deltatrials
Terminated PHASE3 INTERVENTIONAL 2-arm NCT03443973

Safety and Efficacy Study of Gantenerumab in Participants With Early Alzheimer's Disease (AD)

A Phase III, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Efficacy, and Safety Study of Gantenerumab in Patients With Early (Prodromal to Mild) Alzheimer's Disease

Sponsor: Hoffmann-La Roche

Updated 41 times since 2018 Last updated: Dec 22, 2023 Started: Aug 22, 2018 Primary completion: Sep 23, 2022 Completion: Nov 28, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Decision to terminate development of Gantenerumab for treatment of prodromal/mild/early stage Alzheimer's disease following results of a pre-planned analysis of the safety and efficacy of Gant in Graduate I\&II (WN29922/WN39658).

This PHASE3 trial investigates Alzheimer Disease and is currently terminated or withdrawn. Hoffmann-La Roche leads this study, which shows 41 recorded versions since 2018 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~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 – ~Dec 2018 · 2 months · monthly snapshot~Dec 2018 – ~Feb 2019 · 2 months · monthly snapshot~Feb 2019 – ~Mar 2019 · 28 days · monthly snapshot~Mar 2019 – ~May 2019 · 2 months · monthly snapshot~May 2019 – ~Jun 2019 · 31 days · monthly snapshot~Jun 2019 – ~Jul 2019 · 30 days · monthly snapshot~Jul 2019 – ~Aug 2019 · 31 days · monthly snapshot~Aug 2019 – ~Sep 2019 · 31 days · 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 – ~Mar 2020 · 29 days · monthly snapshot~Mar 2020 – ~Apr 2020 · 31 days · monthly snapshot~Apr 2020 – ~Jul 2020 · 3 months · monthly snapshot~Jul 2020 – ~Sep 2020 · 2 months · monthly snapshot~Sep 2020 – ~Oct 2020 · 30 days · monthly snapshot~Oct 2020 – ~Nov 2020 · 31 days · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Apr 2021 · 59 days · monthly snapshot~Apr 2021 – ~Sep 2021 · 5 months · monthly snapshot~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshot~Oct 2021 – ~Dec 2021 · 2 months · monthly snapshot~Dec 2021 – ~Jan 2022 · 31 days · monthly snapshot~Jan 2022 – ~Feb 2022 · 31 days · monthly snapshot~Feb 2022 – ~Mar 2022 · 28 days · monthly snapshot~Mar 2022 – ~May 2022 · 2 months · monthly snapshot~May 2022 – ~Sep 2022 · 4 months · monthly snapshot~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshot~Nov 2022 – ~Feb 2023 · 3 months · monthly snapshot~Feb 2023 – ~Feb 2024 · 12 months · monthly snapshot~Feb 2024 – ~Jul 2024 · 5 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 9 months · monthly snapshot

Change History

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

    Terminated PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Terminated PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Terminated PHASE3

  4. Feb 2024 — Jul 2024 [monthly]

    Terminated PHASE3

  5. Feb 2023 — Feb 2024 [monthly]

    Terminated PHASE3

    Status: Active Not RecruitingTerminated

Show 36 earlier versions
  1. Nov 2022 — Feb 2023 [monthly]

    Active Not Recruiting PHASE3

  2. Sep 2022 — Nov 2022 [monthly]

    Active Not Recruiting PHASE3

  3. May 2022 — Sep 2022 [monthly]

    Active Not Recruiting PHASE3

  4. Mar 2022 — May 2022 [monthly]

    Active Not Recruiting PHASE3

  5. Feb 2022 — Mar 2022 [monthly]

    Active Not Recruiting PHASE3

  6. Jan 2022 — Feb 2022 [monthly]

    Active Not Recruiting PHASE3

  7. Dec 2021 — Jan 2022 [monthly]

    Active Not Recruiting PHASE3

  8. Oct 2021 — Dec 2021 [monthly]

    Active Not Recruiting PHASE3

  9. Sep 2021 — Oct 2021 [monthly]

    Active Not Recruiting PHASE3

  10. Apr 2021 — Sep 2021 [monthly]

    Active Not Recruiting PHASE3

  11. Feb 2021 — Apr 2021 [monthly]

    Active Not Recruiting PHASE3

  12. Jan 2021 — Feb 2021 [monthly]

    Active Not Recruiting PHASE3

  13. Nov 2020 — Jan 2021 [monthly]

    Active Not Recruiting PHASE3

    Status: RecruitingActive Not Recruiting

  14. Oct 2020 — Nov 2020 [monthly]

    Recruiting PHASE3

  15. Sep 2020 — Oct 2020 [monthly]

    Recruiting PHASE3

  16. Jul 2020 — Sep 2020 [monthly]

    Recruiting PHASE3

  17. Apr 2020 — Jul 2020 [monthly]

    Recruiting PHASE3

  18. Mar 2020 — Apr 2020 [monthly]

    Recruiting PHASE3

  19. Feb 2020 — Mar 2020 [monthly]

    Recruiting PHASE3

  20. Jan 2020 — Feb 2020 [monthly]

    Recruiting PHASE3

  21. Nov 2019 — Jan 2020 [monthly]

    Recruiting PHASE3

  22. Oct 2019 — Nov 2019 [monthly]

    Recruiting PHASE3

  23. Sep 2019 — Oct 2019 [monthly]

    Recruiting PHASE3

  24. Aug 2019 — Sep 2019 [monthly]

    Recruiting PHASE3

  25. Jul 2019 — Aug 2019 [monthly]

    Recruiting PHASE3

  26. Jun 2019 — Jul 2019 [monthly]

    Recruiting PHASE3

  27. May 2019 — Jun 2019 [monthly]

    Recruiting PHASE3

  28. Mar 2019 — May 2019 [monthly]

    Recruiting PHASE3

  29. Feb 2019 — Mar 2019 [monthly]

    Recruiting PHASE3

  30. Dec 2018 — Feb 2019 [monthly]

    Recruiting PHASE3

  31. Oct 2018 — Dec 2018 [monthly]

    Recruiting PHASE3

  32. Aug 2018 — Oct 2018 [monthly]

    Recruiting PHASE3

  33. Jul 2018 — Aug 2018 [monthly]

    Recruiting PHASE3

    Status: Not Yet RecruitingRecruiting

  34. Jun 2018 — Jul 2018 [monthly]

    Not Yet Recruiting PHASE3

  35. May 2018 — Jun 2018 [monthly]

    Not Yet Recruiting PHASE3

  36. Mar 2018 — May 2018 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Hoffmann-La Roche
Data source: Hoffmann-La Roche

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