期刊
PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY
卷 39, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.pdpdt.2022.102958
关键词
5-aminolevulinic acid photodynamic therapy; Local surgical excision; High-grade vaginal intraepithelial neoplasia
类别
资金
- Henan Provincial Health Commis-sion [SB201901043]
This study compares the clinical efficacy and safety of 5-aminolevulinic acid photodynamic therapy (ALA-PDT) and local surgical excision in the treatment of high-grade vaginal intraepithelial neoplasia (VAIN). The results show that ALA-PDT has similar efficacy and fewer side effects compared to local surgical excision.
Objective: To compare the clinical efficacy and safety of 5-aminolevulinic acid photodynamic therapy (ALA-PDT) and local surgical excision in the treatment of high-grade vaginal intraepithelial neoplasia (VAIN). Methods: This was a retrospective study of a single center. Patients with biopsy-proven high-grade VAIN were counseled on the option of excision or ALA-PDT. After treatment patients were followed up at 3, 6 and 12 months and every 6 months afterwards. Clinical data of two groups were analyzed. Results: Sixty patients were treated with ALA-PDT and 40 patients underwent excision surgery. The clinical characteristics of patients in the two groups were similar. The mean ages of patients treated with ALA-PDT and local surgical excision were 41.93+13.08 (18-70) and 43.25+11.64 (22-61) years old, respectively. The treat-ment times of PDT for patients in the ALA-PDT group were 5.48 +/- 1.41 (2-8) times. At 3-6 months after treatment, the overall complete remission (CR) rate was 93.33% (56/60) in PDT group and 82.5% (33/40) in local surgical excision group. In PDT group, a 12-and 24-month follow-up, the total HPV clearance rate was 68.97% and 77.55%, respectively. At 12-month and 2-year follow-up after local surgical excision, the total HPV clearance rate was 60% and 64.52%, respectively. Further analysis showed that the clinical efficacy was comparable between the two treatments. Patients over 45 years old exhibited a lower HPV clearance rate (P < 0.05) than those under 45 years old. It was also observed that persistent HPV infection is a major risk factor for persistent disease. Further comparative analyses showed no significant difference in the CR rate and treatment times between VAINII and VAINIII in ALA-PDT group. Moreover, 4 patients (11.36%) developed recurrent lesions during follow-up after ALA-PDT, whereas 3 patients (8.33%) in the local excision group developed recurrent lesions. In addition, there was no significant difference in the recurrent rate between two groups. Conclusions: ALA-PDT shows similar efficacy and less side effects compared to local surgical excision.
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