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Guerra‐Tapia A, Martínez H, Nieto C, Ruiz Alonso C, Bermejo R, Carrón N, Garcia‐Segura S, Gonzalez‐Torres P, Palacios‐Martínez D, Bou L, Pérez M, De Lucas R. A new topical biotechnological phytocomplex for truncal mild-moderate acne restores skin microbiota balance. Skin Res Technol 2024; 30:e13806. [PMID: 39044362 PMCID: PMC11266433 DOI: 10.1111/srt.13806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 05/20/2024] [Indexed: 07/25/2024]
Abstract
BACKGROUND The disruption of the microbial community or dysbiosis alters the functional composition, metabolic activity, and local distribution of the microbiota leading the development of acne. The aim of this study is to evaluate the effect of a lotion containing a biotechnological phytocomplex, niacinamide, and succinic acid in the bacterial diversity of subjects with truncal mild-moderate acne and its clinical benefits due to microbiota changes. MATERIALS AND METHODS Open, clinical study in 43 subjects with truncal mild-moderate acne treated with a lotion for 8 weeks. Bacterial diversity was analyzed by 16S rRNA gene sequencing of skin samples. Clinical effects were evaluated through IGA acne severity scale, biometric measurements, and safety. RESULTS After 56 days of product's use, an increase in richness alpha diversity was found (p = 0.005), with a decrease in Cutibacterium acnes relative abundance (66.43% vs. 58.11%, p = 0.009). The clinical results showed a decrease in IGA score (27.59% decrease; p = 0.001), the inflammatory lesions (52.12% decrease, p = 0.006) and erythema (18.33% decrease, p = 0.007), and desquamation index (63.83% decrease, p = 0.02). The responder analysis of the IGA score showed that 60.47% of patients improved by at least one point at day 56. The product was well tolerated along the study. CONCLUSION The use of the lotion on acneic skin was effective on rebalancing the microbiota, inhibiting biofilm formation and other virulence factors, reducing erythema and desquamation, and improving acne's severity.
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Affiliation(s)
- Aurora Guerra‐Tapia
- Universidad Complutense de Madrid (UCM)Consulta Dermatólogas GuerraMadridSpain
| | | | - Carlos Nieto
- Laboratorio Reig Jofre S.ASant Joan DespiBarcelonaSpain
| | | | | | | | | | | | | | - Lola Bou
- Consulta de DermatologíaBarcelonaSpain
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2
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See JA, Chavda R, Kon KM, Goodman GJ, Oblepias MS, Nadela RE, Oon HH, Aurangabadkar S, Suh DH, Chan HHL, Lahiri K. A review of the topical management of acne and its associated sequelae in the Asia-Pacific region with a spotlight on trifarotene. Int J Dermatol 2024; 63:704-713. [PMID: 38643368 DOI: 10.1111/ijd.17141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/27/2024] [Accepted: 03/01/2024] [Indexed: 04/22/2024]
Abstract
Acne, a highly prevalent skin disease, can be particularly bothersome for patients of Asian background because of its impact on self-confidence and social interactions. In addition to active acne lesions, some patients may develop sequelae such as scarring, macular/postinflammatory hyperpigmentation, or erythema. The tendency of Asian skin to develop sequelae because of its increased susceptibility to irritation, cultural preferences for lighter skin phototypes, and differences in skincare regimens may all contribute to the increased burden of acne. Moreover, many Asia-Pacific countries do not have their own guidelines for acne management, and those that do often have no schedule in place for regular updates. In this article, we provide a critical review of the published guidance for the management of acne and its sequelae in the Asia-Pacific region, identifying gaps in current recommendations that could be addressed to enhance standards of acne care in Asia-Pacific countries. Along with highlighting the importance of a comprehensive skincare regimen to increase treatment efficacy and adherence, we discuss topical retinoids and retinoid combination options in the acne armamentarium that may be beneficial for sequelae prevention and management, such as adapalene 0.3% ± benzoyl peroxide 2.5%, tretinoin 0.05%, tazarotene 0.1%, and trifarotene 0.005%. In particular, trifarotene 0.005% has been observed to significantly reduce acne scar counts in a Phase 4 study. The recent data highlight the need to establish up-to-date guidance for acne and acne sequelae management in Asia-Pacific countries to provide optimal care to Asian patients.
