Non Invasive Prenatal Testing of Down Syndrome
SAFE 21
2 other identifiers
interventional
2,111
1 country
1
Brief Summary
This is a randomized controlled trial in women at risk following combined prenatal screening for Down Syndrome. Women will be asked about their preferences between NIPT and routine prenatal diagnosis based on a dedicated questionnaire. Women will then be randomized between NIPT and standard invasive prenatal diagnosis.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Apr 2014
Typical duration for not_applicable
1 active site
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
First Submitted
Initial submission to the registry
April 2, 2014
CompletedStudy Start
First participant enrolled
April 8, 2014
CompletedFirst Posted
Study publicly available on registry
April 30, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 7, 2016
CompletedStudy Completion
Last participant's last visit for all outcomes
November 7, 2016
CompletedSeptember 19, 2025
September 1, 2025
2.6 years
April 2, 2014
September 15, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number or miscarriages
at birth
Secondary Outcomes (4)
Number or invasive tests
at birth
false positive and negative rates of NIPT
At birth
Dedicated questionnaire for patients
day 5
Cost of invasive tests and NIPT in euros
at birth
Study Arms (2)
Non Invasive Prenatal Testing
EXPERIMENTALBlood sample
Invasive Prenatal Testing
ACTIVE COMPARATORCVS or amniocentesis
Interventions
Eligibility Criteria
You may qualify if:
- pregnant women over 18
- at risk for Down syndrome\> 1/250 based on combined screening using ultrasound together with maternal serum markers and prior to fetal karyotyping
- singleton pregnancy
- pregnancy between 11SA et 18SA
- willing a fetal karyotype
You may not qualify if:
- risk for Down syndrome\< 1/250 or \>1/5
- NT\> 3 mm, PAPP-A or beta HCG \<0.3 MoM or \>5 MoM
- multiple pregnancy , vanishing twin
- morphological abnormalities at US
- Kown chromosomal anomaly in parents
- Patients not willing a fetal karyotype
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Hôpital Necker- Enfants Malades
Paris, 75015, France
Related Publications (3)
Le Bras A, Salomon LJ, Bussieres L, Malan V, Elie C, Mahallati H, Ville Y, Vekemans M, Durand-Zaleski I. Cost-effectiveness of five prenatal screening strategies for trisomies and other unbalanced chromosomal abnormalities: model-based analysis. Ultrasound Obstet Gynecol. 2019 Nov;54(5):596-603. doi: 10.1002/uog.20301.
PMID: 31006923BACKGROUNDSeror V, L'Haridon O, Bussieres L, Malan V, Fries N, Vekemans M, Salomon LJ, Ville Y; SAFE 21 Study Group. Women's Attitudes Toward Invasive and Noninvasive Testing When Facing a High Risk of Fetal Down Syndrome. JAMA Netw Open. 2019 Mar 1;2(3):e191062. doi: 10.1001/jamanetworkopen.2019.1062.
PMID: 30924894BACKGROUNDMalan V, Bussieres L, Winer N, Jais JP, Baptiste A, Le Lorc'h M, Elie C, O'Gorman N, Fries N, Houfflin-Debarge V, Sentilhes L, Vekemans M, Ville Y, Salomon LJ; SAFE 21 Study Group. Effect of Cell-Free DNA Screening vs Direct Invasive Diagnosis on Miscarriage Rates in Women With Pregnancies at High Risk of Trisomy 21: A Randomized Clinical Trial. JAMA. 2018 Aug 14;320(6):557-565. doi: 10.1001/jama.2018.9396.
PMID: 30120476BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Laurent J Salomon, MD, PhD
Assistance Publique - Hôpitaux de Paris
- STUDY DIRECTOR
Michel VEKEMANS, MD, PhD
Assistance Publique - Hôpitaux de Paris
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 2, 2014
First Posted
April 30, 2014
Study Start
April 8, 2014
Primary Completion
November 7, 2016
Study Completion
November 7, 2016
Last Updated
September 19, 2025
Record last verified: 2025-09