Extracellular Matrix Remodeling of the Umbilical Cord and Placenta in Preeclampsia

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01931891
Recruitment Status : Unknown
Verified July 2013 by Ayse Kirbas, Zekai Tahir Burak Maternity and Teaching Hospital.
Recruitment status was:  Recruiting
First Posted : August 29, 2013
Last Update Posted : August 30, 2013
Turgut Ozal University
Information provided by (Responsible Party):
Ayse Kirbas, Zekai Tahir Burak Maternity and Teaching Hospital

Brief Summary:

Preeclampsia affects 2% to 8% of all pregnancies and is a major cause of maternal morbidity an mortality worldwide.Althought the primary pathology leading to preeclampsia is remain not known, complex pathophysiologic pathways and mechanisms have been described.

New blood vessels evolve during angiogenesis and vasculogenesis, two physiological processes, that play a crucial role in embryogenesis and placentation. Structural alterations in the human umbilical cord, maternal spiral arteries can cause adverse fetal consequences.Pre-eclampsia is accompanied by an extensive remodelling of the ECM of the umbilical cord. Pre-eclamptic Wharton's jelly contains higher amounts of glycosaminoglycans in comparison to control tissue.

Matrixmetalloproteinases (MMPs) are a family of proteolytic enzymes that degrade various components of the extracellular matrix (ECM). A Disintegrin And Metalloproteinases (ADAMs) and ADAMs with Thrombospondin motifs (ADAMTS) are proteinases closely related to Matrix Metalloproteinases (MMPs). Dysregulation of ADAMs and ADAMTS expression have been reported in different types of pathologies such as cancer, osteoarthritis, neurodegenerative inflammation or asthma.

The role of ADAMTS in the pathomechanism of pre-eclampsia has not been studied until now. We therefore decided to compare the ADAMTS composition of the umbilical cord and placenta from newborns of mothers with pre-eclampsia with those with normal pregnancy.

Condition or disease
Alterations of ECM in Umbilical Cord ECM in Preeclampisa Alterations of ECM in Placenta in Preeclampisa

  Show Detailed Description

Study Type : Observational
Estimated Enrollment : 20 participants
Observational Model: Case Control
Time Perspective: Cross-Sectional
Study Start Date : July 2013
Estimated Primary Completion Date : February 2014
Estimated Study Completion Date : July 2014

Resource links provided by the National Library of Medicine

U.S. FDA Resources


Primary Outcome Measures :
  1. severe preclampsia [ Time Frame: 34 weeks ]

Biospecimen Retention:   Samples With DNA
umbilical cord placenta

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 39 Years   (Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
preeclamptic women

Inclusion Criteria:

Clinical diagnosis of preeclampsia (diagnosed per ACOG criteria)

Exclusion Criteria:

known chronic disease multipl pregnancies

Exclusion Criteria:

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01931891

Contact: ayse kirbas, md 533-646-9213

Zekai Tahir Burak Maternity Hospital Recruiting
Ankara, Turkey
Contact: nuri danisman, md    306-5000      
Principal Investigator: ayse kirbas, md         
Sponsors and Collaborators
Zekai Tahir Burak Women's Health Research and Education Hospital
Turgut Ozal University
Principal Investigator: ayse kirbas, md zekai tahir burak hospital

Responsible Party: Ayse Kirbas, Zekai Tahir Burak Maternity and Teaching Hospital Identifier: NCT01931891     History of Changes
Other Study ID Numbers: ztb- wharton jelly
First Posted: August 29, 2013    Key Record Dates
Last Update Posted: August 30, 2013
Last Verified: July 2013

Keywords provided by Ayse Kirbas, Zekai Tahir Burak Maternity and Teaching Hospital:
preeclampsia, ADAMTS , wharton jelly, extracellüler matrix, placenta

Additional relevant MeSH terms:
Hypertension, Pregnancy-Induced
Pregnancy Complications