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Affiliation(s)
- Jo-Ann See
- Central Sydney Dermatology, Sydney, NSW, Australia
| | | | - Khen M Kon
- Galderma ANZ, North Sydney, NSW, Australia
| | | | - Marie S Oblepias
- AcneCure Center, Parañaque, Philippines
- Medical Center Parañaque, Parañaque, Philippines
| | - Rosalina E Nadela
- Fatima University Medical Center, Antipolo City, Philippines
- The Holistic Dermatology Clinic, Quezon City, Philippines
| | - Hazel H Oon
- Division of Dermatology, National Skin Centre, Singapore, Singapore
| | | | - Dae H Suh
- Seoul National University College of Medicine, Seoul, South Korea
| | - Henry H L Chan
- Division of Dermatology, Department of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Koushik Lahiri
- Apollo Multispeciality Hospitals, Kolkata, India
- Wizderm Speciality Skin and Hair Clinic, Kolkata, India
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3
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Ko JY, Song CH, Kim KJ, Kim NI, Kim JE, Kim HS, Ro YS, Park KY, Park MY, Suh DH, Shin K, Shin MK, Ahn HH, Lee WJ, Lee WJ, Lee JH, Lee JB, Lee HW, Lee HJ, Jang MS, Cheong SH, Cho S, Choi YS, Choi YW, Choi H, Lee MW. Consensus Report on Truncal Acne: The Korean Acne and Rosacea Society Experts Panel. Ann Dermatol 2024; 36:35-43. [PMID: 38325432 PMCID: PMC10861305 DOI: 10.5021/ad.23.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/19/2023] [Accepted: 08/07/2023] [Indexed: 02/09/2024] Open
Abstract
BACKGROUND More than half of acne patients have truncal acne on their chest, back, and shoulders. However, since most studies on acne have focused on the face, data on clinical characteristics and proper management for truncal acne are insufficient. OBJECTIVE To establish a Korean Acne Rosacea Society (KARS) consensus for experts' perception and treatment patterns of truncal acne. METHODS We conducted two rounds of the Dephi technique to gather expert opinion and reach a consensus on truncal acne. The first round comprised 48 questionnaires focusing on various aspects such as epidemiology, clinical features, diagnosis, treatment, prognosis and more, while second rounds consisted of 26 questionnaires. RESULTS A total of 36 dermatologists (36/38 KARS members, 94.7%) completed this survey. In the first-round survey, consensus was reached on 20 out of the 48 questions (41.7%). In the second-round questionnaire, consensus was achieved on 9 of the 26 questions (34.6%). The most unresponsive lesion to truncal acne treatment was scars (atrophic/hypertrophic). The most commonly used treatments for each non-inflammatory and inflammatory truncal acne lesions were selected to use topical retinoids (78.1% of the responders) and oral antibiotics (93.8% of the responders). CONCLUSION Our study has yielded valuable insights into the epidemiology, clinical manifestations, diagnosis, treatment, and quality of life of patients with truncal acne. We anticipate that this study will inspire further comprehensive research for individuals with truncal acne.
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Affiliation(s)
- Joo Yeon Ko
- Department of Dermatology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Korea
| | - Chang Hwa Song
- Department of Dermatology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Korea
| | - Kwang Joong Kim
- Department of Dermatology, Hallym University Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Nack In Kim
- Kim Nack-In Dermatology Clinic, Seoul, Korea
| | - Jung Eun Kim
- Department of Dermatology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Hei Sung Kim
- Department of Dermatology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea
| | - Young Suck Ro
- Department of Dermatology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Korea
| | - Kui Young Park
- Department of Dermatology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
| | - Mi-Youn Park
- Department of Dermatology, National Medical Center, Seoul, Korea
| | - Dae Hun Suh
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Kihyuck Shin
- Department of Dermatology, Pusan National University Yangsan Hospital, Pusan University College of Medicine, Yangsan, Korea
| | - Min Kyung Shin
- Department of Dermatology, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul, Korea
| | - Hyo Hyun Ahn
- Department of Dermatology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Woo Jin Lee
- Department of Dermatology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Weon Ju Lee
- Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea
| | - Ju Hee Lee
- Department of Dermatology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jee Bum Lee
- Department of Dermatology, Chonnam National University Hospital, Chonnam University College of Medicine, Gwangju, Korea
| | | | - Hee Jung Lee
- Department of Dermatology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Min Soo Jang
- Department of Dermatology, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea
| | - Seung Hyun Cheong
- Department of Dermatology, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
| | - Soyun Cho
- Department of Dermatology, Seoul Metropolitan Government - Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Yu Sung Choi
- Department of Dermatology, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - You Won Choi
