Completed NA INTERVENTIONAL 3-arm NCT03030716

Multiple Daily Condensed Tannin Supplementation and Iron Bioavailability: The Tannin Dose Response Trial

Long-term, Multiple Daily Condensed Tannin Supplementation in Increasing Concentrations Does Not Affect Iron Status or Bioavailability: Results From the Tannin-dose Response Trial.

Sponsor: Kansas State University

Conditions Iron Deficiency Anemia Iron-deficiency

Interventions 95% condensed proanthocyanidins from grape seed extract

Updated 5 times since 2017 Last updated: Jan 24, 2017 Started: Jun 25, 2016 Primary completion: Dec 10, 2016 Completion: Dec 10, 2016

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

Listed as NCT03030716, this NA trial focuses on Iron Deficiency Anemia and Iron-deficiency and remains completed. Sponsored by Kansas State University, it has been updated 5 times since 2016, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA
Feb 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Jun 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Kansas State University
United States Department of Agriculture Foreign Agricultural Service

Data source: Kansas State University

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

Study Locations

• Manhattan, United States