NCT03554681

Brief Summary

This is an international multicentre prospective cohort study to validate the Bayes theorem based algorithms for the screening of pre-eclampsia (PE) in the first-trimester of pregnancy.

Trial Health

93
On Track

Trial Health Score

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

Enrollment
10,935

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Dec 2016

Typical duration for all trials

Geographic Reach
7 countries

14 active sites

Status
completed

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2016

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

May 9, 2018

Completed
1 month until next milestone

First Posted

Study publicly available on registry

June 13, 2018

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2018

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2019

Completed
Last Updated

January 2, 2020

Status Verified

December 1, 2019

Enrollment Period

2 years

First QC Date

May 9, 2018

Last Update Submit

December 31, 2019

Conditions

Keywords

Bayes Model

Outcome Measures

Primary Outcomes (1)

  • The false positive and true positive frequencies for screening for PE using the Bayes theorem based methods

    At delivery

Secondary Outcomes (1)

  • The false positive and true positive frequencies for screening of delivery of all-Small for Gestational Age (SGA) neonates and preterm-SGA neonates (delivery before 37 weeks), with or without PE

    At delivery

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All eligible women attending for their hospital visit at 11-13 weeks will be invited to participate.

You may qualify if:

  • Aged ≥ 18 years
  • Singleton pregnancy
  • Live fetus
  • Provide Informed and written consent in the official language of the country

You may not qualify if:

  • Unable to provide written Informed consent learning difficulties or serious mental illness or an inability to understand spoken and written the official language of the country.
  • Multiple Pregnancy
  • Non-viable fetus (missed spontaneous abortion or stillbirth)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (14)

First Affiliated Hospital of Kunming Medical University

Kunming, China

Location

Nanjing Drum Tower Hospital

Nanjing, China

Location

Kwong Wah Hospital

Hong Kong, Hong Kong

Location

Prince of Wales Hospital

Hong Kong, Hong Kong

Location

Mediscan Chennai

Chennai, Tamil Nadu, India

Location

Toyama University Hospital

Toyama, Toyama, Japan

Location

Clinical Research Institute of Fetal Medicine PMC

Osaka, Japan

Location

Affiliated hospitals within The Japan Society for the Study of Hypertension in Pregnancy (JSSHP)

Tokyo, Japan

Location

Showa University Hospital

Tokyo, Japan

Location

KK Women's and Children's Hospital

Singapore, Singapore

Location

National University Hospital

Singapore, Singapore

Location

Taipei Chang Gung Memorial Hospital

Taipei, Taiwan

Location

Chulalongkorn University Bangkok

Bangkok, Thailand

Location

Siriraj Hospital

Bangkok, Thailand

Location

Related Publications (15)

  • National Collaborating Centre for Women's and Children's Health (UK). Hypertension in Pregnancy: The Management of Hypertensive Disorders During Pregnancy. London: RCOG Press; 2010 Aug. Available from http://www.ncbi.nlm.nih.gov/books/NBK62652/

    PMID: 22220321BACKGROUND
  • Askie LM, Duley L, Henderson-Smart DJ, Stewart LA; PARIS Collaborative Group. Antiplatelet agents for prevention of pre-eclampsia: a meta-analysis of individual patient data. Lancet. 2007 May 26;369(9575):1791-1798. doi: 10.1016/S0140-6736(07)60712-0.

    PMID: 17512048BACKGROUND
  • Bujold E, Roberge S, Lacasse Y, Bureau M, Audibert F, Marcoux S, Forest JC, Giguere Y. Prevention of preeclampsia and intrauterine growth restriction with aspirin started in early pregnancy: a meta-analysis. Obstet Gynecol. 2010 Aug;116(2 Pt 1):402-414. doi: 10.1097/AOG.0b013e3181e9322a.

    PMID: 20664402BACKGROUND
  • Roberge S, Villa P, Nicolaides K, Giguere Y, Vainio M, Bakthi A, Ebrashy A, Bujold E. Early administration of low-dose aspirin for the prevention of preterm and term preeclampsia: a systematic review and meta-analysis. Fetal Diagn Ther. 2012;31(3):141-6. doi: 10.1159/000336662. Epub 2012 Mar 21.

    PMID: 22441437BACKGROUND
  • Roberge S, Giguere Y, Villa P, Nicolaides K, Vainio M, Forest JC, von Dadelszen P, Vaiman D, Tapp S, Bujold E. Early administration of low-dose aspirin for the prevention of severe and mild preeclampsia: a systematic review and meta-analysis. Am J Perinatol. 2012 Aug;29(7):551-6. doi: 10.1055/s-0032-1310527. Epub 2012 Apr 11.

