NCT07745036Recruiting
Role of Progesterone Membrane Receptors in the Pathogenesis of Preeclampsia
Investigation of Progesterone Membrane Receptor Expression in Placental Tissue of Women With Preeclampsia and Their Potential Role in the Pathogenesis of Preeclampsia
Source: ClinicalTrials.gov · Last updated 4 Aug 2026
Brief summary (registry, in English)
Preeclampsia is a pregnancy-specific hypertensive disorder and remains a leading cause of maternal and perinatal morbidity and mortality worldwide. Although abnormal placentation, impaired trophoblast invasion, endothelial dysfunction, and immune dysregulation have been implicated in its pathogenesis, the underlying molecular mechanisms are not fully understood. Progesterone plays a critical role in the maintenance of pregnancy through both classical nuclear receptors and membrane-associated progesterone receptors. Emerging evidence suggests that progesterone membrane receptors, including progesterone receptor membrane component 1 (PGRMC1), progesterone receptor membrane component 2 (PGRMC2), and members of the progestin and adipoQ receptor (PAQR) family, may regulate trophoblast invasion, placental development, and inflammatory responses. This study aims to compare the placental expression levels of PGRMC1, PGRMC2, and PAQR family receptors between women with preeclampsia and healthy pregnant controls and to investigate their potential role in the pathophysiology of preeclampsia.
- Status (registry)
- Recruiting
- Study type
- Observational
- Enrollment
- 90 (estimated)
- First submitted
- 29 Jul 2026
- Start date
- 1 Sept 2025
- Primary completion date
- 1 Jan 2027
- Lead sponsor
- Samsun University
- NCT number
- NCT07745036
What you commit to
- Study type: Observational
- Planned participants: 90
- From 1 Sept 2025 to the primary completion date, 1 Jan 2027
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Age
- Age \<18 or \>45 years Multiple gestation Fetal structural or chromosomal anomalies Chronic hypertension Pre-existing diabetes mellitus Autoimmune diseases Renal disease Other major systemic disorders
Other
- \-
Who the study is looking for
- Preeclampsia Group Women aged 18-45 years Singleton pregnancy Diagnosis of preeclampsia according to ACOG criteria Delivery at the study center Written informed consent Control Group Women aged 18-45 years Singleton pregnancy Normotensive healthy pregnancy Delivery at the study center Written informed consent
Age in the registry: 18 years to 45 years · Sex: Female · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Samsun University Faculty of Medicine Samsun Training and Research Hospital Coordinator of this site? Confirm its status | Samsun | Turkey (Türkiye) | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.