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Simple hygiene advice may protect unborn babies from common virus

NCT ID NCT03443791

Prevention Sponsor: University of Alabama at Birmingham 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether teaching pregnant women about hygiene habits can reduce their risk of catching cytomegalovirus (CMV) and passing it to their baby. Researchers will enroll 200 pregnant women in Brazil and provide counseling on behaviors like handwashing. The goal is to cut congenital CMV infections by half.

What this could mean

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

Active substance
behavioral intervention (hygiene counseling)
What this could lead to
If successful, this simple counseling approach could reduce the number of babies born with congenital CMV infection.
What could go wrong
This is an observational study without a control group, so results may not prove cause and effect. The counseling may not change behavior enough to lower infection rates.

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

200 people

The number who actually took part.

Started

Sep 2022

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

1 hour to 35 years

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: * Women in Ribeirao Preto who receive maternity care through the Hospital Das Clinicas, University of São Paulo and the Mater Hospital * enrollment in prenatal care before 23 weeks gestation Exclusion: * late enrollment in prenatal care, after 23 weeks gestation * known major fetal anomalies or demise * planned termination of pregnancy * intention of the patient to deliver at a non-study hospital * referral for high risk prenatal care

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Conditions

The condition(s) this trial relates to.

cytomegalovirus infection human betaherpesvirus 5 infectious disease infectious disease fetal cytomegalovirus syndrome prevention target

As listed by the trial registrant

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

CMV congenital CMV viremia

Contacts and locations

Locations

  • University of Sao Paulo

    São Paulo, Brazil

More trials for these conditions

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