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Molekulare Untersuchung der Schnittstelle zwischen Mutter und Fötus bei Präeklampsie. (PREMAFE)

5. Oktober 2026 aktualisiert von: Carlos Simon Foundation

Molekulare Untersuchung der Schnittstelle zwischen Mutter und Fötus prospektiv bis zum Auftreten einer Präeklampsie mithilfe der Einzelzelltechnologie.

Preeclampsia (PE) is a major obstetric complication with short- and long-term consequences for the mother and the fetus. Early screening tools to reduce its mortality and morbidity, as well as to prevent the life-threatening consequences are needed. Thus, the detection of women at risk of suffering PE is key to apply preventive and treatment strategies. Recently, the maternal contribution to PE based on defective decidualization that prevents the establishment of a functional maternal-fetal interface has been evidenced. The main objective of this study is to identify molecular markers or aberrant maternal-fetal cell types that can be detected early in the development of the disease in maternal-fetal interface tissue (chorionic villi + decidua) collected during gestational weeks 9 to 15. Maternal-fetal interface biopsy will be collected from women who have a recommendation for aneuploidy testing. The remaining fragment will be used for this study.

Studienübersicht

Detaillierte Beschreibung

The hypothesis is that those women who develop PE have impaired decidualization associated with shallow cytotrophoblast invasion during the development of the maternal-fetal interface whose molecular profile analysis at the single cell level will allow characterization of PE development prior to the onset of symptoms.

The purposed study is a biomedical, prospective, multicentre, case-control aimed to characterize the molecular profile of the maternal-fetal interface in the first trimester of pregnancy early in the development of preeclampsia using single-cell sequencing technology. Distinguishing the maternal and fetal origin of the chorionic biopsy cells, describing the maternal-fetal interface and deciphering the intercellular communications and altered pathways in PE and other obstetric complications could be suggested as a secondary outcome, as well as the characterization of the blood sample, the epigenome and metabolome of single cells or the validation of markers of the different cell types. Another objective will be to perform a molecular characterization of maternal-fetal blood and tissue samples collected at the time of delivery, with the aim of correlating the alterations detected in the first trimester with the molecular profiles at the end of pregnancy in both PE patients and controls.

Subjects will be 2084 pregnant women over the age of 18 recruited between 9 and 15 gestational weeks. Patients attending the participating referral centers for a chorionic villus biopsy due to the detection of a foetal chromosomal abnormality risk will provide the leftover chorionic biopsy sample after determination of the risk of trisomies and a peripheral blood sample for genotyping of maternal lymphocytes and circulating cRNA.

Data will be registered in an electronic Case Report Form (eCRF) specifically designed for this study. Monitoring activities and data verification will be performed during the whole study to ensure data quality, integrity and transparency.

The total estimated duration of the study is 52 months, of which the first 48 months will correspond to the recruitment period of the participants.

Studientyp

Beobachtungs

Einschreibung (Geschätzt)

2084

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

  • Name: Carlos Simón, MD, PhD

Studieren Sie die Kontaktsicherung

Studienorte

    • Alicante
      • Alicante, Alicante, Spanien
        • Rekrutierung
        • Hospital General Universitario Dr. Balmis
        • Kontakt:
    • Murcia
      • Murcia, Murcia, Spanien
        • Rekrutierung
        • Hospital Clinico Universitario Virgen de la Arrixaca
        • Kontakt:
    • Santa Cruz de Tenerife
      • Santa Cruz de Tenerife, Santa Cruz de Tenerife, Spanien
        • Rekrutierung
        • Hospital Universitario de Canarias
        • Kontakt:
        • Unterermittler:
          • Walter Plasencia Acevedo
    • Valencia
      • Valencia, Valencia, Spanien
        • Rekrutierung
        • Hospital Universitario y Politécnico La Fe
        • Kontakt:
        • Kontakt:

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

N/A

Studienberechtigte Geschlechter

Weiblich

Probenahmeverfahren

Nicht-Wahrscheinlichkeitsprobe

Studienpopulation

Pregnant women over the age of 18 recruited between 9 and 15 gestational weeks who attend the participating referral centers for a chorionic villus biopsy due to the detection of a foetal chromosomal abnormality risk.

Beschreibung

Inclusion Criteria:

  • Patients whose written informed consent approved by the Ethics Committee (EC) has been obtained, after having been duly informed of the nature of the study and voluntarily accepted to participate after being fully aware of the potential risks, benefits and any discomfort involved.
  • Women over the age of 18 at the time of signing the informed consent form.
  • Pregnant women with a single gestation between weeks 9 and 15 of gestation who will undergo a chorionic villus biopsy according to the centre's usual clinical practice.

Exclusion Criteria:

  • Women with multiple pregnancy.
  • Non-evolving pregnancies (including delayed abortion/foetal orbit).

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Beobachtungsmodelle: CASE_CONTROL
  • Zeitperspektiven: PROSPECTIVE

Kohorten und Interventionen

Gruppe / Kohorte
Intervention / Behandlung
Cases group

Women recruited between 9 and 15 gestational weeks diagnosed with preeclampsia or other complication at the end of pregnancy.

Maternal-fetal interface tissue (chorionic villi and decidua) will be collected from women who have a recommendation for aneuploidy testing, and the remaining fragment will be used for this study and peripheral blood collection in cases group. Clinical data will be compiled.

Control group

Women recruited between 9 and 15 gestational weeks without diagnosis of preeclampsia or other complication at the end of the pregnancy

Maternal-fetal interface tissue (chorionic villi and decidua) will be collected from women who have a recommendation for aneuploidy testing, and the remaining fragment will be used for this study and peripheral blood collection in control group. Clinical data will be compiled.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
To charactize the molecular profile of the maternal-fetal interface between 9 and 15 weeks of gestation in healthy and preeclamptic pregnancies
Zeitfenster: From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks

Differentially expressed genes between control vs preeclampsia group at the level of cell types/subtypes

From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
To characterise the molecular profile of the maternal-fetal interface between 9 and 15 weeks of gestation in pregnancies diagnosed with pregnancy complication other than preeclampsia
Zeitfenster: From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks

Differentially expressed genes between control vs cases group at the level of cell types/subtypes.

From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks
To characterize the molecular profile of the maternal-fetal interface at the end of pregnancy in healthy and preeclamptic pregnancies
Zeitfenster: From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks

Differentially expressed genes between control vs preeclampsia group at the level of cell types/subtypes

From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks
To characterise the epigenome and metabolome of individual cells from the maternal-fetal interface in healthy pregnancies and those diagnosed with preeclampsia or other pregnancy complication
Zeitfenster: From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks

Differentially methylation profiles and differentially metabolites between control vs cases group at the level of cell types/subtypes.

From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks
The discovery and validation of molecular markers as candidates for early diagnosis and/or therapy
Zeitfenster: From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks

Area Under the ROC Curve and/or cell type phenotyping in in vitro cultures after disrupting the candidate

From the date of enrollment (minimum 9 weeks) until the end of pregnancy (maximum 43 weeks), assessed up to 34 weeks

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Ermittler

  • Hauptermittler: Tamara Garrido, PhD, Fundación Carlos Simon para la investigación en salud de la mujer

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

20. November 2023

Primärer Abschluss (Geschätzt)

1. Dezember 2027

Studienabschluss (Geschätzt)

1. Dezember 2027

Studienanmeldedaten

Zuerst eingereicht

22. Januar 2024

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

22. Januar 2024

Zuerst gepostet (Tatsächlich)

31. Januar 2024

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

6. Oktober 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

5. Oktober 2026

Zuletzt verifiziert

1. Oktober 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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