Buddy system boosts exercise in sedentary women, new trial tests
NCT ID NCT05053113
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether having a partner for support helps inactive women increase their physical activity. 500 women aged 18-65 who are not very active will be paired with a female partner. They will use activity trackers, get educational newsletters, and receive phone coaching. The goal is to see if the partner-based approach leads to more moderate-intensity exercise compared to going it alone.
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: partner-based physical activity support with activity monitors and educational newsletters
- What this could lead to
- If successful, this could show that having a partner for support helps inactive women become more physically active, which may reduce obesity-related cancer risks.
- What could go wrong
- This is a behavioral study, not a drug trial. Results depend on participants' motivation and may not apply to all women. The effect on cancer outcomes is indirect and long-term.
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 500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2022
- Expected to finish
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Feb 2027
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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18 to 65 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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.
Inclusion Criteria: * Self-identify as female * Age 18-65 years * Speak English or Spanish * Physically able to engage in low-to-moderate PA as assessed by the PA Readiness Questionnaire (PAR-Q), or with medical clearance * Insufficient self-reported moderate-to-vigorous PA (\< 150 minutes/week) * Able to enroll with one eligible adult female partner * Valid home address in the greater Houston area * Have a functioning smartphone and able and willing to send and receive text messages * Willing to use the Fitbit app and device * Blood pressure reading \< 160/100 mm Hg, or with medical clearance Exclusion Criteria: * Pregnancy or considering pregnancy during the study period, self-reported * Currently participating in a program or research study to promote physical activity or weight loss * Plans to move outside the greater Houston area during the study period
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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
1 site. 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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M D Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
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