deltatrials
Completed PHASE3 INTERVENTIONAL 1-arm NCT03191799

A Study to Evaluate the Safety and Tolerability of Prophylactic Emicizumab in Hemophilia A Patients With Inhibitors (STASEY)

A Single-Arm, Multicenter Phase IIIB Clinical Trial to Evaluate the Safety and Tolerability of Prophylactic Emicizumab in Hemophilia A Patients With Inhibitors

Sponsor: Hoffmann-La Roche

Conditions Hemophilia A
Interventions Emicizumab
Updated 28 times since 2017 Last updated: May 17, 2021 Started: Sep 5, 2017 Primary completion: Nov 19, 2020 Completion: Nov 19, 2020
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE3 trial investigates Hemophilia A and is currently completed. Hoffmann-La Roche leads this study, which shows 28 recorded versions since 2017 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Aug 2017 – ~Sep 2017 · 31 days · monthly snapshot~Sep 2017 – ~Oct 2017 · 30 days · monthly snapshot~Oct 2017 – ~Dec 2017 · 2 months · monthly snapshot~Dec 2017 – ~Jan 2018 · 31 days · monthly snapshot~Jan 2018 – ~Mar 2018 · 59 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 – ~Sep 2018 · 31 days · monthly snapshot~Sep 2018 – ~Oct 2018 · 30 days · monthly snapshot~Oct 2018 – ~Nov 2018 · 31 days · monthly snapshot~Nov 2018 – ~Dec 2018 · 30 days · monthly snapshot~Dec 2018 – ~Jan 2019 · 31 days · monthly snapshot~Jan 2019 – ~Apr 2019 · 3 months · monthly snapshot~Apr 2019 – ~Jul 2019 · 3 months · monthly snapshot~Jul 2019 – ~Oct 2019 · 3 months · monthly snapshot~Oct 2019 – ~Jan 2020 · 3 months · monthly snapshot~Jan 2020 – ~Apr 2020 · 3 months · monthly snapshot~Apr 2020 – ~Jul 2020 · 3 months · monthly snapshot~Jul 2020 – ~Sep 2020 · 2 months · monthly snapshot~Sep 2020 – ~Dec 2020 · 3 months · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshot~Sep 2021 – ~Jul 2024 · 34 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 12 months · monthly snapshot

Change History

28 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. Sep 2021 — Jul 2024 [monthly]

    Completed PHASE3

  5. Jan 2021 — Sep 2021 [monthly]

    Completed PHASE3

    Status: Active Not Recruiting → Completed

▶ Show 23 earlier versions

  1. Dec 2020 — Jan 2021 [monthly]

    Active Not Recruiting PHASE3

  2. Sep 2020 — Dec 2020 [monthly]

    Active Not Recruiting PHASE3

  3. Jul 2020 — Sep 2020 [monthly]

    Active Not Recruiting PHASE3

  4. Apr 2020 — Jul 2020 [monthly]

    Active Not Recruiting PHASE3

  5. Jan 2020 — Apr 2020 [monthly]

    Active Not Recruiting PHASE3

  6. Oct 2019 — Jan 2020 [monthly]

    Active Not Recruiting PHASE3

  7. Jul 2019 — Oct 2019 [monthly]

    Active Not Recruiting PHASE3

  8. Apr 2019 — Jul 2019 [monthly]

    Active Not Recruiting PHASE3

  9. Jan 2019 — Apr 2019 [monthly]

    Active Not Recruiting PHASE3

    Status: Recruiting → Active Not Recruiting

  10. Dec 2018 — Jan 2019 [monthly]

    Recruiting PHASE3

  11. Nov 2018 — Dec 2018 [monthly]

    Recruiting PHASE3

  12. Oct 2018 — Nov 2018 [monthly]

    Recruiting PHASE3

  13. Sep 2018 — Oct 2018 [monthly]

    Recruiting PHASE3

  14. Aug 2018 — Sep 2018 [monthly]

    Recruiting PHASE3

  15. Jul 2018 — Aug 2018 [monthly]

    Recruiting PHASE3

  16. Jun 2018 — Jul 2018 [monthly]

    Recruiting PHASE3

  17. May 2018 — Jun 2018 [monthly]

    Recruiting PHASE3

  18. Mar 2018 — May 2018 [monthly]

    Recruiting PHASE3

  19. Jan 2018 — Mar 2018 [monthly]

    Recruiting PHASE3

  20. Dec 2017 — Jan 2018 [monthly]

    Recruiting PHASE3

  21. Oct 2017 — Dec 2017 [monthly]

    Recruiting PHASE3

    Status: Not Yet Recruiting → Recruiting

  22. Sep 2017 — Oct 2017 [monthly]

    Not Yet Recruiting PHASE3

  23. Aug 2017 — Sep 2017 [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 .

Study Locations

Barcelona, Spain , Barnaul, Russia , Bengaluru, India , Berlin, Germany , Bern, Switzerland , Birmingham, United Kingdom , Bologna, Italy , Bonn, Germany , Budapest, Hungary , Camperdown, Australia and 57 more locations