# Magnesphere for Autonomic Alteration

> **NCT04207476** · NA · WITHDRAWN · sponsor: **University of Oklahoma**

## Conditions studied

- Hart Failure With Reduced Ejection Fraction

## Interventions

- **DEVICE:** EMF
- **DEVICE:** Placebo

## Key facts

- **NCT ID:** NCT04207476
- **Lead sponsor:** University of Oklahoma
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-07-25
- **Primary completion:** 2022-10-12
- **Final completion:** 2022-10-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study was never initiated due to COVID and computer difficulties.
- **Last updated:** 2026-01-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04207476

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04207476, "Magnesphere for Autonomic Alteration". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT04207476. Licensed CC0.

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