A pharmaceutical composition comprising, as an active ingredient, a thiazole derivative represented by a formula (IA), or a pharmaceutically acceptable salt thereof: ** Formula ** wherein: R1A represents substituted or unsubstituted furyl (excluding a selected group between 5-phosphonofuran-2-yl and 5-nitrofuran-2-yl)； R12 represents substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C1-C10 alkoxy, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl, a substituted or unsubstituted alicyclic heterocyclic group, a heterocyclic group substituted or unsubstituted aromatic, heterocyclic-substituted or unsubstituted alicyclic alkyl, or heterocyclic-substituted or unsubstituted aromatic alkyl； 15 n is 0； R3A represents a hydrogen atom； and R2A represents -COR8 (wherein R8 represents substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group).Una composición farmacéutica que comprende, como ingrediente activo, un derivado de tiazol representado por una fórmula (IA), o una sal farmacéuticamente aceptable del mismo:**Formula** en donde: R1A representa furilo sustituido o no sustituido (excluyendo un grupo seleccionado entre 5-fosfonofuran-2-ilo y 5-nitrofuran-2-ilo)； R12 representa alquilo C1-C10 sustituido o no sustituido, alcoxi C1-C10 sustituido o no sustituido, cicloalquilo sustituido o no sustituido, arilo sustituido o no sustituido, aralquilo sustituido o no sustituido, un grupo heterocíclico alicíclico sustituido o no sustituido, un grupo heterocíclico aromático sustituido o no sustituido, heterocíclico-alquilo alicíclico sustituido o no sustituido, o heterocíclico-alquilo aromático sustituido o no sustituido； 15 n es 0； R3A representa un átomo de hidrógeno； y R2A representa -COR8 (en donde R8 representa cicloalquilo sustituido o no sustituido, arilo
