deltatrials
Completed OBSERVATIONAL NCT05044845

Needs Assessment of Knowledge, Beliefs, and Attitudes of Patients With Hemophilia B About Gene Therapy

Needs Assessment of Knowledge, Beliefs, and Attitudes of Patients With Hemophilia B About Gene Therapy Globally

Sponsor: St. Jude Children's Research Hospital

Interventions Interview
Updated 19 times since 2021 Last updated: Nov 13, 2025 Started: Jan 18, 2022 Primary completion: Oct 14, 2025 Completion: Oct 14, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Gene Therapy and Hemophilia B and is currently completed. St. Jude Children's Research Hospital leads this study, which shows 19 recorded versions since 2022 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Oct 2021 – ~Nov 2021 · 31 days · monthly snapshot~Nov 2021 – ~Jan 2022 · 2 months · monthly snapshot~Jan 2022 – ~Feb 2022 · 31 days · monthly snapshot~Feb 2022 – ~Apr 2022 · 59 days · monthly snapshot~Apr 2022 – ~Jun 2022 · 2 months · monthly snapshot~Jun 2022 – ~Jan 2023 · 7 months · monthly snapshot~Jan 2023 – ~Aug 2023 · 7 months · monthly snapshot~Aug 2023 – ~Sep 2023 · 31 days · monthly snapshot~Sep 2023 – ~Mar 2024 · 6 months · monthly snapshot~Mar 2024 – ~Jul 2024 · 4 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Nov 2024 · 2 months · monthly snapshot~Nov 2024 – ~Jan 2025 · 2 months · monthly snapshot~Jan 2025 – ~Mar 2025 · 59 days · monthly snapshot~Mar 2025 – ~May 2025 · 2 months · monthly snapshot~May 2025 – ~Jun 2025 · 31 days · monthly snapshot~Jun 2025 – ~Sep 2025 · 3 months · monthly snapshot~Sep 2025 – ~Dec 2025 · 3 months · monthly snapshot~Dec 2025 – present · 7 months · monthly snapshot

Change History

19 versions recorded
  1. Dec 2025 — Present [monthly]

    Completed

    Status: RecruitingCompleted

  2. Sep 2025 — Dec 2025 [monthly]

    Recruiting

  3. Jun 2025 — Sep 2025 [monthly]

    Recruiting

  4. May 2025 — Jun 2025 [monthly]

    Recruiting

  5. Mar 2025 — May 2025 [monthly]

    Recruiting

Show 14 earlier versions
  1. Jan 2025 — Mar 2025 [monthly]

    Recruiting

  2. Nov 2024 — Jan 2025 [monthly]

    Recruiting

  3. Sep 2024 — Nov 2024 [monthly]

    Recruiting

  4. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  5. Mar 2024 — Jul 2024 [monthly]

    Recruiting

  6. Sep 2023 — Mar 2024 [monthly]

    Recruiting

  7. Aug 2023 — Sep 2023 [monthly]

    Recruiting

  8. Jan 2023 — Aug 2023 [monthly]

    Recruiting

  9. Jun 2022 — Jan 2023 [monthly]

    Recruiting

  10. Apr 2022 — Jun 2022 [monthly]

    Recruiting

  11. Feb 2022 — Apr 2022 [monthly]

    Recruiting

  12. Jan 2022 — Feb 2022 [monthly]

    Recruiting

  13. Nov 2021 — Jan 2022 [monthly]

    Recruiting

    Status: Not Yet RecruitingRecruiting

  14. Oct 2021 — Nov 2021 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • St. Jude Children's Research Hospital
Data source: St. Jude Children's Research Hospital

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