Relative Bioavailability Of Two Formulations Of Moroctocog Alfa (AF-CC)

Inclusion Criteria: * Male patients at least 18 years old with severe or moderately severe hemophilia A (facto VIII concentration less than or equal to 2%). * Negative test for facto VIII inhibitor. * If applicable, HIV or hepatitis treatment is stable at the time of enrollment. * Ability to abstain from use of FVIII products for 72 hours at a time. Exclusion Criteria: * History of any positive test result for factor VIII inhibitor. * Presence of any bleeding disorder in addition to Hemophilia A. * Body weight less than 50 kg. * History of alcoholism. * Treatment with investigational drug or device within 30 days prior to the Screening visit.