NCT05625724

Brief Summary

This study seeks to validate the hypothesis that nulliparous pregnant women after Assisted Reproductive Technology (ART) are at high risk of preeclampsia and perinatal complications and represent a subgroup for which aspirin prophylaxis during pregnancy may be effective in the prevention of preterm preeclampsia and other perinatal adverse outcomes.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,164

participants targeted

Target at P75+ for phase_3

Timeline
36mo left

Started Aug 2023

Longer than P75 for phase_3

Geographic Reach
1 country

21 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress49%
Aug 2023May 2029

First Submitted

Initial submission to the registry

November 14, 2022

Completed
9 days until next milestone

First Posted

Study publicly available on registry

November 23, 2022

Completed
8 months until next milestone

Study Start

First participant enrolled

August 2, 2023

Completed
5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2028

Expected
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2029

Last Updated

May 7, 2026

Status Verified

May 1, 2026

Enrollment Period

5 years

First QC Date

November 14, 2022

Last Update Submit

May 4, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Effect of aspirin 150mg daily initiated between 9 and 14 weeks of gestation versus placebo in the prevention of preterm (<37 weeks of gestation) preeclampsia

    Occurrence of preterm (\<37 weeks of gestation) preeclampsia (binary variable yes/no)

    Up to 9 months

Secondary Outcomes (7)

  • Compare the effect of aspirin 150mg daily initiated between 9 and 14 weeks of gestation versus placebo on spontaneous and total preterm birth <34 weeks of gestation

    Up to 8 months

  • Compare the effect of aspirin 150mg daily initiated between 9 and 14 weeks of gestation versus placebo on spontaneous and total preterm birth <37 weeks of gestation

    Up to 9 months

  • Compare the effect of aspirin 150mg daily initiated between 9 and 14 weeks of gestation versus placebo on occurrence of preeclampsia <34 weeks of gestation, term preeclampsia (≥ 37 weeks of gestation)

    Up to 8 months

  • Compare the effect of aspirin 150mg daily initiated between 9 and 14 weeks of gestation versus placebo on occurrence of cesarean delivery

    Up to 9 months

  • Compare the effect of aspirin 150mg daily initiated between 9 and 14 weeks of gestation versus placebo on occurrence of postpartum hemorrhage (>500ml)

    Up to 9 months

  • +2 more secondary outcomes

Study Arms (2)

Aspirin

EXPERIMENTAL

Low-dose Aspirin: 150mg, daily, oral route, at bedtime, initiated between 9 and 14 weeks of gestation, until 35 (+6) weeks of gestation, or in the event of earlier delivery, until the onset of labor.

Drug: Aspirin

Control

PLACEBO COMPARATOR

Matching placebo administrated daily, oral route, at bedtime, initiated between 9 and 14 weeks of gestation, until 35 (+6) weeks of gestation, or in the event of earlier delivery, until the onset of labor.

Drug: Placebo

Interventions

Experimental drug administrated orally

Aspirin

Treatment for the control group

Control

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Nulliparous women aged 18 years or more
  • Pregnancy following ART, including in vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI), oocyte donation or intrauterine insemination with sperm donor
  • Singleton pregnancy
  • Evolutive pregnancy between 9 and 14 weeks of gestation
  • Women affiliated to a French Social Security Insurance or equivalent social protection
  • Written informed consent

You may not qualify if:

  • Major fetal abnormality
  • Regular treatment with aspirin (including antiphospholipid syndrome)
  • Aspirin contraindications (allergy, von Willebrand disease, peptic ulceration, hemophilia)
  • Women protected by law.
  • Women included in another interventional study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (21)

CHU Angers

Angers, France

RECRUITING

CHU Bordeaux

Bordeaux, France

RECRUITING

CHU Clermont-Ferrand

Clermont-Ferrand, France

RECRUITING

CHU Dijon-Bourgogne

Dijon, France

RECRUITING

CHU Lille

Lille, France

RECRUITING

HCL - Groupement Hospitalier Est, Hôpital Femme Mère Enfant

Lyon, France

RECRUITING

AP-HM Hôpital de la Conception

Marseille, France

RECRUITING

AP-HM Hôpital Nord

Marseille, France

RECRUITING

CHU Montpellier

Montpellier, France

RECRUITING

CHRU Nancy

Nancy, France

RECRUITING

CHU Nantes

Nantes, France

RECRUITING

CHU Nîmes

Nîmes, France

RECRUITING

Groupe hospitalier St Joseph

Paris, France

RECRUITING

Hôpital Armand - Trousseau

Paris, France

NOT YET RECRUITING

Hôpital Cochin

Paris, France

RECRUITING

CHI Poissy Saint Germain en Laye

Poissy, France

RECRUITING

CHU Poitiers

Poitiers, France

NOT YET RECRUITING

CHU Rennes

Rennes, France

RECRUITING

CHU Saint Etienne, Hôpital Nord

Saint-Etienne, France

RECRUITING

CHU Strasbourg

Strasbourg, France

RECRUITING

CHU Toulouse

Toulouse, France

RECRUITING

MeSH Terms

Conditions

Pre-Eclampsia

Interventions

Aspirin

Condition Hierarchy (Ancestors)

Hypertension, Pregnancy-InducedPregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital Diseases

Intervention Hierarchy (Ancestors)

SalicylatesHydroxybenzoatesPhenolsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • Christophe VAYSSIERE, MD

    University Hospital, Toulouse

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Delphine DUCHANOIS, Midwife

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 14, 2022

First Posted

November 23, 2022

Study Start

August 2, 2023

Primary Completion (Estimated)

August 1, 2028

Study Completion (Estimated)

May 1, 2029

Last Updated

May 7, 2026

Record last verified: 2026-05

Data Sharing

IPD Sharing
Will not share

Locations