# The Role of Vitamin D in the Pathophysiology of Chronic Failure

> **NCT01993537** · PHASE4 · COMPLETED · sponsor: **Ottawa Heart Institute Research Corporation** · enrollment: 91 (actual)

## Conditions studied

- Vitamin D Deficiency
- Chronic Heart Failure

## Interventions

- **DRUG:** Vitamin D

## Key facts

- **NCT ID:** NCT01993537
- **Lead sponsor:** Ottawa Heart Institute Research Corporation
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-01
- **Primary completion:** 2016-01
- **Final completion:** 2016-01
- **Target enrollment:** 91 (ACTUAL)
- **Last updated:** 2026-05-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01993537

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01993537, "The Role of Vitamin D in the Pathophysiology of Chronic Failure". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01993537. Licensed CC0.

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