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Minor2 versionsRe-verified since Jan 5, 2026, no change to tracked fieldsv26-v27
NotablePrimary and study completion dates: Oct 31, 2025 to Oct 31, 2026v25
Minor2 versionsRe-verified since Jul 7, 2025, no change to tracked fieldsv23-v24
MinorStudy sites: 4 to 5v22
Show 20 earlier versionsHide 20 earlier versions
MinorStudy sites revised (4)v21
NotablePrimary and study completion dates: Oct 31, 2024 to Oct 31, 2025v20
MinorPrimary completion date: Sep 30, 2024 to Oct 31, 2024v19
MinorStudy description expanded, about 2 wordsv18
NotablePrimary completion date: Sep 30, 2023 to Sep 30, 2024
Study completion date: Dec 31, 2023 to Oct 31, 2024
v17
NotablePrimary completion date: Mar 30, 2023 to Sep 30, 2023v16
MinorTrial status: Recruiting to Active, Not Recruiting
Primary completion date changed from estimate of Feb 28, 2023 to Mar 30, 2023
Study completion date: Mar 31, 2023 to Dec 31, 2023
Site details revised at 4 of 4 sites
v15
MinorSite details revised at 2 of 4 sitesv14
MinorEligibility criteria expanded, about 61 wordsv13
NotableEnrollment target: 50 to 100v12Show 4 more changesShow less
Primary completion date: Feb 28, 2022 to Feb 28, 2023
Study completion date: Mar 31, 2022 to Mar 31, 2023
Site details revised at 3 of 4 sites
Eligibility criteria expanded, about 3 words
MinorRe-verified, no change to tracked fieldsv11
MinorPrimary completion date: Oct 31, 2021 to Feb 28, 2022
Study completion date: Oct 31, 2021 to Mar 31, 2022
v10
NotableEnrollment target: 20 to 50
Study sites: 3 to 4
v9
NotablePrimary completion date: Apr 30, 2021 to Oct 31, 2021v8
NotableEnrollment target: 5 to 20
Eligibility criteria expanded, about 4 words
v7
MinorRe-verified, no change to tracked fieldsv6
NotableTrial status: Not Yet Recruiting to Recruiting
Site details revised at 3 of 3 sites
v5
MinorRe-verified, no change to tracked fieldsv4
MinorStudy sites: 1 to 3
Start date: Oct 1, 2020 to Oct 9, 2020
v3
MinorStudy sites: 0 to 1
Eligibility criteria shortened, about 7 words
v2
MinorStudy First Submitted
Stopped: an ongoing trial was terminated, suspended or withdrawn.
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The Impella ECP EFS is a prospective, multicenter, single-arm, feasibility study evaluating the safety of the Impella ECP device in adult patients undergoing an elective or urgent high-risk percutaneous coronary intervention.