablets, suspensions and injectable powders) containing amoxicillin and clavulanic acid were sampled from nine different locations within the Central Region of Ghana. To determine drug quality, several procedures, namely, content assay, disintegration and dissolution testing were employed. In vitro drug efficacy was determined by comparing the Minimum Inhibitory Concentrations (MIC’s) obtained with published values. Results: All tablets passed the disintegration test, with disintegration time ranging between six (6) and fifteen (15) minutes. Analyses of all the tablets for drug content showed 100% failure (14 out of 14) for amoxicillin and 14% failure (2 out of 14) for clavulanic acid. Injectable formulations showed similar results. All four (4) samples analyzed for content failed the amoxicillin content assay (0 out of 4) but all passed clavulanic acid assay (4 out of 4). For tablet dissolution tests, there was a 93% (13 out of 14) pass rate for both amoxicillin and clavulanic acid. Content analysis of all suspension formulations involved twenty-two (22) samples from five (5) brands. Only 41% (9 out of 22) passed for both amoxicillin and clavulanic acid. All the other samples failed for either amoxicillin, clavulanic acid or both. Results obtained from drug quality tests were confirmed by in vitro efficacy tests against selected microorganisms. Conclusion: The samples were therefore not of good quality, since content assay is the most crucial test. It is hypothesized that this is due to poor storage conditions, and recommendations, such as air conditioning and more structured procedures along the supply chain, are put forward to counteract this. 展开更多
关键词 amoxicillin clavulanic Acid Minimum INHIBITORY Concentration DISSOLUTION
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Audit of the Physico-Chemical Quality of Amoxicillin Based Drugs Marketed in Senegal
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作者 Coulibaly Dalané Bernadette Sow Fatoumata Tata +7 位作者 Naco Mohamed El Béchir N’Diaye Mahamar Toure Hamadoun Abba Mariko Madani Dackouo Blaise Diouf Diéry Koumare Benoit Yaranga Sarr Serigne Omar 《American Journal of Analytical Chemistry》 2023年第9期351-361,共11页
