Actively Recruiting

Phase 2
Phase 3
Age: 18Years - 45Years
FEMALE
NCT05316935

GnRHa + Letrozole in Non-obese Progestin-insensitive Endometrial Cancer and Atypical Hyperplasia Patients

Led by Xiaojun Chen · Updated on 2025-08-11

80

Participants Needed

2

Research Sites

245 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

To investigate the efficacy of GnRHa plus letrozole vs Diane-35 plus metformin in non-obese progestin-insensitive early-stage endometrial cancer (EEC) and atypical hyperplasia(EAH) patients asking for conservative treatment.

CONDITIONS

Official Title

GnRHa + Letrozole in Non-obese Progestin-insensitive Endometrial Cancer and Atypical Hyperplasia Patients

Who Can Participate

Age: 18Years - 45Years
FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Confirmed diagnosis by hysteroscopy of atypical endometrial hyperplasia or well-differentiated early-stage endometrial cancer without myometrial invasion
  • Body mass index (BMI) less than 30 kg/m2
  • No signs of extrauterine disease on enhanced MRI, CT, or ultrasound
  • Previous first-line progestin treatment with megestrol acetate (≥160 mg daily), medroxyprogesterone acetate (≥250 mg daily), or levonorgestrel intrauterine system (LNG-IUS)
  • Progestin-insensitive defined as stable disease after 7 months or no complete response after 10 months of progestin therapy
  • Desire to preserve reproductive function or uterus
  • Good compliance with treatment and follow-up
Not Eligible

You will not qualify if you...

  • Severe medical illnesses or significantly impaired liver or kidney function
  • Endometrial cancer with suspected myometrial invasion or extrauterine spread
  • Other types of endometrial cancer or malignant tumors of the reproductive system
  • Breast cancer or other hormone-dependent tumors that contraindicate use of Diane-35, GnRHa, letrozole, or metformin
  • Strong desire for hysterectomy or alternative conservative treatment
  • Known or suspected pregnancy
  • Acute severe diseases such as stroke, heart attack, or history of thrombosis
  • Smoking more than 15 cigarettes per day

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 2 locations

1

Obstetrics and Gynecology Hospital, Fudan University

Shanghai, Shanghai Municipality, China, 200011

Actively Recruiting

2

Tenth People's Hospital of Tongji University

Shanghai, Shanghai Municipality, China

Actively Recruiting

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Research Team

X

Xiaojun Chen, PhD

CONTACT

B

Bingyi Yang

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

4

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