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      Dermocosmetics for Use in Rosacea: Guideline of the Society for Dermopharmacy

      guideline

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          Abstract

          Rosacea is a widespread inflammatory skin disease that is chronically recurrent and affects predominately the central parts of the face. Affected individuals typically react to numerous cosmetics with redness, burning, and/or worsening of the complexion. Consequently, there is a high demand for dermocosmetics that do not provoke such reactions and are suitable for use in rosacea. The present guideline of the Society for Dermopharmacy describes the requirements that dermocosmetics for use in rosacea should meet. They include, inter alia, methods to prove the efficacy of and tolerance to these cosmetics, as well as the product documentation that the manufacturer or the distributing company should make available to professionals, like dermatologists and pharmacists, counseling patients with rosacea.

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          Most cited references41

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          Increased serine protease activity and cathelicidin promotes skin inflammation in rosacea.

          Acne rosacea is an inflammatory skin disease that affects 3% of the US population over 30 years of age and is characterized by erythema, papulopustules and telangiectasia. The etiology of this disorder is unknown, although symptoms are exacerbated by factors that trigger innate immune responses, such as the release of cathelicidin antimicrobial peptides. Here we show that individuals with rosacea express abnormally high levels of cathelicidin in their facial skin and that the proteolytically processed forms of cathelicidin peptides found in rosacea are different from those present in normal individuals. These cathelicidin peptides are a result of a post-translational processing abnormality associated with an increase in stratum corneum tryptic enzyme (SCTE) in the epidermis. In mice, injection of the cathelicidin peptides found in rosacea, addition of SCTE, and increasing protease activity by targeted deletion of the serine protease inhibitor gene Spink5 each increases inflammation in mouse skin. The role of cathelicidin in enabling SCTE-mediated inflammation is verified in mice with a targeted deletion of Camp, the gene encoding cathelicidin. These findings confirm the role of cathelicidin in skin inflammatory responses and suggest an explanation for the pathogenesis of rosacea by demonstrating that an exacerbated innate immune response can reproduce elements of this disease.
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            New insights into rosacea pathophysiology: a review of recent findings.

            Rosacea is a common, chronic inflammatory skin disease of poorly understood origin. Based on its clinical features (flushing, chronic inflammation, fibrosis) and trigger factors, a complex pathobiology involving different regulatory systems can be anticipated. Although a wealth of research has shed new light over recent years on its pathophysiology, the precise interplay of the various dysregulated systems (immune, vascular, nervous) is still poorly understood. Most authors agree on 4 major clinical subtypes of rosacea: erythematotelangiectatic rosacea, papulopustular rosacea, phymatous rosacea, and ocular rosacea. Still, it needs to be elucidated whether these subtypes develop in a consecutive serial fashion or if any subtypes may occur individually as part of a syndrome. Because rosacea often affects multiple family members, a genetic component is also suspected, but the genetic basis of rosacea remains unclear. During disease manifestation and early stage, the innate immune system and neurovascular dysregulation seem to be driving forces in rosacea pathophysiology. Dissection of major players for disease progression and in advanced stages is severely hampered by the complex activation of the innate and adaptive immune systems, enhanced neuroimmune communication, profound blood vessel and possibly lymphatic vessel changes, and activation of almost every resident cell in the skin. This review discusses some of the recent findings and aims to build unifying hypotheses for a modern understanding of rosacea pathophysiology.
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              Rosacea: I. Etiology, pathogenesis, and subtype classification.

              Rosacea is one of the most common conditions dermatologists treat. Rosacea is most often characterized by transient or persistent central facial erythema, visible blood vessels, and often papules and pustules. Based on patterns of physical findings, rosacea can be classified into 4 broad subtypes: erythematotelangiectatic, papulopustular, phymatous, and ocular. The cause of rosacea remains somewhat of a mystery. Several hypotheses have been documented in the literature and include potential roles for vascular abnormalities, dermal matrix degeneration, environmental factors, and microorganisms such as Demodex folliculorum and Helicobacter pylori. This article reviews the current literature on rosacea with emphasis placed on the new classification system and the main pathogenic theories. Learning objective At the conclusion of this learning activity, participants should be acquainted with rosacea's defining characteristics, the new subtype classification system, and the main theories on pathogenesis.
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                Author and article information

                Journal
                SPP
                Skin Pharmacol Physiol
                10.1159/issn.1660-5527
                Skin Pharmacology and Physiology
                S. Karger AG
                1660-5527
                1660-5535
                2018
                May 2018
                29 March 2018
                : 31
                : 3
                : 147-154
                Affiliations
                [_a] aIrmgardis Pharmacy, Viersen, Germany
                [_b] bApokindl, Vaterstetten, Germany
                [_c] cbioskin GmbH, Hamburg, Germany
                [_d] dDepartment of Dermatology and Allergology, Ludwig-Maximilians University, Munich, Germany
                Author notes
                *Joachim Kresken, GD Gesellschaft für Dermopharmazie e.V., Gustav-Heinemann-Ufer 92, DE–50968 Cologne (Germany), E-Mail joachim.kresken@gd-online.de
                Article
                486688 Skin Pharmacol Physiol 2018;31:147–154
                10.1159/000486688
                29597196
                be27a1db-7cb6-4ada-919f-0ab57fe18b44
                © 2018 S. Karger AG, Basel

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                History
                : 09 January 2018
                : 09 January 2018
                Page count
                Pages: 8
                Categories
                GD Communication

                Oncology & Radiotherapy,Pathology,Surgery,Dermatology,Pharmacology & Pharmaceutical medicine
                Guideline,Product documentation,Efficacy,Rosacea,Tolerance,Dermocosmetics,Society for Dermopharmacy

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