New alkoxyamino compounds for treating pain and pain related conditions

A compound of general formula (I):

• wherein:
• R1 and R1a are independently from one another a hydrogen atom or a branched or unbranched C1-6 alkyl radical;
• R2 is selected from the group consisting of an optionally substituted 6-membered aryl group and an optionally substituted 5 to 9-membered heteroaryl group having at least one heteroatom selected from the group consisting of N, O and S;
• n and m are independently 0.1 or 2;
• —W—Z moiety is in meta or para position;
• W represents —(CH2)p— —C(O)— or a bond;
• p is 1 or 2;
• Z is selected from the group consisting of an optionally substituted 5 to 9 membered heteroaryl group having at least one heteroatom selected from the group consisting of N, O and S;
• an optionally substituted 3 to 6 membered heterocycloalkyl group having at least one heteroatom selected from the group consisting of N, O and S;
• and an optionally substituted 5 to 10-membered heterocyclic system having at least one heteroatom selected from the group consisting of N, O and S;
• or a pharmaceutically acceptable salt, isomer, prodrug or solvate thereof.