A compound having the Formula (IA) or a stereoisomeric form thereof, wherein R A represents a radical (b): wherein L is selected from the group consisting of >CH 2 , >CH(CH 3 ), >CH(CF 3 ) and -CH 2 CH 2 -; and R 3 is selected from the group consisting of C 1-4 alkyl; aryl and Het; wherein aryl represents a phenyl optionally substituted with one, two or three substituents, each independently selected from the group consisting of halo; -CN; C 1-4 alkyl optionally substituted with 1, 2 or 3 independently selected halo substituents; and C 1-4 alkyloxy optionally substituted with 1, 2 or 3 independently selected halo substituents; Het is (a) a 5-membered heteroaryl radical selected from thiophenyl and pyrazolyl, each optionally substituted with 1 or 2 independently selected C 1-4 alkyl substituents; or (b) a 6-membered heteroaryl radical selected from pyridyl and pyrimidinyl, each optionally substituted with 1 or 2 substituents, each independently selected from the group consisting of halo; -CN; C 1-4 alkyl optionally substituted with 1, 2 or 3 independently selected halo substituents; C 3-6 cycloalkyl; and 1-piperidinyl ; or (c) a 9- or 10-membered heteroaryl radical selected from the group consisting of 1H-indolyl, benzofuranyl, 1H-indazolyl, 1,3-benzothiazolyl, imidazo[1,2,-a]pyridinyl, and isoquinolinyl; each optionally substituted with a C 1-4 alkyl substituent; or (d) tetrahydropyranyl; or a pharmaceutically acceptable salt or a solvate thereof. or a stereoisomeric form thereof, wherein R A represents a radical (b): wherein L is selected from the group consisting of >CH 2 , >CH(CH 3 ), >CH(CF 3 ) and -CH 2 CH 2 -; and R 3 is selected from the group consisting of C 1-4 alkyl; aryl and Het; wherein aryl represents a phenyl optionally substituted with one, two or three substituents, each independently selected from the group consisting of halo; -CN; C 1-4 alkyl optionally substituted with 1, 2 or 3 independently selected halo substituents; and C 1-4 alkyloxy optionally substituted with 1, 2 or 3 independently selected halo substituents; Het is (a) a 5-membered heteroaryl radical selected from thiophenyl and pyrazolyl, each optionally substituted with 1 or 2 independently selected C 1-4 alkyl substituents; or (b) a 6-membered heteroaryl radical selected from pyridyl and pyrimidinyl, each optionally substituted with 1 or 2 substituents, each independently selected from the group consisting of halo; -CN; C 1-4 alkyl optionally substituted with 1, 2 or 3 independently selected halo substituents; C 3-6 cycloalkyl; and 1-piperidinyl ; or (c) a 9- or 10-membered heteroaryl radical selected from the group consisting of 1H-indolyl, benzofuranyl, 1H-indazolyl, 1,3-benzothiazolyl, imidazo[1,2,-a]pyridinyl, and isoquinolinyl; each optionally substituted with a C 1-4 alkyl substituent; or (d) tetrahydropyranyl; (a) a 5-membered heteroaryl radical selected from thiophenyl and pyrazolyl, each optionally substituted with 1 or 2 independently selected C 1-4 alkyl substituents; or (b) a 6-membered heteroaryl radical selected from pyridyl and pyrimidinyl, each optionally substituted with 1 or 2 substituents, each independently selected from the group consisting of halo; -CN; C 1-4 alkyl optionally substituted with 1, 2 or 3 independently selected halo substituents; C 3-6 cycloalkyl; and 1-piperidinyl ; or (c) a 9- or 10-membered heteroaryl radical selected from the group consisting of 1H-indolyl, benzofuranyl, 1H-indazolyl, 1,3-benzothiazolyl, imidazo[1,2,-a]pyridinyl, and isoquinolinyl; each optionally substituted with a C 1-4 alkyl substituent; or (d) tetrahydropyranyl; or a pharmaceutically acceptable salt or a solvate thereof. <EOS>