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Background: As exposure to UV radiation is the primary modifiable environmental risk factor associated with skin cancer, it remains the principal focus of most prevention strategies. Numerous sun protection campaigns have been implemented worldwide; however, their impact on the actual incidence and mortality rates of skin cancer seems to be limited. To create successful skin cancer prevention campaigns, it is important to have a comprehensive understanding of individuals' attitudes and behaviours regarding sun protection. The aim of the current study was to determine and report on the prevalence of self‐reported attitudes, knowledge and behaviours regarding two of the major sun protection recommendations—avoidance of sun exposure and use of sunscreens—in an international representative sample across five continents. Methods: This cross‐sectional study was conducted in 20 countries using a web‐based online survey. Findings: A total of 50,552 individuals, comprising 25,388 men (50.22%) and 25,164 women (49.78%), participated in the survey. Among them, 83.2% reported having been voluntarily exposed to the sun (for sun‐basking reasons) at least once in the last 12 months, and 47.96% acknowledged being exposed to the sun between the hours of 10 AM and 4 PM. The primary reason for non‐adherence was that these hours were the most convenient times (32.28%). Only 24.05% reported applying sunscreen every 2 h when outdoors. Forgetfulness was the primary reason as provided by 27.79% of participants. Males and older age groups were less likely to adopt sun‐protective behaviours around the world. Forgetfulness and the challenges posed by time constraints seem to be the biggest barriers to proper adherence. Interpretation: These findings should prompt the collaboration with health authorities and the manufacturers to enhance adherence by setting reasonable sunscreen prices and creating formulations that make their application less burdensome. [ABSTRACT FROM AUTHOR]

Efficacy and safety of ritlecitinib (an oral JAK3/TEC family kinase inhibitor) were evaluated in patients with nonsegmental vitiligo (NSV) across Fitzpatrick skin types (FSTs). Patients with FST I‐III ('light skin'; n = 247) and FST IV‐VI ('dark skin'; n = 117) received once‐daily ritlecitinib 50 mg (with/without 4‐week loading dose), low‐dose ritlecitinib or placebo for 24 weeks. At baseline, patients with light skin displayed higher CLM‐1 and NCR1 serum levels than patients with dark skin (p < 0.05). At 24 weeks, ritlecitinib 50 mg improved the extent of depigmentation measured by percent change from baseline in facial‐vitiligo area scoring index (placebo‐adjusted mean difference [90% CI]) in patients with light (−15.2 [−24.7, −5.8]; p = 0.004) and dark (−37.4 [−50.3, −24.4]; p < 0.0001) skin, with continuous re‐pigmentation through week 48. Treatment‐emergent adverse events were similar across FSTs. At weeks 4 and 24, ritlecitinib 50 mg reduced CXCL11 serum levels (p < 0.001) in patients with light skin, whereas patients with dark skin had increased levels at week 4 (p = 0.05) and no significant change at week 24. Ritlecitinib 50 mg decreased IL‐9 and IL‐22 expression levels in dark skin compared with light skin (qPCR; p < 0.05). These differences in immune dysregulations may explain why NSV patients with dark skin respond to therapy earlier than patients with light skin. [ABSTRACT FROM AUTHOR]

The article explores the occurrence of nonmelanoma skin cancer (NMSC) in vitiligo patients using ruxolitinib cream, a topical Janus kinase (JAK) inhibitor. Six patients experienced NMSC events, primarily in White adults with predisposing risk factors, but most events were mild and not directly linked to the cream. The study did not establish a clear connection between ruxolitinib plasma concentrations and NMSC development, suggesting the need for additional research to confirm these findings. [Extracted from the article]

