Abstract: The present invention relates to a method for treatments relating to bipolar disorder in a mammal, including a human, the treatments including treatment of rapid-cycling bipolar disorder, treatment of symptoms of bipolar disorder selected from the group consisting of acute mania and depression, treatment for effecting mood stabilization; treatment for preventing relapse into bipolar episodes, and for the treatment of suicidal thoughts and tendencies associated with bipolar disorder, comprising administering to said mammal an effective amount of a compound of the formula I: or a pharmaceutically acceptable acid addition salt thereof, wherein Ar, n, X, and Y are as defined.

Abstract: The present invention, in one aspect, relates to a method of using piperazinyl-heterocyclic compounds of the formula I, as defined below, for enhancing cognition in a mammal, including a human, for example a mammal afflicted with psychosis, autism, dementia, or mental retardation, comprising administering an effective amount of a compound of formula I (for example, ziprasidone) to the mammal. In another aspect, the present invention is directed to a method for reducing or ameliorating in a mammal, including a human, afflicted with a disorder or condition selected from autism, mental retardation, obsessive-compulsive disorder, and dementia, positive symptoms (e.g.

Abstract: This invention relates to combinations of an atypical antipsychotic, and a GABA modulator, a benzodiazepine, and/or an anticonvulsant drug, kits containing such combinations, pharmaceutical compositions comprising such combinations, and methods of using such combinations to treat patients suffering from treatment-resistant anxiety disorders, psychotic disorders or conditions, or mood disorders or conditions.

Abstract: The present invention relates to a method for treating a psychiatric conditions and disorders selected from delusional disorder, psychosis associated with dementia, such as psychosis associated with Alzheimer's disease, psychosis associated with an organic brain syndrome (e.g. stroke, or a viral infection such as an HIV infection), and drug-induced psychosis in mammals, including humans, comprising administering an effective amount of a compound of the formula I: or a pharmaceutically acceptable acid addition salt thereof, wherein Ar, n, X, and Y are as defined The present invention also relates to a method for treating a depressive disorder selected from melancholic depression, severe depression, psychotic depression, and treatment-resistant depression in mammals, including humans, comprising administering a compound of formula I, or a pharmaceutically acceptable acid addition salt of such compound.

Abstract: The present invention, in one aspect, relates to a method of using piperazinyl-heterocyclic compounds of the formula I, as defined below, for treating, in a mammal, including a human, situational anxiety, for example, anxiety experienced prior to medical procedures (e.g., surgery), public speaking, anxiety associated with swimming or water, anxiety associated with travel (e.g., air travel), or anxiety associated with specific phobias (snakes, spider, rats, sight of blood), comprising administering a pharmaceutically effective amount of a compound of formula I to the mammal. In another aspect, the present invention is directed to a method of using piperazinyl-heterocyclic compounds of the formula I, as defined below, for treating, in a mammal, including a human, treatment-resistant anxiety, which method comprises administering a pharmaceutically effective amount of a compound of formula I to the mammal.