实用医学杂志 ›› 2022, Vol. 38 ›› Issue (24): 3072-3076.doi: 10.3969/j.issn.1006⁃5725.2022.24.009

• 临床研究 • 上一篇    下一篇

反射式共聚焦显微镜在司库奇尤单抗治疗中重度斑块型银屑病疗效评估中的价值 

吴维维1 韩君雅1 张艳1 侯晓强2 方险峰1    

  1. 三峡大学第一临床医学院,宜昌市中心人民医院1 皮肤性病科,2 风湿免疫科(湖北宜昌 443003)

  • 出版日期:2022-12-25 发布日期:2022-12-25
  • 通讯作者: 方险峰 E⁃mail:fxf777@qq.com
  • 基金资助:
    国家自然科学基金项目(编号:81260593);湖北省卫生计生委 2016-2017 年度中西医结合科研项目(编号:46)

The role of reflectance confocal microscopy in the efficacy evaluation of secukinumab for psoriasis

WU Weiwei* ,HAN Junya,ZHANG Yan,HOU Xiaoqiang,FANG Xianfeng.   

  1. Department of Dermatology and Venereolo⁃ gy,Yichang Central Peoples Hospital,the First College of Clinical Medical Science,China Three Gorges Universi⁃ ty,Yichang 443003,China

  • Online:2022-12-25 Published:2022-12-25
  • Contact: FANG Xianfeng E⁃mail:fxf777@qq.com

摘要:

目的 探讨反射式共聚焦显微镜(reflectance confocal microscopy,RCM)在评估司库奇尤单 抗治疗中重度斑块型银屑病微观变化中的价值。方法 11 例中重度斑块型银屑病患者,每例患者选取 3~6 个皮损,于治疗前与治疗 12 周后使用局部银屑病严重指数(local psoriasis severity index,LPSI)评分进 行临床疗效评估,使用 RCM 测量同一皮损在表皮-真皮交界处可清晰识别的真皮乳头(dermal papillae DP)与毛细血管环(capillary loops,CL)的面积、周长与直径。根据皮损部位分为上肢组、躯干组和下肢 组,比较 3 组的 DP CL 直径变化率是否存在差异;对 DP CL 直径变化率与临床疗效之间的相关性进行 分析。结果 共选取 53 个皮损,治疗后 DP CL 的面积、周长、直径均减小(P < 0.001)。26 处临床治愈 LPSI = 0)的皮损中,有 12 DP 直径仍扩大(≥ 80 μm),部分 CL 管腔内仍可见活动细胞。下肢皮损的 DP 直径变化率明显小于上肢与躯干皮损(P < 0.05),不同部位之间 CL 直径变化率差异无统计学意义 P > 0.05)。治疗前后 LPSI 变化率与 DP 直径变化率存在较强的相关性(rs = 0.644 8,P < 0.000 1),与 CL 径变化率相关性较弱(rs = 0.339 2,P = 0.003 1)。结论 银屑病皮损临床治愈时并非生物制剂停药的最佳 时机,皮损的 DP CL RCM 参数可作为微观指标用于动态监测生物制剂的疗效,并为药物减量及停药 提供更客观的依据。

关键词:

银屑病, 司库奇尤单抗, 真皮乳头, 毛细血管环, 反射式共聚焦显微镜

Abstract:

Objective The study aimed to investigate the value of reflectance confocal microscopy(RCM) in evaluating microscopic changes in moderate to severe plaque psoriasis treated with secukizumab. Methods Eleven patients with moderate to severe plaque psoriasis,three to six lesions were selected from each patient and the local psoriasis severity index(LPSI)score was used to evaluate the clinical efficacy before and after 12 weeks of treat⁃ ment;the same lesions were examined using RCM to measure changes in the area,circumference and diameter of the dermal papillae(DP)and capillary loops(CL)clearly identified at the epidermis⁃dermis junction. The groups were divided into upper limb,trunk and lower limb groups according to the site of the lesion,and the differences in DP and CL diameter change rates were compared between the groups;the correlation between DP and CL diame⁃ ter change rates and clinical efficacy was analysed using Spearman′s correlation analysis. Results A total of 53 lesions selected from 11 patients,the area,circumference and diameter of DP and CL were reduced after treatment (P<0.001). However,12 of the 26 clinically cured(LPSI=0)lesions still had enlarged DP diameters(≥80 μm) and active cells were still visible in the lumen of some CL canals. The rate of change in DP diameter was significantly smaller in lower limb lesions than in upper limb and trunk lesions(P<0.05),with no significant difference in CL diameter change between different sites(P>0.05). There was a strong correlation between the rate of change in LPSI and the rate of change in DP diameter before and after treatment(rs=0.644 8,P<0.000 1)and a weaker corre⁃ lation with the rate of change in CL diameter(rs=0.339 2,P=0.003 1). Conclusion Clinical cure of lesions is not the best time to discontinue the biologics,the RCM parameters of DP and CL of psoriatic lesions can be used asmicroscopic indicators to monitor the efficacy of biologics dynamically and provide a more objective basis for biolog⁃ ics reduction and discontinuation.

Key words:

psoriasis, secukinumab, dermal papillae, capillary loops, reflectance confocal mi? croscopy

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