Fetal, Obstetrics and Reproduction Genomics

NCT ID: NCT05720169

Last Updated: 2023-09-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

400 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-10-01

Study Completion Date

2024-12-31

Brief Summary

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The purpose of this study is to determine the impact of a clinical screening strategy and genomic analysis of the factors involved in Placental Dysfunction (Preeclampsia and IUGR) in women of advanced maternal age undergoing assisted reproduction techniques (ART), specifically, in vitro fertilization (IVF) and oocyte donation.

Detailed Description

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Given society's shift towards later childbearing, partly related to increased career development, women are increasingly delaying childbearing and, as a result, face declining biological fertility and increased maternal morbidity and adverse perinatal pregnancy outcomes, as well as increased use of ART. Preeclampsia (PE) complicates 2% of pregnancies and is a leading cause of severe maternal and perinatal complications. There is no curative treatment, and the only recognized beneficial primary prevention is low-dose aspirin. Finding an effective method of predicting and preventing placental dysfunction (PD) in women of advanced maternal age undergoing ART remains a challenge.

The investigators believe that maternal and perinatal complications in this group of pregnant women could be detected preclinically and allow early preventive actions.

On the other hand, establishing a differentiated genomic pattern in this group of patients would allow preventive actions both pregestational and during gestation. Furthermore, FORgenomics can be used to externally validate a prediction model for the development of PE and IUGR in pregnancy after IVF/ovodon. Our results could be applicable in most healthcare settings and have important implications for maternal-fetal health.

The justification and hypothesis of this proposal is: (1) maternal and perinatal complications in this group of pregnant women could be detected preclinically and allow preventive actions by systematic screening based on Doppler ultrasound of uterine arteries and anti-angiogenic factors (sFlt-1/PlGF ratio) at 13, 16, 20 and 26 weeks to identify pregnant women at high risk for developing PE; (2) morphological ultrasound at 13, 16 and 20 weeks would help to establish a standardized procedure for early detection of congenital anomalies and (3) establishing a differentiated genomic pattern in this group of patients would allow preventive actions both pregestational and during gestation.

Conditions

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Preeclampsia Intrauterine Growth Restriction Placental Disease

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Interventions

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Doppler ultrasound

Doppler ultrasound at 13, 16, 20 and 26 weeks for assessment of uterine arteries according to ISUOG criteria.

Intervention Type DIAGNOSTIC_TEST

Blood sample

Blood sampling at 13, 16, 20, 26 weeks of gestation to determine the sFlt-1/PlGF ratio

Intervention Type DIAGNOSTIC_TEST

Blood sample

Blood sampling at week 13 for DNA extraction for genomic studies

Intervention Type DIAGNOSTIC_TEST

Doppler ultrasound

Fetal morphological ultrasound at 13, 16 and 20 weeks.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Singleton pregnancy
* Age ≥40 years
* Signed informed consent
* Gestation obtained by IVF or ovodonation

Exclusion Criteria

* Non-ongoing pregnancy
* Gestation obtained by artificial insemination
* Naturally obtained gestation, without ART
* Multiple pregnancy
* Pregnancies complicated by major fetal abnormality identified at the first-trimester ultrasound
* Age \<18 years
* Poor understanding of the Spanish or English languages
* Refusal in informed consent to participate in the study
* Participation in another intervention study that could modify follow-up
Minimum Eligible Age

40 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Hospitales Universitarios Virgen del Rocío

OTHER

Sponsor Role collaborator

University of Seville

OTHER

Sponsor Role collaborator

Clínicas Ginemed

UNKNOWN

Sponsor Role collaborator

FIRST - Fetal, IVF and Reproduction Simulation Training Center

UNKNOWN

Sponsor Role collaborator

Fundación Ginemed

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Central Contacts

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Guillermo Antiñolo Gil, PhD, MD

Role: CONTACT

0034955012772

Lutgardo García-Díaz, PhD, MD

Role: CONTACT

0034955012772

References

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Other Identifiers

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0001

Identifier Type: -

Identifier Source: org_study_id

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