# Vitamin K Supplementation Study in Healthy Volunteers (Aim 2B)

> **NCT04450212** · NA · TERMINATED · sponsor: **University of Washington** · enrollment: 106 (actual)

## Conditions studied

- Vitamin K Status

## Interventions

- **GENETIC:** Phase I, Buccal Swab Collection for DNA Isolation
- **DIETARY_SUPPLEMENT:** Phase II, Vitamin K (Vitacost) Supplementation

## Key facts

- **NCT ID:** NCT04450212
- **Lead sponsor:** University of Washington
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2017-08-25
- **Primary completion:** 2023-07-31
- **Final completion:** 2023-07-31
- **Target enrollment:** 106 (ACTUAL)
- **Why stopped:** Insufficient funds to complete the study.
- **Last updated:** 2023-12-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04450212

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04450212, "Vitamin K Supplementation Study in Healthy Volunteers (Aim 2B)". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT04450212. Licensed CC0.

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