COMPOSITION FOR TREATING OR PREVENTING ERECTILE DYSFUNCTION COMPRISING LDD175 AS ACTIVE INGREDIENT

摘要

The present invention relates to a pharmaceutical composition for treating or preventing importance containing LDD175 as an active ingredient; and a combined preparation for treating or preventing impotence containing an LDD175 and PDE5 inhibitor as an active ingredient. According to the present invention, LDD175 has an effect of relaxing a smooth muscle of a cavernous body of a penis to improve a significant erectile function, and LDD175 is also applied to a BK_Ca channel to be expected to hardly have cardiovascular side effects. In addition, LDD175 has the impotence treatment capacity in an equivalent degree of udenafil, which is a PDE5 inhibitor. In the case of the administration combined with udenafil, a relaxation effect of a smooth muscle of a cavernous body of a penis may be increased.