- Department of Dermatology, Ehwa Womans University Medical Center, Ewha Womans University College of Medicine, Seoul, Korea
| | - Hoon Choi
- Department of Dermatology, Chosun University Hospital, Chosun University College of Medicine, Gwangju, Korea
| | - Mi Woo Lee
- Department of Dermatology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
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Layton AM, Alexis A, Baldwin H, Bettoli V, Del Rosso J, Dirschka T, Dréno B, Gold LS, Harper J, Ko JY, Al Nuaimi K, Oon HH, Rajagopalan M, Rocha M, See JA, Weiss J, Tan J. The Personalized Acne Treatment Tool - Recommendations to facilitate a patient-centered approach to acne management from the Personalizing Acne: Consensus of Experts. JAAD Int 2023; 12:60-69. [PMID: 37274381 PMCID: PMC10236180 DOI: 10.1016/j.jdin.2023.03.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2023] [Indexed: 06/06/2023] Open
Abstract
Background Acne, a commonly treated skin disease, requires patient-centered management due to its varying presentations, chronicity, and impact on health-related quality of life. Despite this, evidence-based clinical guidelines focus primarily on clinical severity of facial acne, omitting important patient- and disease-related factors, including ongoing management. Objectives To generate recommendations to support patient-centered acne management, which incorporate priority and prognostic factors beyond conventional clinical severity, traditionally defined by grading the appearance and extent of visible lesions. Methods The Personalizing Acne: Consensus of Experts consisted of 17 dermatologists who used a modified Delphi approach to reach consensus on statements regarding patient- and treatment-related factors pertaining to patient-centered acne management. Consensus was defined as ≥75% voting "agree" or "strongly agree." Results Recommendations based on factors such as acne sequelae, location of acne, high burden of disease, and individual patient features were generated and incorporated into the Personalized Acne Treatment Tool. Limitations Recommendations are based on expert opinion, which may differ from patients' perspectives. Regional variations in healthcare systems may not be represented. Conclusions The Personalizing Acne: Consensus of Experts panel provided practical recommendations to facilitate individualized management of acne, based on patient features, which can be implemented to improve treatment outcomes, adherence, and patient satisfaction.
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Affiliation(s)
- Alison M. Layton
- Skin Research Centre, York University, York, UK
- Harrogate and District NHS Foundation Trust, Harrogate, UK
| | | | - Hilary Baldwin
- Robert Wood Johnson Medical Center, New Brunswick, New Jersey
- The Acne Treatment and Research Center, Brooklyn, New York
| | - Vincenzo Bettoli
- Dermatology Unit – Teaching Hospital, Azienda Ospedaliera, University of Ferrara, Ferrara, Italy
| | - James Del Rosso
- Advanced Dermatology and Cosmetic Surgery, Maitland, Florida
- JDR Dermatology Research, Las Vegas, Nevada
| | | | | | | | - Julie Harper
- Dermatology and Skin Care Center of Birmingham, Birmingham, Alabama
| | - Joo Yeon Ko
- Department of Dermatology, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Khaled Al Nuaimi
- Faculty of Medicine, Sharjah University, Sharjah, United Arab Emirates
| | - Hazel H. Oon
- Division of Dermatology, National Skin Centre, Singapore
| | | | - Marco Rocha
- Federal University of São Paulo, São Paulo, Brazil
| | - Jo-Ann See
- Central Sydney Dermatology, Sydney, New South Wales, Australia
| | | | - Jerry Tan
- Windsor Clinical Research Inc, Windsor, Ontario, Canada
- Department of Medicine, University of Western Ontario, Windsor, Ontario, Canada
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5
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Tan J, Chavda R, Baldwin H, Dreno B. Management of Acne Vulgaris With Trifarotene. J Cutan Med Surg 2023; 27:368-374. [PMID: 36927117 PMCID: PMC10486177 DOI: 10.1177/12034754231163542] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/25/2023] [Accepted: 02/16/2023] [Indexed: 03/18/2023]
Abstract
Topical retinoids have an essential role in treatment of acne. Trifarotene, a topical retinoid selective for retinoic acid receptor (RAR) γ, is the most recent retinoid approved for treatment of acne. RAR-γ is the most common isoform of RARs in skin, and the strong selectivity of trifarotene for RAR-γ translates to efficacy in low concentration. Trifarotene, like other topical retinoids, acts by increasing keratinocyte differentiation and decreasing proliferation, which reduces hyperkeratinization. Retinoids have also been shown to inhibit inflammatory pathways via effects on leukocyte migration, toll-like receptors, and Activator Protein (AP)-1. Large-scale randomized, controlled clinical trials have demonstrated trifarotene to be safe, well tolerated, and efficacious in reducing both comedones and papules/pustules of acne. However, unlike all other retinoids, trifarotene is the first topical retinoid with rigorous clinical data on safety and efficacy in truncal acne. Data supporting use of trifarotene to manage acne are reviewed in this publication.
