共查询到19条相似文献,搜索用时 93 毫秒
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目的制备消旋卡多曲干混悬剂并探讨其质量控制方法。方法采用高效液相色谱(HPLC)法,测定消旋卡多曲干混悬剂的含量和有关物质,考察其初步稳定性。结果消旋卡多曲质量浓度在50-800μg/mL范围内与峰面积线性关系良好(r=0.9999),日内、日间精密度RSD分别为0.10%和0.21%,回收率为99.92%(RSD=0.29%);消旋卡多曲干混悬剂在6个月时的各项检测指标与配制时即刻(0天)比较没有明显变化。结论用HPLC法控制消旋卡多曲干混悬剂的含量和有关物质可行。 相似文献
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目的探讨消旋卡多曲对sbJL轮状病毒性肠炎的临床作用及安全性。方法选择2011年3月至2013年3月虞城县人民医院收治的轮状病毒性肠炎患儿150例,根据用药的不同分为实验组80例和对照组70例。对照组患儿使用蒙脱石散剂治疗,实验组患儿在使用蒙脱石的基础上加用消旋卡多曲来治疗。结果两组患儿经治疗后,实验组总有效率为97.5%,对照组为87.14%。两组结果比较差异有统计学意义(P〈0.05)。结论运用消旋卡多曲治疗轮状病毒性肠炎,其临床效果显著优于单独使用蒙脱石散,且治疗不良反应小。 相似文献
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目的:观察消旋卡多曲治疗小儿秋季腹泻的临床疗效及安全性。方法:将112例秋季腹泻患儿随机分成治疗组56例和对照组56例,在常规治疗的基础上,治疗组加用消旋卡多曲颗粒口服。结果:经72h治疗后,治疗组总有效率91.07%,对照组总有效率71.43%,两组比较,差异有统计学意义(P<0.01)。结论:消旋卡多曲颗粒治疗小儿秋季腹泻在改善症状、缩短病程方面有显著疗效,值得临床推广使用。 相似文献
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白瑞霞 《中国医药工业杂志》2013,44(3)
建立了一种用纤维素手性固定相拆分消旋卡多曲光学异构体的高效液相色谱方法.采用纤维素-三(3,5-二甲基苯胺基甲酸酯)手性固定相(Chiralpak IB),考察醇类添加剂种类及比例、柱温和流速对拆分的影响.流动相为正己烷-异丙醇(60:40),流速0.6 ml/min,柱温25℃,检测波长210 nm,卡多曲两个异构体在Chiralpak IB手性柱上能够达到基线分离,在0.01~0.5 mg/ml线性关系良好,平均回收率为99.7%和99.6%,RSD为0.79%和0.91%. 相似文献
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目的观察消旋卡多曲治疗婴幼儿腹泻的疗效。方法75例秋冬季腹泻病住院病例随机分为治疗组和对照组。对照组予抗病毒、思密达益生菌剂(贝飞达)及液体疗法;在此基础上加用消旋卡多曲颗粒作为治疗组。结果治疗组临床疗效优于对照组(P〈0.01)。结论消旋卡多曲治疗婴幼儿水样腹泻有效且安全,值得临床推广。 相似文献
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目的观察消旋卡多曲颗粒治疗婴幼儿轮状病毒性肠炎的,临床疗效和安全性。方法按年龄组服用不同剂量的消旋卡多曲颗粒,连服7d,观察治疗后排便次数、性状和临床症状的变化。结果治疗组的止泻时间、总病程较对照组短(P〈0.01),且总有效率(90.91%)明显高于对照组(P〈0.01):结论消旋卡多曲颗粒治疗婴幼儿轮状病毒性肠炎能较快减少腹泻次数、改善大便性状、有效缩短腹泻病程,安全性高。 相似文献
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目的观察消旋卡多曲治疗小儿急性腹泻的疗效及安全性。方法筛选154例急性腹泻的小儿,随机分3组,1组给予消旋卡多曲治疗;2组给予思密达加思达康治疗;3组给予消旋卡多曲治疗加思密达加思达康治疗。结果用药前后大便次数及大便性状的评分3组间无显著性差异(P>0.05)。结论消旋卡多曲是一有效、安全的治疗小儿急性腹泻的药物。 相似文献
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Racecadotril is an oral enkephalinase inhibitor used in the treatment of acute diarrhoea. It prevents the degradation of endogenous opioids (enkephalins), thereby reducing hypersecretion of water and electrolytes into the intestinal lumen. In a randomised double-blind study in 6 adult volunteers with castor oil-induced diarrhoea, racecadotril significantly reduced stool weight and stool number in comparison with placebo. Similar results have been obtained in treating castor oil-induced diarrhoea in rats. Racecadotril was significantly more effective than placebo in randomised double-blind studies in adults or children with diarrhoea (of infectious origin or in adults with HIV infection). In well controlled trials, racecadotril had efficacy similar to that of loperamide and was generally as effective as loperamide-oxide. Racecadotril had a similar tolerability profile to placebo, and was better tolerated than loperamide, in adults and children with diarrhoea. It caused significantly less constipation after resolution of diarrhoea than loperamide. 相似文献
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为控制消旋卡多曲产品质量,制备了可能的6种有关物质:[(3-巯基-2-苄基丙酰基)氨基]乙酸(B)、[(3-乙酰巯基-2-苄基丙酰基)氨基]乙酸(C)、5,10-二苄基-4,11-二氧代-7,8-二硫基-3,12-二氮杂十四烷二酸(D)、2-[(2-苄基丙烯酰基)氨基]乙酸苄酯(F)、2-[(3-巯基-2-苄基丙酰基)氨基]乙酸苄酯(G)和5,10-二苄基-4,11-二氧代-7,8-二硫基-3,12-二氮杂十四烷二酸二苄酯(H),并经MS、1H NMR确证结构. 相似文献
