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  • Title: Effect of 5-aminolevulinic acid photodynamic therapy versus loop electrosurgical excision procedure for cervical intraepithelial neoplasia grade 2 treatment.
    Author: Cai H, Yang C, Ding Z, Lou Y.
    Journal: Photodiagnosis Photodyn Ther; 2024 Jun; 47():104107. PubMed ID: 38685549.
    Abstract:
    BACKGROUND: Both the traditional loop electrosurgical excision procedure (LEEP) and the newly developed 5-aminolevulinic acid photodynamic therapy (ALA-PDT) are used to treat high-grade squamous intraepithelial lesions. However, the clinical efficacy and safety of these two therapies have rarely been compared. Thus, this study aimed to compare the clinical efficacy and safety of the two treatment regimens. METHODS: One hundred and twenty patients in two groups (60 + 60) with grade 2 cervical intraepithelial neoplasia (CIN2) were voluntary treated with photodynamic therapy or LEEP between June 2020 and December 2022. Follow-up was conducted at 3, 4-6, and 7-12 months after treatment. RESULTS: Although the total effective rate of LEEP was higher during the first 6 months after treatment, both the total effective rate of lesion degradation and the double-negative rate of high-risk HPV16/18 and liquid-based cervical cytology by ALA-PDT treatment increased with time and finally exceeded those of LEEP at 7-12 months. CONCLUSIONS: ALA-PDT may be more promising than LEEP for treating patients with CIN2 because of the better CIN2 degradation and high-risk HPV negativity, less damage, and greater fertility conservation, especially after 6 months.
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