Down Syndrome Screening Based on Dried Blood Spots and Cell-free Fetal DNA (DBS&CFF)
A Clinical Trial to Explore a New Prenatal Screening and Diagnosis Pattern for Fetal Chromosomal Abnormalities With Dried Blood Spots and Cell-free Fetal DNA.
Sponsor: Peking Union Medical College Hospital
Listed as NCT01837979, this observational or N/A phase trial focuses on Trisomy 21 and remains ongoing. Sponsored by Peking Union Medical College Hospital, it has been updated 9 times since 2013, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.
Status Flow
Change History
9 versions recorded-
Sep 2024 — Present [monthly]
Unknown
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Jul 2024 — Sep 2024 [monthly]
Unknown
Status: Unknown Status → Unknown
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Jan 2021 — Jul 2024 [monthly]
Unknown Status
-
Aug 2018 — Jan 2021 [monthly]
Unknown Status
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Jul 2018 — Aug 2018 [monthly]
Unknown Status
▶ Show 4 earlier versions
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Jun 2018 — Jul 2018 [monthly]
Unknown Status
-
Apr 2018 — Jun 2018 [monthly]
Unknown Status
Phase: NA → None
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Feb 2017 — Apr 2018 [monthly]
Unknown Status NA
Status: Enrolling By Invitation → Unknown Status
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Jan 2017 — Feb 2017 [monthly]
Enrolling By Invitation NA
First recorded
Apr 2013
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Peking Union Medical College Hospital
For direct contact, visit the study record on ClinicalTrials.gov .