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KMID : 0363220200580090575
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Korean Journal of Dermatology
2020 Volume.58 No. 9 p.575 ~ p.582
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The Efficacy and Safety of Zinc-alpha-2 Glycoprotein (ZAG) Containing Moisturizer in Atopic Dermatitis
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Kim Su-Min
Chu Howard
Lee Kwang-Hoon
Park Chang-Ook
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Abstract
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Background: Patients with atopic dermatitis (AD) are vulnerable to xerosis due to impaired skin barrier function, which makes moisturizing essential. Recently, zinc-alpha-2 glycoprotein (ZAG) has appeared to modulate the skin barrier function in AD, and has been proposed as a potential therapeutic molecule in AD.
Objective: This study aimed to evaluate the effects of a ZAG-containing moisturizer on restoration of the skin barrier and clinical improvement of AD.
Methods: In this randomized, double-blind study, 42 patients (average age, 26.5 years) with mild-to-moderate AD were enrolled. The subjects were divided into two groups, ZAG-containing moisturizer or control, in which the intervention or control were applied twice a day for 4 weeks. The primary outcome was a change in the eczema area and severity index (EASI) after 4 weeks, and the secondary outcome included the transepidermal water loss (TEWL), corneometer, visual assessment score (VAS) for pruritus and sleep disturbance, and investigator’s global assessment (IGA).
Results: ZAG-containing moisturizer was well-tolerated, with a significant decrease in the EASI score compared to the control group after 4 weeks of application (p＜0.05). As objective assessments of skin barrier function, TEWL also showed a significant, rapid decrease in the ZAG group compared to the control group after 2 weeks of application (p＜0.05). A significant improvement in AD symptoms was observed at 4 weeks, such as the VAS score for pruritus and sleep disturbance, and IGA.
Conclusion: The moisturizer containing ZAG (By the doctor Ato repair creamⓡ, Whitecospharm, Korea) effectively restored the function of the skin barrier, which led to a relief in the signs and symptoms of AD.
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KEYWORD
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Atopic dermatitis, Moisturizer, Skin barrier, Zinc-alpha-2 glycoprotein
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