repigmentation

重新色素沉着
  • 文章类型: Journal Article
    背景:白癜风是一种自身免疫性疾病,导致皮肤色素脱失。患有白癜风的人承受着巨大的社会心理负担,并对他们的治疗表示沮丧。这里,我们描述了白癜风的负担,以及对两项定性访谈研究参与者之间有意义变化的看法。
    方法:对来自鲁索替尼乳膏(研究1)和真实世界小组(研究2)的两项关键3期临床试验的青少年和成人白癜风参与者亚组进行了定性访谈。参与者被问及他们的疾病负担,治疗目标,面部/身体改善的重要性(治疗满意度:0-10范围),和意义的变化(是/否)。
    结果:共有36名来自研究1的参与者和23名来自研究2的参与者进行了访谈。在研究1中,影响程度最高的是自尊降低(面部病变,62.5%;身体病变,55.6%),社会抑制(面部病变,65.6%;身体病变,61.1%),和阳光敏感性(面部病变,31.3%;身体病变,55.6%)。大多数参与者(83.3%)报告说,面部改善与身体改善同等重要(36.1%)或更重要(47.2%)。平均治疗满意度分别为8.1和6.9。根据面部白癜风面积评分指数,83.3%和92.9%的参与者报告了有意义的变化,50-74%和≥75%的改善。分别,在第24周,根据研究1的结果,白癜风地区评分指数总改善≥25%的参与者为82.6%。在研究2中,大多数(82.6%)参与者认为白癜风的明显性影响了他们的行为。几乎所有人(87.0%)表示,理想的治疗方法会使面部皮肤重新着色或恢复自然色;56.5%的人认为面部色素沉着≥50%是最小的有意义的改善。
    结论:两次定性访谈的参与者都表现出巨大的社会心理负担。面部和身体白癜风的色素恢复都很重要,有意义的变化确定为≥50%的面部色素沉着和≥25%的身体色素沉着。
    白癜风是一种自身免疫性疾病,会导致皮肤上出现白色斑块,影响全球约2%的人。患有白癜风的人通常由于他们的疾病而生活质量差,并且经常不相信治疗有效。我们探索了白癜风患者对他们的疾病的感觉,问他们对治疗有什么希望。对来自美国和加拿大的两项临床研究(研究1)的36名青少年和成人白癜风患者进行了单独的电话采访,来自真实世界小组(研究2)的23名青少年和成人白癜风患者。研究1的人说,他们的白癜风使他们自尊心低,感到孤独。大多数人说,将颜色恢复到脸上的白色斑点同样重要或更重要(即,色素沉着)比身体。大多数人在脸上实现超过50%的色素沉着或在身体上超过25%的色素沉着对他们的治疗感到满意。在研究2中,大多数人说他们的疾病影响了他们的行为,几乎所有人都说完全恢复面部皮肤的颜色(即,100%色素沉着)很重要。超过一半的人说,他们认为重要的最小变化是超过50%的面部色素沉着。总之,白癜风患者在两项访谈研究中表示,他们的白癜风影响了他们的生活质量。在这些研究中,大多数白癜风患者报告说,重要的是面部色素超过50%,身体色素超过25%。
    BACKGROUND: Vitiligo is an autoimmune disease, causing skin depigmentation. Individuals with vitiligo incur substantial psychosocial burden and have expressed frustration with their treatments. Here, we describe the burden of vitiligo and opinions on what constitutes meaningful change among participants of two qualitative interview studies.
    METHODS: Qualitative interviews were conducted with a subgroup of adolescent and adult participants with vitiligo from two pivotal phase 3 clinical trials of ruxolitinib cream (Study 1) and a real-world panel (Study 2). Participants were asked about their disease burden, treatment goals, importance of facial/body improvement (treatment satisfaction: scale range 0-10), and meaningfulness of change (yes/no).
