美国默克公司的雷特格韦片是第一个HIV整合酶链转移抑制剂(Integrase Strand Transfer Inhibitors, ISTI),也被称为MK-0518。它可以与多种抗逆转录病毒药物联合用药,用于治疗人类免疫缺陷病毒(HIV)-1感染。通过抑制病毒复制所需的HIV整合酶,雷特格韦能够减缓HIV-1感染的发生。
药理作用当雷特格韦与其他抗HIV药物联合使用时,可以减少血液中的HIV数量,并增加称为CD4+T细胞的白细胞数量,从而有助于对抗其他感染。与利托那韦、依法韦仑、替拉那韦、泰诺福韦等药物相互作用的研究表明,雷特格韦对这些抗病毒药物无交叉耐药性,并且可以与其他多种药物产生协同作用。
不良反应最常见的不良反应包括腹泻、恶心和头痛。此外,血液检查发现一些服用该药物的患者肌酶异常升高。
生物活性Raltegravir (MK-0518) 是一种有效的整合酶抑制剂,在无细胞试验中对野生型(WT) 和 S217Q PFV IN 的 IC50 分别为 90 nM 和 40 nM。它对HIV-1 IN 的选择性远高于其他相关 Mg2+依赖性酶,如 HCV 聚合酶、HIV 反转录酶和 HIV RNaseH。
靶点PFV整合携带 S217H 替换的IN后,对Raltegravir 的敏感性降低10倍,IC50为900 nM。PFV IN 具有10% WT 活性且被 Raltegravir 抑制,IC50 为200 nM,说明与 WT IN 相比,对整合酶(IN)链转移抑制剂(INSTI) 的敏感性降低约2倍。S217Q PFV IN 对Raltegravir的敏感性至少与WT酶相似。
Raltegravir 由葡萄糖醛酸化生成,并非通过肝脏代谢。在体外作用于人类T淋巴细胞培养物时,Raltegravir有效抑制HIV-1达95%,浓度为31±20 nM。该药物对CEMx174 细胞也有效作用,IC95 为6 nM。Raltegravir的主要代谢途径是葡萄糖醛酸化。强诱导剂UGT1A1显著降低其浓度。Raltegravir微弱抑制肝细胞色素P450,并不会诱导CYP3A4 RNA 表达或CYP3A4依赖的睾丸激素6-β-羟化酶活性。
在镁和钙存在的情况下,Raltegravir 的细胞扩散性降低。该药物及其相关的HIV-1整合酶(IN) 链转移抑制剂(INSTIs)高效阻断病毒复制。RALTEGRAVIR 作用于急性感染人类淋巴 CD4+ 淋巴细胞。
体内研究在携带 SIVmac251 的非人类灵长类动物中,Raltegravir 提高了病毒-免疫状态。单独给予该药物后,在非人类灵长类动物中未检测到病毒载量。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | Propanoic acid, 2,2-dimethyl-, 4-[[[(4-fluorophenyl)methyl]amino]carbonyl]-1,6-dihydro-1-methyl-2-[1-methyl-1-[[(5-methyl-1,3,4-oxadiazol-2-yl)carbonyl]amino]ethyl]-6-oxo-5-pyrimidinyl ester | 1172131-66-6 | C25H29FN6O6 | 528.54 |
—— | N-(4-fluorobenzyl)-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-1,6-dihydro-5-hydroxy-6-oxopyrimidine-4-carboxamide | 1446223-96-6 | C19H19FN6O5 | 430.395 |
[1-[4-[[(4-氟苄基)氨基]羰基]-5-羟基-1-甲基-6-氧代-1,6-二氢嘧啶-2-基]-1-甲基乙基]氨基甲酸苄酯 | benzyl (2-(4-((4-fluorobenzyl)carbamoyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)propan-2-yl)carbamate | 518048-02-7 | C24H25FN4O5 | 468.485 |
2-(1-氨基-1-甲基乙基)-N-[(4-氟苯基)甲基]-5-羟基-1-甲基-6-氧代-1,6-二氢嘧啶-4-甲酰胺 | 2-(2-aminopropan-2-yl)-N-(4-fluorobenzyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxamide | 518048-03-8 | C16H19FN4O3 | 334.35 |
—— | Propanoic acid, 2,2-dimethyl-, 4-[[[(4-fluorophenyl)methyl]amino]carbonyl]-1,6-dihydro-1-methyl-2-[1-methyl-1-[[(phenylmethoxy)carbonyl]amino]ethyl]-6-oxo-5-pyrimidinyl ester | 1172131-65-5 | C29H33FN4O6 | 552.603 |
雷特格韦-RT9 | 2,2-dimethyl-propionic acid 2-(1-amino-1-methyl-ethyl)-4-(4-fluorobenzylcarbamoyl)-1-methyl-6-oxo-1,6-dihydropyrimidin-5-yl ester | 1172131-64-4 | C21H27FN4O4 | 418.468 |
—— | methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-1,6-dihydro-5-hydroxy-6-oxopyrimidine-4-carboxylate | 1391918-15-2 | C13H15N5O6 | 337.292 |
1,6-二氢-5-羟基-1-甲基-2-[1-甲基-1-[(苄氧基羰基)氨基]乙基]-6-氧代-4-嘧啶甲酸甲酯 | methyl 2-(2-(((benzyloxy)carbonyl)amino)propan-2-yl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxylate | 888504-27-6 | C18H21N3O6 | 375.381 |
—— | methyl 5-(benzoyloxy)-2-(1-{[(benzyloxy)carbonyl]amino}-1-methylethyl)-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxylate | 518048-01-6 | C25H25N3O7 | 479.489 |
—— | methyl 5-(benzoyloxy)-2-(2-(benzyloxycarbonylamino)propan-2-yl)-6-oxo-1,6-dihydropyrimidine-4-carboxylate | 518048-00-5 | C24H23N3O7 | 465.463 |
—— | methyl 2-(2(((benzyloxy)carbonyl)amino)propan-2-yl)-5,6-dihydroxy-1,6-dihydropyrimidine-4-carboxylate | 519032-08-7 | C17H19N3O6 | 361.354 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4-(4-fluorobenzylcarbamoyl)-1-methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-yl acetate | 1370588-51-4 | C22H23FN6O6 | 486.46 |
—— | ((4-((4-fluorobenzyl)carbamoyl)-1-methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-yl)oxy)methyl pivalate | 1538604-11-3 | C26H31FN6O7 | 558.567 |
—— | 4-(4-fluorobenzylcarbamoyl)-1-methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-yl methanesulfonate | 1370588-52-5 | C21H23FN6O7S | 522.514 |
—— | 4-((4-fluorobenzyl)carbamoyl)-1-methyl-2-(2-((5-methyl-1,3,4-oxadiazol-2-yl)carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-yl benzoate | 1172131-68-8 | C27H25FN6O6 | 548.531 |
—— | ethyl (1-((4-((4-fluorobenzyl)carbamoyl)-1-methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-yl)oxy)ethyl) carbonate | 1538603-90-5 | C25H29FN6O8 | 560.539 |
—— | 4-(4-fluorobenzylcarbamoyl)-1-methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-yl 2,4,6-trimethylbenzenesulfonate | 1370588-53-6 | C29H31FN6O7S | 626.666 |
—— | methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-1,6-dihydro-5-hydroxy-6-oxopyrimidine-4-carboxylate | 1391918-15-2 | C13H15N5O6 | 337.292 |