Iron Isomaltide for Iron-deficiency Anemia Patients With Locally Advanced Nasopharyngeal Carcinoma

This study is testing intravenous iron (iron isomaltide) to treat iron-deficiency anemia in people with locally advanced nasopharyngeal cancer (a cancer at the back of the nose/throat) who are undergoing intensive chemotherapy and radiation. **You may be eligible if...** - You are 18–65 years old - You have stage III–IVA nasopharyngeal cancer - You completed induction chemotherapy and are now receiving concurrent chemoradiotherapy - You have iron-deficiency anemia **You may NOT be eligible if...** - You have a known allergy to iron products - You have iron overload or hemochromatosis - You have active serious infection or uncontrolled bleeding - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.