XANTHINE DERIVATIVES, THEIR USE AS A MEDICAMENT, AND PHARMACEUTICAL PREPARATIONS COMPRISING THE SAME

摘要

The invention relates to a xanthine derivative defined by chemical formula I or a salt thereof, its use as a medicament, especially for use in the treatment of serotonin-related diseases or disorders, and a pharmaceutical preparation comprising the xanthine derivative. The novel xanthine compounds are capable of inhibiting tryptophan hydroxylases (TPH) involved in the biosynthesis of serotonin and are effective in influencing the serotonin level in the body.