Non-erythroid Effects of Erythropoietin on Cognitive Function and Exercise Capacity in Humans

Inclusion criteria: * Healthy Subjects; * Age between 18 to 35 years; * Normal body weight (body mass index of \>= 18.5 kg/m2 \<= 24.9 kg/m2); * Nonsmokers (\>= 1 year); * VO2max of \<= 55 ml/kg/min for females and \<= 60 ml/kg/min for males; Exclusion criteria: * Persons with abnormal Serum Ferritin levels according to gender dependent reference values of GCP-certificated laboratory; * Persons with pre-existing genetic hemostatic disorders (Factor V Leiden mutation, Prothrombin mutation); * Persons which are at risk of deep venous thrombosis (e.g. history of venous thromboembolic events); * Persons with a hematocrit value of \> 55%; * Persons being exposed to prolonged (\>= 5 days) high altitude (\>= 2500m above Normal Null) \<= 6 months prior the beginning of the study; * Persons not willing to maintain their living conditions during the study period (e.g. preparing for a certain competition); * Contraindications to the class of drugs under study, e.g. known hypersensitivity or allergy to class of drugs or the investigational product; * Pregnant or breast feeding women; * Intention to become pregnant during the course of the study; * Lack of safe contraception; * Treatment with other investigational products; * Known or suspected non-compliance, drug or alcohol abuse; * Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders; * Participation in another study with investigational drug within the 30 days preceding and during the present study; * Enrolment of the investigator, his/her family members, employees and other dependent persons;