    RESULTS: A total of 36 participants from Study 1 and 23 from Study 2 were interviewed. In Study 1, the highest degree of impact was on reduced self-esteem (facial lesions, 62.5%; body lesions, 55.6%), social inhibition (facial lesions, 65.6%; body lesions, 61.1%), and sun sensitivity (facial lesions, 31.3%; body lesions, 55.6%). Most participants (83.3%) reported that facial improvement was equally (36.1%) or more important (47.2%) than body improvement, with mean treatment satisfaction of 8.1 and 6.9, respectively. Meaningful change was reported by 83.3% and 92.9% of participants with 50-74% and ≥ 75% improvement per the facial Vitiligo Area Scoring Index, respectively, and by 82.6% of participants with ≥ 25% improvement per the total Vitiligo Area Scoring Index per Study 1 outcomes at Week 24. In Study 2, most (82.6%) participants felt that the noticeability of their vitiligo affected their behavior. Nearly all (87.0%) said that an ideal treatment would repigment or return natural color to their facial skin; 56.5% considered ≥ 50% facial repigmentation to be the smallest meaningful improvement.
    CONCLUSIONS: Participants from both qualitative interviews expressed substantial psychosocial burden. Repigmentation in both facial and body vitiligo were important, with meaningful change determined to be ≥ 50% facial repigmentation and ≥ 25% body repigmentation.
    Vitiligo is an autoimmune disease that causes white patches to appear on the skin, affecting about 2% of people worldwide. People with vitiligo often have poor quality of life due to their disease and frequently do not believe that treatments work. We explored how people with vitiligo felt about their disease, and asked what hopes they had for treatment. Individual telephone interviews were conducted with 36 adolescents and adults with vitiligo from two clinical studies (Study 1) and 23 adolescents and adults with vitiligo from a real-world panel (Study 2) in the USA and Canada. Those from Study 1 said that their vitiligo caused them to have low self-esteem and to feel lonely. Most said that it was as important or more important to restore color to white patches on their face (i.e., repigmentation) than the body. Most achieving repigmentation of more than 50% on the face or more than 25% on the body were pleased with their treatment. In Study 2, most people said that their disease affected their behavior, and nearly all said that completely restoring color to their facial skin (i.e., 100% repigmentation) was important. Over half said that the smallest change they thought was important was more than 50% facial repigmentation. In short, people with vitiligo in two interview studies said that their vitiligo affected their quality of life. Most people with vitiligo in these studies reported that it was important to repigment more than 50% on the face and more than 25% on the body.
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  • 文章类型: Journal Article
    背景:本研究报告了面部和总白癜风区域评分指数定量临床仪器的心理测量测试(F-VASI[范围:0-3],T-VASI[范围:0-100],分别)使用来自两个随机化的第三阶段的数据,鲁索利替尼乳膏(TRuE-V1/TRuE-V2)的载体对照研究,迄今为止进行的最大的白癜风试验。由于监管机构要求进行VASI评估,我们评估了VASI仪器的心理测量特性,并确认了有临床意义的变化的阈值.
