Completed NA INTERVENTIONAL 2-arm NCT04180696

Mid-Q Response Study

Sponsor: Medtronic

Conditions Heart Failure Heart Failure NYHA Class II Heart Failure NYHA Class III Heart Failure NYHA Class IV Heart Failure With Reduced Ejection Fraction (HFrEF) Left Bundle-Branch Block

Interventions aCRT OFF aCRT ON

Updated 22 times since 2019 Last updated: Jul 7, 2025 Started: Jan 23, 2020 Primary completion: Mar 28, 2024 Completion: Mar 28, 2024

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Heart Failure and Heart Failure NYHA Class II, this trial is completed. The trial is conducted by Medtronic and has accumulated 22 data snapshots since 2020. Cardiovascular trials of this type often inform treatment guidelines for long-term patient management.

Status Flow

Change History

22 versions recorded

Dec 2025 — Present [monthly]

Completed NA
Sep 2025 — Dec 2025 [monthly]

Completed NA
Aug 2025 — Sep 2025 [monthly]

Completed NA
Jul 2025 — Aug 2025 [monthly]

Completed NA
Jun 2025 — Jul 2025 [monthly]

Completed NA

▶ Show 17 earlier versions

Sep 2024 — Jun 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
May 2024 — Jul 2024 [monthly]

Completed NA

Status: Active Not Recruiting → Completed
Jun 2023 — May 2024 [monthly]

Active Not Recruiting NA
May 2023 — Jun 2023 [monthly]

Active Not Recruiting NA

Status: Recruiting → Active Not Recruiting
Mar 2023 — May 2023 [monthly]

Recruiting NA
Dec 2022 — Mar 2023 [monthly]

Recruiting NA
Sep 2022 — Dec 2022 [monthly]

Recruiting NA
Jan 2022 — Sep 2022 [monthly]

Recruiting NA
Jun 2021 — Jan 2022 [monthly]

Recruiting NA
Jan 2021 — Jun 2021 [monthly]

Recruiting NA
Nov 2020 — Jan 2021 [monthly]

Recruiting NA
Sep 2020 — Nov 2020 [monthly]

Recruiting NA
Jun 2020 — Sep 2020 [monthly]

Recruiting NA
Mar 2020 — Jun 2020 [monthly]

Recruiting NA

Status: Not Yet Recruiting → Recruiting
Jan 2020 — Mar 2020 [monthly]

Not Yet Recruiting NA
Dec 2019 — Jan 2020 [monthly]

Not Yet Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Medtronic
Medtronic Cardiac Rhythm and Heart Failure
Medtronic Japan Co., Ltd.

Data source: Medtronic Cardiac Rhythm and Heart Failure

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

Study Locations

Alor Star, Malaysia , Bandar Seri Begawan, Brunei , Bucheon-si, South Korea , Daegu, South Korea , Fukui, Japan , Fukuoka, Japan , Hirosaki, Japan , Hiroshima, Japan , Hong Kong, Hong Kong , Hsinchu, Taiwan and 33 more locations