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Eco-friendly micellar HPLC approach for simultaneous estimation of combination therapy for hidradenitis suppurativa: Applications to spiked human plasma and different dosage forms
Archiv der Pharmazie ( IF 4.3 ) Pub Date : 2023-11-08 , DOI: 10.1002/ardp.202300509
Asmaa M Taha 1 , Wafaa S Hassan 1 , Manal S Elmasry 1 , Rania A Sayed 1
Affiliation  

This study introduces a new method for analyzing rifampicin, moxifloxacin, and metronidazole using a green micellar High Performance Liquid Chromatography-Ultraviolet method in bulk drugs, different commercial formulations, and spiked human plasma. The combined therapy of these three broad-spectrum antibiotics is used to cure refractory hidradenitis suppurativa (HS), an inflammatory condition affecting the skin. The sustainable separation was attained on a reversed-phase C18 Kinetex® column maintained at ambient temperature in less than 5 min. The mobile phase comprises 0.1 M sodium dodecyl sulfate (SDS) in water, pH 3.5, adjusted using o-phosphoric acid, and 10% n-butanol. The flow rate was 1 mL/min, with 10 μL injection volume and UV detection at 230 nm. The impact of three key significant variables, SDS concentration, n-butanol percentage, and the mobile phase pH, on suitability parameters was studied. ICH and FDA guidelines were committed to when validating the technique. The results showed linear calibration graphs with high precision and accuracy, in both pure and spiked plasma. The method is efficient, easy to use, and has a high sample throughput, making it suitable for routine analysis in the quality control department and therapeutic monitoring. It is also evaluated as a green-and-white substitute for traditional reported methods.

中文翻译:


用于同时评估化脓性汗腺炎联合治疗的环保胶束 HPLC 方法:在加标人血浆和不同剂型中的应用



本研究介绍了一种使用绿色胶束高效液相色谱-紫外法分析原料药、不同商业制剂和加标人血浆中利福平、莫西沙星和甲硝唑的新方法。这三种广谱抗生素的联合疗法用于治疗难治性化脓性汗腺炎 (HS),这是一种影响皮肤的炎症性疾病。在保持在环境温度下的反相 C18 Kinetex® 色谱柱上,在不到 5 分钟的时间内实现了可持续的分离。流动相包含 0.1 M 十二烷基硫酸钠 (SDS) 水溶液,pH 3.5,使用磷酸和 10%丁醇调节。流速为 1 mL/min,进样量 10 μL,UV 检测波长为 230 nm。研究了三个关键变量(SDS 浓度、丁醇百分比和流动相 pH)对适用性参数的影响。验证该技术时致力于遵守 ICH 和 FDA 指南。结果显示,在纯血浆和加标血浆中都具有高精度和准确度的线性校准图。该方法高效、易于使用、样品通量高,适合质量控制部门的常规分析和治疗监测。它还被评估为传统报道方法的绿白替代品。
更新日期:2023-11-08
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