Among patients taking carboplatin and pemetrexed , adding aprepitant significantly improved the complete response rate in the overall phase ( @ % in the aprepitant group and @ % in the control group ; OR , @ ; @ % CI , @-@ @ ; p < @ ) and the delayed phase ( @ % in the aprepitant group and @ % in the control group ; OR , @ ; @ % CI , @-@ @ ; p < @ ) .