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Hypophosphataemia after treatment of iron deficiency with intravenous ferric carboxymaltose or iron isomaltoside-a systematic review and meta-analysis.

Publication ,  Journal Article
Schaefer, B; Tobiasch, M; Viveiros, A; Tilg, H; Kennedy, NA; Wolf, M; Zoller, H
Published in: British journal of clinical pharmacology
May 2021

Hypophosphataemia is an increasingly recognized side-effect of ferric carboxymaltose (FCM) and possibly iron isomaltoside/ferric derisomaltose (IIM), which are used to treat iron deficiency. The aim of this study was to determine frequency, severity, duration and risk factors of incident hypophosphataemia after treatment with FCM and IIM.A systematic literature search for articles indexed in EMBASE, PubMed and Web of Science in years 2005-2020 was carried out using the search terms 'ferric carboxymaltose' OR 'iron isomaltoside'. Prospective clinical trials reporting outcomes on hypophosphataemia rate, mean nadir serum phosphate and/or change in mean serum phosphate from baseline were selected. Hypophosphataemia rate and severity were compared for studies on IIM vs. FCM after stratification for chronic kidney disease. Meta-regression analysis was used to investigate risk factors for hypophosphataemia.Across the 42 clinical trials included in the meta-analysis, FCM induced a significantly higher incidence of hypophosphataemia than IIM (47%, 95% CI 36-58% vs. 4%, 95% CI 2-5%), and significantly greater mean decreases in serum phosphate (0.40 vs. 0.06 mmol/L). Hypophosphataemia persisted at the end of the study periods (maximum 3 months) in up to 45% of patients treated with FCM. Meta-regression analysis identified low baseline serum ferritin and transferrin saturation, and normal kidney function as significant predictors of hypophosphataemia.FCM is associated with a high risk of hypophosphataemia, which does not resolve for at least 3 months in a large proportion of affected patients. More severe iron deficiency and normal kidney function are risk factors for hypophosphataemia.

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Published In

British journal of clinical pharmacology

DOI

EISSN

1365-2125

ISSN

0306-5251

Publication Date

May 2021

Volume

87

Issue

5

Start / End Page

2256 / 2273

Related Subject Headings

  • Prospective Studies
  • Pharmacology & Pharmacy
  • Maltose
  • Hypophosphatemia
  • Humans
  • Fibroblast Growth Factor-23
  • Ferric Compounds
  • Disaccharides
  • Anemia, Iron-Deficiency
  • Administration, Intravenous
 

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Schaefer, B., Tobiasch, M., Viveiros, A., Tilg, H., Kennedy, N. A., Wolf, M., & Zoller, H. (2021). Hypophosphataemia after treatment of iron deficiency with intravenous ferric carboxymaltose or iron isomaltoside-a systematic review and meta-analysis. British Journal of Clinical Pharmacology, 87(5), 2256–2273. https://doi.org/10.1111/bcp.14643
Schaefer, Benedikt, Moritz Tobiasch, André Viveiros, Herbert Tilg, Nicholas A. Kennedy, Myles Wolf, and Heinz Zoller. “Hypophosphataemia after treatment of iron deficiency with intravenous ferric carboxymaltose or iron isomaltoside-a systematic review and meta-analysis.British Journal of Clinical Pharmacology 87, no. 5 (May 2021): 2256–73. https://doi.org/10.1111/bcp.14643.
Schaefer B, Tobiasch M, Viveiros A, Tilg H, Kennedy NA, Wolf M, et al. Hypophosphataemia after treatment of iron deficiency with intravenous ferric carboxymaltose or iron isomaltoside-a systematic review and meta-analysis. British journal of clinical pharmacology. 2021 May;87(5):2256–73.
Schaefer, Benedikt, et al. “Hypophosphataemia after treatment of iron deficiency with intravenous ferric carboxymaltose or iron isomaltoside-a systematic review and meta-analysis.British Journal of Clinical Pharmacology, vol. 87, no. 5, May 2021, pp. 2256–73. Epmc, doi:10.1111/bcp.14643.
Schaefer B, Tobiasch M, Viveiros A, Tilg H, Kennedy NA, Wolf M, Zoller H. Hypophosphataemia after treatment of iron deficiency with intravenous ferric carboxymaltose or iron isomaltoside-a systematic review and meta-analysis. British journal of clinical pharmacology. 2021 May;87(5):2256–2273.
Journal cover image

Published In

British journal of clinical pharmacology

DOI

EISSN

1365-2125

ISSN

0306-5251

Publication Date

May 2021

Volume

87

Issue

5

Start / End Page

2256 / 2273

Related Subject Headings

  • Prospective Studies
  • Pharmacology & Pharmacy
  • Maltose
  • Hypophosphatemia
  • Humans
  • Fibroblast Growth Factor-23
  • Ferric Compounds
  • Disaccharides
  • Anemia, Iron-Deficiency
  • Administration, Intravenous