Completed PHASE2/PHASE3 INTERVENTIONAL 2-arm NCT01069874

Trial of Vitamin D Supplementation for the Prevention of Influenza and Other Respiratory Infections (ViDiFlu) (ViDiFlu)

Cluster-randomised, Double-Blind, Placebo-Controlled Trial of Vitamin D Supplementation for the Prevention of Influenza and Other Respiratory Infections in Sheltered Accommodation (ViDiFlu)

Sponsor: Barts & The London NHS Trust

Conditions Influenza Respiratory Tract Infections

Interventions Cholecalciferol (Vitamin D/Vigantol oil) Miglyol oil

Updated 5 times since 2017 Last updated: Feb 3, 2014 Started: Mar 31, 2010 Primary completion: Apr 30, 2013 Completion: Apr 30, 2013

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

Listed as NCT01069874, this PHASE2/PHASE3 trial focuses on Influenza and Respiratory Tract Infections and remains completed. Sponsored by Barts & The London NHS Trust, it has been updated 5 times since 2010, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE2/PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2/PHASE3

Phase: PHASE2_PHASE3 → PHASE2/PHASE3
Jan 2021 — Jul 2024 [monthly]

Completed PHASE2_PHASE3
Jun 2018 — Jan 2021 [monthly]

Completed PHASE2_PHASE3
Jan 2017 — Jun 2018 [monthly]

Completed PHASE2_PHASE3

First recorded

Mar 2010

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Barts & The London NHS Trust
National Health Service, United Kingdom

Data source: Barts & The London NHS Trust

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

Study Locations

• London, United Kingdom