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19 studies found for:    "trisomy 18"
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Rank Status Study
1 Active, not recruiting Study of the Efficacy of New Non-invasive Prenatal Tests for Screening for Fetal Trisomies Using Maternal Blood
Conditions: Trisomy 21;   Trisomy 18;   Trisomy 13
Interventions: Other: Integrated prenatal screening for Down's syndrome;   Other: Serum QUAD Assay for aneuploidy screening;   Other: Semiconductor MPSS NIPT assay using ccfDNA in maternal blood;   Other: Optical-based MPSS NIPT assay using ccfDNA in maternal blood;   Other: Harmony™ Test (Ariosa Diagnostics)
2 Recruiting Non-Invasive Screening for Fetal Aneuploidy
Conditions: Down Syndrome;   Edwards Syndrome
Intervention: Other: Maternal Blood Draw
3 Completed Non-Invasive Screening for Fetal Aneuploidy
Conditions: Down Syndrome;   Edwards Syndrome
Intervention: Other: Maternal blood screening test for fetal aneuploidy
4 Active, not recruiting Prenatal Non-invasive Aneuploidy Test Utilizing SNPs Trial
Conditions: Trisomy 13;   Trisomy 18;   Trisomy 21;   Aneuploidy
Intervention: Procedure: Blood Draw
5 Recruiting High Risk Multiple Gestation Study
Conditions: Trisomy 13;   Trisomy 18;   Trisomy 21;   Sex Chromosome Abnormalities
Intervention:
6 Recruiting Multiple Gestation Study
Conditions: Trisomy 13;   Trisomy 18;   Trisomy 21;   Sex Chromosome Abnormalities
Intervention:
7 Completed Prenatal Screening for Down Syndrome With DNAFirst
Conditions: Trisomy 21;   Trisomy 18;   Trisomy 13;   Monosomy X
Intervention:
8 Completed Non-Invasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker
Conditions: Down Syndrome (Trisomy 21);   Edwards Syndrome (Trisomy 18);   Patau Syndrome (Trisomy 13);   Turner Syndrome
Intervention:
9 Recruiting Development of Non-invasive Prenatal Test for Microdeletion and Other Genetic Syndromes Based on Cell Free DNA
Conditions: Microdeletion Syndromes;   Trisomy 21;   Trisomy 18;   Trisomy 13;   Sex Chromosome Abnormalities
Intervention:
10 Recruiting Development of Non-invasive Prenatal Screening Test for Microdeletions Based on Fetal DNA Isolated From Maternal Blood
Conditions: Trisomy 21;   Trisomy 18;   Trisomy 13;   Sex Chromosome Abnormalities;   Microdeletion Syndromes
Intervention:
11 Terminated Clinical Performance of the MaterniT21 PLUS LDT in Multiple Gestation Pregnancies
Conditions: Down Syndrome;   Edwards Syndrome;   Patau Syndrome;   Turner Syndrome
Intervention:
12 Completed Noninvasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker
Conditions: Pregnancy;   Aneuploidy;   Down Syndrome;   Edwards Syndrome
Intervention:
13 Recruiting Non-Invasive Chromosomal Evaluation of Trisomy Study
Conditions: Aneuploidy;   Trisomy 21;   Trisomy 18;   Trisomy 13;   Down Syndrome
Intervention:
14 Completed Comparison of Aneuploidy Risk Evaluations
Conditions: Pregnancy;   Down Syndrome;   Edwards Syndrome;   Patau Syndrome;   Turners Syndrome
Intervention:
15 Unknown  Non-Invasive Determination of Fetal Chromosome Abnormalities
Conditions: Down Syndrome (Trisomy 21);   Edward's Syndrome (Trisomy 18);   Patau Syndrome (Trisomy 13);   Klinefelter Syndrome (47, XXY);   and Other Chromosome;   Abnormalities.
Intervention:
16 Recruiting SNP-based Microdeletion and Aneuploidy RegisTry (SMART)
Conditions: 22q11 Deletion Syndrome;   DiGeorge Syndrome;   Trisomy 21;   Trisomy 18;   Trisomy 13;   Monosomy X;   Sex Chromosome Abnormalities;   Cri-du-Chat Syndrome;   Angelman Syndrome;   Prader-Willi Syndrome;   1p36 Deletion Syndrome
Intervention:
17 Recruiting Expanded Noninvasive Genomic Medical Assessment: The Enigma Study
Conditions: Down Syndrome;   Edwards Syndrome;   Patau Syndrome;   Klinefelter Syndrome;   Turner Syndrome;   DiGeorge Syndrome;   Chromosome Deletion;   Aneuploidy
Intervention: Other: Blood sampling for Laboratory Developed Test (LDT) analysis
18 Recruiting Whole Blood Specimen Collection From Pregnant Subjects
Conditions: Down Syndrome;   Edwards Syndrome;   Patau Syndrome;   Klinefelter Syndrome;   Turner Syndrome;   DiGeorge Syndrome;   Perinatal Infections
Intervention: Other: Observational - no intervention
19 Completed Non-invasive Prenatal Diagnostic Validation Study
Conditions: Chromosome 13 Aneuploidy;   Chromosome 18 Aneuploidy;   Chromosome 21 Aneuploidy;   Sex Chromosome Aberrations;   Other Microdeletions
Interventions: Procedure: Blood draw;   Procedure: Cheek swab/Saliva Sampling

Study has passed its completion date and status has not been verified in more than two years.