Non-compliant antibiotics pose problems of therapeutic efficacy at the level of the individual, but also a serious public health problem. The objective of our study was to evaluate the quality of generic amoxicillin (... Non-compliant antibiotics pose problems of therapeutic efficacy at the level of the individual, but also a serious public health problem. The objective of our study was to evaluate the quality of generic amoxicillin (42 samples) by analytical methods in Dakar/Senegal. At 100% visual inspection of compliance;100% compliance uniformity test;at the dissolution test all > 80% (86.8% to 108.8%). The presence of amoxicillin with the following contents: Tablets (95.2% to 104.1%);Capsules (91.5% to 113.9%) and Suspensions drinkable (96.9% - 118.7%). All the samples in our study are 100% compliant according to the European and American pharmacopoeias (90% - 120%). Other studies should therefore be oriented in the direction of stability as well as the dosage of degradation products. 展开更多
关键词 Quality Control amoxicillin Analytical Methods
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阿莫西林胶囊在中国健康人体内的生物等效性研究 被引量:1
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作者 卢俊丽 刘婉莹 +7 位作者 李灿霞 黄丽凤 张婵娟 李艳波 雷雨燕 陈露露 欧阳冬生 颜羽 《广西医科大学学报》 CAS 2024年第1期98-103,共6页
目的:研究阿莫西林胶囊在中国健康人体内的生物等效性。方法:以单中心、开放式、随机、双制剂、两周期、两序列交叉试验设计,共48例受试者(空腹试验和餐后试验各24例),口服0.25 g阿莫西林胶囊受试制剂或参比制剂。高效液相色谱—串联质... 目的:研究阿莫西林胶囊在中国健康人体内的生物等效性。方法:以单中心、开放式、随机、双制剂、两周期、两序列交叉试验设计,共48例受试者(空腹试验和餐后试验各24例),口服0.25 g阿莫西林胶囊受试制剂或参比制剂。高效液相色谱—串联质谱(LC-MS/MS)分析方法测定给药后不同时间阿莫西林的血药浓度,并计算主要药代动力学参数,判定两制剂是否等效。结果:空腹试验显示,受试制剂和参比制剂阿莫西林的药物峰浓度(C_(max))分别为(5483.296±1321.102)ng/mL、(5611.291±1659.407)ng/mL,从时间0到t之间血药浓度—时间曲线下面积(AUC_(0-t))分别为(13255.3±1715.7)h·ng/mL、(13115.5±2091.7)h·ng/mL,从0时到无限时间(∞)的血药浓度—时间曲线下面积(AUC_(0-∞))分别为(13329.4±1718.8)h·ng/mL、(13192.7±2107.1)h·ng/mL,达峰时间(T_(max))均为1.38 h。餐后试验显示,受试制剂和参比制剂阿莫西林的C_(max)分别为(4218.072±780.598)ng/mL、(4156.713±877.752)ng/mL,AUC_(0-t)分别为(13073.9±1584.3)h·ng/mL、(12817.8±1575.5)h·ng/mL,AUC_(0-∞)分别为(13166.8±1606.0)h·ng/mL、(12914.8±1587.2)h·ng/mL,T_(max)均为3.00 h。两种试验制剂C_(max)、AUC_(0-t)、AUC_(0-∞)几何均值比值的90%置信区间(CI)均在可接受的生物等效性范围内(80%~125%)。结论:两种阿莫西林胶囊在中国健康志愿者体内吸收速度和吸收程度生物等效。 展开更多
