Study to evaluate safety, tolerability, and pharmacokinetics of BI 1744 CL in healthy Japanese male volunteers.

Inclusion Criteria:

• Healthy Japanese men: According to the results of a complete medical history, the physical examination, vital signs (blood pressure and pulse rate), 12-lead ECG, clinical laboratory tests
• Age ≥20 and ≤35 years
• Body mass index (BMI) ≥18.5 and ≤25.0 kg/m2
• Signed and dated written informed consent prior to admission to the study in accordance with Good Clinical Practice and the local legislation
• Subjects must be able to inhale medication in a competent manner from the Respimat®inhaler

Exclusion Criteria:

• Any finding of the medical examination (including ,blood pressure and pulse rate and ECG) deviating from normal and of clinical relevance
• Any evidence of a clinically relevant concomitant disease
• Gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunological or hormonal disorders
• Surgery of the gastrointestinal tract (except appendectomy)
• Diseases of the central nervous system (such as epilepsy) or psychiatric disorders or neurological disorders
• History of relevant orthostatic hypotension, fainting spells or blackouts
• Chronic or relevant acute infections
• History of relevant allergy/hypersensitivity (including allergy to drug or its excipients)
• Intake of drugs with a long half-life (>24 hours) within at least one month or less than 10 half-lives of the respective drug before drug administration or during the trial
• Use of prescription or non-prescription drugs within 10 days before drug administration or during the trial. However, over-the-counter drugs for external application (such as lubricant eye drops for contact lens, insect bite reliever) shall be allowed
• Participation in another trial with an investigational drug within four months before drug administration or during the trial
• Smoker (>10 cigarettes or >3 cigars or >3 pipes/day)
• Inability to refrain from smoking on trial days
• Alcohol abuse (more than 60 g/day: corresponds to ca. 3 large bottles of beer, 3 gous (ca. 540 cc) of Japanese sake, 6 shots of whisky, 6 glasses of wine or 6 glasses of Japanese shochu, distilled alcoholic beverage)
• Drug abuse
• Blood donation (more than 100 mL within four weeks before drug administration or during the trial)
• Excessive physical activities (within one week before administration or during the trial)
• Any laboratory value outside the reference range that is of clinical relevance
• Inability to comply with dietary regimen of trial site
• A marked baseline prolongation of QT/QTc interval (e.g., repeated demonstration of a QTc interval >450 ms) or long QT syndroms
• A history of additional risk factors for torsades de pointes (TdP) (e.g., heart failure, hypokalemia) or other cardiac arrhythmias
• hyperthyroidism
• Disagree with adequate contraception (the subject should use condoms and his partner should use oral contraception or intrauterine device [IUD]) during the study