Completed NA INTERVENTIONAL 2-arm NCT04647305

Effectiveness and Adherence to Closed Face Shields to Prevent COVID-19 Transmission (COVPROSHIELD)

Effectiveness and Adherence to Closed Face Shields to Prevent COVID-19 Transmission: A Randomized Controlled Trial

Sponsor: United Nations

Interventions Closed face shield with Surgical face mask use Surgical face mask use only

Updated 6 times since 2020 Last updated: Apr 26, 2021 Started: Jan 16, 2021 Primary completion: Mar 4, 2021 Completion: Mar 4, 2021

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

Listed as NCT04647305, this NA trial focuses on SARS-CoV-2 Infection and remains completed. Sponsored by United Nations, it has been updated 6 times since 2021, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
May 2021 — Jul 2024 [monthly]

Completed NA

Status: Active Not Recruiting → Completed
Apr 2021 — May 2021 [monthly]

Active Not Recruiting NA

Status: Not Yet Recruiting → Active Not Recruiting
Jan 2021 — Apr 2021 [monthly]

Not Yet Recruiting NA

▶ Show 1 earlier version

Dec 2020 — Jan 2021 [monthly]

Not Yet Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

United Nations
University of Los Andes, Columbia

Data source: University of Los Andes, Columbia

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

Study Locations

• Bogotá, Colombia