The purpose of this study is to determine the effectiveness of different doses of epoetin alfa for treating anemia in patients who have cancer; or patients who no longer have any signs of cancer, but remain anemic as a result of their treatment. These patients should not be currently receiving chemotherapy or radiotherapy. A subject's participation in the study will last approximately 6 months. Subjects will receive weekly doses of epoetin alfa or placebo. Their hemoglobin will be tested every week.
Inclusion Criteria: * Body weight \>/=99 lbs * ECOG 0-2 * Anemia results from cancer, chemotherapy, radiotherapy or an association with hormonal therapy or immunotherapy * Screening hemoglobin level of \</=11.0 g/dL for men or \</=10.0 for women