Identification and characterization of stress degradation products of sumatriptan succinate by using LC/Q-TOF-ESI-MS/MS and NMR: Toxicity evaluation of degradation products
作者:Suresh Udutha、Gajji Shankar、Roshan M. Borkar、Katragunta Kumar、G. Srinivasulu、Lalitha Guntuku、V. G. M. Naidu、Ragampeta Srinivas
DOI:10.1002/jms.4266
日期:2018.10
toxicity of the drug and its degradation products was determined using ProTox-II prediction tool. This study revealed that DP-4 and DP-8 are predicted for immune toxicity. Amine oxidase A and prostaglandinG/Hsynthase1 are predicted as toxicity targets for DP-3, DP-4, and DP-6 whereas DP-1 and DP-2 are predicted for amine oxidase A target.
根据国际协调会议指定条件,对选择性5-HT1B受体激动剂舒马曲坦琥珀酸盐进行了强制降解研究。该药物仅在碱性,光解和氧化应激条件下表现出降解,而在酸性,热和中性条件下却稳定。通过UPLC-ESI / MS / MS实验与精确的质量测量相结合,鉴定并鉴定了八种(DP-1至DP-8)降解产物。在Hibar Purospher STAR,C18(250×4.6 mm,5μm)色谱柱上,使用由0.1%甲酸和甲醇组成的流动相,以0.6 mL / min的流速通过梯度洗脱法实现了有效的色谱分离。值得注意的是,使用制备型HPLC分离了2种主要降解产物DP-3和DP-7,并通过高级NMR实验对其进行了表征。建立了舒马曲坦的降解途径,并通过机理解释充分证明了这一点。在正常人细胞如HEK 293(胚胎肾细胞)和RWPE-1(正常前列腺上皮细胞)上测试了分离的DP的体外细胞毒性。这项研究表明,它们在浓度高达100
PHARMACEUTICAL COMPOSITIONS COMPRISING A TRIPTAN AND A NONSTEROIDAL ANTI-INFLAMMATORY DRUG
申请人:Sreedharala Venkata Nookaraju
公开号:US20090252791A1
公开(公告)日:2009-10-08
Dosage forms for administering a triptan and a nonsteroidal anti-inflammatory drug are disclosed, including multilayered tablets and mini-tablets. These multilayered tablets can be in a side-by-side arrangement, can be inlayed, or one layer can completely surround another. These can be administered in a capsule or directly. Other formulations are also disclosed.
Ray, Puma Chandra; Mittapelli, Vasantha; Chauhan, Yogendra Kumar, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2009, vol. 48, # 1, p. 134 - 136
作者:Ray, Puma Chandra、Mittapelli, Vasantha、Chauhan, Yogendra Kumar、Konudula, Babu Rao、Tyagi, Om Dutt