Assessing if patients can hear the alert tone from their implantable defibrillator

Investigation of the Audible Alert Tone in ICD Patients with Subcutaneous Cardioverter Defibrillators

Observational Universitätsklinikum Köln · NCT06388382

This study is testing whether people with implantable defibrillators can hear the alert sounds from their devices to see if they are aware of potential heart issues.

Quick facts

Study typeObservational
Enrollment150 (estimated)
Ages15 Years to 100 Years
SexAll
SponsorUniversitätsklinikum Köln Academic / other
Locations1 site (Cologne)
Trial IDNCT06388382 on ClinicalTrials.gov

What this trial studies

This observational study evaluates the ability of patients with subcutaneous implantable cardioverter-defibrillators (ICDs) to hear the audible alert tone produced by their devices. Participants will be assessed for their awareness of the alert tone, which is crucial for timely response to potential cardiac events. The study aims to gather data on the effectiveness of the alert system in real-world settings. The findings could inform improvements in device design and patient education.

Who should consider this trial

Good fit: Ideal candidates for this study are patients who have a subcutaneous ICD and are willing to participate.

Not a fit: Patients who have had an S-ICD implanted within the past 3 weeks or those who are deaf will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance patient safety by ensuring that ICD users are aware of alerts, leading to timely interventions during cardiac events.

How similar studies have performed: While there may be limited studies specifically focused on audible alert tones for ICDs, similar approaches in assessing device usability have shown promise in improving patient outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* patient equipped with a subcutaneous ICD
* willing to participate

Exclusion Criteria:

* S-ICD implantation within the past 3 weeks
* patient is deaf

Where this trial is running

Cologne

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Implantable Defibrillator User
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.