Which blood sugar monitor works better for diabetes control?
NCT ID NCT05222815
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two methods of tracking blood sugar in people with type 2 diabetes: traditional fingerstick testing and continuous glucose monitors (CGMs). About 360 adults aged 18 to 75 who use insulin will be followed for 12 months to see which method better lowers A1C levels and reduces diabetes-related distress. The goal is to find out which monitoring approach works best in everyday primary care settings.
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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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360 people
The number who actually took part.
- Started
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Aug 2022
- Expected to finish
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Aug 2026
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 75 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.
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: 1. Age 18 to 75 (inclusive) 2. Diagnosis of type 2 diabetes 3. A1C 7.5% to 12% (inclusive) in the last 2 months. (If A1C is older than 2 months at the baseline visit, a point-of-care or lab A1C may be done for eligibility) 4. Insulin use with or without other classes of glycemia medication use 5. No significant comorbidities that could impair the ability of a primary care team to manage diabetes, including but not limited to end stage renal disease, cognitive impairment, active cancer, and pregnancy 6. Established care within the HealthPartners Care Group, no plans to move within the next year, and willing to participate for the duration of the study 7. Willing and able to follow procedures for collecting blinded CGM data at baseline, 6 and 12 months follow-up 8. Willing to complete surveys at baseline, 3, 6, 9 and 12 months. 9. Willing to use SMBG or CGM, depending on randomization, in the way that their care team recommends and/or how they feel is most useful in managing their diabetes 10. Not currently using personal CGM 11. Not planning to become pregnant Exclusion Criteria: 1. Unwillingness or inability to provide informed consent 2. Deemed not suitable for participation in the study based on any other clinical criteria as determined by study investigator(s)
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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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International Diabetes Center
Saint Louis Park, Minnesota, 55416, United States
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