Frozen-thawed embryo transfer in a natural versus artificial cycle: a randomized clinical trial.

2024-511890-30-03 Therapeutic use (Phase IV) Ongoing, recruitment ended

Start 26 Jun 2018 · Status Ongoing, recruitment ended · 1 EU/EEA countries · 5 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Ongoing, recruitment ended
Participants planned 554
Countries 1
Sites 5

Subfertility

Finding the optimal endometrial preparation protocol for transfer of a frozen-thawed embryo

Key facts

Sponsor
UZ Leuven
Participant type
Patients
Age range
18-64 years
Gender
Female
Therapeutic area
Diseases [C] - Female Urogenital Diseases and Pregnancy Complications [C13]
Trial duration
26 Jun 2018 → ongoing
Decision date (initial)
2025-01-22
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2024-511890-30-03
EudraCT number
2018-001014-15

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Efficacy

Finding the optimal endometrial preparation protocol for transfer of a frozen-thawed embryo

Conditions and MedDRA coding

Subfertility

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 6

  1. • Women undergoing FET after a first, second or third fresh IVF/ICSI cycle
  2. • Single embryo transfer (SET) or Double embryo transfer (DET)
  3. • Female age between 18-45 year
  4. • Women having a natural ovulatory cycle (24-35 days)
  5. • Normal uterine cavity (fundal indentation at the cavity <10mm)
  6. • Written informed consent

Exclusion criteria 3

  1. • Use of donor gametes
  2. • BMI > or equal to 35 kg / m2
  3. • Any contra-indication to estrogen or progesterone supplementation (e.g. history of thrombosis, prior or current hormone-sensitive malignancy…)

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Clinical pregnancy rate with fetal heart beat

Secondary endpoints 2

  1. Biochemical pregnancy rate, miscarriage rate, ectopic pregnancy rate, live birth rate, multiple pregnancy rate, adverse events, cycle cancellation rate, endometrial thickness, endometrial pattern, number of center visits to monitor FET cycle, cost analysis per cycle, patient satisfaction
  2. Obstetrical outcomes in case of pregnancy: gestational age, birth weight, incidence of pregnancy- induced hypertension, pre-eclampsia, placenta previa, placenta accrete/increta/percreta, abruptio placentae, postpartum hemorrhage (early, late)

Investigational products

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

Test 2

Progynova 2 mg dragerade tabletter

PRD1776032 · Product

Active substance
Estradiol Valerate
Pharmaceutical form
COATED TABLET
Route of administration
ORAL
Max daily dose
8 mg milligram(s)
Max total dose
672 mg milligram(s)
Max treatment duration
12 Week(s)
Authorisation status
Authorised
ATC code
G03CA03 — ESTRADIOL
Marketing authorisation
4881
MA holder
BAYER OY
MA country
Finland
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Utrogestan 200 mg capsule molli vaginali

PRD10224843 · Product

Active substance
Progesterone, Micronised
Pharmaceutical form
VAGINAL CAPSULE, SOFT
Route of administration
VAGINAL USE
Max daily dose
600 mg milligram(s)
Max total dose
50.4 g gram(s)
Max treatment duration
12 Week(s)
Authorisation status
Authorised
ATC code
G03DA04 — PROGESTERONE
Marketing authorisation
050211010
MA holder
BESINS HEALTHCARE IRELAND LIMITED
MA country
Italy
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

UZ Leuven

Sponsor organisation
UZ Leuven
Address
Herestraat 49
City
Leuven
Postcode
3000
Country
Belgium

Scientific contact point

Organisation
UZ Leuven
Contact name
Joke De Roover

Public contact point

Organisation
UZ Leuven
Contact name
Joke De Roover

Locations

1 EU/EEA country · 5 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Ongoing, recruitment ended 554 5
Rest of world 0

Investigational sites

Belgium

5 sites · Ongoing, recruitment ended
UZ Leuven
gynaecology, Herestraat 49, 3000, Leuven
Ziekenhuis Aan De Stroom
gynaecology, Oosterveldlaan 24, 2610, Antwerp
Imelda
gynaecology, Imeldalaan 9, 2820, Bonheiden
Jessa Ziekenhuis
gynaecology, Stadsomvaart 11, 3500, Hasselt
Clinique Saint-Jean Kliniek Sint-Jan
gynaecology, Kruidtuinlaan 32, 1000, Brussels

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 2018-06-26 2018-10-15 2024-11-12

Results and documents

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

Documents 8 files

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

TypeTitleVersion
Protocol (for publication) D1_Protocol 2024-511890-30 6
Recruitment arrangements (for publication) K1_Recruitment Arrangements 1
Subject information and informed consent form (for publication) L1_ICF DUT 7
Subject information and informed consent form (for publication) L1_ICF EN 7
Subject information and informed consent form (for publication) L1_ICF FR 7
Summary of Product Characteristics (SmPC) (for publication) G2_SmPC Progynova 1
Summary of Product Characteristics (SmPC) (for publication) G2_SmPC Utrogestan 1
Synopsis of the protocol (for publication) D1_Protocol synopsis_2024-511890-30 1

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-01-17 Belgium Acceptable
2025-01-20
2025-01-22