The present invention relates to compounds of general formula (I) having dual pharmacological activity towards both the sigma (σ) receptor, and the μ-opiod receptor and more particularly to diazaspiro undecane compounds having this pharmacological activity, to processes of preparation of such compounds, to pharmaceutical compositions comprising them, and to their use in therapy, in particular for the treatment of pain.本發明係關於具有針對西格馬(sigma)(σ)受體及μ-類鴉片受體之雙重藥理學活性的通式(I)化合物,且更特定言之,係關於具有此藥理學活性之二氮雜螺十一烷化合物;該等化合物之製備方法;包含其之醫藥組成物;及其在療法,特定言之,治療疼痛中之用途。