Diabetes drug adherence study halted after just one participant
NCT ID NCT06333080
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study aimed to see if following the exact dosing instructions for oral semaglutide helps control blood sugar in people with type 2 diabetes who are already on metformin. Only one person enrolled before the study was stopped early. The main focus was on changes in blood sugar levels measured by a continuous glucose monitor.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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1 person
The number who actually took part.
- Started
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Nov 2023
- Finished
-
Jul 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.
Who is studied
All included participants must have type 2 diabetes, which is dysregulated on metformin and be naïve to second line antidiabetic treatment. Participants are regarded as dysregulated if a HbA1c of 53-75 mmol/mol has been recorded 3 months prior to trial inclusion and again at the first visit. As the participants do not have glycaemic control, the next step in the treatment is to initiate a second line antidiabetic treatment, which in this clinical trial is oral semaglutide. Thus, eligible participants for this study should have a second line antidiabetic treatment added to their metformin treatment, regardless of participation in this study. The participants will continue their metformin treatment and treatment with oral semaglutide will be initiated two weeks after trial start.
- Ages
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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: * Diagnosis of type 2 diabetes for at least 1 year. * HbA1c of 53-75 mmol/mol at ???. * Treated with metformin for at least 1 year. * Can understand and read Danish. * Can use a smartphone, as well as the devices used in the clinical trial. * Signed informed consent. Exclusion Criteria: * HbA1c value recorded less than 3 months prior to inclusion in trial. * Current or prior treatment with other glucose-lowering medications than metformin. * Cardiovascular disease or kidney disease which would indicate use of other second line treatments such as SGLT2 inhibitors or s.c. GLP1 receptor agonists (see also current guidelines https://endocrinology.dk/nbv/diabetes-melitus/behandling-og-kontrol-af-type-2-diabetes/). * Other types of diabetes than type 2 diabetes. * Participation in other trials. * Pregnancy or breastfeeding. * Known retinopathy. * Known allergy to semaglutide. * Major surgery planned during the trial period. * Cancer diagnosis within five years prior to inclusion. * Personal or family history of medullary thyroid carcinoma. * Multiple endocrine neoplasia syndrome type 2. * Conditions, which the investigators deem to render the participant unfit for inclusion in the trial, including a physical or cognitive inability to participate in the trial.
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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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Steno Diabetes Center North Denmark
Aalborg, 9000, Denmark
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