# Non-invasive Prenatal Diagnostic Validation Study

> **NCT01574781** · — · COMPLETED · sponsor: **Natera, Inc.** · enrollment: 1781 (actual)

## Conditions studied

- Chromosome 13 Aneuploidy
- Chromosome 18 Aneuploidy
- Chromosome 21 Aneuploidy
- Sex Chromosome Aberrations
- Other Microdeletions

## Interventions

- **PROCEDURE:** Blood draw
- **PROCEDURE:** Cheek swab/Saliva Sampling

## Key facts

- **NCT ID:** NCT01574781
- **Lead sponsor:** Natera, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2011-09
- **Primary completion:** 2013-04
- **Final completion:** 2013-04
- **Target enrollment:** 1781 (ACTUAL)
- **Last updated:** 2013-07-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01574781

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01574781, "Non-invasive Prenatal Diagnostic Validation Study". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT01574781. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*