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Dads as health heroes: study tests coaching for new parents to curb baby weight gain

NCT ID NCT04477577

Prevention Sponsor: Massachusetts General Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether giving extra health coaching to new parents—especially fathers—could help prevent rapid weight gain in babies and reduce obesity risk. Researchers enrolled 657 parents from Massachusetts General Hospital and randomly assigned them to either receive coaching on healthy habits or just safety information. The goal was to see if the coaching led to healthier infant growth and better long-term health for the whole family.

What this could mean

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

Active substance
health coaching and safety education
What this could lead to
If successful, this could point toward a simple, low-cost way to prevent childhood obesity by supporting both parents early on.
What could go wrong
This is a completed study, but results may not apply to all families. The intervention is behavioral, so effects may vary widely.

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

657 people

The number who actually took part.

Started

Aug 2020

Finished

Nov 2023

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

18 years and older

Sex

Anyone

Healthy volunteers

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

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

Inclusion Criteria: * Parental dyads must meet the following criteria: * Pregnant females and father of the baby, both aged ≥ 18 years * Singleton pregnancy * Planned involvement during the first year of the child's life * Planning to receive post-partum and pediatric care for child at any pediatric practice within the MassGeneral Brigham (Partners) Healthcare system * Ability to speak in English or Spanish * Capable of giving consent Exclusion Criteria: * Dyads whose unborn child is found to have a severe defect or comorbidity upon 18-20 week ultrasound. * Mothers who intend on raising a child alone without any participation from the father of the child.

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Conditions

The condition(s) this trial relates to.

Feeding Behavior Motor Activity Obesity obesity disorder Overweight Pediatric Obesity sleep disorder

As listed by the trial registrant

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

Diet habit Feeding behavior Obesity, childhood Overweight and obesity Physical activity Sleep Social determinants of health

Contacts and locations

Locations

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

More trials for these conditions

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