# RoBotic TCD Ultrasound BubbLe Study Compared to Transthoracic Echocardiography for Detection of Right to Left Shunt

> **NCT04604015** · NA · COMPLETED · sponsor: **NovaSignal Corp.** · enrollment: 154 (actual)

## Conditions studied

- Embolic Stroke of Undetermined Source
- Transient Ischemic Attack
- Right-To-Left Atrial Shunt
- Patent Foramen Ovale

## Interventions

- **DIAGNOSTIC_TEST:** NeuralBot Investigational System
- **DIAGNOSTIC_TEST:** Transthoracic Echocardiography (TTE)

## Key facts

- **NCT ID:** NCT04604015
- **Lead sponsor:** NovaSignal Corp.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-10-06
- **Primary completion:** 2021-10-20
- **Final completion:** 2021-11-02
- **Target enrollment:** 154 (ACTUAL)
- **Last updated:** 2024-01-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04604015

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04604015, "RoBotic TCD Ultrasound BubbLe Study Compared to Transthoracic Echocardiography for Detection of Right to Left Shunt". Retrieved via AI Analytics 2026-06-22 from https://api.ai-analytics.org/clinical/NCT04604015. Licensed CC0.

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