# The Aortic Valve DECalcification (AVADEC) Trial

> **NCT03243890** · NA · COMPLETED · sponsor: **Axel Diederichsen** · enrollment: 389 (actual)

## Conditions studied

- Aortic Valve Stenosis
- Multidetector Computed Tomography
- Vitamin K 2
- Randomised Clinical Trial

## Interventions

- **DIETARY_SUPPLEMENT:** Menaquinone-7 720 µg/day including the recommended daily dose of vitamin D (25 µg/day).
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT03243890
- **Lead sponsor:** Axel Diederichsen
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-01-12
- **Primary completion:** 2021-05-01
- **Final completion:** 2021-05-01
- **Target enrollment:** 389 (ACTUAL)
- **Last updated:** 2022-09-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03243890

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03243890, "The Aortic Valve DECalcification (AVADEC) Trial". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03243890. Licensed CC0.

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