GPRP醋酸盐（甘氨酰-脯氨酰-精氨酰-脯氨酸醋酸盐，Gly-Pro-Arg-Proacetate）是纤维蛋白聚合抑制剂，核心作用是抑制纤维蛋白原与血小板膜糖蛋白Ⅱb/Ⅲa复合物（即糖蛋白Ⅱb/Ⅲa受体）之间的相互作用。

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