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Affiliation(s)
- Jerry Tan
- Windsor Clinical Research Inc, Ontario, Canada
- Department of Medicine, University of Western Ontario, Windsor Campus, Canada
| | | | - Hilary Baldwin
- Robert Wood Johnson Medical Center, New Brunswick, New Jersey, USA
- The Acne Treatment and Research Center, Brooklyn, New York, USA
| | - Brigitte Dreno
- Dermato-cancerology Department, CHU Nantes, University of Nantes, France
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6
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Truncal Acne and Scarring: A Comprehensive Review of Current Medical and Cosmetic Approaches to Treatment and Patient Management. Am J Clin Dermatol 2023; 24:199-223. [PMID: 36539678 DOI: 10.1007/s40257-022-00746-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/27/2022] [Indexed: 12/24/2022]
Abstract
Acne vulgaris is one of the most common skin disorders worldwide. It typically affects skin areas with a high density of sebaceous glands such as the face, upper arms, chest, and/or back. Historically, the majority of research efforts have focused on facial acne vulgaris, even though approximately half of patients with facial lesions demonstrate truncal involvement. Truncal acne vulgaris is challenging to treat and poses a significant psychosocial burden on patients. Despite these characteristics, studies specifically examining truncal acne vulgaris are limited, with treatment guidelines largely derived from facial protocols. Therefore, truncal acne remains an understudied clinical problem. Here, we provide a clinically focused review on the epidemiology, evaluation, and available treatment options for truncal acne vulgaris. In doing so, we highlight knowledge gaps with the goal of spurring further investigation into the management of truncal acne vulgaris.
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7
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Tan J, Del Rosso JQ, Weiss JS, Layton AM, Bhatia ND, Arekapudi KL, Hougeir FG, Desai SR. Prevalence and Demographics of Truncal Involvement Among Acne Patients: Survey Data and a Review of the Literature. THE JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY 2022; 15:62-67. [PMID: 36312821 PMCID: PMC9586532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
BACKGROUND Truncal acne is frequently underdiagnosed despite affecting around half of those with facial acne. The objective was to provide an overview of the literature on the incidence of truncal acne according to age, gender, and acne severity. METHODS A narrative review of data from recent large surveys and a literature search in PubMed on the incidence of truncal acne across subgroups of age, gender, and acne severity. RESULTS The prevalence of truncal acne alone was low, ranging from <1% to 14%, but approximately 30 to 60 percent of individuals with facial acne also had truncal acne depending on the population. In an online survey in the United States of 2,000 respondents aged between 14 -29 years with self-reported active facial and/or truncal acne, the incidence of truncal acne was lower in the 14-20 years subgroup than in the 21-29 years subgroup (49% vs 54%). The incidence of truncal acne was similar in both males and females, while 46 percent of respondents with self-declared clear and mild acne indicated having truncal involvement compared to 60 percent of those with moderate or severe acne. LIMITATIONS Online surveys have inherent limitations, such as self-reporting and potential confounders. CONCLUSION Data suggests that patients with both facial and truncal involvement have earlier onset of acne and more severe acne. Additional adverse psychological impact may arise from having the impression that the disease is spreading and becoming more severe. Raising awareness of truncal acne prevalence and demographics could improve its clinical management to reduce the negative psychological impact.
