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Determining Efficacy of an Artificial Intelligence-based System for Heart Failure Detection Through Interpretation of Electrocardiograms: a Pragmatic Randomized Clinical Trial (DECISION)
Led by Idoven 1903 S.L. · Updated on 2026-03-31
1968
Participants Needed
5
Research Sites
8 weeks
Total Duration
On this page
Sponsors
I
Idoven 1903 S.L.
Lead Sponsor
F
Fundación para la Investigación Biomédica del Hospital 12 de Octubre
Collaborating Sponsor
AI-Summary
What this Trial Is About
The DECISION trial investigates whether an artificial intelligence (AI) system called Willem123 can improve the detection of heart failure (HF) in primary care. The study compares AI-assisted electrocardiogram (ECG) interpretation with standard ECG evaluation to see if the AI approach leads to better diagnosis and clinical outcomes. It focuses on patients suspected of having HF or those at high risk, aiming to enhance early detection and reduce missed cases. Participants are randomly assigned to one of two groups: one group receives ECG analysis with the support of the Willem123 AI platform, while the other group undergoes standard ECG assessment without AI assistance. The AI provides detailed interpretation of over 80 cardiac patterns to help clinicians identify heart abnormalities. The study takes place in multiple primary care centers in Spain and Sweden and includes follow-up assessments to evaluate healthcare use and physician satisfaction. During the study, participants undergo electrocardiograms and transthoracic echocardiograms (TTE) to confirm heart function. The primary outcome measures the AI device's diagnostic accuracy for HF seven days after screening. Secondary outcomes include performance in patients at cardiovascular risk without symptoms and assessments six months after the ECG. Researchers also monitor clinical outcomes and collect feedback from healthcare providers about the AI tool's usability.
CONDITIONS
Brief Title
Determining Efficacy of an Artificial Intelligence-based System for Heart Failure Detection Through Interpretation of Electrocardiograms (DECISION)
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Able to understand and accept the study constraints and provide informed consent (self or legal representative)
- Age 65 years or older
- For suspected heart failure group: presence of symptoms or signs typical of heart failure such as breathlessness, fatigue, swollen ankles/legs, or palpitations
- For at-risk group: absence of heart failure symptoms but presence of at least one heart failure risk factor (hypertension, cardiovascular disease, diabetes, obesity, cardiotoxic agent exposure, genetic variant for cardiomyopathy, or family history of cardiomyopathy) requiring an ECG test in primary care
You will not qualify if you...
- Unwillingness or inability to sign the written informed consent
- Previous diagnosis of heart failure
- Unavailability or suboptimal quality ECG
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Your Study Journey
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - 1 day
Participants undergo ECG assessment either with AI assistance via the Willem™ platform or standard ECG interpretation to detect heart failure indicators.
1 baseline visit (in-person)
Duration - 7 days after screening
Participants receive a transthoracic echocardiogram (TTE) to confirm heart failure diagnosis following the ECG assessment.
1 visit for TTE
Duration - 6 months after ECG
Participants are monitored for device performance and clinical outcomes up to six months after the ECG assessment.
Follow-up visit at 6 months
Trial Site Locations
Total: 5 locations
1
Hospital General Universitario Gregorio Marañón
Madrid, Spain
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2
Hospital Universitario 12 de Octubre
Madrid, Spain
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3
Primary Care: Gerencia Asistencial Atención Primaria Madrid
Madrid, Spain
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4
Hospital Universitario Marqués de Valdecilla
Santander, Spain
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5
Region Stockholm
Stockholm, Sweden
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Research Team
J
Juan Francisco Delgado Jiménez, MD, PhD
How is the study designed?
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
DIAGNOSTIC
Number of Arms
2
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