Investigate the Effect on the QT/QTc Interval of Repeated and Escalating Doses of AZD3480 During 6 Days

Inclusion Criteria: * Participation in a previous study for genotyping for identification to be extensive or poor metaboliser (CYP2D6 enzyme) * Physically and mentally healthy male volunteers Exclusion Criteria: * History of clinically significant diseases or illness. * Participation in another study the last 3 months * Prescribed or non-prescribed medications from 3 weeks prior to first treatment day until follow-up except for paracetamol (max 1.5 g per day.)