# Verification of Risk Assignment for Whole Chromosome Using SNP-based NIPT in Vanishing Twin Pregnancies

> **NCT05004337** · — · COMPLETED · sponsor: **Natera, Inc.** · enrollment: 126 (actual)

## Conditions studied

- Vanishing Twin
- Trisomy 21
- Trisomy 13
- Trisomy 18

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT05004337
- **Lead sponsor:** Natera, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-07-22
- **Primary completion:** 2023-11-29
- **Final completion:** 2023-11-29
- **Target enrollment:** 126 (ACTUAL)
- **Last updated:** 2024-09-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05004337

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05004337, "Verification of Risk Assignment for Whole Chromosome Using SNP-based NIPT in Vanishing Twin Pregnancies". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT05004337. Licensed CC0.

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