deltatrials
Terminated PHASE4 INTERVENTIONAL 2-arm NCT00522418

Study Comparing Best Medical Practice With or Without VNS Therapy in Pharmacoresistant Partial Epilepsy Patients

An Open Prospective Randomised Long-Term Effectiveness Study, Comparing Best Medical Practice With or Without Adjunctive VNS Therapy in Patients 16 Years and Older With Pharmaco-resistant Partial Epilepsy

Sponsor: Cyberonics, Inc.

Updated 8 times since 2017 Last updated: Jan 9, 2015 Started: Feb 28, 2006 Primary completion: Jul 31, 2008 Completion: Jul 31, 2008
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Insufficient enrollment

Other terminated trials from Cyberonics, Inc.

More terminations from Cyberonics, Inc.

A PHASE4 clinical study on Epilepsy and Partial Epilepsy, this trial is terminated or withdrawn. The trial is conducted by Cyberonics, Inc. and has accumulated 8 data snapshots since 2006. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotTerminated~Feb 2017 – ~Jun 2018 · 16 months · monthly snapshotTerminated~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotTerminated~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotTerminated~Dec 2021 – ~Jul 2024 · 31 months · monthly snapshotTerminated~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotTerminated~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotTerminated~Sep 2025 – present · 10 months · monthly snapshotTerminated

Change History

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

    Terminated PHASE4

  2. Sep 2024 — Sep 2025 [monthly]

    Terminated PHASE4

  3. Jul 2024 — Sep 2024 [monthly]

    Terminated PHASE4

  4. Dec 2021 — Jul 2024 [monthly]

    Terminated PHASE4

  5. Jan 2021 — Dec 2021 [monthly]

    Terminated PHASE4

Show 3 earlier versions
  1. Jun 2018 — Jan 2021 [monthly]

    Terminated PHASE4

  2. Feb 2017 — Jun 2018 [monthly]

    Terminated PHASE4

  3. Jan 2017 — Feb 2017 [monthly]

    Terminated PHASE4

    First recorded

Feb 2006

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Cyberonics, Inc.
Data source: Cyberonics, Inc.

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