关键词 阿莫西林 生物等效性 药代动力学 高效液相色谱—串联质谱
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Clinical Effect of Omeprazole Combined with Amoxicillin in the Treatment of Gastric Ulcer
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作者 Yifei Liu 《Proceedings of Anticancer Research》 2023年第5期1-6,共6页
Objective:To investigate the therapeutic effect of omeprazole+amoxicillin in patients with gastric ulcers.Methods:62 cases of patients with gastric ulcers who were treated from January 2022 to December 2022 were recru... Objective:To investigate the therapeutic effect of omeprazole+amoxicillin in patients with gastric ulcers.Methods:62 cases of patients with gastric ulcers who were treated from January 2022 to December 2022 were recruited and randomly divided into groups.Omeprazole+amoxicillin treatment was included in the study group,and amoxicillin treatment was included in the control group.The score of gastric ulcer symptoms,time of symptom resolution,gastrointestinal hormone index,and adverse reactions were compared.Results:The gastric ulcer symptom scores in the study group were lower than those in the control group(P<0.05);the gastric ulcer symptoms and Helicobacter pylori-negative time in the study group were shorter than those in the control group(P<0.05);the gastrointestinal hormone indexes in the study group were better than those in the control group(P<0.05);the adverse reaction rate of gastric ulcer in the study group was lower than that in the control group(P<0.05).Conclusion:Omeprazole+amoxicillin in the treatment of gastric ulcers can regulate gastrointestinal hormones,relieve gastric ulcer symptoms,and shorten the duration of ulcers,which is highly effective and feasible. 展开更多
关键词 Gastric ulcer amoxicillin OMEPRAZOLE Curative effect
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阿莫西林克拉维酸钾联合第三代头孢类抗菌药治疗新生儿肺炎的临床效果及其对肠道菌群的影响
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作者 蒋伟峰 刘雨露 王战胜 《广州医药》 2024年第2期176-180,共5页
