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Clinical Trial Summary

The study aims is to evaluate the efficacy of intravenous iron supplementation on celiac disease remission (total intestinal mucosal recovery). This randomized multicenter trial compare the administration of intravenous iron by infusion (Ferinject©: 15 mg/kg in NaCl solution in 30 min) and oral iron in combination; to patients receive only oral iron as standard care. The first benefit with IV Iron supplementation is to correct iron deficiency more rapidly than oral iron alone because of trouble of absorption in case of intestinal villous atrophy.

Clinical Trial Description

Celiac disease is an autoimmune-like disorder induced in genetically predisposed individuals by dietary proteins from wheat (gluten). Its frequency reaches 1% in Europe. In celiac patients, gluten induces small intestinal villous atrophy and, as a consequence, malnutrition. Celiac disease treatment relies on a long-life strict gluten-free diet that allows clinical and histological recovery and prevents long-term complications (autoimmune diseases, osteoporosis and malignancies). Remission is attested by total villous recovery on duodenal biopsy performed after one year of gluten free diet. Yet, in adults, systematic follow-up of biopsies for several years after gluten free diet initiation has recently revealed persistent villous atrophy in more than 40 % of cases with an increased risk in older patients (up to 56%). Lack of mucosal healing has been associated with the risk of complications in celiac, notably a risk factor for fractures and lymphoma. It is therefore necessary to define strategies to obtain and accelerate full recovery. Iron deficiency is strongly associated with celiac disease and is generally viewed as a consequence of small intestinal lesions and a symptom of malnutrition. Our preliminary clinical retrospective study showed more frequent iron deficiency anemia in celiac patients with (20/70; 29%) than without (11/88; 12.5%) villous atrophy (p = 0.015; OR: 2.78). Our previous experimental study suggests that iron deficiency may sustain tissue damage and delay mucosal recovery in celiac disease. Indeed the transferrin receptor (CD71) is overexpressed in the gut epithelium in case of iron deficiency and can interact with secretory IgA1 present in large amounts in the intestinal lumen of CD patients. Crosslinking of CD71 by polymeric IgA1 can induce production of inflammatory cytokines. Our working hypothesis is therefore that iron deficiency maintains aberrant expression of CD71 at the gut epithelial surface that sustains intestinal inflammation and epithelial damage. Iron supplementation of celiac patients with villous atrophy and iron deficiency may accelerate mucosal healing, villous recovery and remission. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT05114278
Study type Interventional
Source Assistance Publique - Hôpitaux de Paris
Contact Karine GOUDE-ORY, MSc
Phone +33144841722
Email [email protected]
Status Not yet recruiting
Phase Phase 4
Start date November 15, 2021
Completion date January 15, 2026

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