deltatrials
Completed NA INTERVENTIONAL 2-arm NCT02142387

Effects of a New Dispatcher-Assisted Basic Life Support Training Program (HEROS)

Clinical Effects of a New Dispatcher-Assisted Basic Life Support Training Program in a Metropolitan City: A Before-and-After Intervention Study

Sponsor: Seoul National University Hospital

Updated 9 times since 2017 Last updated: Apr 29, 2020 Started: Jan 31, 2014 Primary completion: Dec 31, 2017 Completion: Dec 31, 2018
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Out of Hospital Cardiac Arrest and is currently completed. Seoul National University Hospital leads this study, which shows 9 recorded versions since 2014 — indicating limited longitudinal coverage. Heart and vascular conditions benefit from the kind of long-term tracking this trial provides.

Status Flow

~Jan 2017 – ~Jun 2018 · 17 months · monthly snapshotRecruiting~Jun 2018 – ~Feb 2020 · 20 months · monthly snapshotRecruiting~Feb 2020 – ~Jun 2020 · 4 months · monthly snapshotUnknown Status~Jun 2020 – ~Jan 2021 · 7 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotCompleted~Dec 2021 – ~Jul 2024 · 31 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

9 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed NA

  2. Sep 2024 — Sep 2025 [monthly]

    Completed NA

  3. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  4. Dec 2021 — Jul 2024 [monthly]

    Completed NA

  5. Jan 2021 — Dec 2021 [monthly]

    Completed NA

Show 4 earlier versions
  1. Jun 2020 — Jan 2021 [monthly]

    Completed NA

    Status: Unknown StatusCompleted

  2. Feb 2020 — Jun 2020 [monthly]

    Unknown Status NA

    Status: RecruitingUnknown Status

  3. Jun 2018 — Feb 2020 [monthly]

    Recruiting NA

  4. Jan 2017 — Jun 2018 [monthly]

    Recruiting NA

    First recorded

Jan 2014

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Seoul National University Hospital
Data source: Seoul National University Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations