New app could make insulin dosing safer for type 1 diabetes patients
NCT ID NCT06974201
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests a smartphone app called Diabetes:M that helps people with type 1 diabetes figure out the right insulin dose based on their food intake and blood sugar levels. Thirty adults will use the app for two weeks and compare their blood sugar control to a two-week period without the app. The goal is to see if the app improves time spent in a healthy blood sugar range and reduces dangerous lows or highs.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Diabetes:M bolus calculator app
- What this could lead to
- If successful, this app could help people with type 1 diabetes manage their insulin dosing more accurately, reducing dangerous blood sugar swings.
- What could go wrong
- This is a small, early-stage trial with only 30 participants, so results may not apply to everyone. The app may not work better than standard methods for all users.
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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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2025
- Expected to finish
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Oct 2025
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.
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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: * Subjects are eligible to be included in the trial only if all the following criteria apply: 1. Informed consent obtained before any trial-related activities. Trial-related activities are any procedures that are carried out as part of the trial, including activities to determine suitability for the trial. 2. Ability to adhere to the study visit schedule and other protocol requirements. 3. Male or female, age from 18 years to 75 years at the time of signing informed consent. 4. Diagnosed with type 1 diabetes regardless of the disease duration. 5. On treatment with MDI or CSII. 6. Using CGM. 7. eGFR-EPI ≥ 45 ml/min/1.73m 2 . Exclusion Criteria: * Subjects are excluded from the trial if any of the following criteria apply: Diabetes related 1\. Male or female, age \< 18 years or \> 75 years. 2. Diagnosed with type 2 diabetes. 3. Diagnosed with diabetes proliferative retinopathy. 4. Renal impairment measured as estimated glomerular filtration rate (eGFR-EPI) value of \< 45 mL/min/1.73 m 2 according to KDIGO. 5. Frequent severe hypoglycaemic episodes (\<3.5 mmol/l). 6. Any acute illnesses, which might influence glycaemic control in short term. General safety 8. Myocardial infarction, stroke, hospitalization for unstable angina pectoris or transient ischaemic attack within 3 months prior to the day of screening. 9. Presently classified as being in New York Heart Association (NYHA) Class IV. 10. Presence or history of malignant neoplasm within 5 years prior to the day of screening. 11\. Female who is pregnant, breast-feeding or intends to become pregnant or is of child-bearing potential and not using a highly effective contraceptive method. 12. Any disorder, unwillingness or inability, which in the investigator's opinion, might jeopardise the subject's safety or compliance with the protocol.
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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 Hospital for Active Treatmnet in Endocrinology "Acad Ivan Penchev" EAD, Medical University of Sofia
Sofia, 1431, Bulgaria
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