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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00877292
Registration number
NCT00877292
Ethics application status
Date submitted
6/04/2009
Date registered
7/04/2009
Date last updated
3/06/2015
Titles & IDs
Public title
A New Prenatal Blood Test for Down Syndrome
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Scientific title
The RNA (RNA-Based Noninvasive Aneuploidy) Study
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Secondary ID [1]
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09-0004
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Universal Trial Number (UTN)
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Trial acronym
RNA
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Down Syndrome
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Trisomy 21
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Condition category
Condition code
Human Genetics and Inherited Disorders
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Down's syndrome
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Other
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Research that is not of generic health relevance and not applicable to specific health categories listed above
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Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Down syndrome - Women having CVS or amniocentesis who, as a group, have a high prevalence of Down syndrome.
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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The RNA study is an observational trial whose primary aim is to document the performance (sensitivity and specificity) of a laboratory developed test (LDT), using fetal nucleic acid in maternal plasma to identify Down syndrome in early pregnancy.
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Assessment method [1]
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Timepoint [1]
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Within 1st and 2nd trimesters
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Secondary outcome [1]
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The secondary aim is to develop a sample bank to allow documentation of subsequent improvements in the existing LDT or documenting performance of new methodologies.
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Assessment method [1]
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Timepoint [1]
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Late1st and early 2nd trimesters
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Eligibility
Key inclusion criteria
* Pregnant women between about 10 weeks and 21 weeks 6 days gestation who are undergoing a diagnostic procedure (i.e., chorionic villus sampling or amniocentesis) for karyotype analysis who have, on average, a high prevalence of Down syndrome (about 1:30 to 1:50).
* Three main sources are pregnancies screen positive for:
1. the combined test at 10 to 13 weeks (NT, PAPP-A and hCG)
2. the second trimester quadruple test at 15 to 18 weeks gestation
3. integrated screening (PAPP-A and the quadruple test, with or without NT).
* Variations of the integrated test such as sequential testing will also be acceptable.
* Other, less common high risk groups would be women having diagnostic testing because of maternal age of 38 years or older at delivery, pregnancies with an abnormal ultrasound highly suggestive of a chromosome abnormality (e.g., major heart defect, clenched fist), and women with an inherited form of Down syndrome (Robertsonian translocation).
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Nonpregnant women and women at relatively low risk for a Down syndrome baby.
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Study design
Purpose
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Duration
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Selection
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Timing
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/02/2009
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/05/2011
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Sample size
Target
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Accrual to date
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Final
4664
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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University of Sydney - St. Leonards
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Recruitment postcode(s) [1]
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2065 - St. Leonards
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Recruitment outside Australia
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United States of America
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Alabama
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United States of America
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California
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United States of America
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Connecticut
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United States of America
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Illinois
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Iowa
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Massachusetts
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United States of America
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Michigan
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United States of America
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Rhode Island
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United States of America
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Texas
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United States of America
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Utah
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United States of America
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Virginia
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Argentina
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Buenos Aires
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Canada
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Alberta
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Canada
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British Columbia
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Canada
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Nova Scotia
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Canada
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Ontario
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Czech Republic
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Zlinsky kraj
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Czech Republic
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Ceske Budejovice
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Hungary
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Budapest
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Hungary
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Pecs
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Ireland
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Dublin
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Israel
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Haifa
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Italy
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Genova
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Spain
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State/province [24]
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Catalonia
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Funding & Sponsors
Primary sponsor type
Other
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Name
Women and Infants Hospital of Rhode Island
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Address
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Other collaborator category [1]
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Commercial sector/industry
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Name [1]
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Sequenom, Inc.
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Address [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
The study will examine the sensitivity and specificity of a circulating cell-free nucleic acid test (DNA/RNA) to identify Down syndrome between about 10 weeks and 21 weeks 6 days gestation. In addition, the new test may be used to identify trisomy 13 and 18 as part of a more complete laboratory developed test. We hypothesize that the new circulating cell-free fetal NA-based test will accurately and precisely measure specific fetal markers in maternal circulation and that measurement will lead to the ability to noninvasively identify with high sensitivity and specificity, fetal chromosome abnormalities, such as Down syndrome.