    方法:TRuE-V1/TRuE-V2全分析集人群包括652例患者(年龄≥12岁,非节段白癜风影响≤10%的全身表面积,基线时F-VASI≥0.5,T-VASI≥3)。使用面部和总患者对白癜风的整体印象(PaGIC-V)和医师的全球白癜风评估(PhGVA)量表收集的数据作为指标来评估F-VASI和T-VASI的可靠性。有效性,对变化的敏感性,和临床意义的变化。
    结果:中值F-VASI和T-VASI分别为0.70和6.76,在基线,在第24周下降到0.48和4.80。F-VASI(组内相关系数[ICC]:0.943)和T-VASI(ICC:0.945)的筛选和基线之间的重测可靠性优异。在根据PaGIC-V和PhGVA的稳定患者中,F-VASI(ICC:0.891和0.739)和T-VASI(ICC:0.768和0.686)的可靠性为中等至良好.在基线和第24周,F-VASI和T-VASI在PhGVA类别轻度/中度/重度之间分化良好。两种VASI仪器在第24周检测到通过与PaGIC-V得分的相关性评估的变化(F-VASI,r=0.610;T-VASI,r=0.512)和PhGVA评分从基线到第24周的变化(F-VASI,r=0.501;T-VASI,r=0.344)。每个PaGIC-V和PhGVA的临床意义改善的阈值对于F-VASI为0.38-0.60,对于T-VASI为1.69-3.88。
    结论:来自TRuE-V1/TRuE-V2研究的数据证实,F-VASI和T-VASI是可靠的,有效,对变化做出反应,在非节段白癜风患者中,与基线相比有明确的临床意义变化。
    背景:原始研究在ClinicalTrials.gov:NCT04052425/NCT04057573注册。
    白癜风是一种皮肤病,会导致白色(脱色)皮肤斑块,影响全球0.5-2.0%的人。白癜风患者经常说,恢复皮肤白色斑块的颜色(色素沉着)很重要。根据TRuE-V1和TRuE-V23期研究的结果,Ruxolitinib乳膏在美国和欧洲被批准用于成人和青少年白癜风的局部治疗。在这些研究中,每天两次使用鲁索利替尼乳膏,直至52周,导致大量色素沉着,通过面部和总白癜风面积评分指数(F-VASI/T-VASI)评估。我们旨在确认哪些F-VASI/T-VASI评分的变化代表了医生和白癜风患者的有意义的改善。我们将VASI评分的变化与其他两种用于评估白癜风的工具的结果进行了比较。一种工具基于医生评估(医师的全球白癜风评估[PhGVA]);另一种工具基于患者评估(患者对白癜风的整体印象变化[PaGIC-V])。分析包括652名白癜风患者的临床试验数据。经过6个月的治疗,中位F-VASI和T-VASI评分大幅下降,表明色素沉着的改善。根据PhGVA和PaGIC-V,我们发现对于被认为更严重的疾病,VASI评分更高。VASI评分的变化与PhGVA和PaGIC-V评分的变化大致一致。我们发现F-VASI和T-VASI是评估白癜风的可靠工具,并证实F-VASI评分0.38-0.60和T-VASI评分1.69-3.88的改善代表白癜风患者体内10%的有意义的色素沉着。
    BACKGROUND: This study reports psychometric testing of the facial and total Vitiligo Area Scoring Index quantitative clinical instruments (F-VASI [range: 0-3], T-VASI [range: 0-100], respectively) using data from two phase 3 randomized, vehicle-controlled studies of ruxolitinib cream (TRuE-V1/TRuE-V2), the largest vitiligo trials conducted to date. Because VASI assessment is required by regulatory authorities, we evaluated the psychometric properties of the VASI instruments and confirmed thresholds for clinically meaningful change.
    METHODS: The TRuE-V1/TRuE-V2 full analysis set population included 652 patients (≥ 12 years old with nonsegmental vitiligo affecting ≤ 10% total body surface area, F-VASI ≥ 0.5, and T-VASI ≥ 3 at baseline). Data collected using the facial and total Patient Global Impression of Change-Vitiligo (PaGIC-V) and Physician\'s Global Vitiligo Assessment (PhGVA) scales were used as anchors to assess F-VASI and T-VASI for reliability, validity, sensitivity to change, and clinically meaningful change.
