Heart Failure Optimization Study (HF-Opt)
Sponsor: Zoll Medical Corporation
Listed as NCT03016754, this observational or N/A phase trial focuses on Heart Failure and Heart Failure Low Output and remains completed. Sponsored by Zoll Medical Corporation, it has been updated 20 times since 2017, reflecting substantial change activity. This study contributes longitudinal data to the cardiovascular research landscape.
Status Flow
Change History
20 versions recorded-
Sep 2025 — Present [monthly]
Completed
-
Apr 2025 — Sep 2025 [monthly]
Completed
-
Sep 2024 — Apr 2025 [monthly]
Completed
-
Jul 2024 — Sep 2024 [monthly]
Completed
-
Jul 2022 — Jul 2024 [monthly]
Completed
Status: Active Not Recruiting → Completed
▶ Show 15 earlier versions
-
Nov 2021 — Jul 2022 [monthly]
Active Not Recruiting
-
Mar 2021 — Nov 2021 [monthly]
Active Not Recruiting
Status: Recruiting → Active Not Recruiting
-
Feb 2021 — Mar 2021 [monthly]
Recruiting
-
Jan 2021 — Feb 2021 [monthly]
Recruiting
-
Oct 2020 — Jan 2021 [monthly]
Recruiting
-
Apr 2020 — Oct 2020 [monthly]
Recruiting
-
Nov 2019 — Apr 2020 [monthly]
Recruiting
-
May 2019 — Nov 2019 [monthly]
Recruiting
-
Feb 2019 — May 2019 [monthly]
Recruiting
-
Dec 2018 — Feb 2019 [monthly]
Recruiting
-
Jun 2018 — Dec 2018 [monthly]
Recruiting
-
Apr 2018 — Jun 2018 [monthly]
Recruiting
Phase: NA → None
-
Mar 2018 — Apr 2018 [monthly]
Recruiting NA
-
Jun 2017 — Mar 2018 [monthly]
Recruiting NA
Status: Not Yet Recruiting → Recruiting
-
Feb 2017 — Jun 2017 [monthly]
Not Yet Recruiting NA
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- Zoll Medical Corporation
For direct contact, visit the study record on ClinicalTrials.gov .