deltatrials
Completed NA INTERVENTIONAL 3-arm NCT00157820

DATAS: The Dual Chamber & Atrial Tachyarrhythmias Adverse Events Study (DATAS)

Sponsor: Medtronic Cardiac Rhythm and Heart Failure

Conditions Defibrillators, Implantable Ventricular Fibrillation Ventricular Tachycardia
Interventions Dual Chamber implantable cardioverter defibrilator Single Chamber Implantable Cardioverter Defibrillator
Updated 13 times since 2017 Last updated: Jun 30, 2025 Started: Nov 30, 2000 Primary completion: May 31, 2005 Completion: Oct 31, 2005
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00157820, this NA trial focuses on Defibrillators, Implantable and Ventricular Fibrillation and remains completed. Sponsored by Medtronic Cardiac Rhythm and Heart Failure, it has been updated 13 times since 2000, reflecting substantial change activity. This study contributes longitudinal data to the cardiovascular research landscape.

Status Flow

~Jan 2017 – ~May 2017 · 4 months · monthly snapshot~May 2017 – ~Aug 2017 · 3 months · monthly snapshot~Aug 2017 – ~May 2018 · 9 months · monthly snapshot~May 2018 – ~Jun 2018 · 31 days · monthly snapshot~Jun 2018 – ~Nov 2020 · 29 months · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshot~Dec 2021 – ~May 2024 · 29 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Jul 2025 · 10 months · monthly snapshot~Jul 2025 – ~Aug 2025 · 31 days · monthly snapshot~Aug 2025 – present · 11 months · monthly snapshot

Change History

13 versions recorded

  1. Aug 2025 — Present [monthly]

    Completed NA

  2. Jul 2025 — Aug 2025 [monthly]

    Completed NA

  3. Sep 2024 — Jul 2025 [monthly]

    Completed NA

  4. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  5. May 2024 — Jul 2024 [monthly]

    Completed NA

▶ Show 8 earlier versions

  1. Dec 2021 — May 2024 [monthly]

    Completed NA

  2. Jan 2021 — Dec 2021 [monthly]

    Completed NA

  3. Nov 2020 — Jan 2021 [monthly]

    Completed NA

  4. Jun 2018 — Nov 2020 [monthly]

    Completed NA

  5. May 2018 — Jun 2018 [monthly]

    Completed NA

  6. Aug 2017 — May 2018 [monthly]

    Completed NA

  7. May 2017 — Aug 2017 [monthly]

    Completed NA

    Phase: PHASE4 → NA

  8. Jan 2017 — May 2017 [monthly]

    Completed PHASE4

    First recorded

Nov 2000

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Medtronic Cardiac Rhythm and Heart Failure
Data source: Medtronic Cardiac Rhythm and Heart Failure

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

Study Locations

No location information available.