Smartphone Twelve-Lead ECG Utility In ST-Elevation Myocardial Infarction II
STLEUISII
1 other identifier
interventional
1,000
2 countries
4
Brief Summary
AliveCor (www.alivecor.com) has developed several electrocardiogram (ECG) devices that interface with iOS and Android smartphones and tablets via various Kardia apps. The current Kardia family of devices can measure single lead and six limb-lead ECGs, depending on the device. KardiaMobile, KardiaMobile 6L, and KardiaMobile Card have FDA clearance for ECG rhythm recording. A modified single-lead Kardia smartphone 12-lead ECG was previously validated in the multicenter ST LEUIS study for the diagnosis of ST-Segment Elevation Myocardial Infarction (STEMI) and Non-ST-Elevation Myocardial Infarction (NSTEMI). Recently, AliveCor developed a new device: AliveCor (AC) 12-lead (12L) ECG System to record simultaneously 4 leads of ECG and then generate complete 12-lead ECGs. A previous protocol at the University of Oklahoma involved 200 subjects with early prototypes of the AC 12L device with the specific aim to validate that it accurately generated 12-lead ECGs as compared to simultaneously acquired FDA-cleared 12-lead ECGs. The prototype version of the AliveCor 12L ECG System simultaneously measured four channels of ECG (leads I, II, V2, V4), calculated the remaining limb leads as is standard for 12-lead ECGs (Leads III, aVR, aVL, aVF) and synthesized the remaining 4 precordial ECG leads (V1, V3, V5, V6). This protocol will serve to validate the production version of the system against standard 12-Lead ECGs for the diagnosis of STEMI and NSTEMI in patients admitted to the Emergency Department or directly to the Cardiac Cath Lab for the evaluation of chest pain. It is anticipated that the waveforms for each of the 12 leads from the AC 12L ECG System will be highly correlated with the corresponding leads from the comparator commercially available 12-lead ECG devices used at participating sites. The purpose of this study is to clinically validate that the four-channel AC 12L ECG device can enable the diagnosis of STEMI and NSTEMI in a non-inferior manner to existing 12-lead ECG devices.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Mar 2024
Typical duration for not_applicable
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 12, 2024
CompletedFirst Posted
Study publicly available on registry
February 22, 2024
CompletedStudy Start
First participant enrolled
March 12, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
March 1, 2027
April 9, 2026
April 1, 2026
2.7 years
February 12, 2024
April 8, 2026
Conditions
Outcome Measures
Primary Outcomes (11)
Inter-rater variability for Standard 12-lead ECG readings
30 seconds
Inter-rater variability for AC 12L ECG readings
30 seconds
Number of standard 12-lead ECG readings requiring a consensus consultation
30 seconds
Number of AC 12L ECG readings requiring a consensus consultation
30 seconds
Sensitivity of AC 12L ECGs requiring consensus consultation, compared to standard 12-lead ECG requiring consensus consultation, for the diagnosis of STEMI
30 seconds
Specificity of AC 12L ECGs requiring consensus consultation, compared to standard 12-lead ECG requiring consensus consultation, for the diagnosis of STEMI
30 seconds
Positive predictive value of AC 12L ECGs requiring consensus consultation, compared to standard 12-lead ECG requiring consensus consultation, for the diagnosis of STEMI
30 seconds
Negative predictive power of the AC 12L ECGs requiring consensus consultation, compared to standard 12-lead ECG requiring consensus consultation, for the diagnosis of STEMI
30 seconds
Mean subjective correlation score for AC 12L ECGs in which the standard 12-lead ECG diagnosis is STEMI
30 seconds
Mean subjective correlation score for AC 12L ECGs in which the standard 12-lead ECG diagnosis is not STEMI
30 seconds
Mean summative ST-segment elevation, summative ST-segment depression and summative ST-segment deviation for AC 12L ECGs compared to standard 12-lead ECGs
30 seconds
Study Arms (1)
AliveCor 12-lead ECG
EXPERIMENTALA single research-related procedure will be required (i.e., an AliveCor 12-lead ECG). Effort will be made to ensure that the performance of this procedure will not delay any treatment and/or diagnostic procedures that are part of usual or specialized care that the patient requires.
Interventions
The primary objective of this study is to determine if the AliveCor 12-lead Smartphone ECG is an acceptable substitute for a standard 12-lead ECG in the identification of STEMI and NSTEMI.
Eligibility Criteria
You may qualify if:
- Male or female \> 18 years of age.
- Ability to understand and sign a written informed consent form, which must be obtained prior to initiation of any study procedures.
- Symptoms of chest pain upon presentation at the Emergency Department of the participating institution.
You may not qualify if:
- Inability or refusal of the patient and/or the patient's legally acceptable representative to provide written informed consent for any reason.
- Other conditions that in the opinion of the Lead Investigator may increase risk to the subject and/or compromise the quality of the clinical trial.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- AliveCorlead
Study Sites (4)
Mayo Clinic
Rochester, Minnesota, 55905, United States
Intermountain Health
Murray, Utah, 84107, United States
Leeds General Infirmary
Leeds, England, United Kingdom
University of Edinburgh
Edinburgh, Scotland, United Kingdom
Related Publications (1)
Muhlestein JB, Anderson JL, Bethea CF, Severance HW, Mentz RJ, Barsness GW, Barbagelata A, Albert D, Le VT, Bunch TJ, Yanowitz F, May HT, Chisum B, Ronnow BS, Muhlestein JB; Duke University Cooperative Cardiovascular Society (DUCCS) investigators. Feasibility of combining serial smartphone single-lead electrocardiograms for the diagnosis of ST-elevation myocardial infarction. Am Heart J. 2020 Mar;221:125-135. doi: 10.1016/j.ahj.2019.12.016. Epub 2019 Dec 27.
PMID: 31986289BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 12, 2024
First Posted
February 22, 2024
Study Start
March 12, 2024
Primary Completion (Estimated)
December 1, 2026
Study Completion (Estimated)
March 1, 2027
Last Updated
April 9, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will not share