目的分析阿莫西林克拉维酸钾与第三代头孢类抗菌药联合应用于新生儿肺炎患儿的应用效果及其对患儿肠道菌群的影响。方法选择在2021年2月—2022年11月期间于我院新生儿科接受相关治疗的100例新生儿肺炎患儿,依照简单随机化法将患儿分为... 目的分析阿莫西林克拉维酸钾与第三代头孢类抗菌药联合应用于新生儿肺炎患儿的应用效果及其对患儿肠道菌群的影响。方法选择在2021年2月—2022年11月期间于我院新生儿科接受相关治疗的100例新生儿肺炎患儿,依照简单随机化法将患儿分为研究组(n=50)及参照组(n=50)。给予参照组常规新生儿肺炎治疗,在此基础上给予研究组患者阿莫西林克拉维酸钾与第三代头孢类抗菌药的联合治疗。治疗结束后对比两组患儿的血清因子水平、肠道菌落情况、临床疗效以及不良反应发生情况。结果治疗前,两组患儿的血清因子水平、肠道内菌群数量比较差异无统计学意义(P>0.05),治疗后两组患儿的降钙素原(procalcitonin,PCT)、C-反应蛋白(C-reactive protein,CRP)、白细胞计数(white blood cell count,WBC)、肠球菌、肠杆菌、双歧杆菌以及乳酸杆菌水平均有改善(P<0.05),其中研究组的PCT、CRP、WBC、肠球菌、双歧杆菌以及乳酸杆菌数量低于参照组,而研究组的肠杆菌数量高于参照组;同时研究组的临床有效率(94.00%)与参照组的临床有效率(86.00%)比较差异无统计学意义(P>0.05);两组患儿的不良反应发生率比较差异无统计学意义(P>0.05),但其中研究组腹泻的发生率高于参照组(P<0.05)。结论在对新生儿肺炎患儿进行治疗时采取阿莫西林克拉维酸钾单纯治疗与阿莫西林克拉维酸钾+第三代头孢类抗菌药(头孢他啶)的临床疗效相当,联合用药虽能更为显著地减少患儿机体的细菌数量,改善血清因子水平,但更易发生腹泻的并发症,且为了减少耐药性,应适当采用单独用药。 展开更多
关键词 阿莫西林克拉维酸钾 第三代头孢类抗菌药 新生儿肺炎 肠道菌群
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高剂量二联疗法与经典四联疗法根除幽门螺杆菌的疗效对比
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作者 李明贤 朱振浩 《中国现代药物应用》 2024年第11期108-110,共3页
目的探讨比较根除幽门螺杆菌治疗中应用经典四联疗法和高剂量二联疗法的临床效果。方法选取76例幽门螺杆菌检验阳性患者,通过随机数字表法进行分组,即观察组及对照组,均为38例。对照组予以经典四联疗法(阿莫西林+枸橼酸铋钾+艾司奥美拉... 目的探讨比较根除幽门螺杆菌治疗中应用经典四联疗法和高剂量二联疗法的临床效果。方法选取76例幽门螺杆菌检验阳性患者,通过随机数字表法进行分组,即观察组及对照组,均为38例。对照组予以经典四联疗法(阿莫西林+枸橼酸铋钾+艾司奥美拉唑+克拉霉素),观察组予以高剂量二联疗法(阿莫西林+艾司奥美拉唑)。比较两组幽门螺杆菌根除率、不良反应发生率、血清炎症介质[血清肿瘤坏死因子-α(TNF-α)、白细胞介素-8(IL-8)和白细胞介素-6(IL-6)]水平。结果对照组幽门螺杆菌根除率为89.47%(34/38),观察组幽门螺杆菌根除率为94.74%(36/38),两组幽门螺杆菌根除率比较不存在显著差异(χ2=0.724,P=0.395>0.05)。与对照组的21.05%比较,观察组不良反应发生率5.26%显著较低,差异显著(P<0.05)。治疗前,两组IL-6、IL-8、TNF-α比较无显著差异(P>0.05);治疗后,两组患者IL-6、IL-8、TNF-α水平均较治疗前降低,且观察组IL-6(3.86±1.03)pg/ml、IL-8(0.06±0.05)pg/L、TNF-α(138.62±26.31)ng/ml均低于对照组的(4.69±1.05)pg/ml、(0.11±0.08)pg/L、(351.62±29.62)ng/ml(P<0.05)。结论根除幽门螺杆菌治疗中应用经典四联疗法和高剂量二联疗法的临床效果相当,但高剂量二联疗法可减少药物不良反应,保障患者健康安全,同时利于改善患者血清炎症因子水平,值得推广应用。 展开更多
关键词 阿莫西林 枸橼酸铋钾 艾司奥美拉唑 克拉霉素 幽门螺杆菌 安全性
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油茶果壳活性炭的制备及其对阿莫西林的吸附作用
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作者 李丽 赵红梅 《保山学院学报》 2024年第2期6-12,共7页
