The use of (6R, 12aR)-2,3,6,7,12,12a-hexahydro-2-methyl-6-(3,4-methylenedioxyphenyl)-pyraz ino[2',1':6,1]pyrido[3,4-b]indole -1,4-dione, (3S, 6R, 12aR)-2,3,6,7,12,12a-hexahydro-2,3-dimethyl-6-(3,4-methylenedioxyphenyl)py razino[2', 1':6,1]pyrido[3,4-b]indole-1,4-dione, and physiologically acceptable salts and solvates thereof, in the treatment of impotence.

O uso de (6R, 12aR)-2,3,6,7,12,12a-hexahydro-2-methyl-6-(3,4-methylenedioxyphenyl)-pyraz ino[2', 1':6, 1]pyrido[3, 4-b]indole -1,4-dione, (3S, 6R, 12aR)-2,3,6,7,12,12a-hexahydro-2,3-dimethyl-6-(3,4-methylenedioxyphenyl)py razino[2 ', 1':6,1]pyrido[3,4-b]indole-1,4-dione, e sais e solvates physiologically aceitáveis disso, no tratamento do impotence.