• Carmine Nappi, Giovanni Antonio Tommaselli, Ilaria Morra, Mariangela Massaro, Carmen Formisano, and Costantino Di Carlo.
• Department of Gynecology and Obstetrics, University of Naples Federico II, Via S. Pansini 5, Naples, Italy. nappi@unina.it
• Acta Obstet Gynecol Scand. 2009 Jan 1;88(9):1031-5.

ObjectiveTo compare the effects of bovine lactoferrin with ferrous sulfate on iron nutritional status and to evaluate their tolerability in 100 pregnant women with iron deficiency anemia.DesignProspective, randomized, controlled, double blind trial.SettingObstetrics clinic of a University Department of Obstetrics and Gynecology.PopulationOne-hundred pregnant, healthy women to be treated either with one capsule of 100 mg bovine lactoferrin twice a day (Group A; n=49) and 520 mg ferrous sulfate once a day (Group B; n=48).MethodsAfter 30 days, we evaluated hemoglobin (Hb), serum ferritin, serum iron and total iron- binding capacity (TIBC) values. All women were asked to keep a diary of five potential gastrointestinal side effects (abdominal pain, nausea, vomiting, diarrhea and constipation). For each symptom, patients had to rate its severity according to a scale ranging from 0 (absent) to 3 (severe).Main Outcome MeasuresHb level before and after treatment. Secondary outcomes were serum ferritin, serum iron and TIBC levels and the difference in symptom scores between groups.ResultsIn Groups A and B, Hb, serum ferritin and iron were significantly increased while TIBC was significantly reduced in comparison with basal values. No significant differences were observed between Groups A and B. The median scores of abdominal pain and constipation were significantly higher in patients treated with ferrous sulfate in comparison with those treated with bovine lactoferrin.ConclusionsThe results show that bovine lactoferrin has the same efficacy as ferrous sulfate in restoring iron deposits with significantly fewer gastrointestinal side effects.

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