为探究红花油茶果壳资源的应用价值,采用磷酸活化法,在500℃、600℃、700℃热解条件下制备了3种油茶果壳活性炭(AC-500、AC-600、AC-600),使用SEM、FTIR和BET对活性炭的理化性质进行表征。并考察了油茶果壳活性炭对水中阿莫西林的吸附... 为探究红花油茶果壳资源的应用价值,采用磷酸活化法,在500℃、600℃、700℃热解条件下制备了3种油茶果壳活性炭(AC-500、AC-600、AC-600),使用SEM、FTIR和BET对活性炭的理化性质进行表征。并考察了油茶果壳活性炭对水中阿莫西林的吸附作用。结果表明:油茶果壳活性炭的比表面积及总孔体积增大均随着热解温度升高而增大,在活性炭投加量为0.05 g,阿莫西林初始浓度为50mg/L、吸附时间为90 min,溶液pH为4的条件下,对阿莫西林的吸附效果为AC-700(23.11 mg/g)>AC-600(21.95 mg/g)>AC-700(20.62 mg/g),油茶果壳活性炭对水中的阿莫西林的吸附过程符合准二级动力学方程和Langmuir吸附等温模型,为单分子层吸附。油茶果壳活性炭能有效吸附水中的阿莫西林。 展开更多
关键词 油茶果壳 活性炭 阿莫西林 吸附
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兰索拉唑、阿莫西林二联疗法治疗幽门螺杆菌相关性慢性胃炎的疗效分析
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作者 周静怡 《中国实用医药》 2024年第8期111-113,共3页
目的 探讨对幽门螺杆菌(Hp)相关性慢性胃炎患者给予兰索拉唑、阿莫西林二联疗法治疗后获得的临床疗效。方法 120例Hp相关性慢性胃炎患者,以投掷硬币法分为参照组和研究组,每组60例。参照组患者施以兰索拉唑治疗,研究组患者施以兰索拉唑... 目的 探讨对幽门螺杆菌(Hp)相关性慢性胃炎患者给予兰索拉唑、阿莫西林二联疗法治疗后获得的临床疗效。方法 120例Hp相关性慢性胃炎患者,以投掷硬币法分为参照组和研究组,每组60例。参照组患者施以兰索拉唑治疗,研究组患者施以兰索拉唑、阿莫西林二联疗法治疗。比较两组患者炎症因子水平[白细胞介素-8(IL-8)、白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)]、Hp清除率、复发率以及不良反应(口苦、胃肠道反应、皮肤反应以及头晕)发生率。结果 治疗后,研究组患者IL-8、IL-6、TNF-α水平分别为(7.63±1.32)ng/L、(16.39±3.22)ng/L、(1.21±0.42)μg/ml,显著低于参照组的(9.39±1.55)ng/L、(34.52±13.49)ng/L、(1.85±0.53)μg/ml(P<0.05)。研究组患者Hp清除率98.33%(59/60)高于参照组的81.67%(49/60),复发率1.67%(1/60)低于参照组的13.33%(8/60)(P<0.05)。研究组患者不良反应发生率5.00%与参照组的3.33%比较,未呈现出明显差异(P>0.05)。结论 临床对Hp相关性慢性胃炎患者在治疗期间应用兰索拉唑+阿莫西林二联疗法,可将患者的炎症因子水平显著改善,同时将Hp清除率提高,将复发率降低,并且不会导致口苦、胃肠道反应、皮肤反应以及头晕等不良反应增加,疗效显著。 展开更多
关键词 兰索拉唑 阿莫西林 二联疗法 幽门螺杆菌 相关性慢性胃炎 应用效果
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克拉霉素致急性短暂性抑郁症不良反应1例分析
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作者 杨雪婷 何波 +1 位作者 闫鸿丽 李冬梅 《中国药物警戒》 2024年第3期352-354,共3页
目的分析使用克拉霉素致急性短暂性抑郁的不良反应,为临床使用提出预警并及早处置提供参考。方法对1例29岁女性患者应用四联方案(阿莫西林、克拉霉素、泮托拉唑、枸橼酸铋钾)根治幽门螺杆菌感染引起急性短暂性抑郁症进行分析。结果考虑... 目的分析使用克拉霉素致急性短暂性抑郁的不良反应,为临床使用提出预警并及早处置提供参考。方法对1例29岁女性患者应用四联方案(阿莫西林、克拉霉素、泮托拉唑、枸橼酸铋钾)根治幽门螺杆菌感染引起急性短暂性抑郁症进行分析。结果考虑是四联抗幽门螺杆菌感染药物导致的急性短暂性抑郁症,循证学证据表明克拉霉素可能是最易引起急性短暂性抑郁的药物。结论在使用根治幽门螺杆菌感染药物时,医务人员需密切关注患者的情绪变化,若发生急性短暂性抑郁症及时停药,防止患者症状进一步加重。 展开更多
关键词 克拉霉素 阿莫西林 泮托拉唑 枸橼酸铋钾 幽门螺杆菌 抑郁症 药品不良反应
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阿莫西林-克拉维酸钾序贯治疗反复下呼吸道感染患儿的疗效
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作者 章玲玲 闫燕 《西北药学杂志》 CAS 2024年第3期163-167,共5页
