Histological and Immunohistochemical Study of Photodamaged Skin Submitted to MAL-PDT
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 26
研究概览
简要总结
In this study, 26 patients were selected and included for full-face photodynamic therapy sessions. All patients presented signs of photoaging skin and multiple actinic keratosis. Photographs and Biopsies were taken before and after the procedure. Clinical and histological aspects as well as immunohistochemical aspects regarding neocollagen induction and tumor expression were evaluated.
详细描述
Study design:
Patients and methods:
26 patients (16 females, 8 males) age 35-90 years, mean 59,4 y Skin types I-IV, severely photodamaged facial skin Multiples Aks on the face ( total 268) minimum of 3 per patient Approved by local ethical committee and informed consent given
Treatment procedure:
Prior curettage Full-face MAL application ( Metvix ®, Galderma France) 1,5 tube per treatment Incubation time 3 hs - in the first treatment session; and 1,5 h - in the 2 nd and 3 rd sessions Illumination LED (Aktilite® Photocure, Norway) 635 nm 37 J/cm2 3 treatments performed, one month apart Pain monitoring: forced air cooling device
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 20 Years 至 90 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Patients with severe photodamage and at least 3 actinic keratosis on the face
排除标准
- •Pregnancy, laser, chemical peel, imiquimod or 5-Fu treatment in the last year
研究者
Luis Antonio Torezan
ASSOCIATE PROFESSOR OF DERMATOLOGY
University of Sao Paulo