    RESULTS: Median F-VASI and T-VASI scores were 0.70 and 6.76, respectively, at baseline, decreasing to 0.48 and 4.80 at week 24. Test-retest reliability was excellent between screening and baseline for F-VASI (intraclass correlation coefficient [ICC]: 0.943) and T-VASI (ICC: 0.945). Among stable patients per PaGIC-V and PhGVA, reliability was moderate to good for both F-VASI (ICC: 0.891 and 0.739, respectively) and T-VASI (ICC: 0.768 and 0.686). F-VASI and T-VASI differentiated well among PhGVA categories mild/moderate/severe at baseline and week 24. Both VASI instruments detected changes assessed by correlations with PaGIC-V scores at week 24 (F-VASI, r = 0.610; T-VASI, r = 0.512) and changes in PhGVA scores from baseline to week 24 (F-VASI, r = 0.501; T-VASI, r = 0.344). Thresholds for clinically meaningful improvement per PaGIC-V and PhGVA were 0.38-0.60 for F-VASI and 1.69-3.88 for T-VASI.
    CONCLUSIONS: Data from the TRuE-V1/TRuE-V2 studies confirmed that F-VASI and T-VASI are reliable, valid, and responsive to change, with defined clinically meaningful change from baseline in patients with nonsegmental vitiligo.
    BACKGROUND: The original studies were registered at ClinicalTrials.gov: NCT04052425/NCT04057573.
    Vitiligo is a skin disease that causes patches of white (depigmented) skin and affects 0.5–2.0% of people worldwide. People with vitiligo often say that restoring color to white patches of skin (repigmentation) is important. Ruxolitinib cream is approved in the USA and Europe for topical treatment of vitiligo in adults and adolescents based on results from the phase 3 TRuE-V1 and TRuE-V2 studies. In these studies, applying ruxolitinib cream twice daily up to 52 weeks resulted in substantial repigmentation, as assessed by the facial and total Vitiligo Area Scoring Index (F-VASI/T-VASI). We aimed to confirm which changes in F-VASI/T-VASI scores represented meaningful improvement for doctors and people with vitiligo. We compared changes in VASI scores with results from two other tools used to assess vitiligo. One tool was based on doctor assessment (Physician’s Global Vitiligo Assessment [PhGVA]); the other was based on patient assessment (Patient Global Impression of Change–Vitiligo [PaGIC-V]). The analysis included clinical trial data for 652 people with vitiligo. After 6 months of treatment, median F-VASI and T-VASI scores decreased considerably, indicating improvement in repigmentation. We saw higher VASI scores for disease considered more severe per the PhGVA and PaGIC-V. Changes in VASI scores largely aligned with changes in PhGVA and PaGIC-V scores. We found that F-VASI and T-VASI are reliable tools to assess vitiligo and confirmed that improvement of 0.38–0.60 for F-VASI and 1.69–3.88 for T-VASI scores represent meaningful repigmentation in people with vitiligo on up to 10% of their bodies.
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  • 文章类型: Letter
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  • 文章类型: Journal Article
    准确评估白癜风患者的色素沉着对于监测治疗效果和提高患者满意度至关重要。这项研究旨在开发一种计算机辅助系统,用于评估白癜风患者的色素沉着率。为临床实践提供有价值的见解。回顾性研究于2019年6月至2022年11月在深圳市人民医院皮肤科进行。收集伍德灯下白癜风病变的治疗前后图像,涉及833名按性别分层的参与者,年龄,和色素沉着模式。我们的结果表明,与45%的“中央非卵泡”模式相比,“边缘”色素沉着模式表现出更高的72%的再色素沉着率。与0.33的雌性相比,雄性的平均色素沉着率稍高,为0.37。在年龄组中,0-20岁的个体显示出最高的平均再色素沉着率,为0.41,而年龄最大的年龄组(61-80岁)显示出最低的比率,为0.25。对多次访问的分析确定“边缘”模式是最普遍的(60%),平均再色素沉着率为40%。这项研究引入了一种评估白癜风色素沉着率的计算系统,增强我们对病人反应的理解,最终有助于加强临床护理。
    Precise evaluation of repigmentation in vitiligo patients is crucial for monitoring treatment efficacy and enhancing patient satisfaction. This study aimed to develop a computer-aided system for assessing repigmentation rates in vitiligo patients, providing valuable insights for clinical practice. A retrospective study was conducted at the Dermatology Department of Shenzhen People\'s Hospital between June 2019 and November 2022. Pre- and post-treatment images of vitiligo lesions under Wood\'s lamp were collected, involving 833 participants stratified by sex, age, and pigmentation patterns. Our results demonstrated that the marginal pigmentation pattern exhibited a higher repigmentation rate of 72% compared with the central non-follicular pattern at 45%. Males had a slightly higher average repigmentation rate of 0.37 in comparison to females at 0.33. Among age groups, individuals aged 0-20 years showed the highest average repigmentation rate at 0.41, while the oldest age group (61-80 years) displayed the lowest rate at 0.25. Analysis of multiple visits identified the marginal pattern as the most prevalent (60%), with a mean repigmentation rate of 40%. This study introduced a computational system for evaluating vitiligo repigmentation rates, enhancing our comprehension of patient responses, and ultimately contributing to enhanced clinical care.