Background Vitiligo is the most common cause of skin depigmentation worldwide. Patients with vitiligo may experience stigma and this needs to be addressed. Objectives To evaluate stigma in patients with vitiligo, search for associated factors and establish severity strata for the Patient Unique Stigmatization Holistic tool in Dermatology (PUSH-D) for patients with vitiligo. Methods We conducted a cross-sectional study in ComPaRe Vitiligo, an e-cohort of adult patients with vitiligo. Stigmatization was assessed using the PUSH-D, a recently validated dermatology-specific stigmatization assessment tool. We conducted univariate and multivariable linear regression to identify patient and disease factors associated with the stigmatization. We used an anchor-based approach to define severity strata for the PUSH-D. Results In total, 318 patients participated (mean age 49.7 years; 73.9% women). Fitzpatrick skin phototype IV–VI, severe facial involvement (high Self-Assessment Vitiligo Extent Score of the face) and depression (high Patient Health Questionnaire-9 score) were positively -associated with a higher stigmatization score, although this association was weak [ r = 0.24 (P < 0.001) and r = 0.30 (P < 0.001), respectively]. PUSH-D cutoff values that best discriminated patients with high and low stigma, as defined by the anchor question, were 13 and 23 (κ = 0.622, 95% confidence interval 0.53–0.71). Conclusions Our study is the first to use a skin-specific stigmatization tool to assess stigma in patients with vitiligo. Creating strata helps to better interpret the PUSH-D in daily practice and may facilitate its use in clinical trials. [ABSTRACT FROM AUTHOR]

Background Cutaneous neurofibromas (cNF) are considered one of the highest burdens of neurofibromatosis type 1 (NF1). To date, no medical treatment can cure cNF or prevent their development. In that context, there is an urgent need to prepare and standardize the methodology of future trials targeting cNF. Objectives The objective was to develop a core outcome domain set suitable for all clinical trials targeting NF1-associated cNF. Methods The validated approach of this work consisted of a three-phase methodology: (i) generating the domains [systematic literature review (SLR) and qualitative studies]; (ii) agreeing (three-round international e-Delphi consensus process and working groups); and (iii) voting. Results (i) The SLR and the qualitative studies (three types of focus groups and a French e-survey with 234 participants) resulted in a preliminary list of 31 candidate items and their corresponding definitions. (ii) A total of 229 individuals from 29 countries participated in the first round of the e-Delphi process: 71 patients, relatives or representatives (31.0%), 130 healthcare professionals (HCPs, 56.8%) and 28 researchers, representatives of a drug regulatory authority, industry or pharmaceutical company representatives or journal editors (12.2%). The overall participation rate was 74%. After round 2, five candidate items were excluded. Between rounds 2 and 3, international workshops were held to better understand the disagreements among stakeholders. This phase led to the identification of 19 items as outcome subdomains. (iii) The items were fused to create four outcome domains ('clinical assessment', 'daily life impact', 'patient satisfaction' and 'perception of health') and prioritized. The seven items that did not reach consensus were marked for the research agenda. The final core outcome domain set reached 100% of the votes of the steering committee members. Conclusions Although numerous outcomes can be explored in studies related to cNF in NF1, the present study offers four outcome domains that should be reported in all trial studies, agreed on by international patients, relatives and representatives of patients; HCPs; researchers, representatives of drug regulatory authorities or pharmaceutical companies and journal editors. The next step will include the development of a set of core outcome measurement instruments to further standardize how these outcomes should be assessed. [ABSTRACT FROM AUTHOR]

