Terminated NA INTERVENTIONAL 2-arm NCT04450212

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

Sponsor: National Institute of General Medical Sciences (NIGMS)

Interventions Phase I, Buccal Swab Collection for DNA Isolation Phase II, Vitamin K (Vitacost) Supplementation

Updated 6 times since 2020 Last updated: Dec 18, 2023 Started: Aug 25, 2017 Primary completion: Jul 31, 2023 Completion: Jul 31, 2023

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Insufficient funds to complete the study.

Other terminated trials from National Institute of General Medical Sciences (NIGMS)

See all terminations from National Institute of General Medical Sciences (NIGMS)

This NA trial investigates Vitamin K Status and is currently terminated or withdrawn. National Institute of General Medical Sciences (NIGMS) leads this study, which shows 6 recorded versions since 2017 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Terminated NA
Jul 2024 — Sep 2024 [monthly]

Terminated NA
Jan 2024 — Jul 2024 [monthly]

Terminated NA

Status: Recruiting → Terminated
Jul 2022 — Jan 2024 [monthly]

Recruiting NA
Jan 2021 — Jul 2022 [monthly]

Recruiting NA

▶ Show 1 earlier version

Jul 2020 — Jan 2021 [monthly]

Recruiting NA

First recorded

Aug 2017

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

National Institute of General Medical Sciences (NIGMS)
University of Washington

Data source: University of Washington

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Seattle, United States