Study to Compare the Effect of a Combination of Dipyridamole With Sustained Release and Acetyl Salicylic Acid (Aggrenox®) on the Performance Relevant to Safety and on the General Condition of Healthy Volunteers

Inclusion Criteria: * Race: Caucasian * Men and women aged between 40 and 65 years * Written and spoken command of German * Ability to understand the nature and significance of the study * Written informed consent to participate in the study Exclusion Criteria: * Acute disease at the beginning of the study * Any chronic disease in particular: * Diseases for which the administration of the test drug was contraindicated: * Severe coronary heart disease (e.g. unstable angina pectoris or recent myocardial infarction) * Subvalvular aortic stenosis or hemodynamic instability, myocardial decompensation * Severe hypotension, hypotonic collapse * Any other cardiac disease (or case history of) * Chronic obstructive lung disease * Hepatic and renal dysfunction * Diseases of the gastrointestinal tract * Mental or neurologic diseases * Alcoholism, alcohol abuse * Case history of clinically relevant allergies (particularly against one of the ingredients of the test substance incl. paracetamol) * Participation in another clinical study during the last two months preceding the study * Women while pregnant or breastfeeding * Women of childbearing age without safe contraception * Psychotropic drugs during the last four weeks before the beginning of and during the study * taking other medicaments regularly during the last two weeks before the beginning of and during the study (except for oral contraceptives, hormone replacement in women) * Body weight outside the Body-Mass-Index (BMI) +- 4 * Habits of life style having a presumable negative effect on the results of the performance test (e.g. shift work, extreme sports, blood donation within the last 4 weeks, \> 8 cups/glasses of caffeine-containing beverages/day, \> 40 g alcohol/day, \>40 cigarettes/day) * positive or no drug screening for barbiturates, benzodiazepines, tricyclic antidepressants and cannabinoids, amphetamines, cocaine, opiates * Persons having been detained in an institution by judicial or official order * Persons incapacitated or placed under provisional guardianship