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临床试验/2024-519354-36-00
2024-519354-36-00招募中4 期

Continuing ovulation induction with letrozole versus switching to gonadotropins in women with polycystic ovary syndrome

Amsterdam UMC Stichting26 个研究点 分布在 1 个国家目标入组 816 人开始时间: 2025年5月30日最近更新:

试验速览

阶段
4 期
状态
招募中
入组人数
816
试验地点
26
主要终点
Pregnancy within 8 months after randomization, leading to a live birth

研究概览

简要总结

To determine the clinical efficacy of continuing ovulation induction with letrozole versus switching to ovarian stimulation with gonadotropins, in terms of cumulative live birth rate improvement

入排标准

年龄范围
18 years 至 64 years(18-64 Years)
性别
Female
接受健康志愿者

入选标准

  • Couples or single women with childwish
  • Diagnosed PCOS (normogonadotropic anovulation with hyperandrogenaemia (diagnosed clinically by the presence of excessive acne, androgenic alopecia, or hirsutism or by elevated serum levels of total, bioavailable, or free testosterone or dehydroepiandrosterone sulfate) or polycystic ovaries on ultrasound)
  • Age 18-43 years
  • Ovulatory for six cycles on letrozole treatment

排除标准

  • Contra-indication to letrozole
  • Partner with abnormal semen analysis according the WHO guidelines
  • Known to have no patency of at least one Fallopian tube
  • Major medical morbidity (e.g. poorly controlled Type I or Type II diabetes, known liver disease or dysfunction based on serum liver enzyme testing, renal disease or abnormal serum renal function)
  • Inability to give informed consent
  • Additional contra-indications reported in the SPC are: Hypersensitivity to the active substance, during pregnancy and breast feeding

结局指标

主要结局

Pregnancy within 8 months after randomization, leading to a live birth

Pregnancy within 8 months after randomization, leading to a live birth

次要结局

  • Clinical pregnancy, ongoing pregnancy, biochemical pregnancy loss and miscarriage rates within 8 months after randomisation
  • For each participant, the number of treatment cycles initiated, completed and cancelled are evaluated within 8 months after randomisation
  • Of all achieved (ongoing) pregnancies occurring within 8 months after randomization (including spontaneous pregnancies) the following outcomes are assessed; multiple pregnancy rate, time to pregnancy, pregnancy complications, perinatal outcomes, type of delivery and outcomes
  • Side effects and compliance to therapy assessed during treatment using a medication dairy and a questionnaire, sent out at 3 months and 8 months after randomization
  • Quality of life and mental health assessed at time of randomization, and at 3 months and 6 months after randomization, using the FertiQoL questionnaire and the HADS questionnaire
  • Progression to IVF/ICSI within 8 months after randomization
  • Budget impact, Cost-effectiveness analyses using live birth rates, costs and quality of life

研究者

申办方类型
Patient organisation/association
责任方
Principal Investigator
主要研究者

Dr. M. van Wely

Scientific

Amsterdam UMC Stichting

研究点 (26)

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