Physical ActivityNCT05110508
Active KC: a Text Message Based Intervention for Physical Activity
A study testing Text Based Behavioral Intervention for Physical Activity in people with Physical Activity and Patient Engagement, run by Children's Mercy Hospital Kansas City at 1 site in United States.
Trial summary
Active KC will involve delivering PA support tools to individuals interested in increasing their physical activity. The tools involve provision of a Garmin wearable activity monitor and participant-tailored behavior change supports (e.g., goal setting and monitoring) delivered through text messaging and a… Read more about this study
- Who is it for?
- Ages 8 years and olderHealthy volunteers can take part
- Conditions the study is for
- Physical Activity, Patient Engagement
- What is being tested?
- Text Based Behavioral Intervention for Physical Activity
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 210 participants
- Where
- 1 siteUnited States
- Study dates
- 25 Sep 2021to 30 Apr 2022
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 8 years and older
- All sexes
- Healthy volunteers accepted
- Child, Adult, Older adult
Who may be able to join
- Individual has a smart device with internet or data and app downloading and texting capability
- Can read or write in English
- At least 8 years old (there is no upper age limit)
- Willing to complete study measures, participate in intervention, and share data collected in Active KC with the main study
Who cannot join
- Does not meet the above inclusion criteria
- Non-adherent to study measurement (wearing the Garmin less than 4 days) during baseline period
- Averaging over 60 minutes per day of physical activity (children) or 30 minutes of physical activity per day (adults) during the baseline period as measured by the Garmin
- Participant has a disability that interferes with their ability to carry out daily activities
Trial locations and contacts
1 site in 1 country.
About this study
Active KC will involve delivering PA support tools to individuals interested in increasing their physical activity. The tools involve provision of a Garmin wearable activity monitor and participant-tailored behavior change supports (e.g., goal setting and monitoring) delivered through text messaging and a corresponding study website.
- Conditions
- Physical Activity, Patient Engagement
- Being tested
- Text Based Behavioral Intervention for Physical Activity
- Keywords
- text message, technology, Garmin, physical activity
- Medical subject headings
- Motor Activity, Patient Participation
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Text Based Behavioral Intervention for Physical ActivityBehavioural
Text intervention messaging will be sent through an automated text messaging service programmed by the CM Informatics team, which has been approved by the institution. Participants will be asked to wear Garmin physical activity monitor to provide physical activity information throughout the intervention. The Garmin is worn like a wristwatch. The device is small and non-intrusive. The Garmin device is a consumer wearable that will automatically detect and track activity such as walking, running, and cycling. The text messages incorporate information from the Garmin monitor to support physical activity.
| Study group | Role | What they receive |
|---|---|---|
| Physical Activity Self-Regulation | Experimental | Participants will receive multiple weekly text messages. Texts will contain wear reminders, encouragements, congratulatory content, and behavior change messages based on the Garmin data. Some text message content asks for a response from the participant to help tailor later messages for behavior change support. Receives: Behavioral: Text Based Behavioral Intervention for Physical Activity |
What is being measured
The primary outcome is the main question the study is designed to answer.
Changes in Physical Activity Minutes Over Time
Participant physical activity will be measured by daily minutes of physical activity as collected by the Garmin monitor.
Measured: 8 weeks
Changes in Physical Activity Steps Over Time
Participant physical activity will be measured by a daily step count as collected by the Garmin monitor.
Measured: 8 weeks
Secondary outcomes (4)
Participant Engagement of Text Messages
Text message engagement as measured by number of texts responded to.
Measured: 8 weeks
Views of Participants on Intervention Preferences via Participant Survey
Adults will complete a baseline and follow up adult survey and children will complete a baseline and follow up child survey with help from their caregiver when appropriate. Participant surveys may be distributed via hardcopy, email, or text message.
Measured: Baseline, End of Study (8 weeks)
Participant Engagement of the Garmin Monitor
Garmin activity monitor engagement as measured by number of wear days.
Measured: 8 weeks
Views of Participants on intervention via Focus Groups
Up to 15 focus groups will be hosted throughout and after the intervention period. A subsample of participants will be selected to take part in focus groups conducted after week 4 and week 8. These focus groups will ask about participant experiences with the Garmin monitors and text messaging along with general perceptions of the intervention. Focus groups will be hosted virtually using Teams or in person and will be recorded. All participants will have the option to keep their cameras off during virtual focus groups.
