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Iron Sucrose: A Wealth of Experience in Treating Iron Deficiency.

ABSTRACT: Iron deficiency and iron-deficiency anemia are associated with increased morbidity and mortality in a wide range of conditions. In many patient populations, this can be treated effectively with oral iron supplementation; but in patients who are unable to take or who do not respond to oral iron therapy, intravenous iron administration is recommended. Furthermore, in certain conditions, such as end-stage kidney disease, chronic heart failure, and inflammatory bowel disease, intravenous iron administration has become first-line treatment. One of the first available intravenous iron preparations is iron sucrose (Venofer®), a nanomedicine that has been used clinically since 1949. Treatment with iron sucrose is particularly beneficial owing to its ability to rapidly increase hemoglobin, ferritin, and transferrin saturation levels, with an acceptable safety profile. Recently, important new data relating to the use of iron sucrose, including the findings from the landmark PIVOTAL trial in patients with end-stage kidney disease, have been reported. Several years ago, a number of iron sucrose similars became available, although there have been concerns about the clinical appropriateness of substituting the original iron sucrose with an iron sucrose similar because of differences in efficacy and safety. This is a result of the complex and unique physicochemical properties of nanomedicines such as iron sucrose, which make copying the molecule difficult and problematic. In this review, we summarize the evidence accumulated during 70 years of clinical experience with iron sucrose in terms of efficacy, safety, and cost-effectiveness.

SUBMITTER: Macdougall IC

PROVIDER: S-EPMC7467495 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Iron Sucrose: A Wealth of Experience in Treating Iron Deficiency.

Macdougall Iain C IC Comin-Colet Josep J Breymann Christian C Spahn Donat R DR Koutroubakis Ioannis E IE

Advances in therapy 20200415 5

Iron deficiency and iron-deficiency anemia are associated with increased morbidity and mortality in a wide range of conditions. In many patient populations, this can be treated effectively with oral iron supplementation; but in patients who are unable to take or who do not respond to oral iron therapy, intravenous iron administration is recommended. Furthermore, in certain conditions, such as end-stage kidney disease, chronic heart failure, and inflammatory bowel disease, intravenous iron admini ...[more]

PMID: 32297281

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Project description:Background and objectivesFew randomized controlled trials have compared intravenous iron products head to head in CKD patients with iron deficiency anemia. This study compared the efficacy and safety of two intravenous iron products (ferumoxytol [Feraheme injection] and iron sucrose [Venofer]) in patients with CKD and iron deficiency anemia.Design, setting, participants, & measurementsIn this phase II, randomized, open-label, active-controlled, multicenter clinical trial, patients were randomized 1:1 to either 1.02 g ferumoxytol (2 × 510-mg injections) or 1.0 g iron sucrose administered as either a slow injection or infusion (10 doses for dialysis patients and 5 doses for nondialysis patients). Inclusion criteria included hemoglobin<11.0 g/dl, transferrin saturation<30%, and eGFR<60 ml/min per 1.73 m(2) or a diagnosis of underlying CKD (e.g., nephropathy or nephritis). The primary end point was change in hemoglobin from baseline to week 5.ResultsIn total, 162 patients were randomized. Demographics were balanced between the treatment groups. Adverse event profiles of the two regimens were fairly similar: overall adverse events, 48% ferumoxytol versus 65% iron sucrose; related adverse events, 10% ferumoxytol versus 16% iron sucrose; and adverse events leading to study discontinuation, 1% ferumoxytol versus 5% iron sucrose. Rates of serious adverse events and related serious adverse events were similar between the ferumoxytol and iron sucrose groups: serious adverse events, 9% versus 7%, respectively and related serious adverse events, 1% versus 1%, respectively. Overall, increases in hemoglobin were similar between treatment groups. Based on an ANOVA model adjusted for baseline hemoglobin level and dialysis status, the least squares mean change from baseline to week 5 was 0.8 ± 0.1 g/dl in the ferumoxytol-treated group and 0.7 ± 0.1 g/dl in the iron sucrose group. The difference in the mean change from baseline between the two treatment groups was 0.1 g/dl (95% confidence interval, -0.2 to 0.4).ConclusionIn this randomized, controlled trial, ferumoxytol and iron sucrose showed comparable efficacy and adverse events rates.

