Stabilized amorphous form of agomelatine, of formula (I): ** Formula ** characterized in that agomelatine is dispersed within a matrix as follows: - 30%, 40% or 50% by weight of agomelatine in Eudragit L100, - 30%, 35%, 40% or 50% by weight of agomelatine in Eudragit L100-55, - 30%, 35% or 40% by weight of agomelatine in Kollidon VA64, - 30%, 35% or 40% by weight of Agomelatine in Soluplus, - 30% or 40% by weight of agomelatine in polyvinyl acetate phthalate, - 30% by weight of agomelatine in Plasdone S630, and - 30% by weight of agomelatine in HPMC acetyl succinate.Forma amorfa estabilizada de agomelatina, de fórmula (I): **Fórmula** caracterizada porque la agomelatina está dispersada dentro de una matriz de la siguiente manera: - 30%, 40% o 50% en peso de agomelatina en Eudragit L100, - 30%, 35%, 40% o 50% en peso de agomelatina en Eudragit L100-55, - 30%, 35% o 40% en peso de agomelatina en Kollidon VA64, - 30%, 35% o 40% en peso de agomelatina en Soluplus, - 30% o 40% en peso de agomelatina en acetato-ftalato de polivinilo, - 30% en peso de agomelatina en Plasdone S630, y - 30% en peso de agomelatina en acetil succinato de HPMC.
