The purpose of the study is to evaluate if AZD3480 and warfarin interact with each other or not, i.e. show the same or altered plasma concentration profiles when co-administered compared to administered alone.

Inclusion Criteria:

• Provision of signed written informed consent
• Clinically normal physical findings and laboratory values

Exclusion Criteria:

• Clinically significant illness or clinically relevant trauma within three weeks before the first dose
• History of clinically significant disease
• Use of prescribed medication during the 2 weeks before administration of the first dose of investigational product