A digital tool to help decide about an ICD
Official title: Digital Shared Decision-Making Aid to Improve Patient-Centered Outcomes in Implantable Cardioverter-Defibrillator (ICD) Decisions Among Older Patients, ENHANCE-ICD (SU sIRB)
Run by Stanford University · NCT07913204 · Data updated 2026-11-12
We’re testing a patient-friendly online aid to help people with advanced heart failure decide whether an implantable cardioverter-defibrillator (ICD) is right for them.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 60 Years and up |
| Sex | All |
| Enrollment | 600 (estimated) |
| Sponsor | Stanford University Academic / other |
| Locations | 2 sites (San Francisco, California and 1 other locations) |
| Status | Recruiting |
| Started | October 19, 2026 |
| Main results expected | December 31, 2027 |
| Study ends | February 2028 |
| Registry record updated | November 3, 2026 |
| Trial ID | NCT07913204 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults aged 70 or older with primary-prevention ICD criteria, English/Mandarin/Spanish speakers, and a diagnosis of Class II-III heart failure with LVEF ≤ 35%.
✕Probably not a fit
Patients with a history of ICD implantation for secondary prevention or those not meeting primary-prevention criteria may not benefit from the tool.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This project develops a digital decision aid for heart failure patients considering an ICD. It uses surveys, focus groups, and interviews to gather background information and refine the tool. The digital aid will be tested in a randomized trial against usual care to see if it helps patients make more informed choices about ICD placement.
Why it matters
Potential benefit: If successful, the tool could help patients better understand risks and benefits of ICDs and make choices aligned with their values.
How similar studies have gone: Previous work in shared decision-making and patient education suggests digital aids can support informed choices, though this exact approach is being evaluated in a novel ICD context.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Meets or approximates minimal criteria for primary prevention ICD placement. ● Left Ventricular Ejection Fraction (LVEF) \<35%. * Clinical diagnosis of Heart Failure: * Patients with severe ischemic dilated cardiomyopathy and underlying NYHA * Class II or III Heart Failure, OR, Patients with severe nonischemic dilated cardiomyopathy and underlying NYHA Class II or III Heart Failure. * Age ≥ 70 years old. * Able to consent in English, Mandarin or Spanish and follow study instructions. Exclusion Criteria: Past ICD implantation (not including pacemakers). * Any indication for secondary prevention of SCD via ICD implantation. * History of mechanical valve replacement. * History of recent myocardial infarction within the last 40 days. * History of recent revascularization within the past 90 days. * History of familial or genetic disorders with a high-risk of ventricular arrhythmias, such as the long QT syndrome (LQTS) or hypertrophic cardiomyopathy (HCM). * Any factors contraindicating ICD placement. * Less than 6 months life expectancy and other clinical consideration, * Unwilling or unable to consider ICD, * Any contraindications to ambulati
Where it's running
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University of California, San Francisco
San Francisco, California, United States Recruiting -
Eastern Carolina University
Greenville, North Carolina, United States Recruiting
Study contacts
- Principal investigator: Randall S Stafford, MD, PhD — Stanford University
- Study coordinator: Randall S Stafford, MD, PhD, MHS
- Email: rstafford@stanford.edu
- Phone: 650-724-2400
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.