Completed PHASE4 INTERVENTIONAL 3-arm NCT00459485

Effects of Initiation and Discontinuation of Short Term Zinc Supplementation on Plasma Zinc Concentration

Effects of Initiation and Discontinuation of Short Term Zinc Supplementation on the Magnitude and Velocity of Change in Plasma Zinc Concentration

Sponsor: USDA, Western Human Nutrition Research Center

Conditions Zinc Deficiency

Interventions Placebo zinc sulfate

Updated 6 times since 2017 Last updated: Feb 18, 2010 Started: Apr 30, 2007 Primary completion: Dec 31, 2007 Completion: Dec 31, 2007

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

Listed as NCT00459485, this PHASE4 trial focuses on Zinc Deficiency and remains completed. Sponsored by USDA, Western Human Nutrition Research Center, it has been updated 6 times since 2007, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jun 2018 — Jan 2021 [monthly]

Completed PHASE4
Feb 2017 — Jun 2018 [monthly]

Completed PHASE4

▶ Show 1 earlier version

Jan 2017 — Feb 2017 [monthly]

Completed PHASE4

First recorded

Apr 2007

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

USDA, Western Human Nutrition Research Center
University of California, Davis

Data source: University of California, Davis

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

Study Locations

No location information available.