NCT01472523

Brief Summary

A diagnostic peripheral maternal blood test taken and the free foetal DNA is analysed and the presence of trisomies using a novel method.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
1,632

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Apr 2007

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

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

April 1, 2007

Completed
4.5 years until next milestone

First Submitted

Initial submission to the registry

October 11, 2011

Completed
1 month until next milestone

First Posted

Study publicly available on registry

November 16, 2011

Completed
6.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2018

Completed
1.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2019

Completed
Last Updated

June 11, 2020

Status Verified

June 1, 2020

Enrollment Period

10.8 years

First QC Date

October 11, 2011

Last Update Submit

June 9, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Validation of method of novel analysis for Aneuploidy

    Analysis of maternal blood by a selective amplification of fetal DNA over maternal DNA within that sample. Patients to be followed up for 1 year.

    2013 Approx

Secondary Outcomes (1)

  • Optimization of existing methods for maximising ffDNA

    up to July 2019

Study Arms (2)

Controls

Aneuploidy

T13, 18, 21 and other chromosomal abnormalities yet to be determined

Eligibility Criteria

Age16 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Mothers attending clinic for routine screening. Followed up at around 1 years duration.

You may qualify if:

  • Patient/subject is willing and able to give informed consent for participation in the study.
  • Female, aged 16 years or above.
  • Currently pregnant at time of entry to the study.
  • Pregnancy having been identified as 'high-risk' by screening test.

You may not qualify if:

  • The patient/subject may not enter the study if ANY of the following apply:
  • The participant herself has Down's Syndrome or other chromosomal abnormality.
  • Children under 16
  • Adults with learning disabilities
  • Adults who are unconscious or very severely ill
  • Adults who have a terminal illness
  • Adults in emergency situations
  • Adults suffering from a mental illness
  • Adults with dementia
  • Prisoners
  • Young offenders
  • Adults who are unable to consent for themselves
  • Any person considered to have a particularly dependent relationship with investigators

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Premaitha Health

Manchester, M156SZ, United Kingdom

Location

Biospecimen

Retention: SAMPLES WITH DNA

Maternal peripheral blood samples taken in EDTA with that required for existing analysis. Approx 1ml of fluid from amniocentesis/chorionic villus sampling is taken additional. Patients will be followed up for 1 year after sample taken.

MeSH Terms

Conditions

Aneuploidy

Condition Hierarchy (Ancestors)

Chromosome AberrationsPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Brenda Kelly, MBBS

    National Health Service, United Kingdom

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
OTHER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 11, 2011

First Posted

November 16, 2011

Study Start

April 1, 2007

Primary Completion

February 1, 2018

Study Completion

December 1, 2019

Last Updated

June 11, 2020

Record last verified: 2020-06

Locations