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Completed Not applicable Interventional Results available

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

ClinicalTrials.gov ID: NCT04604015

Public ClinicalTrials.gov record NCT04604015. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:51 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study is a multi-center, prospective, single-arm, non-significant risk (NSR) device study in which up to 150 evaluable subjects with suspicion of embolic stroke of undetermined source (ESUS) will be evaluated with NB-IS TCD and standard of care TTE to screen for right to left shunt (RLS) or patent foramen ovale (PFO). Additionally, up to 150 evaluable subjects will be evaluated with NB-IS TCD and standard of care TEE.

Study identification

NCT ID
NCT04604015
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
NeuraSignal Inc dba NovaSignal
Industry
Enrollment
154 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 6, 2020 (Actual)
Primary completion
Oct 20, 2021 (Actual)
Completion
Nov 2, 2021 (Actual)
Last update posted
Jan 24, 2024

2020 – 2021

United States locations

U.S. sites
7
U.S. states
5
U.S. cities
6
Facility City State ZIP Site status
Barrow Neurological Institute Phoenix Arizona 85013 —
Providence Brain & Spine Institute Portland Oregon 97225 —
Providence St. Vincent Medical Center Portland Oregon 97225 —
CHI Memorial Hospital Chattanooga Tennessee 37404 —
The University of Tennessee Health Science Center Memphis Tennessee 38163 —
Houston Methodist Neurological Institute Houston Texas 77030 —
Swedish Hospital Seattle Washington 98122 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04604015, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 24, 2024 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04604015 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →