Originally published as JCO Early Release 10.1200/JCO.2004.10.020 on September 27 2004

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Phase III, Randomized, Double-Blind Study of Epoetin Alfa Compared With Placebo in Anemic Patients Receiving Chemotherapy

From the Department of Hematology and Internal Medicine, Mayo Clinic, Rochester, MN

Address reprint requests to Thomas E. Witzig, MD, Mayo Clinic, Stabile 6-28, 200 First St SW, Rochester, MN 55905; e-mail: witzig{at}mayo.edu

PURPOSE: To determine whether weekly epoetin alfa could improve hemoglobin (HgB) levels, reduce RBC transfusions, and improve quality of life (QOL) in patients with advanced cancer and with anemia after receiving myelosuppressive chemotherapy.

PATIENTS AND METHODS: This double-blind, placebo-controlled study randomly assigned patients to placebo or epoetin alfa (Ortho Biotech, Bridgewater, NJ) 40,000 U subcutaneous weekly for 16 weeks. QOL, HgB, and RBC transfusions were measured pretreatment and monthly.

RESULTS: The study accrued 344 patients; 330 were assessable for efficacy and 305 were assessable for QOL. Placebo-treated patients had a mean increase in HgB of 0.9 g/dL (range, –3.8 to +5.3) compared with 2.8 g/dL (range, –2.2 to +7.5) for epoetin-treated patients (P < .0001). During the study, 31.7% of placebo-treated patients achieved a 2 g/dL HgB increase compared with 72.7% of epoetin-treated patients (P < .0001). The incidence of RBC transfusion for placebo and epoetin treatment arms was 39.6% and 25.3% (P = .005), respectively. The placebo group received 256 units of RBCs compared with 127 units in the epoetin group (P < .0001). The incidence of toxicity in the groups was similar. Changes in the average QOL scores from baseline to the end of the study were similar in the two groups (P = not significant). The HgB responders (irrespective of treatment arm) had a mean change in Functional Assessment of Cancer Therapy (FACT) fatigue score from a baseline of +5.1 compared with –2.1 for the nonresponders (P = .006).

CONCLUSION: Epoetin alfa significantly improved HgB and reduced transfusions in this patient population. These results support the use of weekly epoetin alfa as an ameliorative agent for cancer-related anemia.

Authors' disclosures of potential conflicts of interest are found at the end of this article.

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