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  • 文章类型: Systematic Review
    背景:在一些临床试验中已经证明了自体皮肤细胞悬液(ASCS)的成功使用。然而,其有效性和安全性尚未得到验证。这项最新的系统评价和荟萃分析旨在研究自体表皮细胞悬液在皮肤病变再上皮化中的作用。
    方法:相关文章来自PubMed,Embase,Cochrane数据库,WebofScience,国际临床试验注册平台,中国国家知识基础设施,中国科技期刊VIP数据库和万方数据库。主要的输出测量是愈合时间,次要产出是有效率,用于治疗的供体部位的大小,研究治疗区域的大小,操作时间,疼痛评分,色素沉着,并发症,瘢痕量表评分和满意度评分。将数据汇总并表示为相对风险(RR),平均差(MD)和标准化平均差(SMD),置信区间为95%。
    结果:本系统综述和荟萃分析包括31项研究,914例患者接受自体表皮细胞悬液(治疗组)和883例患者接受标准治疗或安慰剂(对照组)。所有纳入研究的汇总数据表明,治疗组的愈合时间显着缩短(SMD=-0.86;95%CI:-1.59-0.14;p=0.02,I2=95%),治疗部位的大小(MD=-115.41;95%CI:-128.74-102.09;p<0.001,I2=89%),手术时间(MD=25.35;95%CI:23.42-27.29;p<0.001,I2=100%),疼痛评分(SMD=-1.88;95%CI:-2.86-0.90;p=0.0002,I2=89%)和并发症(RR=0.59;95%CI:0.36-0.96;p=0.03,I2=66%),以及显效率显着增加(RR=1.20;95%CI:1.01-1.42;p=0.04,I2=77%)。研究处理区的大小无显著差异,色素沉着,比较两组患者的瘢痕量表评分和满意度评分。
    结论:我们的荟萃分析表明,自体表皮细胞悬液有利于皮肤病变的再上皮化,因为它们显着缩短了愈合时间,治疗部位的大小,操作时间,疼痛评分和并发症,以及提高有效率。然而,这种干预对治疗面积的影响很小,色素沉着,瘢痕量表评分和满意度评分。
    BACKGROUND: Successful usage of autologous skin cell suspension (ASCS) has been demonstrated in some clinical trials. However, its efficacy and safety have not been verified. This latest systematic review and meta-analysis aim to examine the effects of autologous epidermal cell suspensions in re-epithelialization of skin lesions.
    METHODS: Relevant articles were retrieved from PubMed, Embase, Cochrane Database, Web of Science, International Clinical Trials Registry Platform, China National Knowledge Infrastructureris, VIP Database for Chinese Technical Periodicals and Wanfang database. The primary output measure was the healing time, and the secondary outputs were effective rate, size of donor site for treatment, size of study treatment area, operation time, pain scores, repigmentation, complications, scar scale scores and satisfaction scores. Data were pooled and expressed as relative risk (RR), mean difference (MD) and standardized mean difference (SMD) with a 95% confidence interval (CI).
