Clinical trial Recruiting at 1 site Observational

Registry for HeartStart HS1 Defibrillator performance and safety

Official title: HeartStart HS1 Defibrillator* Event Registry

Run by Heartstream US LLC · NCT04840797 · Data updated 2026-11-12

This study looks at how well the HeartStart HS1 Defibrillator works and keeps people safe after they have a suspected heart attack.

Quick facts

Study typeObservational
SexAll
Enrollment1400 (estimated)
SponsorHeartstream US LLC
Industry-sponsored
Locations1 site (Pittsburgh, Pennsylvania)
StatusRecruiting
StartedFebruary 25, 2021
Main results expectedDecember 31, 2030
Study endsDecember 31, 2030
Registry record updatedAugust 11, 2026
Trial IDNCT04840797 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals who have experienced a suspected circulatory arrest and have had the HeartStart HS1 Defibrillator applied.

Probably not a fit

Patients who used a different defibrillator or training devices will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study collects post-event data on the HeartStart HS1 Defibrillator to evaluate its safety and performance in real-world scenarios. It focuses on individuals who have experienced a suspected circulatory arrest and have had the HeartStart HS1 device applied. The study aims to confirm the effectiveness of the device as per its commercial labeling and assess the impact of different electrode pads used with the defibrillator. Data will be gathered prospectively to ensure comprehensive analysis of outcomes.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of the HeartStart HS1 Defibrillator's effectiveness, potentially leading to improved survival rates in sudden cardiac arrest patients.

How similar studies have gone: Other studies have shown success in evaluating the performance of defibrillators, making this approach both relevant and necessary for ongoing safety assessments.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Have been suspected of a circulatory arrest for any cause.
* Have had HeartStart HS1 Defibrillator with electrodes:

Adult SMART Pads Cartridge \[REF: M5071A\], Infant/Child SMART Pads Cartridge (REF:M5072A) applied to their body and powered up with HS1 battery (Model M5070A), regardless of whether a defibrillation shock was delivered

Exclusion Criteria:

* Subjects will be excluded if any of the following are present:
* AED or pad use other than the HeartStart HS1 Defibrillator with above referenced Philips electrode pads. Note: Use of a device other than the Philips HeartStart HS1 AED does not preclude enrollment if the AED or an Advanced Life Support defibrillator was used after the HeartStart HS1 AED.
* AED used for training purposes.

Where it's running

  • Philips
    Pittsburgh, Pennsylvania, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.