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Background: Localized cutaneous leishmaniasis (LCL) is a chronic ulcerating disease. A literature review identified inconsistencies in clinical trials. The aims of this study were to reach a consensus on the most important domains to measure when assessing LCL, agree on parameters to measure the domains, and develop a tool representing a Core Outcome Set (COS), for use in clinical assessment of LCL. Methodology & principal findings: A literature review was conducted to identify any existing COS for LCL embracing agreed Outcome Domains, i.e. what to measure and any Outcome Measurement Instruments (OMIs). As no COS was available, potential outcome domains for assessment of LCL were identified through an international collaborative approach using e-consultations and virtual discussions with expert stakeholders (n = 20) from geographically different LCL endemic countries. Subsequent judgmental validation process included a face-to-face multidisciplinary stakeholders' meeting adopting the Nominal Group Technique. A final consensual agreement on outcome domains and items required to measure these domains was established. "Clinical Cure" was defined as the ideal overall "General Concept". The five Core Outcome Domains included Signs capturing clinical morphology, diameter, and induration of an index lesion with the aid of a palpability score, Treatment Efficacy assessing percentage change in size of the lesion and re-epithelialization compared to baseline, Treatment Impact which included an investigator and patient visual analogue score, and Clinical Sequelae rating pigment change, atrophic and hypertrophic/keloid scars. It was agreed that two open-ended questions should be included to capture some aspects of Health-Related Quality of Life as a means of capturing a patient-focused approach. Conclusion: LeishCOM_LCL was generated to reflect a COS for LCL. This captured demographic details, agreed outcome domains and measures to assess these domains. Validation of LeishCOM_LCL will be reported in a separate paper. Development of a Patient Reported Outcome Measure will be considered in the future. Author summary: Localized cutaneous leishmaniasis (LCL) is a chronic ulcerating disease caused by the parasite Leishmania spp. Literature review identified inconsistencies in methods and parameters used to evaluate treatment/alternative-interventions resulting in difficulties in comparing new treatment/interventions in clinical trials. In our international consensual study, we adopted the face-to-face nominal group technique and a judgment process to identify domains key to assessment of LCL. Subsequent measures for each domain were used to form a Core Outcome Set (COS). LeishCOM_LCL was developed as an outcome measure instrument (OMI) to capture the COS incorporating existing and newly developed tools. "Clinical Cure" was agreed as the "General Concept" to be captured through five domains. It was agreed that "Signs" domain should capture clinical morphology, diameter, and induration of an index lesion with the aid of a palpability score. "Treatment Efficacy" was assessed by recording percentage change in size of the lesion and re-epithelialization compared to baseline. "Treatment Impact" was reflected through an investigator and the patient visual analogue score and "Clinical Sequelae" rated pigment change, atrophic/hypertrophic scars. Two open-ended questions were included to capture some aspects of "Health-Related Quality of Life". LeishCOM_LCL also records patient demographic details and was validated in a small cohort of patients. [ABSTRACT FROM AUTHOR]

Background Methods Results Conclusions A wide variety of dermocosmetics (products with both active skincare and cosmetic activity) are available for the management of acne vulgaris. These products are important because they may be the first line of approach for patients desiring to self‐treat and they can also have beneficial effects—reducing lesion counts and improving global acne severity. When used in conjunction with medical therapy, dermocosmetics can improve tolerability and enhance results. We reviewed available evidence and combined it with our clinical experience to help guide clinicians in selecting skincare products with acne‐targeting ingredients.An international panel of dermatologists with an interest and expertise in managing acne performed a literature review, formulated clinical questions related to the role of dermocosmetics in the acne setting, used a modified GRADE approach to evaluate available evidence and then utilized an online iterative Delphi process to create consensus recommendations. It should be noted that due to the limited number of available studies, the category of dermocosmetics was evaluated rather than specific ingredients.The quality of evidence was found to be low to moderate. Key recommendations were made based on available evidence for the use of dermocosmetics in acne to improve acne global assessment, reduce acne lesion counts, reduce superficial skin oiliness and serve as maintenance therapy after medical treatment, while providing a good tolerability. Recommendations were also made for using dermocosmetics as adjuncts to medical treatment.While there is a need for better quality evidence, dermocosmetics have demonstrated some benefit for acne both when used alone in its milder clinical presentations or in maintenance post acne medication and as adjunct to acne treatments. [ABSTRACT FROM AUTHOR]