Clinical Trial

Oral Dydrogesterone as Luteal Phase Support in Natural Cycle FET

Recruiting Phase 3
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Record status
This record was last updated June 12, 2025 (before its estimated December 30, 2025 completion). Its status may not reflect the trial's current state.
Summary
This randomised double-blinded controlled trial aims to compare the live birth rate in natural FET cycles with and without oral dydrogesterone as luteal phase support. The hypothesis is that the use of oral dydrogesterone will increase the live birth rate of natural cycle FET.
Protocol Amendment History 12 amendments
This ClinicalTrials.gov record has been amended 12 times since 2019-02-28; most recent amendment 2025-06-09.
Status change: Not Yet Recruiting → Recruiting 2021-07-12
Trial Details
NCT Number NCT03859921
Lead Sponsor The University of Hong Kong
Conditions Subfertility
Enrollment 716 participants
Start Date 2021-07-01
Primary Completion 2025-12-30 (estimated)
Study Completion 2026-11-30 (estimated)
Updated on ClinicalTrials.gov 2025-06-12