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Trial website
https://clinicaltrials.gov/study/NCT00877292
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Trial related presentations / publications
Palomaki GE, Deciu C, Kloza EM, Lambert-Messerlian GM, Haddow JE, Neveux LM, Ehrich M, van den Boom D, Bombard AT, Grody WW, Nelson SF, Canick JA. DNA sequencing of maternal plasma reliably identifies trisomy 18 and trisomy 13 as well as Down syndrome: an international collaborative study. Genet Med. 2012 Mar;14(3):296-305. doi: 10.1038/gim.2011.73. Epub 2012 Feb 2. Canick JA, Kloza EM, Lambert-Messerlian GM, Haddow JE, Ehrich M, van den Boom D, Bombard AT, Deciu C, Palomaki GE. DNA sequencing of maternal plasma to identify Down syndrome and other trisomies in multiple gestations. Prenat Diagn. 2012 Aug;32(8):730-4. doi: 10.1002/pd.3892. Epub 2012 May 14. Palomaki GE, Kloza EM, Lambert-Messerlian GM, van den Boom D, Ehrich M, Deciu C, Bombard AT, Haddow JE. Circulating cell free DNA testing: are some test failures informative? Prenat Diagn. 2015 Mar;35(3):289-93. doi: 10.1002/pd.4541. Epub 2015 Jan 8. Lambert-Messerlian G, Kloza EM, Williams J 3rd, Loucky J, O'Brien B, Wilkins-Haug L, Mahoney MJ, De Biasio P, Borrell A, Ehrich M, van den Boom D, Bombard AT, Deciu C, Palomaki GE. Maternal plasma DNA testing for aneuploidy in pregnancies achieved by assisted reproductive technologies. Genet Med. 2014 May;16(5):419-22. doi: 10.1038/gim.2013.149. Epub 2013 Oct 3. Mazloom AR, Dzakula Z, Oeth P, Wang H, Jensen T, Tynan J, McCullough R, Saldivar JS, Ehrich M, van den Boom D, Bombard AT, Maeder M, McLennan G, Meschino W, Palomaki GE, Canick JA, Deciu C. Noninvasive prenatal detection of sex chromosomal aneuploidies by sequencing circulating cell-free DNA from maternal plasma. Prenat Diagn. 2013 Jun;33(6):591-7. doi: 10.1002/pd.4127. Canick JA, Palomaki GE, Kloza EM, Lambert-Messerlian GM, Haddow JE. The impact of maternal plasma DNA fetal fraction on next generation sequencing tests for common fetal aneuploidies. Prenat Diagn. 2013 Jul;33(7):667-74. doi: 10.1002/pd.4126. Epub 2013 May 31. Palomaki GE, Kloza EM, Lambert-Messerlian GM, Haddow JE, Neveux LM, Ehrich M, van den Boom D, Bombard AT, Deciu C, Grody WW, Nelson SF, Canick JA. DNA sequencing of maternal plasma to detect Down syndrome: an international clinical validation study. Genet Med. 2011 Nov;13(11):913-20. doi: 10.1097/GIM.0b013e3182368a0e. Palomaki GE, Ashwood ER, Best RG, Lambert-Messerlian G, Knight GJ. Is maternal plasma DNA testing impacting serum-based screening for aneuploidy in the United States? Genet Med. 2015 Nov;17(11):897-900. doi: 10.1038/gim.2015.39. Epub 2015 Apr 2. Kloza EM, Haddow PK, Halliday JV, O'Brien BM, Lambert-Messerlian GM, Palomaki GE. Evaluation of patient education materials: the example of circulating cell free DNA testing for aneuploidy. J Genet Couns. 2015 Apr;24(2):259-66. doi: 10.1007/s10897-014-9758-8. Epub 2014 Sep 10.
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Public notes
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Contacts
Principal investigator
Name
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Barbara O'Brien, MD
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Address
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Women and Infants Hospital
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Email
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Contact person for public queries
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Type
Citations or Other Details
Journal
Palomaki GE, Deciu C, Kloza EM, Lambert-Messerlian...
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Canick JA, Kloza EM, Lambert-Messerlian GM, Haddow...
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Palomaki GE, Kloza EM, Lambert-Messerlian GM, van ...
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Lambert-Messerlian G, Kloza EM, Williams J 3rd, Lo...
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Mazloom AR, Dzakula Z, Oeth P, Wang H, Jensen T, T...
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Canick JA, Palomaki GE, Kloza EM, Lambert-Messerli...
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Palomaki GE, Kloza EM, Lambert-Messerlian GM, Hadd...
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Results not provided in
https://clinicaltrials.gov/study/NCT00877292
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