Safety and Tolerability of 4 Different Dosage Strengths of BIBW 2992 Tablets to Healthy Male Volunteers

Inclusion Criteria: * Healthy males according to a complete medical history, including a physical examination, vital signs (blood pressure, pulse rate), 12-lead Electrocardiogram (ECG), and clinical laboratory tests * Age 21 to 55 years, inclusive * Body mass index 18.5 to 29.9 kg/m2, inclusive * Signed and dated written informed consent prior to admission to the study in accordance with Good Clinical Practice (GCP) and the local legislation Exclusion Criteria: * Any finding of the medical examination (including Blood Pressure (BP), Puse Rate (PR) and Electrocardiogram (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 drug allergy or its excipients) * Intake of drugs with a long half-life (\>24 hours) within 1 month prior to administration of the trial drug or during the trial * Use of any drugs (including herbal preparations, vitamins and nutrient supplements) within 10 days prior to administration of the trial drug or during the trial * Participation in another trial with an investigational drug within 2 months prior to administration or during the trial * Smoker (\>10 cigarettes or \>3 cigars or \>3 pipes/day) * Inability to refrain from smoking within the in-house periods from 12 hours before until 25 hours after each administration of the trial drug * Alcohol abuse (more than 30 g/day) * Drug abuse * Blood donation (more than 100 mL within 4 weeks prior to administration of the trial drug or during the trial) * Excessive physical activities (within 1 week prior to administration of the trial drug 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) * A history of additional risk factors for Torsades de Points, e.g., heart failure, hypokalemia, family history of Long QT Syndrome Exclusion criteria specific for this study: * History of clinically relevant skin diseases, psoriasis or moderate/severe acne * History or evidence of interstitial lung disease * Males who are unwilling to use a medically acceptable method of contraception during the first 3 months after administration of the trial drug. Acceptable methods of contraception for use by male volunteers include sexual abstinence, a vasectomy performed at least 1 year prior to dosing, barrier contraception or another medically accepted contraceptive method