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目的:建立国内研制的消旋卡多曲胶囊的溶出度测定方法。方法:通过筛选不同溶出介质、转速、溶出时间等确定溶出度方法;采用高效液相色谱法检测含量并计算累积溶出量,同时与国外同类样品进行溶出行为的比较。结果:确定的溶出度方法是以异丙醇-水(55∶45)为溶出介质,转速为75r·min-1,取样时间为45min,选用桨法进行考察;消旋卡多曲检测浓度线性范围为5.5~176μg·mL-1(r=0.99998),平均回收率99.7%(RSD=0.46%,n=9);与国外样品比较,3批国内样品在前20min时释药较慢,在30min后的溶出二者基本一致。结论:所建立的溶出度测定方法可作为该制剂体外释药的一种检测手段。 相似文献
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M.P. Primi L. Bueno P. Baumer H. Berard & J.M. Lecomte 《Alimentary pharmacology & therapeutics》1999,13(S6):3-7
Background Racecadotril (acetorphan), a potent enkephalinase inhibitor, protects endogenous enkephalins from degradation. Racecadotril exhibits experimental and clinical antidiarrhoeal activity without any effect on intestinal motility, suggesting selective antisecretory activity. The antisecretory effect of racecadotril was directly assessed in the present study.
Methods A 1 m, jejunal, Thiry–Vella loop was created in six mongrel dogs, and water and ionic fluxes were evaluated during infusion (2 mL/min) of Tyrode solution labelled with14 C-polyethylene glycol. Fluxes were determined both in the basal state and 5–6 h after commencement of a 2-h infusion of cholera toxin (0.4 μg/mL). Racecadotril (10 mg/kg) or vehicle was given orally with and without prior intravenous administration of naloxone (0.1 mg/kg) or phentolamine (0.2 mg/kg).
Results Basal absorption remained unchanged following racecadotril administration; however, racecadotril significantly decreased ( P = 0.01) cholera toxin-induced water, sodium, and potassium hypersecretion, from 0.73 ± 0.15 to 0.37 ± 0.13 mL/min; from 125.0 ± 16.1 to 14.7 ± 9.5 μMol/min; and from 3.41 ± 0.66 to 1.66 ± 0.61 μMol/min, respectively. This antisecretory activity of racecadotril was suppressed by naloxone but not by phentolamine.
Conclusions This study directly demonstrates the antisecretory activity of racecadotril in relation to the protection of endogenous enkephalins. 相似文献
Methods A 1 m, jejunal, Thiry–Vella loop was created in six mongrel dogs, and water and ionic fluxes were evaluated during infusion (2 mL/min) of Tyrode solution labelled with
Results Basal absorption remained unchanged following racecadotril administration; however, racecadotril significantly decreased ( P = 0.01) cholera toxin-induced water, sodium, and potassium hypersecretion, from 0.73 ± 0.15 to 0.37 ± 0.13 mL/min; from 125.0 ± 16.1 to 14.7 ± 9.5 μMol/min; and from 3.41 ± 0.66 to 1.66 ± 0.61 μMol/min, respectively. This antisecretory activity of racecadotril was suppressed by naloxone but not by phentolamine.
Conclusions This study directly demonstrates the antisecretory activity of racecadotril in relation to the protection of endogenous enkephalins. 相似文献
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消旋卡多曲治疗婴幼儿急性水样泻125例疗效观察 总被引:4,自引:0,他引:4
目的:观察消旋卡多曲颗粒治疗婴幼儿急性水样泻的疗效及安全性。方法:对我院2007年10月至2008年5月收治的125例急性水样泻患儿,随机分成观察组和对照组,对照组予蒙脱石散、妈咪爱、补液等综合治疗,观察组在此基础上加用消旋卡多曲颗粒1.5mg/(kg·d)治疗,3次/d,治疗3d后开始观察疗效。结果:观察组总有效率94.1%(64/68),显著高于对照组77.2%(44/57),差异有统计学意义(χ^2=7.56,P〈0.01);观察组平均住院时间(3.45±0.68)d,对照组平均住院(4.68±0.98)d,两组比较差异有统计学意义(t=8.25,P〈0.01)。结论:消旋卡多曲治疗婴幼儿急性水样腹泻,可明显缩短病程,疗效显著,且未发现与药物有关的不良反应,安全性好。 相似文献