Abstract
Anemia is a highly prevalent condition worldwide, with iron deficiency (ID) being its leading etiology(1,2). IDA is usually treated with oral iron salts, but up to 50% of patients complain of gastrointestinal side effects (GI AEs), leading to reduced compliance and efficacy(8-10). Sucrosomial iron (SI) is a relatively new oral iron formulation with a high iron bioavailability and excellent gastrointestinal tolerance(11,12). This study aimed at assessing the GI tolerance and efficacy of SI compared to conventional oral iron formulations. We have analyzed the electronic medical histories of consecutive patients presenting with an IDA diagnosis and were prescribed a 12-week course of oral iron with SI (SI group; n=80) or one conventional iron formulation (Control group; n=96) from March to December 2023. Patients were followed for tolerance and hematological response every 4 weeks after treatment initiation. Data were analyzed according to the intention-to-treat (ITT) and the per-protocol (PP) principles. The incidence of GI AEs (main outcome variable) was significantly higher in the control group compared to the SI group (32% vs. 11%, respectively; p=0.001; ITT analysis). The mean of individual net Hb increment was higher in the SI group (+0.6 g/dL; P=0.025; PP analysis). Ferritin and TSAT values improved along the study period, without differences between groups. There was a trend towards a greater rate of anemia correction in the SI group (58% vs. 69%, respectively; P=0.162; ITT analysis), which was significant for patients with baseline Hb > 9 g/ dL (54% vs. 5%, respectively; p=0.01). The study results seem to confirm that oral SI showed a better GI tolerance and was at least as efficacious as conventional oral iron formulations in correcting IDA and improving iron parameters.
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