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    • Skin Appendage Disord. 2022 Nov;8(6):462-468. doi: 10.1159/000525024. Epub 2022 Jun 7. ABSTRACT INTRODUCTION: The present study aimed to obtain fundamental data, including climate conditions and Demodex mites, on rosacea and similar diseases in the situation where the wearing of face masks is mandatory due to the coronavirus disease 2019 pandemic. METHODS: We enrolled 86 Japanese patients habitually wearing face masks with rosacea and similar diseases. Disease severity was assessed using the Investigator Global Assessment. The presence of Demodex mites was examined microscopically. Treatment involved acaricidal and antibiotic agents. RESULTS: The numbers of male and female patients enrolled were 11 and 75, respectively. Among these patients, 85 (98.8%), 57 (66.3%), and 76 (88.4%) had rosacea, rosacea-like dermatitis (RLD), and demodicosis, respectively. The monthly number of patients with rosacea and demodicosis showed two peaks from May to June and in October, during which monthly mean temperature was approximately 20°C (68°F). Improvement rates in rosacea, RLD, and demodicosis were significantly higher when Demodex mites were no longer detected after treatment. CONCLUSION: The present results suggest that a season with a mean temperature of approximately 20°C is a risk factor for rosacea and similar diseases in individuals wearing face masks in Japan, and a decrease in Demodex mites is associated with the attenuation of symptoms. PMID:36407649 | PMC:PMC9672874 | DOI:10.1159/000525024 {url} = URL to article
    • J Cosmet Laser Ther. 2022 Nov 17:1-6. doi: 10.1080/14764172.2022.2147953. Online ahead of print. ABSTRACT A chemical peel is chemexfoliation, a process of application of a chemical substance to the skin that causes controlled chemical destruction of the epidermis with or without part of the dermis leading to skin regeneration and remodeling. It can be classified depending upon the depth of penetration into superficial, medium, and deep peels. Among various indications, peels can be used to enhance treatment within a variety of conditions including skin- rejuvenation, inflammatory disorders like acne, rosacea, acne scar, and pigmentary disorders like melasma, freckles, lentigens, dyschromia, and post-inflammatory pigmentation. We did a chemical peel for six patients with facial melanosis, diagnosed with Riehl melanosis. All patients had visible clinical improvement. Detailed history and informed consent were taken both for photographs and procedures from all patients. PMID:36384385 | DOI:10.1080/14764172.2022.2147953 {url} = URL to article
    • J Clin Aesthet Dermatol. 2022 Nov;15(11):69-74. ABSTRACT OBJECTIVE: Subantibiotic dose doxycycline (SDD40), formulated as a modified-release 40mg capsule administered once daily, is used to treat inflammatory lesions of rosacea. In order to investigate whether the patient's weight or lesion severity impacts clinical outcomes with using SDD40, the efficacy and safety of SDD40 in treating rosacea were evaluated in randomized controlled studies (RCTs). METHODS: Phase II, III, and IV RCTs, and a subsequent meta-analysis were described. For all studies, the primary efficacy endpoint was the change in total inflammatory lesion count (papules, pustules, and nodules) from baseline to Week 16. For one of the studies, body weights were categorized by BMI (body mass index). Secondary efficacy endpoints included the change in Investigator's Global Assessment (IGA). Safety was assessed by monitoring adverse events (AEs). RESULTS: The efficacy of SDD40 was consistent across the studies (two trials including n=72 and n=91 subjects) and meta-analysis (n=127 and n=142). SDD40 remained effective regardless of baseline disease severity and weight (with a weak correlation coefficient below 0.75); overweight or obese subjects with severe rosacea cleared at least as well if not better than those with a normal BMI and mild disease. The treatment was well tolerated with no to minimal gastrointestinal-related AEs. LIMITATIONS: Retrospective analyses have methodological limitations. CONCLUSION: Consistency between study results including the meta-analysis supports the effectiveness and safety of SDD40, irrespective of the weight of the patient or rosacea severity based on inflammatory lesion count at baseline. PMID:36381182 | PMC:PMC9651154 {url} = URL to article
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