    RESULTS: Thirty-one studies were included in this systematic review and meta-analysis, with 914 patients who received autologous epidermal cell suspensions (treatment group) and 883 patients who received standard care or placebo (control group). The pooled data from all included studies demonstrated that the treatment group has significantly reduced healing time (SMD = -0.86; 95% CI: -1.59-0.14; p = 0.02, I2 = 95%), size of donar site for treatment (MD = -115.41; 95% CI: -128.74-102.09; p<0.001, I2 = 89%), operation time (MD = 25.35; 95% CI: 23.42-27.29; p<0.001, I2 = 100%), pain scores (SMD = -1.88; 95% CI: -2.86-0.90; p = 0.0002, I2 = 89%) and complications (RR = 0.59; 95% CI: 0.36-0.96; p = 0.03, I2 = 66%), as well as significantly increased effective rate (RR = 1.20; 95% CI: 1.01-1.42; p = 0.04, I2 = 77%). There were no significant differences in the size of study treatment area, repigmentation, scar scale scores and satisfaction scores between the two groups.
    CONCLUSIONS: Our meta-analysis showed that autologous epidermal cell suspensions is beneficial for re-epithelialization of skin lesions as they significantly reduce the healing time, size of donar site for treatment, operation time, pain scores and complications, as well as increased effective rate. However, this intervention has minimal impact on size of treatment area, repigmentation, scar scale scores and satisfaction scores.
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  • 文章类型: Journal Article
    背景:白癜风仍然是一种具有挑战性的治疗条件。火针疗法,一种传统的中医技术,具有作为替代治疗策略的潜力。然而,缺乏关于其功效的严格证据。
    目的:我们旨在评估火针疗法的疗效和安全性,单独和外用他克莫司软膏,非节段稳定型白癜风。
    方法:在这项为期6个月的随机自我对照试验中,纳入35例白癜风患者,提供三个相似的病变。病变随机分配接受火针单一疗法,0.1%他克莫司软膏单一疗法,或联合火针和他克莫司软膏治疗。主要结果是白癜风表面积的变化。
    结果:总计,29例患者完成了6个月的随访。在第4个月和第5个月开始,与单一治疗组相比,联合治疗组的白癜风表面积明显减少。在研究结束时,联合治疗导致明显更高的色素沉着反应,89.7%的病变显示至少轻度(≥25%)色素沉着,51.7%显示良好(≥50%)色素沉着。这显著超过了单独使用他克莫司软膏的结果,仅达到6.9%的轻度反应和6.9%的良好反应。火针单一疗法也显示出稳定的色素沉着随着时间的推移,到第6个月,69%的病变达到轻度反应。重要的是,无重大不良事件发生.
    结论:这项研究提供了有希望的初步证据,支持使用火针疗法,单独或与他克莫司软膏外用组合,用于诱导非节段稳定性白癜风的色素沉着。作为一种非药理学方法,火针疗法作为白癜风的替代治疗值得进一步研究。
    BACKGROUND: Vitiligo remains a challenging condition to treat. Fire needle therapy, a traditional Chinese medicine technique, has potential as an alternative therapeutic strategy. However, rigorous evidence on its efficacy is lacking.
    OBJECTIVE: We aimed to evaluate the efficacy and safety of fire needle therapy, alone and combined with topical tacrolimus ointment, for non-segmental stable vitiligo.
    METHODS: In this 6-month randomized self-controlled trial, 35 vitiligo patients were enrolled, providing three similar lesions each. Lesions were randomly allocated to receive fire needle monotherapy, 0.1% tacrolimus ointment monotherapy, or combined fire needle and tacrolimus ointment therapy. The main outcome was change in vitiligo surface area.
