An Emollient Containing Aquaphilus dolomiae Extract is Effective in the Management of Xerosis and Pruritus: An Internati

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ORIGINAL RESEARCH

An Emollient Containing Aquaphilus dolomiae Extract is Effective in the Management of Xerosis and Pruritus: An International, Real-World Study Mette Deleuran . Victor Georgescu . Catherine Jean-Decoster

Received: April 29, 2020 Ó The Author(s) 2020

ABSTRACT Introduction: Xerosis and pruritus are common manifestations of numerous dermatologic and systemic diseases. We evaluated the effectiveness of an emollient containing an Aquaphilus dolomiae extract (ADE-G1) for the management of pruritus and xerosis in patients of all age with a range of dermatologic and systemic diseases. Methods: This open-label, real-world study involved 5910 patients from 33 European, South American, Asian, and North and South African countries, who applied the product for 7 days twice daily to the face and body after the skin had been cleansed and dried. The physician assessed xerosis severity and patients assessed pruritus severity, the duration of itch, sleep quality, and the impact of their skin disease on their quality of life, using scales derived from Digital Features To view digital features for this article go to https://doi.org/10.6084/m9.figshare.12515222. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s13555020-00415-6) contains supplementary material, which is available to authorized users. M. Deleuran Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark V. Georgescu  C. Jean-Decoster (&) Laboratoires Dermatologiques Ave`ne, Pierre Fabre Dermo-Cosme´tique, Lavaur, France e-mail: [email protected]

the SCORing Atopic Dermatitis (SCORAD) index and questionnaires, at inclusion and after 7 days of use. Results: The 7-day care regimen resulted in 56% and 60% reductions in xerosis and pruritus severity, respectively, regardless of the underlying pathology (p \ 0.0001), with the largest decreases observed for patients with ichthyosis for xerosis and for patients post scabies treatment for pruritus. The mean sleep disturbance and mean total Dermatology Life Quality Index (DLQI) scores were also reduced by 58% and 60% (p \ 0.0001), respectively. The emollient was effective whether the product was used alone or in combination with topical or systemic treatments and was well tolerated. Conclusion: Our study shows that the 7-day regimen with the emollient was a universally effective treatment for pruritus and xerosis, regardless of the underlying pathology. Keywords: Aquaphilus dolomiae; Emollient; Pruritus; Quality of life; Real-world study; Xerosis

Dermatol Ther (Heidelb)

Key Summary Points Why carry out this study? Xerosis and pruritus are common manifestations of numerous dermatologic and systemic diseases and are associated with significant psychosocial morbidity and quality of life impairment. An emollient containing an extract of Aquaphilus dolomiae (ADE-G1) has been shown to be efficacious at reducing the severity of xerosis and pruritus in children with atopic dermatitis. This study aimed to investigate the effectiveness