Does how you start a glucose monitor matter? new study says maybe
NCT ID NCT05928572
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at 159 adults with type 2 diabetes to see if the way they are introduced to a continuous glucose monitor (CGM) affects their blood sugar control. One group received a nutrition-focused approach, while the other used a self-directed method. The main goal was to measure time in range—the percentage of time blood sugar stays between 70 and 180 mg/dL. The study also examined diet quality and what happens when CGM use is paused for four months.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- continuous glucose monitor (CGM) initiation approach
- What this could lead to
- If successful, this could show that a nutrition-focused introduction to CGM helps people with type 2 diabetes better manage their blood sugar levels.
- What could go wrong
- This is a small, completed study comparing two educational approaches, not testing a new drug or device. Results may not apply to everyone with type 2 diabetes.
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
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159 people
The number who actually took part.
- Started
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Jul 2023
- Finished
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Dec 2024
- 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
-
18 years and older
- 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.
Inclusion Criteria: * Adults \>18 years of age * T2D diagnosis * HbA1c 7.0%-10.0% based on point-of-care test at screening * Taking no diabetes medication or taking stable-dose diabetes medication(s) for at least 30 days; willing to maintain stable diabetes medication regimen for the duration of the study * Has a personal cellular-plan or wifi-connected smartphone that is compatible with required CGM apps and which will be consistently available for duration of the study * Has not used a personal CGM system within 90 days * Willing and able to wear CGM and use the associated CGM mobile apps throughout the duration of the study * Willing and able to make diet/lifestyle modifications in response to CGM data * Able to read and understand English * Able to attend study visits and complete the requirements of study Exclusion Criteria: * Currently taking or planning to take any form of insulin, sulfonylureas, meglitinides, or other anti-hyperglycemic diabetes medication that carry a known hypoglycemia risk * Has used a personal CGM in the 90 days prior to consent * Known allergy to medical grade adhesive or isopropyl alcohol used to disinfect skin * Skin conditions that are not compatible with CGM wear * Intended use of \> 4g acetaminophen/day or hydroxyurea during the study * Planning to become pregnant; pregnant; or lactating * Current participation in another interventional clinical trial * Unsuitable for participation due to any other cause, including but not limited to significant comorbidities, as determined by Investigator
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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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HealthPartners Institute dba International Diabetes Center
Minneapolis, Minnesota, 55416, United States
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