Through this acquisition, Sun Pharma intends to deepen its presence in the skin cancer segment; Sun Pharma’s existing portfolio in this space includes Levulan and Odomzo, having filed Nidlegy for ...

技术创新正在突破传统诊疗的物理边界。光动力疗法（PDT）通过光敏剂与特定波长光的相互作用，能够实现肿瘤细胞的靶向清除。其核心原理在于：氨基酮戊酸作为前体药物，在肿瘤细胞内转化为光敏物质原卟啉IX，经特定波长激光激活后产生活性氧，选择性杀伤异常细胞。这种"分子级手术刀"不仅减少了对健康组织的损伤，其荧光显影特性更实现了术中实时可视化，为外科医生提供了"细胞级导航系统"。

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.