The task is to provide a solid composition of stabilized pyrrole carboxamide. The solution is a solution of (S) -1- (2-hydroxyethyl) -4-methyl-N- [4- (methylsulfonyl) phenyl] -5- [2- (trifluoromethyl) -Pyrrole-3-carboxamide, and, if appropriate, an additive.과제는, 안정화된 피롤카르복사미드의 고형 조성물을 제공하는 것이다. 해결 수단은, (S)-1-(2-하이드록시에틸)-4-메틸-N-[4-(메틸술포닐)페닐]-5-[2-(트리플루오로메틸)페닐]-1H-피롤-3-카르복사미드와, 적절히 첨가제를 함유하는 의약용 고형 조성물이다.