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Brief Title: Laser Ablation in the Treatment of High-grade Cervical Lesions
Official Title: Efficacy, Acceptability, and Safety of Laser Ablation in the Treatment of High-grade Cervical Lesions: a Randomized Clinical Trial
Study ID: NCT06333743
Brief Summary: Cervical laser ablation is an effective, minimally invasive treatment with a low incidence of perinatal complications and minimal impact on fertility. Research has confirmed that laser ablation treatment of cervical HSIL (including CIN2 and CIN3) is effective and feasible and is useful for young CIN3 patients who wish to get pregnant in the future. There have been no randomized clinical trials of laser ablation therapy for cervical HSIL in Chinese women. This study focuses on the application of laser ablation in the treatment of cervical HSIL, explores the efficacy, feasibility, and safety of laser ablation in the treatment of cervical HSIL, and strives to promote the reasonable application of laser ablation in the treatment of cervical HSIL.
Detailed Description: 1. Background This study focuses on the application of laser ablation in the treatment of cervical HSIL, explores the efficacy, feasibility, and safety of laser ablation in the treatment of cervical HSIL, and strives to promote the reasonable application of laser ablation in the treatment of cervical HSIL. 2. Research objects Young patients with cervical HSIL underwent colposcopic evaluation, completed cervical biopsy, and were pathologically confirmed to be eligible for ablation. 3. Methods 3.1 Sample size This study was a randomized controlled trial with parallel design. HSIL recurrence rate was the primary endpoint. According to previous literature reports, it is estimated that the recurrence rate of HSIL in the laser treatment group is 15%. The recurrence rate of HSIL in the resection group was 5%. Let α=0.05 (both sides), hold =0.80. Using PASS 11 software, the sample size of both groups was 138 cases. Assuming that the loss of follow-up rate of the study subjects was 10%, the sample size of each group was 138÷0.9=154 cases. Therefore, 308 patients were intended to be included in the study. 3.2 Statistical methods SPSS 24.0 software will be used for statistical analysis of all data. Measurement data with normal distribution will be described by mean ± standard deviation. Independent sample t-test or rank sum test will be used for inter-group comparison, and paired sample t-test will be used for intra-group comparison before and after treatment. Counting data will be expressed as examples or percentages (%), and the Chi-square test will be used for comparison between groups. The Kaplan-Meier method will be used to calculate the recurrence rate, and the rank sum test will be used to evaluate the difference between the two groups. Cox regression model will be used to analyze the factors influencing prognosis. P \< 0.05 will be considered statistically significant. 4. Results The primary endpoint is the HSIL recurrence rate at 12 months after treatment. Other subjects were secondary study endpoints shown as follows: Intraoperative and postoperative complications and side effects, including bleeding, pain, infection, cervical secretions, and healing; Psychological state change; Satisfaction; Cervical length; Recurrence rate; Fees
Minimum Age:
Eligible Ages: CHILD, ADULT
Sex: FEMALE
Healthy Volunteers: No
Name: Lan Zhu, MD
Affiliation: Peking Union Medical College Hospital
Role: PRINCIPAL_INVESTIGATOR