Measured: Week 4, Week 8
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Nov 2021
- Study start25 Sep 2021
- Primary completion30 Apr 2022
- Study completion30 Apr 2022
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Physical ActivityStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Prevention
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 210 participants (actual)
Sponsor and investigators
- Lead sponsor
- Children's Mercy Hospital Kansas City
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Jordan Carlson, Children's Mercy Hospital Kansas City
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05110508
- Sponsor's protocol ID
- STUDY00001939
- Status last verified
- Feb 2025
- First submitted
- 9 Sep 2021
- Last updated
- 12 Feb 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Carlson JA, Materia F, Moon M, Ryu S, Yeager C, Steel C, Shields K, Gill HS, Berkley-Patton J, Catley D. Automated Physical Activity Support for Adults and Youth From Low-Income Communities: Single-Arm Pilot Study. JMIR Mhealth Uhealth. 2026 Jun 5;14:e76991. doi: 10.2196/76991.
PubMed 42247677
Study at a glance
From the registry record, last updated by the sponsor on 12 Feb 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Active KC: a Text Message Based Intervention for Physical Activity
- ClinicalTrials.gov ID
- NCT05110508
- Acronym / sponsor ID
- STUDY00001939
- Conditions
- Physical Activity, Patient Engagement
- Keywords
- text message, technology, Garmin, physical activity
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 210 participants (actual)
- Lead sponsor
- Children's Mercy Hospital Kansas CityUniversity, hospital or other
- Study start
- 25 Sep 2021 (actual)
- Primary completion
- 30 Apr 2022 (actual)
- Study completion
- 30 Apr 2022 (actual)
- First posted
- 8 Nov 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Active KC will involve delivering PA support tools to individuals interested in increasing their physical activity. The tools involve provision of a Garmin wearable activity monitor and participant-tailored behavior change supports (e.g., goal setting and monitoring) delivered through text messaging and a corresponding study website.
Study design
- Primary purpose
- Prevention
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Physical Activity Self-Regulation | Experimental | Behavioral: Text Based Behavioral Intervention for Physical ActivityParticipants will receive multiple weekly text messages. Texts will contain wear reminders, encouragements, congratulatory content, and behavior change messages based on the Garmin data. Some text message content asks for a response from the participant to help tailor later messages for behavior change support. |
Who may qualify
- Ages
- 8 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (4 listed)
- Individual has a smart device with internet or data and app downloading and texting capability
- Can read or write in English
- At least 8 years old (there is no upper age limit)
- Willing to complete study measures, participate in intervention, and share data collected in Active KC with the main study
Key exclusion criteria (4 listed)
- Does not meet the above inclusion criteria
- Non-adherent to study measurement (wearing the Garmin less than 4 days) during baseline period
- Averaging over 60 minutes per day of physical activity (children) or 30 minutes of physical activity per day (adults) during the baseline period as measured by the Garmin
- Participant has a disability that interferes with their ability to carry out daily activities
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Text Based Behavioral Intervention for Physical ActivityText intervention messaging will be sent through an automated text messaging service programmed by the CM Informatics team, which has been approved by the institution. Participants will be asked to wear Garmin physical activity monitor to provide physical activity information throughout the intervention. The Garmin is worn like a wristwatch. The device is small and non-intrusive. The Garmin device is a consumer wearable that will automatically detect and track activity such as walking, running, and cycling. The text messages incorporate information from the Garmin monitor to support physical activity. | Behavioural | Physical Activity Self-Regulation |
Primary outcome
Changes in Physical Activity Minutes Over Time
Time frame: 8 weeks
Participant physical activity will be measured by daily minutes of physical activity as collected by the Garmin monitor.
Changes in Physical Activity Steps Over Time
Time frame: 8 weeks
Participant physical activity will be measured by a daily step count as collected by the Garmin monitor.
4 secondary outcomes
Participant Engagement of Text Messages
Time frame: 8 weeks
Views of Participants on Intervention Preferences via Participant Survey
Time frame: Baseline, End of Study (8 weeks)
Participant Engagement of the Garmin Monitor
Time frame: 8 weeks
Views of Participants on intervention via Focus Groups
Time frame: Week 4, Week 8
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 12 Feb 2025.
- Derived from this study: PubMed 42247677Carlson JA, Materia F, Moon M, Ryu S, Yeager C, Steel C, Shields K, Gill HS, Berkley-Patton J, Catley D. Automated Physical Activity Support for Adults and Youth From Low-Income Communities: Single-Arm Pilot Study. JMIR Mhealth Uhealth. 2026 Jun 5;14:e76991. doi: 10.2196/76991.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Text Based Behavioral Intervention for Physical Activity in people with Physical Activity and Patient Engagement, run by Children's Mercy Hospital Kansas City at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 12 Feb 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Changes in Physical Activity Minutes Over Time (time frame: 8 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05110508, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Feb 2025.