Perioperative medicine & outcomes

Intravenous ferric derisomaltose for preoperative anemia in abdominal surgery

J Clin AnesthPublished Single-arm prospective trial with post-hoc matched controls

Main finding · Change in Hb from baselineResult — go to the resultMD 1.88 g/dL 95 % CI 1.40–2.36

Authors' conclusion

In this preliminary report with limited sample size, our findings suggest that a single preoperative dose of 1000 mg of IV ferric derisomaltose improves hemoglobin levels.

Study context

Population
Adults with preoperative iron deficiency anemia (hemoglobin (Hb) ≤ 12 g/dL, and ferritin<30 ng/mL or transferrin saturation < 20 %) scheduled for abdominal surgery
Participants
36 treated patients
Exposure
Intravenous (IV) ferric derisomaltose vs Control
  • IV ferric derisomaltosen = 36
Outcome
Change in Hb from baseline
Follow-up
3-4 weeks after drug administration

Main finding

As reported in the abstract

MD

1.88 g/dL

95 % CI 1.40–2.36

IV ferric derisomaltose vs Control
MD 1.88 g/dL (95 % CI 1.40–2.36)

Observational data: associations, not effects.

Further findings

OutcomeMD (g/dL) (95 % CI)
Change in Hb from baseline, after surgeryvs baseline0.67 (0.16–1.17)
OutcomeOR (95 % CI)
In-hospital blood transfusion ratePost-hoc analysis1.00 (0.29–3.48)

Hb improvement, moderate-to-severe (Hb ≤ 10 g/dL) vs mild pre-infusion anemia (subgroup)

Significantly superior improvement in Hb with moderate-to-severe vs mild anemia
P = 0.03

Original publication

Intravenous ferric derisomaltose for preoperative anemia in abdominal surgery. J Clin Anesth. Published 3 January 2026. doi:10.1016/j.jclinane.2025.112107

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