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Clinical Trial Summary

To investigate the efficacy of weight management plus levonorgestrel intrauterine system (LNG-IUS) or megestrol acetate (MA) in obese patients with endometrial atypical hyperplasia (EAH) asking for conservative therapy.


Clinical Trial Description

Background: High-efficacy progesterone, such as levonorgestrel intrauterine system (LNG-IUS), megestrol acetate (MA), and medroxyprogesterone acetate(MPA), is the first-line treatment for women with endometrial atypical hyperplasia (EAH) who want to preserve fertility. About 70% to 80% of those patients can achieve complete remission (CR) with a median CR time of about 6 months, but about 20% to 30% of those patients get no response or need longer time to get CR (over one year or even longer). Overweight or obesity is an independent risk factor for fertility-sparing treatment response and pregnancy outcomes in young females with EAH or early endometrioid cancer (EEC). Evidence showed that obesity can cause lower CR rates and longer time to get CR and lower birth rates in EAH or EEC patients asking for conservative therapy. Weight management has been proved to improve metabolic disorders, ovarian functions, and pregnancy outcomes. Metformin, as a diabetes drug, has been proved to increase CR rates in EAH or EEC patients treated with MA for fertility. Weight management has raised more and more attention and has been proved to benefit metabolic and pregnancy outcomes. Based on previous research and published studies, the hypothesise is that weight management plus progestin therapy may raise CR rates and pregnancy outcomes in young female EAH patients asking for fertility conservation. Enhanced lifestyle management (diet control, exercise, and daily behavioral guidance) may improve metabolic conditions, increase CR rates and pregnancy outcomes in obese EAH patients who want to preserve fertility. Till now, no similar studies were found, so this study is designed to explore the efficacy of weight control in EAH fertility-sparing patients to provide new evidence for improving conservative treatment. Objective: To investigate whether weight management plus LNG-IUS/MA can improve the efficacy of preserving fertility in obese EAH women who want fertility conservation. Design: This study is designed according to Simon's Two-Stage Design. Based on BMI and treatment plans, four single-arms are designed. This study is prospective, open-label. EAH Patients requiring conservation treatment with BMI ≥ 24 kg/m2 will be recruited in this study and they will be divided into four arms, the first group recruits overweight (24kg/ m2≤BMI<28kg/m2) patients treated with LNG-IUS, the second group recruits overweight (24kg/ m2≤BMI<28kg/m2) patients treated with MA, the third group recruits obese (BMI≥28kg/m2) patients treated with LNG-IUS, and the last group recruits obese (BMI≥28kg/m2) patients treated with MA. The sample size is calculated based on Simon's Two-Stage Design and previous CR rates. All enrolled patients will receive enhanced lifestyle management to control weight and take LNG-IUS/MA for treating EAH. Hysteroscopic examination, metabolic and inflammatory indicators will be performed every 12 to16 weeks while other indexes will be evaluated every month, including weight, heart rates, blood pressure, body fat tests, and so on. For the progestin efficacy evaluation, CR is defined as the remission of EAH to proliferative or secretory endometrium; partial response (PR) is defined as regression to simple or complex hyperplasia without atypia; no response (NR) is defined as the persistence of the disease, and progressive disease (PD) is defined as disease progression in patients. Two months' maintenance treatment will be recommended for patients with CR, and participants will be followed up for 2 years. Outcomes: Primary outcome is the CR rates of the four arms. Secondary outcomes include pregnancy rates, live birth rates, weight loss, insulin resistance, chronic inflammation indicators, time to achieve CR and recurrence rates, and so on. Safety and side events during the whole trial will be monitored in two years. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05316493
Study type Interventional
Source Fudan University
Contact WEIWEI SHAN, PhD
Phone 8613817813106
Email danweiwei7468@fckyy.org.cn
Status Recruiting
Phase Phase 2/Phase 3
Start date June 13, 2022
Completion date February 28, 2026

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