RAndom sTArT Ovarian stimUlatIon (RSOS) in eLective oocyte cryopreservation cycLEs (RATATOUILLE): a single-center, non-inferiority, randomised controlled trial

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

EU CTIS

Registry ID

CTIS2023-509919-89-00

Enrollment

277

Registered

2024-10-10

Start date

2025-02-19

Completion date

Unknown

Last updated

2025-02-05

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

Conditions

Prevention of female infertility.

Brief summary

Total number of mature cryopreserved oocytes per ovarian stimulation (OS) cycle in elective oocyte cryopreservation.

Detailed description

 The total number of oocytes retrieved,  Total consumption of gonadotropins (IU) used during Ovarian Stimulation,  Duration of Ovarian Stimulation, defined as the time from the first day of stimulation until the application of the trigger for the final oocyte maturation

Interventions

DRUGDuphaston 10 mg comprimés pelliculés

DRUGBemfola 300 IU/0.50 mL solution for injection in pre-filled pen

DRUGDuphaston 10 mg Filmtabletten

DRUGGonapeptyl Daily 0

DRUG1 mg/1 ml

DRUGsolution injectable

DRUGDuphaston 10 mg filmomhulde tabletten

Eligibility

Sex/Gender

All

Age

18 Years to 64 Years

Design outcomes

Primary

Measure	Time frame
Total number of mature cryopreserved oocytes per ovarian stimulation (OS) cycle in elective oocyte cryopreservation.	—

Secondary

Measure	Time frame
 The total number of oocytes retrieved,  Total consumption of gonadotropins (IU) used during Ovarian Stimulation,  Duration of Ovarian Stimulation, defined as the time from the first day of stimulation until the application of the trigger for the final oocyte maturation	—

Countries

Belgium

Outcome results

None listed

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