Cluster-Randomized Trial of Air Filtration and Ventilation to Reduce Covid19 Spread in Homes

Completed · Not applicable

Conditions studied: Covid19

In brief

Investigators are evaluating whether an intervention consisting of box-fans with MERV 16 filters ("filtration fans") and recommendations for improving ventilation in the home can reduce secondary spread of Covid19 from an index case to susceptible contacts within the home.

Key facts

Study ID

NCT05777720

Run by

Stanford University

People needed

214

Starts

2023-01-30

Expected to finish

2025-12-30

Last updated by the study team

2026-02-19

Who can join

Age: any. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Household members live in a shared space (apartment, home) with others (as opposed to renting single rooms in a shared space, for example)
• At least 3 other people live in the household aside from index case

You may not qualify if…

• If index case test positive day was over 2 days prior
• If half or more household members are thought to be infected already
• If household has fewer than 3 contacts interested in participating in the study
• If fewer than 3 contacts are expected to be present in the house for a majority of the following 7 days

Where it is running

• San Mateo Medical Center — San Mateo, California, United States
• Stanford University Medical Center — Stanford, California, United States

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.