Abstract: The present invention relates to 1-(1-methylethyl)-4-{[4-(tetrahydro-2H-pyran-4-yloxy)phenyl]carbonyl}piperazine or a pharmaceutically acceptable salt thereof, in particular the hydrochloride salt thereof and crystalline forms of the hydrochloride salt; to processes for the preparation of the compound or its salt; to compositions containing it; and to its use in the treatment or prophylaxis of neurological or psychiatric diseases, such as cognitive impairment, fatigue or a sleep disorder, for example in a mammal such as a human. The compound or a salt thereof has affinity for and is an antagonist and/or inverse agonist of the histamine H3 receptor.

Abstract: The present invention relates to a compound of formula (I) or a pharmaceutically acceptable salt thereof: The pyrazole derivatives of formula (I) or salts thereof modulate P2X7 receptor function and are capable of antagonizing the effects of ATP at the P2X7 receptor (P2X7 receptor antagonists). The invention also relates to the use of such compounds or salts, or pharmaceutical compositions thereof, in the treatment or prevention of disorders/diseases mediated by the P2X7 receptor, for example pain, inflammation or a neurodegenerative disease.

Abstract: The present invention relates to 1-(1-methylethyl)-4-{[4-(tetrahydro-2H-pyran-4-yloxy)phenyl]carbonyl}piperazine or a pharmaceutically acceptable salt thereof, in particular the hydrochloride salt thereof and crystalline forms of the hydrochloride salt; to processes for the preparation of the compound or its salt; to compositions containing it; and to its use in the treatment or prophylaxis of neurological or psychiatric diseases, such as cognitive impairment, fatigue or a sleep disorder, for example in a mammal such as a human. The compound or a salt thereof has affinity for and is an antagonist and/or inverse agonist of the histamine H3 receptor.

Abstract: The present application relates to compounds of formula (I) or a pharmaceutically acceptable derivative thereof; wherein X, R1, R2, and R3 are as defined in the specification, a process for the preparation of such compounds, pharmaceutical compositions comprising such compounds and the use of such compounds in medicine.

Abstract: The present application relates to compounds of formula (I) or a pharmaceutically acceptable derivative thereof: formula (I) wherein X, R1, R2, and R3 are as defined in the specification, a process for the preparation of such compounds, pharmaceutical compositions comprising such compounds and the use of such compounds in medicine.

Abstract: The present invention relates to 1-(1-methylethyl)-4-{[4-(tetrahydro-2H-pyran-4-yloxy)phenyl]carbonyl}piperazine or a pharmaceutically acceptable salt thereof, in particular the hydrochloride salt thereof and crystalline forms of the hydrochloride salt; to processes for the preparation of the compound or its salt; to compositions containing it; and to its use in the treatment or prophylaxis of neurological or psychiatric diseases, such as cognitive impairment, fatigue or a sleep disorder, for example in a mammal such as a human. The compound or a salt thereof has affinity for and is an antagonist and/or inverse agonist of the histamine H3 receptor.