\n\n
幽门螺杆菌疫苗在动物实验中已经取得了令人满意的结果。我国学者[5]建立的“基因重组幽门螺杆菌疫苗”也顺利完成了 Ⅲ 期临床研究,成为世界首个完成 Ⅲ 期临床研究的幽门螺杆菌疫苗。该疫苗是我国具有自主知识产权的新药。对 4464 名试验者进行疫苗接种后,71.8% 能预防幽门螺杆菌感染,该疫苗表现出了良好的安全性和有效性。
\n\n但是,幽门螺杆菌疫苗在临床试验中仍面临一些问题,效果尚不尽如人意。目前存在的主要问题是,辅助疫苗发挥作用的佐剂会带来不良反应、疫苗激发体内免疫力的免疫原性仍较弱等。
\n\n幽门螺杆菌疫苗具有良好的开发前景,虽然目前研究已经取得了突破性进展,但仍存在许多问题,其应用还有一段很长的路要走。相信未来一定能研制出安全有效的幽门螺杆菌疫苗,这也是预防胃癌发生的重要一步。
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