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methoxypolyethylene glycol epoetin beta

(meh-THOK-see-PAH-lee-EH-thih-leen GLY-kol ee-POH-eh-tin BAY-tuh)
A substance being studied in the treatment of anemia in patients who are receiving chemotherapy. It is a form of erythropoietin (a substance produced in the kidneys that stimulates the production of red blood cells) that has been changed in the laboratory. Also called Ro 50-3821.
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