The goal of this pilot longitudinal study is to investigate whether intermittent use of the Dexcom G7 continuous glucose monitor, together with pediatric endocrinology follow-up, diabetes education, and psychological support, can improve glucose control in children and adolescents with high-risk type 1 diabetes in the Dominican Republic. The study will include 40 participants, 10 to 19 years of age, from two pediatric diabetes care centers. Participants will use the Dexcom G7 during two short monitoring periods in the early part of the study. Each participant will use six sensors in total. Between and after these monitoring periods, participants will return to their usual finger-stick glucose monitoring with a glucometer. Participants and their families will also attend scheduled medical visits, diabetes education sessions, and psychological support sessions. Study information will be collected from medical records, laboratory results, Dexcom Clarity reports, participant glucose logs, study forms, and questionnaires. The study will assess changes in HbA1c, time in range, average glucose, glucose variability, low and high blood glucose episodes, adverse events, diabetes-related distress, fear of hypoglycemia, and satisfaction with glucose monitoring.
Study Type
OBSERVATIONAL
Enrollment
40
Intermittent CGM + pediatric endocrinology follow-up, diabetes education and psychological support
Hospital Infantil Regional Universitario Dr. Arturo Grullón
Santiago de los Caballeros, Dominican Republic
RECRUITINGFundación Aprendiendo a Vivir
Santo Domingo, Dominican Republic
RECRUITINGHospital Infantil Robert Reid Cabral
Santo Domingo, Dominican Republic
RECRUITINGChange in HbA1c
Time frame: Baseline, 3 months, 6 months, 9 months and 12 months
Change in % CGM Time in Range
Time frame: Baseline, Month 1 and Month 4
Mean sensor glucose
Time frame: Month 1 and Month 4
% CGM Time in tight range
Time frame: Month 1 and Month 4
% CGM time spent above range
Time frame: Month 1 and Month 4
% CGM time below range
Time frame: Month 1 and Month 4
CGM glycemic variability
Measured as SD sensor glucose and coefficient of variation
Time frame: Month 1 and Month 4
Episodes of diabetic ketoacidosis
Time frame: Throughout study follow-up duration of 12 months
Episodes of severe hypoglycemia
Time frame: Throughout study follow-up duration of 12 months
Change in Fear of Hypoglycemia
Evaluated using the Children/youth version of the Hypoglycemia Fear Survey (CHFS with Part II (Child/Teen)). A low score indicates lower fear of hypoglycemia.
Time frame: Baseline and Month 3
Change in Diabetes-Related Distress
Diabetes-related distress will be assessed using the Problem Areas In Diabetes questionnaires for children (PAID-C), adolescents (PAID-T), and parents (P-PAID-C or P-PAID-T) according to the participant's age. A low PAID score indicates that the individual is experiencing low levels of diabetes-related distress.
Time frame: Baseline and Month 3
Satisfaction With Glucose Monitoring
Satisfaction with glucose monitoring will be assessed using the Glucose Monitoring Satisfaction Survey (GMSS). A higher total score indicates greater satisfaction with the monitoring tool.
Time frame: Month 6
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