A cyclic amine compound of Formula: or a pharmaceutically acceptable salt thereof, wherein: A is selected from the group consisting of wherein n= 0, 1 or 2 m= 0 or 1 R 1 and R 2 are independently hydrogen, linear or branched C 1-3 alkyl or are joined together to form a cyclopropyl ring; R 3 is H or linear or branched C 1-3 alkyl R 4 and R 5 are independently hydrogen, fluorine, linear or branched C 1-3 alkyl or are joined together to form a cyclopropyl ring, Ar is - phenyl having: i. in 4-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, or ii. in 3-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, provided that ii.a. when A is B, both R 4 and R 5 are fluorine, linear or branched C 1-3 alkyl or joined together they form a cyclopropyl ring, ii.b. A is C and m is 0 ii.c. A is D and m is 1, - a 5-membered heteroaromatic ring containing 1 to 3 heteroatoms wherein said heteroatoms independently of each others are S, O or N; or - a 6-membered heteroaromatic ring containing 1 to 3 N. A is selected from the group consisting of wherein n= 0, 1 or 2 m= 0 or 1 R 1 and R 2 are independently hydrogen, linear or branched C 1-3 alkyl or are joined together to form a cyclopropyl ring; R 3 is H or linear or branched C 1-3 alkyl R 4 and R 5 are independently hydrogen, fluorine, linear or branched C 1-3 alkyl or are joined together to form a cyclopropyl ring, Ar is - phenyl having: i. in 4-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, or ii. in 3-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, provided that ii.a. when A is B, both R 4 and R 5 are fluorine, linear or branched C 1-3 alkyl or joined together they form a cyclopropyl ring, ii.b. A is C and m is 0 ii.c. A is D and m is 1, - a 5-membered heteroaromatic ring containing 1 to 3 heteroatoms wherein said heteroatoms independently of each others are S, O or N; or - a 6-membered heteroaromatic ring containing 1 to 3 N. n= 0, 1 or 2 m= 0 or 1 R 1 and R 2 are independently hydrogen, linear or branched C 1-3 alkyl or are joined together to form a cyclopropyl ring; R 3 is H or linear or branched C 1-3 alkyl R 4 and R 5 are independently hydrogen, fluorine, linear or branched C 1-3 alkyl or are joined together to form a cyclopropyl ring, Ar is - phenyl having: i. in 4-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, or ii. in 3-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, provided that ii.a. when A is B, both R 4 and R 5 are fluorine, linear or branched C 1-3 alkyl or joined together they form a cyclopropyl ring, ii.b. A is C and m is 0 ii.c. A is D and m is 1, - phenyl having: i. in 4-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, or ii. in 3-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, provided that ii.a. when A is B, both R 4 and R 5 are fluorine, linear or branched C 1-3 alkyl or joined together they form a cyclopropyl ring, ii.b. A is C and m is 0 ii.c. A is D and m is 1, i. in 4-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, or ii. in 3-position one substituent selected from the group consisting of halogen,cyano, trifluoromethyl, provided that ii.a. when A is B, both R 4 and R 5 are fluorine, linear or branched C 1-3 alkyl or joined together they form a cyclopropyl ring, ii.b. A is C and m is 0 ii.c. A is D and m is 1, ii.a. when A is B, both R 4 and R 5 are fluorine, linear or branched C 1-3 alkyl or joined together they form a cyclopropyl ring, ii.b. A is C and m is 0 ii.c. A is D and m is 1, - a 5-membered heteroaromatic ring containing 1 to 3 heteroatoms wherein said heteroatoms independently of each others are S, O or N; or - a 6-membered heteroaromatic ring containing 1 to 3 N.