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Affiliation(s)
- Jerry Tan
- Dr. Tan is with Windsor Clinical Research Inc. in Windsor, Ontario, Canada, and the Department of Medicine at the University of Western Ontario, London, Ontario, Canada
| | - James Q Del Rosso
- Dr. Del Rosso is with JDR Dermatology Research and Thomas Dermatology in Las Vegas, Nevada and Advanced Dermatology and Cosmetic Surgery in Maitland, Florida
| | - Jonathan S Weiss
- Dr. Weiss is with Georgia Dermatology Partners and Gwinnett Clinical Research Center Inc. in Snellville, Georgia
| | - Alison M Layton
- Dr. Layton is with the Department of Dermatology at Harrogate and District NHS Foundation Trust in Harrogate, United Kingdom
| | - Neal D Bhatia
- Dr. Bhatia is with Therapeutics Clinical Research in San Diego, California
| | | | - Firas G Hougeir
- Dr. Hougeir is with Southeast Dermatology Specialists in Douglasville, Georgia
| | - Seemal R Desai
- Dr. Desai is with the Department of Dermatology at The University of Texas Southwestern Medical Center in Dallas, Texas.Dr. Desai is also with Innovative Dermatology in Plano, Texas
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Truncal Acne: An Overview. J Clin Med 2022; 11:jcm11133660. [PMID: 35806952 PMCID: PMC9267677 DOI: 10.3390/jcm11133660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/16/2022] [Accepted: 06/22/2022] [Indexed: 02/04/2023] Open
Abstract
Acne is a relatively common disease of the pilosebaceous units. Many aspects of facial acne have been studied. However, there is limited evidence regarding truncal acne. Truncal acne is also observed in a significant number of patients, but it is often ignored by patients and clinicians. Although the pathogenesis of facial and trunk acne is considered to be similar, the characteristics of the skin on the trunk and face are thought to be different. As truncal acne can cause scars on large areas of the body and adversely affect the quality of life of patients, more attention should be given to patients with truncal acne. Although only a few studies have been published to date, the epidemiology, etiology, severity assessment tool, assessments of the quality of life, and new treatments targeting truncal acne are currently being studied. Therefore, in this review, the latest knowledge on truncal acne will be discussed.
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Tan J, Alexis A, Baldwin H, Beissert S, Bettoli V, Del Rosso J, Dréno B, Gold LS, Harper J, Lynde C, Thiboutot D, Weiss J, Layton AM. The Personalised Acne Care Pathway-Recommendations to guide longitudinal management from the Personalising Acne: Consensus of Experts. JAAD Int 2021; 5:101-111. [PMID: 34816135 PMCID: PMC8593752 DOI: 10.1016/j.jdin.2021.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/10/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Acne is a chronic disease with a varying presentation that requires long-term management. Despite this, the clinical guidelines for acne offer limited guidance to facilitate personalized or longitudinal management of patients. OBJECTIVES To generate recommendations to support comprehensive, personalized, long-term patient management that address all presentations of acne and its current and potential future burden. METHODS The Personalising Acne: Consensus of Experts panel consisted of 13 dermatologists who used a modified Delphi approach to reach consensus on statements related to longitudinal acne management. The consensus was defined as ≥75% voting "agree" or "strongly agree." All voting was electronic and blinded. RESULTS Key management domains, consisting of distinct considerations, points to discuss with patients, and "pivot points" were identified and incorporated into the Personalised Acne Care Pathway. Long-term treatment goals and expectations and risk of (or fears about) sequelae are highlighted as particularly important to discuss frequently with patients. LIMITATIONS Recommendations are based on expert opinion, which could potentially differ from patients' perspectives. Regional variations in health care systems may not have been captured. CONCLUSIONS The Personalised Acne Care Pathway provides practical recommendations to facilitate the longitudinal management of acne, which can be used by health care professionals to optimize and personalize care throughout the patient journey.
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Affiliation(s)
- Jerry Tan
- Windsor Clinical Research Inc, Windsor, Ontario, Canada
- Department of Medicine, University of Western Ontario, Windsor Campus, Ontario, Canada
| | | | - Hilary Baldwin
- Robert Wood Johnson Medical Center, New Brunswick, New Jersey
- The Acne Treatment and Research Center, Brooklyn, New York
| | - Stefan Beissert
- Department of Dermatology, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany
| | - Vincenzo Bettoli
- Dermatology Unit – Teaching Hospital, Azienda Ospedaliera, University of Ferrara, Ferrara, Italy
| | - James Del Rosso
- Thomas Dermatology, Las Vegas, Nevada
- JDR Dermatology Research, Las Vegas, Nevada
| | - Brigitte Dréno
- Dermato-cancérology Department, CHU Nantes, University of Nantes, Nantes, France
| | | | - Julie Harper
- Dermatology and Skin Care Center of Birmingham, Birmingham, Alabama
| | - Charles Lynde
- University of Toronto, Department of Medicine, Markham, Ontario, Canada
- Lynderm Research Inc, Markham, Ontario, Canada
| | - Diane Thiboutot
- Department of Dermatology, Pennsylvania State University College of Medicine, Hershey, Philadelphia
| | | | - Alison M. Layton
- Hull York Medical School, University of York, York, United Kingdom
- Harrogate and District NHS Foundation Trust, Harrogate, United Kingdom
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