ATHN 9: Severe VWD Natural History Study
ATHN 9: A Natural History Cohort Study of the Safety, Effectiveness, and Practice of Treatment for People With Severe Von Willebrand Disease (VWD)
Sponsor: American Thrombosis and Hemostasis Network
A observational or N/A phase clinical study on Von Willebrand Diseases, this trial is ongoing. The trial is conducted by American Thrombosis and Hemostasis Network and has accumulated 20 data snapshots since 2019. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.
Status Flow
Change History
20 versions recorded-
Sep 2025 — Present [monthly]
Active Not Recruiting
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Apr 2025 — Sep 2025 [monthly]
Active Not Recruiting
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Sep 2024 — Apr 2025 [monthly]
Active Not Recruiting
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Jul 2024 — Sep 2024 [monthly]
Active Not Recruiting
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Feb 2024 — Jul 2024 [monthly]
Active Not Recruiting
▶ Show 15 earlier versions
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Nov 2023 — Feb 2024 [monthly]
Active Not Recruiting
Status: Recruiting → Active Not Recruiting
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Sep 2023 — Nov 2023 [monthly]
Recruiting
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Apr 2023 — Sep 2023 [monthly]
Recruiting
-
Mar 2022 — Apr 2023 [monthly]
Recruiting
-
Feb 2022 — Mar 2022 [monthly]
Recruiting
-
Jan 2022 — Feb 2022 [monthly]
Recruiting
-
Dec 2021 — Jan 2022 [monthly]
Recruiting
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Sep 2021 — Dec 2021 [monthly]
Recruiting
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Jan 2021 — Sep 2021 [monthly]
Recruiting
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Nov 2020 — Jan 2021 [monthly]
Recruiting
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May 2020 — Nov 2020 [monthly]
Recruiting
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Apr 2020 — May 2020 [monthly]
Recruiting
Status: Enrolling By Invitation → Recruiting
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May 2019 — Apr 2020 [monthly]
Enrolling By Invitation
Status: Not Yet Recruiting → Enrolling By Invitation
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Apr 2019 — May 2019 [monthly]
Not Yet Recruiting
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Mar 2019 — Apr 2019 [monthly]
Not Yet Recruiting
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- American Thrombosis and Hemostasis Network
- Takeda
For direct contact, visit the study record on ClinicalTrials.gov .