INHIBITION OF VASCULAR RESTENOSIS AFTER ANGIOPLASTY

摘要

A vascular restenosis-suppressing composition comprising mono-L-aspartylchlorin e6 or mono-L-glutamylchlorin e6 or a salt thereof as an active ingredient, is provided as such a novel pharmaceutical composition which is for use in a photochemotherapy, and which is capable of suppressing the vascular restenosis inducible in the blood vessel having received a treatment by a percutaneous transluminal coronary angioplasty or a percutaneous transluminal angioplasty. In addition, a photodynamic therapy method for suppressing the vascular restenosis inducible after the treatment by angioplasty is provided with using said pharmaceutical composition.