Project description:BackgroundIron deficiency anaemia (IDA) is a major health issues and common type of nutritional deficiency worldwide. For IDA treatment, intravenous (IV) iron is a useful therapy.ObjectiveTo determine the efficacy and cost-effectiveness (CE) of intravenous (IV) Ferric Carboxymaltose (FCM) versus IV Iron Sucrose (IS) in treating IDA.Data sourcesElectronic medical record i.e. Cerner® system.Target populationAdults patients with iron deficiency anaemia.Time horizonA 12-month period (01/01/2018-31/12/2018).PerspectiveHamad Medical Corporation (HMC, a public hospital).InterventionIV Ferric Carboxymaltose versus IV Iron Sucrose.Outcome measuresWith regard to responses to treatment i.e., efficacy of treatment with FCM & IS in IDA patients, hemoglobin (Hgb), ferritin, and transferrin saturation (TSAT) levels were the primary outcomes. Additionally, the researchers also collected levels of iron, platelet, white blood cell (WBC), red blood cell (RBC), mean corpuscular hemoglobin (MCH), and mean corpuscular volume (MCV). The costs i.e. resources consumed (obtained from NCCCR-HMC) and the CE of FCM versus IS were the secondary outcomes.Results of base-case analysisThere was a significant improvement in Hgb, RBC and MCH levels in the IS group than the FCM group. The overall cost of IS therapy was significantly higher than FCM. The medication cost for FCM was approximately 6.5 times higher than IS, nonetheless, it is cheaper in terms of bed cost and nursing cost. The cost effectiveness (CE) ratio illustrated that FCM and IS were significantly different in terms of Hgb, ferritin and MCH levels. Further, Incremental Cost Effectiveness Ratio (ICER) indicated that further justifications and decisions need to be made for FCM when using Hgb, iron, TSAT, MCH and MCV levels as surrogate outcomes.Results of sensitivity analysisNot applicable.LimitationsThe study did not consider the clinical or humanistic outcome.ConclusionsThe higher cost of FCM versus IS can be offset by savings in healthcare personnel time and bed space. ICER indicated that further justifications and decisions need to be made for FCM when using Hgb, iron, TSAT, MCH and MCV levels as surrogate outcomes.

Project description:BackgroundIron deficiency anemia is highly prevalent in patients with chronic kidney disease and is often treated with intravenous iron. There are few trials directly comparing the safety and efficacy of different intravenous iron products.MethodsThis post-hoc analysis pooled data from 767 patients enrolled in two randomized, controlled, open-label trials of similar design comparing the treatment of iron deficiency anemia with ferumoxytol and iron sucrose across patients with all stages of renal function. One trial was conducted in adults with CKD either on or not on dialysis and the second in adults with IDA of any underlying cause and a history of unsatisfactory oral iron therapy or in whom oral iron could not be used who had normal to no worse than moderately impaired renal function. Patients were categorized by chronic kidney disease stage (i.e., estimated glomerular filtration rate), and the primary efficacy endpoint was the mean change in hemoglobin from Baseline to Week 5.ResultsThe overall incidence of adverse events was numerically lower in ferumoxytol-treated patients compared to those treated with iron sucrose (42.4 vs. 50.2 %, respectively); the incidence of treatment-related adverse events was generally similar between the two treatment groups (13.6 vs. 16.0 %, respectively). Adverse events of Special Interest (i.e., hypotension, hypersensitivity) occurred at lower rates in those treated with ferumoxytol compared to those treated with iron sucrose (2.5 vs. 5.3 %, respectively). Overall, mean hemoglobin increased in both treatment groups, regardless of degree of renal insufficiency, although greater increases were seen among those with less severe kidney damage. Mean increases in hemoglobin from Baseline to Week 5 were significantly greater with ferumoxytol than with iron sucrose treatment in the subgroup with an estimated glomerular filtration rate ≥90 mL/min (Least Squares mean difference = 0.53 g/dL; p < 0.001). There were no other consistent, significant differences in hemoglobin levels between treatment groups for the other chronic kidney disease categories except for isolated instances favoring ferumoxytol.ConclusionsThe efficacy and safety of ferumoxytol is at least comparable to iron sucrose in patients with varying degrees of renal function.Trial registration(CKD-201; ClinicalTrials.gov identifier: NCT01052779; registered 15 January, 2010), (IDA-302; ClinicalTrials.gov identifier: NCT01114204; registered 29 April, 2010).

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Iron Sucrose: A Wealth of Experience in Treating Iron Deficiency.

Publications

Iron Sucrose: A Wealth of Experience in Treating Iron Deficiency.

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