NEW LOW MOLECULAR WEIGHT COMPLEXES BETWEEN IRON AND MALTOBIONIC ACID, USE THEREOF FOR INTRAMUSCULAR OR SUBCUTANEOUS ADMINISTRATION IN THE TREATMENT OF ANEMIC STATES, AND NEW PHARMACEUTICAL COMPOSITIONS ADAPTED FOR THESE USES.
New low molecular weight complexes between iron and maltobionic acid that can be administered parenterally, preferably intramuscularly or subcutaneously, in the treatment of anemic states, caused by iron deficiencies, and new pharmaceutical compositions adapted for this use. In particular, the invention provides a new complex between preferably trivalent iron and maltobionic acid that is characterized by a molecular weight Mw between 10,000 and 30,000 Da, by a polydispersity of 1.0-1.8 and by an iron content between 25% and 40% by weight.Nuevos complejos de bajo peso molecular entre el hierro y el ácido maltobiónico, que pueden administrarse parenteralmente, de manera preferida intramuscular o subcutáneamente, en el tratamiento de estados anémicos, causados por deficiencias de hierro, y nuevas composiciones farmacéuticas adaptadas para este uso en particular, la invención proporciona un nuevo complejo entre, de manera preferida, hierro trivalente y ácido maltobiónico, que está caracterizado por un peso molecular Mw de entre 10,000 y 30,000 Da, por una polidispersidad de 1.0-1.8 y por un contenido de hierro de entre 25% y 40% en peso.