# Effects of CRT Optimization as Assessed by Cardiac MR

> **NCT04763460** · NA · WITHDRAWN · sponsor: **Minneapolis Heart Institute Foundation**

## Conditions studied

- Heart Failure, Systolic

## Interventions

- **DEVICE:** Programming of CRT device settings

## Key facts

- **NCT ID:** NCT04763460
- **Lead sponsor:** Minneapolis Heart Institute Foundation
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2023-06-01
- **Primary completion:** 2026-03-02
- **Final completion:** 2026-03-02
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** No local enrollment due to capacity
- **Last updated:** 2026-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04763460

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04763460, "Effects of CRT Optimization as Assessed by Cardiac MR". Retrieved via AI Analytics 2026-07-22 from https://api.ai-analytics.org/clinical/NCT04763460. Licensed CC0.

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