目的观察阿莫西林-克拉维酸钾序贯治疗反复下呼吸道感染(recurrent lower respiratory tract infection,RLRTI)患儿的疗效及对潮气肺功能,血清白细胞介素-6(interleukin-6,IL-6)、白细胞介素-8(interleukin-8,IL-8)、白细胞介素-10(inte... 目的观察阿莫西林-克拉维酸钾序贯治疗反复下呼吸道感染(recurrent lower respiratory tract infection,RLRTI)患儿的疗效及对潮气肺功能,血清白细胞介素-6(interleukin-6,IL-6)、白细胞介素-8(interleukin-8,IL-8)、白细胞介素-10(interleukin-10,IL-10)水平的影响。方法纳入近92例RLRTI患儿作为研究对象,用随机数字表法分为观察组和对照组,各46例,应用阿莫西林-克拉维酸钾治疗。对照组静脉滴注7~10 d,观察组序贯治疗(静脉滴注3~5 d,口服混悬剂4~5 d)。比较2组临床疗效、主要症状(发热、咳嗽、喘息和肺啰音)消失时间、白细胞计数(white blood cell count,WBC)恢复时间、住院时间;治疗前后潮气肺功能指标(潮气量、呼吸频率、吸气时间、呼气时间、吸呼比、达峰时间比和达峰容积比)、血清炎症因子(IL-6、IL-8和IL-10)水平,及治疗期间不良反应。结果观察组的治疗总有效率高于对照组(P<0.05);观察组发热、咳嗽、喘息、肺啰音消失时间,WBC恢复时间及住院时间均短于对照组(P<0.05);2组呼吸频率均较治疗前下降(P<0.05),吸气时间、呼气时间、达峰时间比、达峰容积比均较治疗前升高(P<0.05),且观察组达峰时间比、达峰容积比均高于对照组(P<0.05);2组血清IL-6、IL-8水平均较治疗前降低(P<0.05),且观察组低于对照组(P<0.05);IL-10水平均较治疗前升高(P<0.05),且观察组高于对照组(P<0.05);2组治疗期间不良反应发生率比较差异无统计学意义(P>0.05)。结论阿莫西林-克拉维酸钾序贯治疗小儿RLRTI可促进症状恢复,改善潮气肺功能,提高疗效,机制可能与其调节IL-6、IL-8、IL-10等炎症细胞因子的表达水平有关。 展开更多
关键词 阿莫西林-克拉维酸钾 序贯治疗 反复下呼吸道感染 潮气肺功能 炎症因子
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幽门螺杆菌阿莫西林稳定耐药克隆的筛选及其基因突变的检测
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作者 陆秋丹 糜孟衡 +3 位作者 崔古贞 张峥嵘 吴晓娟 陈峥宏 《安徽医科大学学报》 CAS 北大核心 2024年第1期39-44,共6页
目的探讨阿莫西林(AMX)不稳定耐药的幽门螺杆菌(Hp)演化成AMX稳定高水平耐药的表型及其突变基因的检测。方法以冻存后的Hp菌株H390作为出发菌株,在不断增加AMX浓度的培养基上连续传代,筛选对AMX耐药的克隆,检测耐药克隆的最小抑菌浓度(M... 目的探讨阿莫西林(AMX)不稳定耐药的幽门螺杆菌(Hp)演化成AMX稳定高水平耐药的表型及其突变基因的检测。方法以冻存后的Hp菌株H390作为出发菌株,在不断增加AMX浓度的培养基上连续传代,筛选对AMX耐药的克隆,检测耐药克隆的最小抑菌浓度(MIC),置于-80℃冻存3个月后再复苏,根据冻存后MIC下降情况判断其耐药性是否稳定。对获得的AMX最高MIC值的克隆H390r和出发菌株H390进行基因组测序分析和外排泵抑制试验,检测并鉴定与H390r获得的AMX高水平耐药性相关的基因突变。结果通过AMX筛选获得4个AMX高水平耐药克隆,MIC分别为12、32、64和≥256 mg/L,经-80℃冻存后,MIC均未发生改变。相比于亲本菌株H390,AMX稳定耐药克隆H390r存在多个基因的突变,包括与AMX耐药性相关的编码RND外排系统的hefC、编码孔蛋白的hopB与hopC和编码青霉素结合蛋白的ftsI。H390r在有外排泵抑制剂存在时对AMX的MIC大幅降低。结论AMX能够在不稳定耐药的Hp中筛选出稳定耐药的克隆;H390r存在与AMX耐药相关的hefC、hopB、hopC和ftsI基因突变。这些突变可能是H390r获得AMX稳定高水平耐药的主要原因。 展开更多
关键词 幽门螺杆菌 阿莫西林 不稳定耐药 稳定耐药
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奥美拉唑联合阿莫西林治疗慢性浅表性胃炎的临床效果 被引量:1
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作者 林华 《中国医药指南》 2024年第5期19-21,共3页
