Using the MiniMed 780G Advanced Hybrid Closed Loop System with GS4 Sensor in Children and Adolescents Aged 7 to 17 Newly Diagnosed with Type 1 Diabetes to Improve Blood Sugar Control Compared to Standard Insulin Therapy
Led by National and Kapodistrian University of Athens · Updated on 2025-04-09
30
Participants Needed
1
Research Sites
17 weeks
Total Duration
AI-Summary
What this Trial Is About
Researchers are evaluating the glycemic control in children and adolescents aged 7 to 17 years who have been newly diagnosed with type 1 diabetes. This observational study compares the use of the Advanced Hybrid Closed Loop AHCL system MiniMed 780G with the GS4 calibration-free glucose sensor combined with continuous glucose monitoring, against historical data of those treated with multiple daily insulin injections MDI. The study aims to assess blood sugar management and patient-reported outcomes over time.
Participants will use the MiniMed 780G AHCL system starting directly after their type 1 diabetes diagnosis. This device continuously monitors glucose levels and adjusts insulin delivery automatically to help control blood sugar. The initial study period lasts 3 months, followed by a 3-month extension phase to further observe the effects of the system.
Throughout the study, participants will be monitored for glucose control using continuous glucose monitoring metrics and HbA1c measurements at 3 and 6 months. Additional assessments include insulin usage, time spent above and below target glucose ranges, fear of hypoglycemia, quality of life questionnaires, and biological markers such as fasting c-peptide. Participants will also need to wear study devices, follow specific instructions, and upload their data regularly. The total study duration is 6 months including the extension phase.
CONDITIONS
Brief Title
Effect of Advanced Hybrid Closed Loop System, MiniMed 780G in Newly Diagnosed Children and Adolescents With Type 1 Diabetes on Glycemic Control and Patient Reported Outcomes Compared to Standard Insulin Therapy Historical Data (AHCL in New Onset T1D Children Study)
Research Team
C
Christina Kanaka- Gantenbein, Professor
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Clinical diagnosis of type 1 diabetes based on WHO criteria and investigator judgment
Age between 7 and 17 years
Literate in Greek or English
Willing to wear study devices
Willing to follow study-specific instructions
Total daily insulin dose over 8 units in the past week
Able and willing to download data into Medtronic CareLink software with internet access
Clinically eligible to start the AHCL system
You will not qualify if you...
Type 2 diabetes or MODY diabetes
Untreated comorbidities related to type 1 diabetes
Medications affecting metabolic control or HbA1c interpretation
Pregnancy
Untreated diabetes retinopathy or other conditions preventing trial participation
Known or suspected insulin allergy
Regular use of acetaminophen
Lack of reliable telephone contact
Living alone
Severe visual or hearing impairments
Allergy or intolerance to sensor adhesive
Serious skin lesions at sensor insertion sites
Illicit drug or alcohol abuse
Sickle cell disease, haemoglobinopathy, recent blood transfusion or erythropoietin use
Eating disorders such as anorexia or bulimia
Milk protein allergy
Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Implementation
Duration - 3 months
Participants begin use of the Advanced Hybrid Closed Loop system MiniMed 780G with GS4 glucose sensor immediately upon diagnosis of type 1 diabetes and are observed over time.
Visits occur at baseline and 3 months
Implementation
Duration - 3 months (extension phase)
Participants continue using the Advanced Hybrid Closed Loop system MiniMed 780G with GS4 glucose sensor during an extension phase to further assess glycemic control and patient-reported outcomes.
Visit at 6 months
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
0
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Published Research Related To This Trial
Glucose and Psychosocial Outcomes 12 Months Following Transition from Multiple Daily Injections to Advanced Hybrid Closed Loop in Youth with Type 1 Diabetes and Suboptimal Glycemia.
Venus R Michaels, Alisa Boucsein, Antony S Watson...
Glycemic outcomes of Advanced Hybrid Closed Loop system in children and adolescents with Type 1 Diabetes, previously treated with Multiple Daily Injections (MiniMed 780G system in T1D individuals, previously treated with MDI).
Goran Petrovski, Fawziya Al Khalaf, Judith Campbell...
Effect of 48 Months of Closed-Loop Insulin Delivery on Residual C-Peptide Secretion and Glycemic Control in Newly Diagnosed Youth With Type 1 Diabetes: A Randomized Trial.
Julia Ware, Charlotte K Boughton, Janet M Allen...