abstract the invention provides for methods of treating iron deficiency and methods of reducing or eliminating the dose of erythropoiesis stimulating agent for increasing or maintaining hemoglobin levels in the target range in a subject suffering from anemia comprising administering soluble ferric pyrophosphate in an amount effective to maintain or increase hgb levels in the subject. Methods of Treating Iron Deficiency with Soluble Ferric Pyrophosphate The invention provides methods of treating iron deficiency and methods for reducing or eliminating the dose of erythropoiesis stimulating agent to increase or maintain hemoglobin levels. target range in a subject suffering from anemia comprising administering soluble ferric pyrophosphate in an amount effective to maintain or increase hgb levels in the subject.abstract the invention provides for methods of treating iron deficiency and methods of reducing or eliminating the dose of erythropoiesis stimulating agent for increasing or maintaining hemoglobin levels in the target range in a subject suffering from anemia comprising administering soluble ferric pyrophosphate in an amount effective to maintain or increase hgb levels in the subject. tradução do resumo resumo métodos de tratamento de deficiência de ferro com pirofosfato férrico solúvel a invenção fornece métodos de tratamento de deficiência de fer-ro e métodos para reduzir ou eliminar a dose de agente estimulador da eri-tropoiese para aumentar ou manter os níveis de hemoglobina no intervalo alvo em um sujeito que sofre de anemia compreendendo a administração de pirofosfato férrico solúvel em uma quantidade eficaz para manter ou au-mentar níveis de hgb no sujeito.