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Completed PHASE4 INTERVENTIONAL 2-arm NCT00351611

Vision Testing in Patients With Partial Seizures Receiving Either Lyrica or Placebo

PROSPECTIVE RANDOMIZED 12-WEEK CONTROLLED STUDY OF VISUAL FIELD CHANGE IN SUBJECTS WITH PARTIAL SEIZURES RECEIVING PREGABALIN OR PLACEBO

Sponsor: Pfizer's Upjohn has merged with Mylan to form Viatris Inc.

Conditions Epilepsies, Partial
Interventions Lyrica (pregabalin) placebo
Updated 36 times since 2017 Last updated: Apr 12, 2021 Started: Jul 26, 2006 Primary completion: Feb 4, 2020 Completion: Feb 4, 2020
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00351611, this PHASE4 trial focuses on Epilepsies, Partial and remains completed. Sponsored by Pfizer's Upjohn has merged with Mylan to form Viatris Inc., it has been updated 36 times since 2006, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshot~Feb 2017 – ~Apr 2017 · 59 days · monthly snapshot~Apr 2017 – ~May 2017 · 30 days · monthly snapshot~May 2017 – ~Jun 2017 · 31 days · monthly snapshot~Jun 2017 – ~Oct 2017 · 4 months · monthly snapshot~Oct 2017 – ~Nov 2017 · 31 days · monthly snapshot~Nov 2017 – ~Dec 2017 · 30 days · monthly snapshot~Dec 2017 – ~Feb 2018 · 2 months · monthly snapshot~Feb 2018 – ~Mar 2018 · 28 days · monthly snapshot~Mar 2018 – ~May 2018 · 2 months · monthly snapshot~May 2018 – ~Jun 2018 · 31 days · monthly snapshot~Jun 2018 – ~Jul 2018 · 30 days · monthly snapshot~Jul 2018 – ~Aug 2018 · 31 days · monthly snapshot~Aug 2018 – ~Oct 2018 · 2 months · monthly snapshot~Oct 2018 – ~Mar 2019 · 5 months · monthly snapshot~Mar 2019 – ~Apr 2019 · 31 days · monthly snapshot~Apr 2019 – ~May 2019 · 30 days · monthly snapshot~May 2019 – ~Jun 2019 · 31 days · monthly snapshot~Jun 2019 – ~Jul 2019 · 30 days · monthly snapshot~Jul 2019 – ~Sep 2019 · 2 months · monthly snapshot~Sep 2019 – ~Oct 2019 · 30 days · monthly snapshot~Oct 2019 – ~Nov 2019 · 31 days · monthly snapshot~Nov 2019 – ~Jan 2020 · 2 months · monthly snapshot~Jan 2020 – ~Feb 2020 · 31 days · monthly snapshot~Feb 2020 – ~May 2020 · 3 months · monthly snapshot~May 2020 – ~Jul 2020 · 2 months · monthly snapshot~Jul 2020 – ~Nov 2020 · 4 months · monthly snapshot~Nov 2020 – ~Dec 2020 · 30 days · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Mar 2021 · 28 days · monthly snapshot~Mar 2021 – ~May 2021 · 2 months · monthly snapshot~May 2021 – ~Jul 2024 · 38 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

36 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE4

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE4

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  4. May 2021 — Jul 2024 [monthly]

    Completed PHASE4

  5. Mar 2021 — May 2021 [monthly]

    Completed PHASE4

▶ Show 31 earlier versions

  1. Feb 2021 — Mar 2021 [monthly]

    Completed PHASE4

  2. Jan 2021 — Feb 2021 [monthly]

    Completed PHASE4

  3. Dec 2020 — Jan 2021 [monthly]

    Completed PHASE4

  4. Nov 2020 — Dec 2020 [monthly]

    Completed PHASE4

    Status: Recruiting → Completed

  5. Jul 2020 — Nov 2020 [monthly]

    Recruiting PHASE4

  6. May 2020 — Jul 2020 [monthly]

    Recruiting PHASE4

  7. Feb 2020 — May 2020 [monthly]

    Recruiting PHASE4

  8. Jan 2020 — Feb 2020 [monthly]

    Recruiting PHASE4

  9. Nov 2019 — Jan 2020 [monthly]

    Recruiting PHASE4

  10. Oct 2019 — Nov 2019 [monthly]

    Recruiting PHASE4

  11. Sep 2019 — Oct 2019 [monthly]

    Recruiting PHASE4

  12. Jul 2019 — Sep 2019 [monthly]

    Recruiting PHASE4

  13. Jun 2019 — Jul 2019 [monthly]

    Recruiting PHASE4

  14. May 2019 — Jun 2019 [monthly]

    Recruiting PHASE4

  15. Apr 2019 — May 2019 [monthly]

    Recruiting PHASE4

  16. Mar 2019 — Apr 2019 [monthly]

    Recruiting PHASE4

  17. Oct 2018 — Mar 2019 [monthly]

    Recruiting PHASE4

  18. Aug 2018 — Oct 2018 [monthly]

    Recruiting PHASE4

  19. Jul 2018 — Aug 2018 [monthly]

    Recruiting PHASE4

  20. Jun 2018 — Jul 2018 [monthly]

    Recruiting PHASE4

  21. May 2018 — Jun 2018 [monthly]

    Recruiting PHASE4

  22. Mar 2018 — May 2018 [monthly]

    Recruiting PHASE4

  23. Feb 2018 — Mar 2018 [monthly]

    Recruiting PHASE4

  24. Dec 2017 — Feb 2018 [monthly]

    Recruiting PHASE4

  25. Nov 2017 — Dec 2017 [monthly]

    Recruiting PHASE4

  26. Oct 2017 — Nov 2017 [monthly]

    Recruiting PHASE4

  27. Jun 2017 — Oct 2017 [monthly]

    Recruiting PHASE4

  28. May 2017 — Jun 2017 [monthly]

    Recruiting PHASE4

  29. Apr 2017 — May 2017 [monthly]

    Recruiting PHASE4

  30. Feb 2017 — Apr 2017 [monthly]

    Recruiting PHASE4

  31. Jan 2017 — Feb 2017 [monthly]

    Recruiting PHASE4

    First recorded

Jul 2006

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Data source: Pfizer

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

Study Locations

Abids, Hyderabad, India , Aguascalientes, Mexico , Alexandria, United States , Amherst, United States , Aquascalientes, Mexico , Atlanta, United States , Austin, United States , Baltimore, United States , Bangalore, India , Bangkok, Thailand and 76 more locations