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A case of atopic dermatitis complicated by limbal stem cell deficiency during long-term treatment with dupilumab Kosuke Oya 1 , Koji Kakisu 1 , Yukinobu Okajima 1 , Takashi Suzuki 1 , Yuichi Hori 1 1Department of Ophthalmology, Toho University Faculty of Medicine pp.1557-1562
Published Date 2025/12/15
DOI https://doi.org/10.11477/mf.037055790790131557
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Abstract Purpose:We report a case of atopic dermatitis complicated by limbal stem cell deficiency(LSCD) during long-term treatment with dupilumab treatment(Dupixent® subcutaneous injection 300 mg).

Case:A 46 year-old female patient was referred to our hospital with decreased visual acuity due to bilateral corneal opacities. Visual acuity was 0.03 in the right eye and 0.06 in the left eye. She was diagnosed with LSCD due to severe conjunctival hyperemia, conjunctival encroachment from the entire cornea, and shortening of the conjunctival sac in both eyes. On interview, she reported starting dupilumab for atopic dermatitis 2.5 years prior. She later developed conjunctivitis and was prescribed ophthalmic drops by her primary care physician but had since stopped visiting the hospital. Based on the clinical course and findings, the patient was diagnosed with dupilumab-associated conjunctivitis(DAC), and treatment was initiated with steroid, immunosuppressive, and corneal-protective eye drops, and insertion of a tear plug. After 6 months of treatment, the inflammation resolved and visual acuity improved to 0.7 in both eyes, however full-area conjunctival encroachment and shortening of the conjunctival sac persisted.

Conclusion:In this case, prolonged inadequate treatment for DAC led to LSCD. Although the inflammation resolved with treatment, the shortening of the conjunctival sac persisted. Dupilumab blocks IL-13, which is involved in conjunctival goblet cell proliferation and mucin expression1). Therefore, Rebamipede® eye drops(Rebamipide ophthalmic suspension 2%) may be a useful adjunctive treatment for DAC, alongside immunosuppressive and steroid eye drops, due to their anti-inflammatory effects and potential to increase conjunctival goblet cell. Early ophthalmological intervention is important for patients with DAC.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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