首页> 外国专利> Microparticles PLA and PLG with adsorbed viral antigen to stimulate immune responses particularly for intracellular viruses such as HSV-1 or HSV-2, varicella zoster virus. epstein-barr virus or cytomegalovirus (CMV)

Microparticles PLA and PLG with adsorbed viral antigen to stimulate immune responses particularly for intracellular viruses such as HSV-1 or HSV-2, varicella zoster virus. epstein-barr virus or cytomegalovirus (CMV)

机译:具有吸附病毒抗原的微粒PLA和PLG可以刺激免疫应答,尤其是针对细胞内病毒(例如HSV-1或HSV-2,水痘带状疱疹病毒)的免疫反应。 EB病毒或巨细胞病毒(CMV)

摘要

A composition comprising (i) a selected vial antigen absorbed to a poly(-a-hydroxy acid) microparticle and (ii) a pharmaceutically acceptable excipients, with the provisos that (a) the composition does not comprise an antibody specific for the viral antigen and (b) the microparticles are not lamellar particles which are at least in part crystalline. The microparticle is formed from a poly(a-hydroxy acid) selected from the group consisting of poly(L-lactide), poly(D,L-lactide) and poly(D,L-lactide-co-glycolide). The viral antigen is gp120, p24gag, influenza A haemagglutinin, or herpes simplex virus gD2.
机译:组合物,其包含(i)吸附到聚(α-羟基酸)微粒上的选定的小瓶抗原和(ii)药学上可接受的赋形剂,但条件是(a)该组合物不包含对病毒抗原具有特异性的抗体(b)微粒不是至少部分为结晶的层状颗粒。微粒由选自聚(L-丙交酯),聚(D,L-丙交酯)和聚(D,L-丙交酯-共-乙交酯)的聚(α-羟基酸)形成。病毒抗原是gp120,p24gag,A型流感血凝素或单纯疱疹病毒gD2。

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