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

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-519354-36-00
Enrollment
816
Registered
2025-05-30
Start date
2025-08-01
Completion date
Unknown
Last updated
2025-05-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Polycystic ovary syndrome (PCOS)

Brief summary

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

Detailed description

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

Interventions

Sponsors

Amsterdam UMC Stichting
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

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

Secondary

MeasureTime frame
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 liv

Countries

Netherlands

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026