Photosensitizer composition and preparation method thereof

The invention relates to the field of pharmacy. Specifically, the invention discloses a photosensitizer composition and a preparation method thereof. Wherein the photosensitizer composition comprises chlorin e6 or a pharmaceutically acceptable salt thereof and a stabilizer, and the stabilizer comprises meglumine and chitosan with a low molecular weight (600 to 50,000 Da). The photosensitizer composition has lasting stability and can be used for photodynamic therapy of cancers and other diseases. 本发明涉及制药领域。具体而言，本发明公开了一种光敏剂组合物及其制备方法。其中，所述光敏剂组合物包括氢卟吩e6或其可药用盐和稳定剂，而所述稳定剂包括葡甲胺和低分子量(600-50,000Da)的壳聚糖。本发明的光敏剂组合物具有持久的稳定性，可用于癌症和其他疾病的光动力治疗。