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Aliment Pharmacol Ther. 2017 May;45(10):1303-1318. doi: 10.1111/apt.14043. Epub 2017 Mar 21.

Systematic review with network meta-analysis: comparative efficacy and tolerability of different intravenous iron formulations for the treatment of iron deficiency anaemia in patients with inflammatory bowel disease.

Author information

1
Hacettepe University, Faculty of Health Sciences, Ankara, Turkey.
2
Interdisciplinary Crohn Colitis Centre Rhein-Main, Frankfurt/Main, Germany.
3
Hacettepe University, Faculty of Sciences, Ankara, Turkey.
4
Pharmazentrum frankfurt, Institute of Pharmacology and Toxicology, Hospital of the Goethe University, Frankfurt/Main, Germany.
5
Agaplesion Markus Krankenhaus, Department of Gastroenterology, Frankfurt/Main, Germany.
6
DGD Clinics Sachsenhausen, Department of Gastroenterology and Clinical Nutrition, Frankfurt/Main, Germany.

Abstract

BACKGROUND:

Iron deficiency anaemia (IDA) is a common complication of inflammatory bowel disease (IBD) associated with reduced quality of life and increased hospitalisation rates. While the best way of treating IDA in IBD patients is not clearly established, current European guidelines recommend intravenous iron therapy in IBD patients with severe anaemia or intolerance to oral iron compounds.

AIM:

To compare the efficacy and tolerability of different intravenous iron formulations used to treat IDA in IBD patients in a systematic review and Bayesian network meta-analysis (NMA), PROSPERO registration number: 42016046565.

METHODS:

In June 2016, we systematically searched for studies analysing efficacy and safety of intravenous iron for IDA therapy in IBD. Primary outcome was therapy response, defined as Hb normalisation or increase ≥2 g/dL.

RESULTS:

Five randomised, controlled trials (n = 1143 patients) were included in a network meta-analysis. Only ferric carboxymaltose was significantly more effective than oral iron [OR=1.9, 95% CrI: (1.1;3.2)]. Rank probabilities showed ferric carboxymaltose to be most effective, followed by iron sucrose, iron isomaltose and oral iron. Pooled data from the systematic review (n = 1746 patients) revealed adverse event rates of 12.0%, 15.3%, 12.0%, 17.0% for ferric carboxymaltose, iron sucrose, iron dextran and iron isomaltose respectively. One drug-related serious adverse event (SAE) each was reported for ferric carboxymaltose and iron isomaltoside, and one possibly drug-related SAE for iron sucrose.

CONCLUSIONS:

Ferric carboxymaltose was the most effective intravenous iron formulation, followed by iron sucrose. In addition, ferric carboxymaltose tended to be better tolerated. Thus, nanocolloidal IV iron products exhibit differing therapeutic and safety characteristics and are not interchangeable.

PMID:
28326596
DOI:
10.1111/apt.14043
[Indexed for MEDLINE]
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