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Stuffy trial: do hand sanitizers and masks keep families Flu-Free?

NCT ID NCT00448981

Prevention Sponsor: Centers for Disease Control and Prevention Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether giving families educational materials, alcohol-based hand sanitizers, and surgical face masks could reduce the spread of colds and flu among household members. Researchers followed 2,788 people in 450 households in Northern Manhattan for 15 months. They tracked flu symptoms, lab-confirmed flu, and how much families knew about prevention.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Hand sanitizer and face masks
What this could lead to
If effective, this could show that simple, low-cost measures like hand sanitizers and masks help families reduce cold and flu transmission.
What could go wrong
This is a behavioral study, not a drug trial. Results may vary by household compliance, and the interventions may not work for everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

2,788 people

The number who actually took part.

Start date

Nov 2006

Finished

Jun 2008

Lead sponsor

A government agency

The lead sponsor is a US federal agency other than the NIH.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Households with at least three members * At least one preschool or elementary school-aged child in the household * Residence in Northern Manhattan * Ability to speak English or Spanish * Access to a telephone * Willingness to participate in regular symptom reporting and home visits * Not routinely using alcohol-based hand sanitizer at baseline Exclusion Criteria: * Households with fewer than three members * No preschool or elementary school-aged child in the household * Inability to communicate in English or Spanish * No access to a telephone * Unwillingness or inability to comply with study procedures * Routine use of alcohol-based hand sanitizer prior to enrollment

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Conditions

The condition(s) this trial relates to.

respiratory tract infectious disorder common cold prevention target influenza prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Common cold Respiratory tract infections

Contacts and locations

Locations

  • Columbia University School of Nursing

    New York, New York, 10032, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.