# Mid-Q Response Study

> **NCT04180696** · NA · COMPLETED · sponsor: **Medtronic Cardiac Rhythm and Heart Failure** · enrollment: 177 (actual)

## Conditions studied

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

## Interventions

- **DEVICE:** aCRT ON
- **DEVICE:** aCRT OFF

## Key facts

- **NCT ID:** NCT04180696
- **Lead sponsor:** Medtronic Cardiac Rhythm and Heart Failure
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-01-23
- **Primary completion:** 2024-03-28
- **Final completion:** 2024-03-28
- **Target enrollment:** 177 (ACTUAL)
- **Last updated:** 2025-07-09

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04180696

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04180696, "Mid-Q Response Study". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT04180696. Licensed CC0.

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