    RESULTS: In total, 29 patients completed the 6-month follow-up. The combination therapy group showed significantly greater reductions in vitiligo surface area compared to monotherapy groups starting at months 4 and 5. By the end of the study, combination therapy resulted in remarkably higher repigmentation responses, with 89.7% of lesions showing at least mild (≥25%) repigmentation and 51.7% showing good (≥50%) repigmentation. This significantly exceeded the outcomes with topical tacrolimus ointment alone, which only achieved 6.9% mild response and 6.9% good response. Fire needle monotherapy also demonstrated steady repigmentation over time, with 69% of lesions attaining a mild response by month 6. Importantly, no major adverse events occurred.
    CONCLUSIONS: This study provides promising preliminary evidence supporting the use of fire needle therapy, alone or in combination with topical tacrolimus ointment, for inducing repigmentation in non-segmental stable vitiligo. As a non-pharmacological approach, fire needle therapy warrants further study as an alternative vitiligo treatment.
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  • DOI:
    文章类型: Journal Article
    Post-burn leukoderma, commonly affecting the African and Asian communities, results from deep dermal burns. The associated stigma exacerbates the condition and significantly affects the rehabilitation and reintegration of post-burn survivors into society. Melanocyte-keratinocyte transplantation (MKTP) is a promising single-stage treatment for repigmentation in vitiligo. However, its use in post-burn leukoderma is undetermined. This study aims to evaluate the MKTP treatment in post-burn leukoderma patches. Six patients (five males and one female, mean age = 29±5.51 years) with ten patches of post-burn leukoderma underwent single-stage MKTP without adjuvant pigmentation therapy. The postoperative follow-up period ranged from twelve to twenty-four months for all the patients. The average size of leukoderma treated was 16.25±9 cm2. Repigmentation was observed in 92.16±11.05% of the total treated area by the end of one year after MKTP application. All six patients were satisfied with the treatment outcome. MKTP without adjuvant therapy is an effective surgical treatment to treat post-burn leukoderma patches. Future studies should cover a larger sample over a longer follow-up period.
    Le vitiligo cicatriciel après brûlure est fréquent dans les populations africaines et asiatiques, affectant significativement la réintégration sociale des patients. La TMK est une technique en 1 temps de repigmentation du vitiligo, prometteuse, qui n’a pas été évaluée dans ce contexte. Nous l’avons utilisée, sans traitement adjuvant, chez 6 patients (5 hommes et 1 femme de 29 +/- 5,51 ans) sur 10 zones dépigmentées (surface de 16,25 +/- 9 cm2), avec un recul de 12 à 32 mois. À un an, une repigmentation a été observée sur 92,16 +/- 11,05% de la surface traitée et tous les patients étaient satisfaits du résultat. La TMK isolée semble donc être efficace pour traiter le vitiligo cicatriciel après brûlures, des études sur des zones plus étendues et avec un suivi à plus long terme restant nécessaires.
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  • 文章类型: Case Reports
    暂无摘要。
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  • 文章类型: Journal Article
    吸水泡表皮移植(SBEG)是目前最普遍的手术方法之一。
    探讨接受SBEG治疗的白癜风患者的长期预后,并探讨与术后复发相关的危险因素。
    对2016年1月至2022年12月在我们部门接受SBEG的患者进行了一项回顾性队列研究。治疗结果,包括色素沉着率,不良事件,术后复发,通过电话访谈或门诊就诊进行调查。采用多因素logistic回归模型评估术后复发的危险因素。在P<0.05时假定有统计学意义。
    共纳入253例患者,移植后色素沉着率为96%(243/253)。常见的不良事件包括鹅卵石样外观(73.1%,185/253)在捐赠现场,移植物周围晕(46.2%,117/253),和鹅卵石状外观(26.1%,66/253)在收件人站点中。20.1%的患者术后复发,平均时间为移植后29.7个月。非节段型白癜风和合并自身免疫性疾病是术后复发的危险因素。
    SBEG是白癜风的有效手术治疗方法,具有较高的色素沉着率和良好的安全性。非节段白癜风和合并自身免疫性疾病可能增加术后复发的风险。
    UNASSIGNED: Suction blister epidermal grafting (SBEG) is currently one of the most prevalent surgical methods for stable vitiligo.