    PMID: 22495898BACKGROUND
  • Wright D, Syngelaki A, Akolekar R, Poon LC, Nicolaides KH. Competing risks model in screening for preeclampsia by maternal characteristics and medical history. Am J Obstet Gynecol. 2015 Jul;213(1):62.e1-62.e10. doi: 10.1016/j.ajog.2015.02.018. Epub 2015 Feb 25.

    PMID: 25724400BACKGROUND
  • O'Gorman N, Wright D, Syngelaki A, Akolekar R, Wright A, Poon LC, Nicolaides KH. Competing risks model in screening for preeclampsia by maternal factors and biomarkers at 11-13 weeks gestation. Am J Obstet Gynecol. 2016 Jan;214(1):103.e1-103.e12. doi: 10.1016/j.ajog.2015.08.034. Epub 2015 Aug 19.

    PMID: 26297382BACKGROUND
  • Gallo DM, Wright D, Casanova C, Campanero M, Nicolaides KH. Competing risks model in screening for preeclampsia by maternal factors and biomarkers at 19-24 weeks' gestation. Am J Obstet Gynecol. 2016 May;214(5):619.e1-619.e17. doi: 10.1016/j.ajog.2015.11.016. Epub 2015 Nov 25.

    PMID: 26627730BACKGROUND
  • Tsiakkas A, Saiid Y, Wright A, Wright D, Nicolaides KH. Competing risks model in screening for preeclampsia by maternal factors and biomarkers at 30-34 weeks' gestation. Am J Obstet Gynecol. 2016 Jul;215(1):87.e1-87.e17. doi: 10.1016/j.ajog.2016.02.016. Epub 2016 Feb 12.

    PMID: 26875953BACKGROUND
  • Andrietti S, Silva M, Wright A, Wright D, Nicolaides KH. Competing-risks model in screening for pre-eclampsia by maternal factors and biomarkers at 35-37 weeks' gestation. Ultrasound Obstet Gynecol. 2016 Jul;48(1):72-9. doi: 10.1002/uog.15812. Epub 2016 May 30.

    PMID: 26566592BACKGROUND
  • Brown MA, Lindheimer MD, de Swiet M, Van Assche A, Moutquin JM. The classification and diagnosis of the hypertensive disorders of pregnancy: statement from the International Society for the Study of Hypertension in Pregnancy (ISSHP). Hypertens Pregnancy. 2001;20(1):IX-XIV. doi: 10.1081/PRG-100104165. No abstract available.

    PMID: 12044323BACKGROUND
  • Hypertension in pregnancy. Report of the American College of Obstetricians and Gynecologists' Task Force on Hypertension in Pregnancy. Obstet Gynecol. 2013 Nov;122(5):1122-1131. doi: 10.1097/01.AOG.0000437382.03963.88. No abstract available.

    PMID: 24150027BACKGROUND
  • Snijders RJ, Nicolaides KH. Fetal biometry at 14-40 weeks' gestation. Ultrasound Obstet Gynecol. 1994 Jan 1;4(1):34-48. doi: 10.1046/j.1469-0705.1994.04010034.x.

    PMID: 12797224BACKGROUND
  • Acharya G, Wilsgaard T, Berntsen GK, Maltau JM, Kiserud T. Reference ranges for serial measurements of umbilical artery Doppler indices in the second half of pregnancy. Am J Obstet Gynecol. 2005 Mar;192(3):937-44. doi: 10.1016/j.ajog.2004.09.019.

    PMID: 15746695BACKGROUND
  • Vyas S, Campbell S, Bower S, Nicolaides KH. Maternal abdominal pressure alters fetal cerebral blood flow. Br J Obstet Gynaecol. 1990 Aug;97(8):740-2. doi: 10.1111/j.1471-0528.1990.tb16250.x. No abstract available.

    PMID: 2205291BACKGROUND

Biospecimen

Retention: SAMPLES WITHOUT DNA

An additional blood 5ml sample, if agreed to by the study participant, for recovery of plasma for future research will be taken and archived at -80℃.

MeSH Terms

Conditions

Pre-Eclampsia

Condition Hierarchy (Ancestors)

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

Study Officials

  • Liona CY Poon

    Chinese University of Hong Kong

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Associate Professor (Clinical)

Study Record Dates

First Submitted

May 9, 2018

First Posted

June 13, 2018

Study Start

December 1, 2016

Primary Completion

December 1, 2018

Study Completion

September 1, 2019

Last Updated

January 2, 2020

Record last verified: 2019-12

Data Sharing

IPD Sharing
Will not share

Locations