Expanded NIPT for Pregnancy Complications
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ClinicalTrials.gov Identifier: NCT04311749 |
Recruitment Status :
Recruiting
First Posted : March 17, 2020
Last Update Posted : July 27, 2021
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Condition or disease | Intervention/treatment |
---|---|
Fetal Growth Restriction Preeclampsia Severe | Genetic: Expanded panel cell free DNA testing (non-invasive prenatal testing) Genetic: Placental biopsy Genetic: Umbilical cord blood |
Study Type : | Observational |
Estimated Enrollment : | 200 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | The Role of Expanded Panel Non-Invasive Prenatal Testing in Identifying Rare Autosomal Trisomies in Pregnancies With Placentally-Mediated Complications |
Actual Study Start Date : | February 12, 2020 |
Estimated Primary Completion Date : | December 31, 2022 |
Estimated Study Completion Date : | December 31, 2022 |

Group/Cohort | Intervention/treatment |
---|---|
Fetal growth restriction |
Genetic: Expanded panel cell free DNA testing (non-invasive prenatal testing)
Maternal blood sampling Genetic: Placental biopsy Post-delivery placental sampling Genetic: Umbilical cord blood Post-delivery umbilical cord blood sampling |
Severe preeclampsia |
Genetic: Expanded panel cell free DNA testing (non-invasive prenatal testing)
Maternal blood sampling Genetic: Placental biopsy Post-delivery placental sampling Genetic: Umbilical cord blood Post-delivery umbilical cord blood sampling |
Low PAPP-A |
Genetic: Expanded panel cell free DNA testing (non-invasive prenatal testing)
Maternal blood sampling Genetic: Placental biopsy Post-delivery placental sampling Genetic: Umbilical cord blood Post-delivery umbilical cord blood sampling |
Healthy control |
Genetic: Expanded panel cell free DNA testing (non-invasive prenatal testing)
Maternal blood sampling Genetic: Placental biopsy Post-delivery placental sampling Genetic: Umbilical cord blood Post-delivery umbilical cord blood sampling |
- Composite adverse pregnancy outcome [ Time Frame: Through study completion, an average of 2 years ]
- Preterm birth < 34 weeks [ Time Frame: Through study completion, an average of 2 years ]
- Neonatal intensive care unit admission [ Time Frame: Through study completion, an average of 2 years ]
- Intrauterine fetal demise [ Time Frame: Through study completion, an average of 2 years ]Death of fetus prior to delivery
- Neonatal demise [ Time Frame: Through study completion, an average of 2 years ]Death of infant within 28 days of birth
Biospecimen Retention: Samples With DNA
- Maternal blood
- Placental biopsies
- Umbilical cord blood

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Ages Eligible for Study: | 18 Years to 60 Years (Adult) |
Sexes Eligible for Study: | Female |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- For fetal growth restriction cohort: diagnosis of early onset (< 34 weeks) severe fetal growth restriction, defined as estimated fetal weight less than 10th percentile with abnormal umbilical artery Dopplers OR estimated fetal weight less than 5th percentile alone OR biometric size at least 14 days behind expected dates
- For severe preeclampsia cohort: diagnosis of early onset (< 34 weeks) preeclampsia with severe features, diagnosed by ACOG criteria
- For low PAPP-A cohort, diagnosis of low PAPP-A levels (pregnancy associated plasma protein A), defined as less than 0.2 multiples of the median
- For healthy cohort, normal pregnancy with no evidence of maternal, obstetrical, or fetal complications
Exclusion Criteria:
- Maternal age < 18 years
- Multifetal gestation
- Chronic hypertension
- Tobacco or drug use

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04311749
Contact: Nasim Sobhani, MD | (415) 502-3231 | Nasim.Sobhani@UCSF.edu |
United States, California | |
University of California, San Francisco | Recruiting |
San Francisco, California, United States, 94158 | |
Contact: Nasim C Sobhani, MD 415-502-3231 Nasim.Sobhani@UCSF.edu |
Principal Investigator: | Nasim Sobhani, MD | University of California, San Francisco |
Responsible Party: | University of California, San Francisco |
ClinicalTrials.gov Identifier: | NCT04311749 |
Other Study ID Numbers: |
19-27769 |
First Posted: | March 17, 2020 Key Record Dates |
Last Update Posted: | July 27, 2021 |
Last Verified: | July 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Pre-Eclampsia Fetal Growth Retardation Hypertension, Pregnancy-Induced Pregnancy Complications |
Fetal Diseases Growth Disorders Pathologic Processes |