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Hospira Data On European Biosimilar Epoetin, Retacrit, Affirm Treatment Response, Tolerability In Management Of Anemia Secondary To Chemotherapy

LAKE FOREST, Ill., June 3, 2013 /PRNewswire/ -- Hospira, Inc. (NYSE: HSP), the world's leading provider of injectable drugs and infusion technologies, announced today results from a post-marketing study of the company's European biosimilar epoetin, Retacritâ„¢. This prospective, observational study met the primary endpoint, as defined by hemoglobin treatment response, in the management of chemotherapy-induced anemia in adult patients with solid tumors, lymphomas and myelomas, regardless of chemotherapy cycle. Retacrit was well tolerated by patients in the study. Full results of the study, called ORHEO (place of biOsimilaRs in the therapeutic management of anemia secondary to chemotherapy in HEmatology and Oncology), were presented at the 48 th Annual Meeting of the American Society of Clinical Oncology (ASCO) on June 3 (Abstract 9564).

Retacrit, a recombinant human erythropoietin, or an "EPO biosimilar," was launched in Europe in early 2008. Retacrit is used to treat symptomatic anemia associated with chronic renal failure in adult and pediatric patients and anemia in adult patients receiving chemotherapy for solid tumors, malignant lymphoma or multiple myeloma.

Study Design

Patients with chemotherapy-induced anemia (Hb <110 g/L), greater than 18 years old, with solid tumors, lymphomas or myelomas and eligible for epoetin alfa treatment were included in the study. The primary endpoint was the rate of response (defined as an increase in Hb levels to 100 g/L or at least 10 g/L since inclusion visit, or reaching target Hb set at start of study, without any blood transfusions in the three weeks prior to measurement) at plus three months (M3). Other endpoints included rate of response at plus six months (M6) and safety endpoints.

Study Results

This European prospective, observational study included 2,310 patients with solid tumors, lymphomas or myelomas. The majority of patients (>80 percent) enrolled in this study achieved a pre-defined hemoglobin (Hb) response with Retacrit in a real-world clinical setting.   Retacrit was well tolerated in this study with an overall rate of thrombotic events at 3.5 percent. In this observational study, no epoetin alfa biosimilar-related deaths were reported. 1

View the full results at: Elisabeth Luporsi-Gely, Pierre-Louis Soubeyran, Mauricette Michallet; Centre Alexis Vautrin, Nancy, France; Institut Bergonie, Bordeaux, France; Centre Hospitalier Lyon Sud, Pierre Bénite, France; Epoetin biosimilars in the management of anemia secondary to chemotherapy in patients with solid tumors, lymphomas, and myelomas: The ORHEO study; Poster session presented at 2013 ASCO Annual Meeting

"Patients in the study showed a very good rate of response to Retacrit and tolerated it well," said Dr. Elisabeth Luporsi-Gely, of ICL Alexis Vautrin, Vandoeuvre-les-Nancy, France, and one of the study's principal investigators. "This is the first post-marketing observation study conducted in France for a biosimilar, and the results reinforce why there is a growing acceptance of biosimilars. The introduction of biosimilars has offered new options for patients and has helped bring cost savings to the healthcare system."

In addition to the results from this study, several Hospira-related studies (view links below) were presented at the ASCO Annual Meeting, including:

Hospira's second marketed biosimilar product is Nivestimâ„¢, a biosimilar version of filgrastim, a recombinant Granulocyte Colony-Stimulating Factor (G-CSF), used for a condition known as neutropenia in which the body makes too few infection-fighting white blood cells. Nivestim entered the European market in 2010 and the Australian market in 2011.

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