Serum zinc concentration and history of isCGM contact dermatitis in type 1 diabetes

Abstract Background In insulin treatment for type 1 diabetes, intermittent scanning continuous glucose monitoring (isCGM: FreeStyle® Libre), in which a sensor is adhered to the skin, is often used to monitor blood glucose fluctuations and manage glucose levels. Zinc-deficient skin is reportedly more...

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Main Authors: Mitsunobu Kubota, Shizuka Matsuda, Mimu Matsuda, Shinji Maeda, Sayo Yoshiyama
Format: Article
Language:English
Published: BMC 2025-05-01
Series:Journal of Health, Population and Nutrition
Subjects:
Online Access:https://doi.org/10.1186/s41043-025-00927-x
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author Mitsunobu Kubota
Shizuka Matsuda
Mimu Matsuda
Shinji Maeda
Sayo Yoshiyama
author_facet Mitsunobu Kubota
Shizuka Matsuda
Mimu Matsuda
Shinji Maeda
Sayo Yoshiyama
author_sort Mitsunobu Kubota
collection DOAJ
description Abstract Background In insulin treatment for type 1 diabetes, intermittent scanning continuous glucose monitoring (isCGM: FreeStyle® Libre), in which a sensor is adhered to the skin, is often used to monitor blood glucose fluctuations and manage glucose levels. Zinc-deficient skin is reportedly more susceptible to primary irritant rashes. This study investigated whether zinc deficiency is associated with a history of contact dermatitis caused by isCGM in patients with type 1 diabetes. Methods The subjects comprised 55 patients (23 men, 32 women, age 57.9 ± 17.6 years) with type 1 diabetes who were outpatients at our department and had a history of isCGM use. We examined the history of contact dermatitis due to isCGM in relation to serum zinc concentration. Results Serum zinc was significantly lower in those with history of contact dermatitis (23 subjects) compared to those without (32 subjects) (P = 0.033). History of contact dermatitis due to isCGM was negatively associated with both age (β =  − 0.266, P = 0.040) and zinc deficiency category (β =  − 0.315, P = 0.017). Conclusions For people undergoing treatment for type 1 diabetes for whom skin problems caused by isCGM are a barrier to glucose management, screening of serum zinc concentration may be important.
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spelling doaj-art-3ebbd0b2d93441db8b4b2e05f566e76d2025-08-20T03:53:58ZengBMCJournal of Health, Population and Nutrition2072-13152025-05-014411710.1186/s41043-025-00927-xSerum zinc concentration and history of isCGM contact dermatitis in type 1 diabetesMitsunobu Kubota0Shizuka Matsuda1Mimu Matsuda2Shinji Maeda3Sayo Yoshiyama4Department of Endocrinology and Diabetology, National Hospital Organization Kure Medical Center and Chugoku Cancer CenterDepartment of Endocrinology and Diabetology, National Hospital Organization Kure Medical Center and Chugoku Cancer CenterDepartment of Endocrinology and Diabetology, National Hospital Organization Kure Medical Center and Chugoku Cancer CenterDepartment of Endocrinology and Diabetology, National Hospital Organization Kure Medical Center and Chugoku Cancer CenterDepartment of Endocrinology and Diabetology, National Hospital Organization Kure Medical Center and Chugoku Cancer CenterAbstract Background In insulin treatment for type 1 diabetes, intermittent scanning continuous glucose monitoring (isCGM: FreeStyle® Libre), in which a sensor is adhered to the skin, is often used to monitor blood glucose fluctuations and manage glucose levels. Zinc-deficient skin is reportedly more susceptible to primary irritant rashes. This study investigated whether zinc deficiency is associated with a history of contact dermatitis caused by isCGM in patients with type 1 diabetes. Methods The subjects comprised 55 patients (23 men, 32 women, age 57.9 ± 17.6 years) with type 1 diabetes who were outpatients at our department and had a history of isCGM use. We examined the history of contact dermatitis due to isCGM in relation to serum zinc concentration. Results Serum zinc was significantly lower in those with history of contact dermatitis (23 subjects) compared to those without (32 subjects) (P = 0.033). History of contact dermatitis due to isCGM was negatively associated with both age (β =  − 0.266, P = 0.040) and zinc deficiency category (β =  − 0.315, P = 0.017). Conclusions For people undergoing treatment for type 1 diabetes for whom skin problems caused by isCGM are a barrier to glucose management, screening of serum zinc concentration may be important.https://doi.org/10.1186/s41043-025-00927-xSerum zinc concentrationIntermittent scanning continuous glucose monitorType 1 diabetesContact dermatitis
spellingShingle Mitsunobu Kubota
Shizuka Matsuda
Mimu Matsuda
Shinji Maeda
Sayo Yoshiyama
Serum zinc concentration and history of isCGM contact dermatitis in type 1 diabetes
Journal of Health, Population and Nutrition
Serum zinc concentration
Intermittent scanning continuous glucose monitor
Type 1 diabetes
Contact dermatitis
title Serum zinc concentration and history of isCGM contact dermatitis in type 1 diabetes
title_full Serum zinc concentration and history of isCGM contact dermatitis in type 1 diabetes
title_fullStr Serum zinc concentration and history of isCGM contact dermatitis in type 1 diabetes
title_full_unstemmed Serum zinc concentration and history of isCGM contact dermatitis in type 1 diabetes
title_short Serum zinc concentration and history of isCGM contact dermatitis in type 1 diabetes
title_sort serum zinc concentration and history of iscgm contact dermatitis in type 1 diabetes
topic Serum zinc concentration
Intermittent scanning continuous glucose monitor
Type 1 diabetes
Contact dermatitis
url https://doi.org/10.1186/s41043-025-00927-x
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AT mimumatsuda serumzincconcentrationandhistoryofiscgmcontactdermatitisintype1diabetes
AT shinjimaeda serumzincconcentrationandhistoryofiscgmcontactdermatitisintype1diabetes
AT sayoyoshiyama serumzincconcentrationandhistoryofiscgmcontactdermatitisintype1diabetes