findmyKOL
Clinical trialNCT04604015CompletedInterventional

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

SponsorNovaSignal Corp.Enrollment154Embolic Stroke of Undetermined SourcePatent Foramen OvaleRight-To-Left Atrial ShuntTransient Ischemic Attack
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

7 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Barrow Neurological Institute

    Phoenix, Arizona, United States

  • Providence Brain & Spine Institute

    Portland, Oregon, United States

  • Providence St. Vincent Medical Center

    Portland, Oregon, United States

  • Chi Memorial Hospital

    Chattanooga, Tennessee, United States

  • the University of Tennessee Health Science Center

    Memphis, Tennessee, United States

  • Houston Methodist Neurological Institute

    Houston, Texas, United States

  • Swedish Hospital

    Seattle, Washington, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
6 Oct 2020
Primary completion
20 Oct 2021
Completion
2 Nov 2021
Last update posted
24 Jan 2024
Registered enrollment
154
Registry id
NCT04604015

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.