Background: Childhood exposure to ultraviolet radiation (UVR) plays an important role in the development of keratinocyte carcinomas and melanomas. Therefore, sun protective measures ought to be implemented during early childhood. Young children are largely dependent upon adult care providers in order to achieve proper sun protection. Objectives: To develop effective photoprotection in children, it is necessary to understand caregivers' attitudes and knowledge about UVR exposure. This study aimed to explore the variables associated with sun protective behaviour in parents and grandparents during summer vacations. Methods: A multinational, cross-sectional study was conducted using a web-based online survey with a representative sample of parents and grandparents of children aged ≤ 12 years, who cared for their children/grandchildren for at least 2 weeks during the summer of 2021, in five countries (France, Germany, Spain, Italy and the USA). Multiple correspondence analysis (MCA) was used to explore in an unbiased way the possible relationships among all the variables and to identify specific profiles. Results: A total of 6190 adult participants responded to the questionnaire: 5104 parents (average age 42.0 years, 54.3% women) and 1086 grandparents (average age 64.2 years, 55.5% women). MCA allowed discrimination of two groups of respondents based on their answers: a profile with 'unprotected sun exposure habits' vs. those with 'protective sun exposure habits'. Parents fell in closer proximity to the 'unprotected sun exposure habits', and 'sunburn reported in youngest child'. Grandparents adopted more cautious behaviours than parents. Nevertheless, grandparents fell in proximity to 'having exposed the grandchild to the sun between 11 h and 17.00 h', 'not using an umbrella' and 'not using sunglasses'. Conclusions: Although grandparents appear to adopt more cautious behaviours than parents, many gaps in proper sun protection behaviour were observed in both groups of caregivers. Young children are largely dependent upon adult care providers' in achieving proper sun protection. In this study we surveyed 5104 parents and 1086 grandparents regarding their sun protective attitudes and behaviours during the summer vacations. Although grandparents appear to adopt more cautious behaviours than parents, many gaps in proper sun protection behaviour have been highlighted in both caregivers. Important preventive messages to be targeted at grandparents are avoidance of sun exposure when ultraviolet radiation tends to be strongest (11.00–17.00 h), and the use of other strategies for sun protection. Both parents and grandparents might benefit from information regarding proper sunscreen use. [ABSTRACT FROM AUTHOR]

Background: Vitiligo is a chronic autoimmune disease resulting in skin depigmentation. Objectives: This study assessed the prevalence, disease burden and treatment of vitiligo in France. Methods: VIOLIN was a cross‐sectional study nested in the national CONSTANCES cohort, which consists of randomly selected adults aged 18–69 years in France. In VIOLIN, longitudinal data were collected prospectively from 158,898 participants during 2012–2018 and linked to the National Health Data System (SNDS), a healthcare utilization database. Patients with physician‐diagnosed vitiligo were matched (1:3) with control participants based on age, sex, geographic region, year of inclusion and skin phototype. Patients completed a questionnaire in 2022 to collect disease characteristics, disease burden and quality‐of‐life (QoL) data. Results: Vitiligo prevalence was 0.71% (681/95,597) in 2018. The mean age in the vitiligo population was 51.2 years; 51.4% were women. Most patients (63%) were diagnosed before age 30 years, mainly by dermatologists (83.5%). Most patients (81.1%) had visible lesions (i.e. on face, hands). Vitiligo was limited to <10% of the body surface area (BSA) in 85.8% of patients. Comorbidities including thyroid disease (18.0% vs. 9.0%), psoriasis (13.7% vs. 9.7%), atopic dermatitis (12.4% vs. 10.3%), depression (18.2% vs. 14.6%) and alopecia areata (4.3% vs. 2.4%) were significantly more common in patients with vitiligo versus matched controls (n = 2043). QoL was significantly impaired in patients with >5% BSA involvement or visible lesions, particularly with ≥10% facial involvement. Vitiligo‐specific instruments (i.e. Vitiligo Impact Patient scale and Vitiligo‐specific QoL instrument) were more sensitive to QoL differences among subgroups versus general skin instruments, and generic instruments were least sensitive. Most patients (83.8%) did not receive any prescribed treatment. Conclusions: Patients with vitiligo in France have a high disease burden, particularly those with visible lesions or higher BSA involvement. Most patients are not receiving treatment, highlighting the need for new effective treatments and patient/physician education. [ABSTRACT FROM AUTHOR]

Background: The treatment of vitiligo can be challenging and depends on several factors such as the subtype, disease activity, vitiligo extent, and treatment goals. Vitiligo usually requires a long‐term approach. To improve the management of vitiligo worldwide, a clear and up‐to‐date guide based on international consensus with uniform stepwise recommendations is needed. Objectives: To reach an international consensus on the nomenclature and to develop a management algorithm for the diagnosis, assessment, and treatment of vitiligo. Methods: In this consensus statement, a consortium of 42 international vitiligo experts and four patient representatives participated in online and live meetings to develop a consensus management strategy for vitiligo. At least two vitiligo experts summarized the evidence of topics included in the algorithms. A survey was utilized to resolve remaining issues among a core group of eight experts. Subsequently, the unanimous recommendations were finalized and validated based on further input from the entire group during two live meetings. Results: The algorithms highlight the importance of shared decision‐making. Dermatologists are encouraged to provide patients with detailed explanations of the prognosis and expected therapeutic outcomes based on clinical examination. The treatment goal should be discussed and clearly emphasized to patients given the different approaches for disease stabilization and repigmentation. The evaluation of disease activity remains a cornerstone in the tailor‐made approach to vitiligo patients. Conclusions: These new treatment algorithms are intended to guide clinical decision‐making in clinical practice. Promising novel therapies for vitiligo are on the horizon, further highlighting the need for reliable outcome measurement instruments and greater emphasis on shared decision‐making. [ABSTRACT FROM AUTHOR]

Background: The treatment of vitiligo can be challenging. Up‐to‐date agreed consensus recommendations on the use of topical and systemic therapies to facilitate the clinical management of vitiligo are currently lacking. Objectives: To develop internationally agreed‐upon expert‐based recommendations for the treatment of vitiligo. Methods: In this consensus statement, a consortium of 42 international vitiligo experts and four patient representatives participated in different online and live meetings to develop a consensus management strategy for vitiligo. At least two vitiligo experts summarized the evidence for different topics included in the algorithms. A survey was then given to a core group of eight experts to resolve the remaining issues. Subsequently, the recommendations were finalized and validated based on further input from the entire group during two live meetings. Results: The recommendations provided summarize the latest evidence regarding the use of topical therapies (steroids, calcineurin inhibitors and Jak‐inhibitors) and systemic therapies, including steroids and other systemic immunomodulating or antioxidant agents. The different modalities of phototherapies (NB‐UVB, photochemotherapy, excimer devices and home phototherapy), which are often combined with other therapies, are also summarized. Interventional approaches as well as depigmentation strategies are presented for specific indications. Finally, the status of innovative and targeted therapies under development is discussed. Conclusions: This international consensus statement culminated in expert‐based clinical practice recommendations for the treatment of vitiligo. The development of new therapies is ongoing in vitiligo, and this will likely improve the future management of vitiligo, a disease that still has many unmet needs. [ABSTRACT FROM AUTHOR]

Clinician‐reported outcome measures (ClinROMs) are essential for assessment of vitiligo in clinical trials and daily practice. Several instruments have been developed and tested to measure, for example, vitiligo extent, repigmentation and activity. The goal of this review was to identify all introductory publications of ClinROMs for vitiligo that include at least some aspects of validation and to describe the instruments' characteristics, intention for use and practical strengths and limitations. A search strategy was conducted in PubMed, Embase and Cochrane Library (CENTRAL) from inception to July 2022. Based on the literature search (n = 2860), 10 articles were identified, describing 14 different ClinROMs. Six ClinRoms measured disease extent and/or repigmentation, seven evaluated disease activity and one was a composite score. The Vitiligo Area Scoring Index (VASI), and Vitiligo Extent Score (VES and VESplus) measure overall disease extent and/or repigmentation. The VASI relies on hand units (1% body surface area), whereas the VES and VESplus use a picture‐based scoring technique. The Vitiligo Extent Score for a Target Area (VESTA) measures repigmentation percentage for target lesions. One global assessment score for extent has been validated. Vitiligo disease activity scores included a static measure of clinical activity signs (Vitiligo Signs of Activity Score [VSAS]) and two measures assessing dynamic evolution (Vitiligo Disease Activity Score [VDAS] and Vitiligo Disease Improvement Score [VDIS]). The Vitiligo European Task Force assessment tool (VETFa) is a composite score. Depending on the practical strengths and limitations as well as the research question and setting (clinical trials vs. daily practice), the choice of an appropriate ClinROM may differ. Fourteen ClinROMs in vitiligo were identified to measure vitiligo extent, repigmentation, and activity. Further research evaluating the validity, reliability, and responsiveness of each instrument and worldwide consensus on which instrument to use for a specific outcome (domain) is greatly needed. [ABSTRACT FROM AUTHOR]