    UNASSIGNED: To investigate the long-term outcomes of vitiligo patients who underwent SBEG and to explore risk factors associated with postoperative relapse.
    UNASSIGNED: A retrospective cohort study was conducted in patients who underwent SBEG in our department between January 2016 and December 2022. Treatment outcomes, including repigmentation rate, adverse events, and postoperative relapse, were surveyed via telephone interview or out-=patient visit. Multivariate logistic regression models were used to assess the potential risk factors for postoperative relapse. Statistical significance was assumed at P < .05.
    UNASSIGNED: A total of 253 patients were included with a repigmentation rate of 96% (243/253) after grafting. Common adverse events included cobblestone-like appearance (73.1%, 185/253) in the donor site, perigraft halo (46.2%, 117/253), and cobblestone-like appearance (26.1%, 66/253) in the recipient site. Postoperative relapse occurred in 20.1% of patients over a mean time of 29.7 months after grafting. Nonsegmental type of vitiligo and coexistence of autoimmune diseases were risk factors for postoperative relapse.
    UNASSIGNED: SBEG is an effective surgical treatment for vitiligo with high repigmentation rate and good safety profile. Nonsegmental vitiligo and comorbid autoimmune diseases may increase the risk of postoperative relapse.
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  • 文章类型: Journal Article
    我们发现,用窄带UVB(NBUVB)治疗的人类白癜风患者在皮肤部位表现出对色素沉着的局部抗性,其特征在于不同的细胞和分子途径。使用免疫染色研究,发现阶段RNA-Seq分析,和确证原位杂交,我们分析了从NBUVB治疗6个月后未发生色素沉着(无反应)的白癜风病变收集的配对活检,并将其与同一患者的色素沉着(有反应)病变进行比较.无反应病变表现为棘皮表皮,总数低,增殖性,和分化的黑素细胞(MC)群体,与响应性病变相比,衰老角质形成细胞(KCs)和细胞毒性CD8T细胞的数量增加。无反应病变中的异常反应是由cAMP通路和上游激活剂PDE4B的失调驱动的,和WNT/β-catenin再色素沉着途径。白癜风反应性病变表达高水平的WNT10B配体,一种可以防止NBUVB诱导的表皮衰老的分子,并且在培养的黑素细胞中阻止了α-MSH的促黑色素生成作用。了解控制缺乏NBUVB诱导的白癜风色素沉着的途径在指导白癜风新治疗策略的开发方面具有很大的希望。
    We have discovered that human vitiligo patients treated with narrow-band UVB (NBUVB) demonstrated localized resistance to repigmentation in skin sites characterized by distinct cellular and molecular pathways. Using immunostaining studies, discovery-stage RNA-Seq analysis, and confirmatory in situ hybridization, we analyzed paired biopsies collected from vitiligo lesions that did not repigment after 6 months of NBUVB treatment (non-responding) and compared them with repigmented (responding) lesions from the same patient. Non-responding lesions exhibited acanthotic epidermis, had low number of total, proliferative, and differentiated melanocyte (MC) populations, and increased number of senescent keratinocytes (KCs) and of cytotoxic CD8+ T cells as compared with responding lesions. The abnormal response in the non-responding lesions was driven by a dysregulated cAMP pathway and of upstream activator PDE4B, and of WNT/β-catenin repigmentation pathway. Vitiligo-responding lesions expressed high levels of WNT10B ligand, a molecule that may prevent epidermal senescence induced by NBUVB, and that in cultured melanoblasts prevented the pro-melanogenic effect of α-MSH. Understanding the pathways that govern lack of NBUVB-induced vitiligo repigmentation has a great promise in guiding the development of new therapeutic strategies for vitiligo.
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