目的观察奥美拉唑联合阿莫西林治疗慢性浅表性胃炎的效果。方法选取经胃镜诊断均为慢性浅表性胃炎的患者,均在福清市中医院于2021年8月至2023年1月期间收治,总计100例,采用随机数字表方法分组,对照组(50例,奥美拉唑治疗)和观察组(50例,... 目的观察奥美拉唑联合阿莫西林治疗慢性浅表性胃炎的效果。方法选取经胃镜诊断均为慢性浅表性胃炎的患者,均在福清市中医院于2021年8月至2023年1月期间收治,总计100例,采用随机数字表方法分组,对照组(50例,奥美拉唑治疗)和观察组(50例,奥美拉唑+阿莫西林治疗)。结果观察组慢性浅表性胃炎患者临床治疗总有效率高于对照组(P<0.05);观察组慢性浅表性胃炎患者纳差消失时间、恶心呕吐消失时间、腹胀消失时间均短于对照组(均P<0.05);治疗后,观察组慢性浅表性胃炎患者肿瘤坏死因子α、白细胞介素6、核转录因子水平、临床病理积分、疼痛评分均低于对照组(均P<0.05);治疗后,观察组慢性浅表性胃炎患者胃泌素水平低于对照组,胃动素水平高于对照组(均P<0.05);观察组慢性浅表性胃炎患者恶心、呕吐、头晕总不良反应发生率与对照组相近,对比结果差异不显著(P>0.05)。结论奥美拉唑联合阿莫西林治疗慢性浅表性胃炎的效果显著优于奥美拉唑。 展开更多
关键词 慢性浅表性胃炎 奥美拉唑 阿莫西林
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注射用阿莫西林钠/克拉维酸钾中两组分成盐率的分析
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作者 王松 于明艳 +2 位作者 赵海云 于升平 陈德俊 《中国抗生素杂志》 CAS CSCD 北大核心 2024年第4期394-398,共5页
目的建立离子色谱法同时测定注射用阿莫西林钠/克拉维酸钾中钠离子与钾离子的含量,通过计算其成盐率,对不同企业样品的成盐工艺进行评价。方法采用IonPacCS12A阳离子交换色谱柱(4mm×250mm)和IonPac CG12A保护柱(4mm×50m m),... 目的建立离子色谱法同时测定注射用阿莫西林钠/克拉维酸钾中钠离子与钾离子的含量,通过计算其成盐率,对不同企业样品的成盐工艺进行评价。方法采用IonPacCS12A阳离子交换色谱柱(4mm×250mm)和IonPac CG12A保护柱(4mm×50m m),检测器为电导检测器,抑制器电流为20mA,以6.7mmol/L甲烷磺酸溶液为淋洗液,流速为1.0 mL/min。结果钠离子浓度在6.01~18.04μg/mL范围内与峰面积呈良好的线性关系(r=0.9999,n=5);平均回收率为100.4%(RSD=0.4%,n=9);钾离子浓度在3.33~9.98μg/mL范围内与峰面积呈良好的线性关系(r=0.9998,n=5);平均回收率为100.2%(RSD=0.5%,n=9)。测定了37批注射用阿莫西林钠/克拉维酸钾中钠和钾的含量,其成盐率分别为1.00~1.13和0.94~1.05。结论本方法可用于注射用阿莫西林钠/克拉维酸钾中钠离子与钾离子的含量测定,各企业样品成盐情况较好,但需关注成盐剂的残留。 展开更多
关键词 注射用阿莫西林钠/克拉维酸钾 成盐率 离子色谱法 钠离子 钾离子
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阿莫西林克拉维酸钾及替硝唑综合疗法对胃炎患儿的疗效及对hs-CRP、TNF-α、IL-10水平的影响
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作者 胡淑娟 《河北医药》 CAS 2024年第1期72-74,79,共4页
目的 研究阿莫西林克拉维酸钾及替硝唑综合疗法对胃炎患儿的疗效及对超敏C-反应蛋白(hs-CRP)、肿瘤坏死因子-α(TNF-α)、白介素-10(IL-10)水平的影响。方法 选择2019年7月至2021年7月收治的84例胃炎患儿,随机双盲对照法将其分为二药联... 目的 研究阿莫西林克拉维酸钾及替硝唑综合疗法对胃炎患儿的疗效及对超敏C-反应蛋白(hs-CRP)、肿瘤坏死因子-α(TNF-α)、白介素-10(IL-10)水平的影响。方法 选择2019年7月至2021年7月收治的84例胃炎患儿,随机双盲对照法将其分为二药联合组及单药治疗组,每组42例。单药治疗组予以阿莫西林克拉维酸钾治疗,二药联合组则于单药治疗组的基础上增用替硝唑治疗。比较2组临床疗效,血清炎症指标及免疫功能指标水平,不良反应发生情况。结果 二药联合组治疗总有效率高于单药治疗组(P<0.05)。治疗前2组hs-CRP、TNF-α以及IL-10水平差异无统计学意义(P>0.05);治疗后,二药联合组血清hs-CRP、TNF-α水平均低于单药治疗组,而血清IL-10水平,高于单药治疗组(P<0.05)。治疗前,2组CD3^(+)、CD4^(+)以及CD8^(+)水平差异无统计学意义(P>0.05);治疗后,二药联合组CD3^(+)、CD4^(+)以及CD8^(+)水平均高于单药治疗组(均P<0.05)。二药联合组不良反应总发生率低于单药治疗组(P<0.05)。结论 阿莫西林克拉维酸钾及替硝唑综合疗法可提高胃炎患儿疗效,尤其是在减轻炎性反应及提高免疫功能方面优势明显,且有效降低不良反应发生风险。 展开更多
关键词 小儿胃炎 阿莫西林克拉维酸钾 替硝唑 炎性反应 免疫功能
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