Celiac Disease After Administration of Immune Checkpoint Inhibitors: A Case Report

Immune checkpoint inhibitors (ICI) reinvigorate the immune system to recognize and destroy tumor cells. Because of this biological mechanism, patients might develop autoimmune toxicities, notably in the digestive tract (most frequently, hepatitis or colitis). A 70-year-old man with relapsed mesothel...

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Veröffentlicht in:Frontiers in immunology 2021-12, Vol.12, p.799666
Hauptverfasser: Leblanc, Julie, Hoibian, Solene, Boucraut, Agathe, Ratone, Jean-Philippe, Stoffaes, Louis, Dano, Domitille, Louvel-Perrot, Delphine, Chanez, Brice, Chretien, Anne-Sophie, Madroszyk, Anne, Rochigneux, Philippe
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Sprache:eng
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Zusammenfassung:Immune checkpoint inhibitors (ICI) reinvigorate the immune system to recognize and destroy tumor cells. Because of this biological mechanism, patients might develop autoimmune toxicities, notably in the digestive tract (most frequently, hepatitis or colitis). A 70-year-old man with relapsed mesothelioma was treated with nivolumab in 3rd line. He was hospitalized for watery and foul-smelling diarrhea. He underwent gastrointestinal endoscopy, showing duodenitis and villous atrophy and measurement of serum IgA antibodies to tissue transglutaminase (tTG-IgA+), leading to the diagnosis of ICI-induced celiac disease. He was treated with steroids, proton pump inhibitors, and a gluten-free diet. If ICI-induced celiac disease is rare in the literature, increasing reports suggest that celiac disease might represent an underestimated ICI toxicity. This case highlights the necessity of complementary investigation (including tTG-IgA and endoscopic biopsies) in patients with atypical digestive symptoms during immunotherapy.
ISSN:1664-3224
1664-3224
DOI:10.3389/fimmu.2021.799666