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Clinical Trial Summary

Anemia is a frequent complication of gastrointestinal bleeding, affecting 61% of the patients. Currently, anemia caused by gastrointestinal bleeding can be treated with iron supplementation. However, the dose and route of the administration are still a question. The FIERCE clinical trial aims to compare the effect of intravenous iron supplementation and oral iron replacement on mortality, unplanned emergency visits, and hospital readmissions in multimorbid patients with acute nonvariceal gastrointestinal bleeding.


Clinical Trial Description

In gastrointestinal bleeding (GIB) iron deficiency anemia (IDA) is a common complication, affecting more than 60% of the patients. There are two pillars of the treatment of acute GIB. First, the bleeding point needs identification and endoscopic treatment. Second, the resulting hypovolemia and anemia require fluid resuscitation, transfusion, and replacement of the lost iron. There are two simple ways to manage IDA after acute GIB. Patients either have intravenous (IV) iron infusions one to six times as part of their hospital treatment or receive three months of oral iron supplementation. There is a gap in current guidelines on which approach clinicians should choose. Here the investigators plan a multicentric, two-arm, randomized controlled trial, to compare the efficacy of oral and intravenous iron supplementation in multimorbid patients with acute nonvariceal gastrointestinal bleeding. Patients will be randomly allocated in a 1:1 ratio to two groups. Group A will receive one dose of 1000 mg of IV ferric carboxymaltose on the day of randomization, while iron supplementation for group B will be performed with one ferrous sulfate tablet every day (ca. 200-300 mg) for three months. The primary outcome will be the composite outcome of all-cause mortality, unplanned emergency visit, and unplanned hospital readmission within six months after enrollment. In the first phase, the investigators plan to recruit 15 patients on each arm to assess the proportion of the primary outcome in the two groups. In the second phase, a sample size calculation for the primary outcome will be performed based on the results of the first phase. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05060731
Study type Interventional
Source University of Pecs
Contact Bálint Eross, MD, PhD
Phone +3630/887-4028
Email [email protected]
Status Not yet recruiting
Phase Phase 4
Start date January 1, 2022
Completion date February 1, 2026

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