Text, portal, or letter? pilot study tests best way to prompt diabetes screening
NCT ID NCT06915194
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This pilot study tested three simple ways to encourage blood sugar screening in 102 overweight or obese adults without known diabetes: a text message, a patient portal message, or a mailed letter. The goal was to see which method was most acceptable and effective at getting people to complete a hemoglobin A1c test. Results will help design a larger trial to improve early detection of prediabetes and type 2 diabetes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could show which reminder method works best to get people screened for prediabetes or diabetes, leading to earlier detection and treatment.
- What could go wrong
- This is a small pilot study (102 participants) testing only feasibility, not effectiveness. Results may not apply to other populations or health systems.
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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102 people
The number who actually took part.
- Started
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Jul 2025
- Finished
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Nov 2025
- 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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35 to 70 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Overweight or obese Exclusion Criteria: * Existing type 2 diabetes, A1c drawn within past 3 years
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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.
Contacts and locations
Locations
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University of California, Los Angeles
Los Angeles, California, 90024, United States
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