deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT00688376

Efficacy and Safety of Donepezil Hydrochloride in Preadolescent and Adolescent Children With Attention Impairment Following Cancer Treatment

Randomized, Double-Blind, Placebo-Controlled Study of Efficacy and Safety of Donepezil Hydrochloride in Preadolescent and Adolescent Children With Attention Impairment Following Cancer Treatment

Sponsor: Eisai Inc.

Updated 10 times since 2017 Last updated: Dec 14, 2021 Started: Jul 2, 2008 Primary completion: May 26, 2009 Completion: May 26, 2009
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00688376, this PHASE3 trial focuses on Attention Impairment and remains completed. Sponsored by Eisai Inc., it has been updated 10 times since 2008, 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 snapshotCompleted~Feb 2017 – ~Jun 2018 · 16 months · monthly snapshotCompleted~Jun 2018 – ~Apr 2020 · 22 months · monthly snapshotCompleted~Apr 2020 – ~Jan 2021 · 9 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotCompleted~Dec 2021 – ~Feb 2022 · 2 months · monthly snapshotCompleted~Feb 2022 – ~Jul 2024 · 29 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

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

    Completed PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  4. Feb 2022 — Jul 2024 [monthly]

    Completed PHASE3

  5. Dec 2021 — Feb 2022 [monthly]

    Completed PHASE3

Show 5 earlier versions
  1. Jan 2021 — Dec 2021 [monthly]

    Completed PHASE3

  2. Apr 2020 — Jan 2021 [monthly]

    Completed PHASE3

  3. Jun 2018 — Apr 2020 [monthly]

    Completed PHASE3

  4. Feb 2017 — Jun 2018 [monthly]

    Completed PHASE3

  5. Jan 2017 — Feb 2017 [monthly]

    Completed PHASE3

    First recorded

Jul 2008

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Eisai Inc.
  • Eisai Limited
Data source: Eisai Inc.

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