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

2023-509919-89-00 Therapeutic use (Phase IV) Ongoing, recruiting

Start 19 Feb 2025 · Status Ongoing, recruiting · 1 EU/EEA countries · 1 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Ongoing, recruiting
Participants planned 277
Countries 1
Sites 1

Prevention of female infertility.

The aim of the current randomized controlled trial is to compare the efficacy of Random Start Ovarian Stimulation to conventional early follicular phase stimulation in Elective Oocyte Cryopreservation cycles.

Key facts

Sponsor
UZ Brussel
Participant type
Patients
Age range
18-64 years
Gender
Female
Therapeutic area
Phenomena and Processes [G] - Reproductive and Urinary Physiological Phenomena [G08]
Trial duration
19 Feb 2025 → ongoing
Decision date (initial)
2024-10-10
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Efficacy, Therapy

The aim of the current randomized controlled trial is to compare the efficacy of Random Start Ovarian Stimulation to conventional early follicular phase stimulation in Elective Oocyte Cryopreservation cycles.

Conditions and MedDRA coding

Prevention of female infertility.

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 6

  1.  Age from ≥ 25 to ≤ 39 years
  2.  Body mass Index (BMI) ≥18 to < 30 kg/m2
  3.  Signed informed consent
  4.  Regular menstrual cycle length i.e. 24-35 days
  5.  Patients who are not taking hormonal contraception or who stopped hormonal contraception at least 2 months ago
  6.  Normally accessible ovaries/ ovary

Exclusion criteria 5

  1.  Patients currently taking hormonal contraception (including intrauterine devices)
  2.  Contraindications to the use of gonadotropins
  3.  Endometriosis grade 3-4
  4.  Patients with Anti-müllerian hormone (AMH) <0.5 ng/mL (Revelli et al., JARG 2016) or AMH >3.2 ng/mL (Roche Diagnostics PCOM)
  5.  Any untreated endocrine abnormality

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

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

Secondary endpoints 3

  1.  The total number of oocytes retrieved
  2.  Total consumption of gonadotropins (IU) used during Ovarian Stimulation
  3.  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

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 5

Duphaston 10 mg filmomhulde tabletten

PRD11263823 · Product

Active substance
Dydrogesterone
Pharmaceutical form
FILM-COATED TABLET
Route of administration
ORAL USE
Max daily dose
30 mg milligram(s)
Max total dose
630 mg milligram(s)
Max treatment duration
21 Day(s)
Authorisation status
Authorised
ATC code
G03DB01 — DYDROGESTERONE
Marketing authorisation
BE071951
MA holder
THERAMEX IRELAND LIMITED
MA country
Belgium
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Duphaston 10 mg comprimés pelliculés

PRD11263835 · Product

Active substance
Dydrogesterone
Pharmaceutical form
FILM-COATED TABLET
Route of administration
ORAL USE
Max daily dose
30 mg milligram(s)
Max total dose
630 mg milligram(s)
Max treatment duration
21 Day(s)
Authorisation status
Authorised
ATC code
G03DB01 — DYDROGESTERONE
Marketing authorisation
BE071951
MA holder
THERAMEX IRELAND LIMITED
MA country
Belgium
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Gonapeptyl Daily 0,1 mg/1 ml, solution injectable

PRD433987 · Product

Active substance
Triptorelin Acetate
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS INJECTION
Max daily dose
0.2 mg/ml milligram(s)/millilitre
Max total dose
0.2 mg/ml milligram(s)/millilitre
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
L02AE04 — TRIPTORELIN
Marketing authorisation
BE 339902
MA holder
FERRING N.V.
MA country
Belgium
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

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

PRD4656315 · Product

Active substance
Follitropin Alfa
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS INJECTION
Max daily dose
300 IU international unit(s)
Max total dose
6300 IU international unit(s)
Max treatment duration
21 Day(s)
Authorisation status
Authorised
ATC code
G03GA05 — FOLLITROPIN ALFA
Marketing authorisation
EU/1/13/909/004
MA holder
GEDEON RICHTER PLC.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Duphaston 10 mg Filmtabletten

PRD11263821 · Product

Active substance
Dydrogesterone
Pharmaceutical form
FILM-COATED TABLET
Route of administration
ORAL USE
Max daily dose
30 mg milligram(s)
Max total dose
630 mg milligram(s)
Max treatment duration
21 Day(s)
Authorisation status
Authorised
ATC code
G03DB01 — DYDROGESTERONE
Marketing authorisation
BE071951
MA holder
THERAMEX IRELAND LIMITED
MA country
Belgium
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

UZ Brussel

Sponsor organisation
UZ Brussel
Address
Laarbeeklaan 101
City
Jette
Postcode
1090
Country
Belgium

Scientific contact point

Organisation
UZ Brussel
Contact name
Michel De Vos

Public contact point

Organisation
UZ Brussel
Contact name
Elsie Nulens

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Ongoing, recruiting 277 1
Rest of world 0

Investigational sites

Belgium

1 site · Ongoing, recruiting
Universitair Ziekenhuis Brussel
Brussels IVF, Laarbeeklaan 101, 1090, Jette

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Belgium 2025-02-19 2025-03-05

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 14 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol 2023-509919-89-00-redacted 4
Recruitment arrangements (for publication) K1_Recruitment arrangements 1
Subject information and informed consent form (for publication) L1_SIS and ICF ENG-redacted 4
Subject information and informed consent form (for publication) L1_SIS and ICF FR-redacted 4
Subject information and informed consent form (for publication) L1_SIS and ICF NL-redacted 4
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Bemfola FR 1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Bemfola NL 1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Duphaston FR 1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Duphaston NL 1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Gonapeptyl FR 1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Gonapeptyl NL 1
Synopsis of the protocol (for publication) D1_Protocol Synopsis DE 2023-509919-89-00_redacted 2
Synopsis of the protocol (for publication) D1_Protocol Synopsis FR 2023-509919-89-00_redacted 2
Synopsis of the protocol (for publication) D1_Protocol Synopsis NL 2023-509919-89-00_redacted 2

Application history

2 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-07-30 Belgium Acceptable with conditions
2024-10-10
2024-10-10
2 SUBSTANTIAL MODIFICATION SM-1 2024-11-19 Belgium Acceptable
2025-02-04
2025-02-05