THE PRESENT INVENTION RELATES TO USE OF (THIO)-CARBAMOYL-CYCLOHEXANE DERIVATIVES, PARTICULARLYTRANS-4- {2-[4-(2,3 -DICHLOROPHENYL)-PIPERAZIN-1-YL] -ETHYL}-N,N-DIMETHYLCARBAMOYL- CYCLOHEXYLAMINE AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF IN THE MANUFACTURE OF A MEDICAMENT FOR THE TREATMENT OF SCHIZOPHRENIA. FURTHERMORE, THE PRESENT INVENTION RELATES TO THE TREATMENT OF SCHIZOPHRENIA THROUGH THE ADMINISTRATION OF (THIO)- CARBAMOYL CYCLOHEXANE DERIVATIVES, PARTICULARLY TRANS-4- {2-[4-(2,3DICHLOROPHENYL)-PIPERAZIN- 1-YL] -ETHYL}-N,N-DIMETHYLCARBAMOYL-CYCLOHEXYLAMINE AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF.