Cash for Kids' brains: brazil study tests if $40 a month boosts mental health
NCT ID NCT05477901
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether giving mothers in Brazil an extra $40 per month (compared to just $2) can protect their children's brain development and mental health. About 450 children aged 7-10 from low-income families will be followed for 2 years. Researchers will measure stress, inflammation, brain scans, and family relationships to see if the extra money makes a difference.
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
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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
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About 450 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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Jan 2029
An estimate. End dates often move.
- Lead sponsor
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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
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23 to 45 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide 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.
Mother: Inclusion Criteria: 1. Age 23-45 years old 2. Receiving AB cash transfers 3. Has at least two or more children ages 7- 10 years old at time of recruitment (up to 4 children per family) 4. Able to consent Exclusion Criteria: 1\. Mother and child do not reside in same household Child: Inclusion Criterion 1. Age 7-10 years old 2. Intellectual Disability Exclusion Criterion 1. Does not reside in same household as the mother 2. Major Axis I disorder (e.g., Autism, Schizophrenia, Bipolar) 3. Severe Disability 4. MRI contradictions (index child only)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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New York State Psychiatric Institute
NOT_YET_RECRUITINGNew York, New York, 10032, United States
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UNIFESP
RECRUITINGSão Paulo, São Paulo, 04023, Brazil
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