Allison C Sylvetsky1, Hailey R Moore2, Jasmine H Kaidbey3, Sabrina E Halberg3, Fran R Cogen4, Loretta DiPietro3, Angelo Elmi5, Michael I Goran6, Randi Streisand7. 1. Department of Exercise and Nutrition Sciences, Milken Institute School of Public Health, The George Washington University, 950 New Hampshire Avenue NW, Suite 200, Washington, DC 20052, USA. Electronic address: asylvets@gwu.edu. 2. Division of Psychology & Behavioral Health, Children's National Hospital, 111 Michigan Avenue NW, Washington, DC 20010, USA. 3. Department of Exercise and Nutrition Sciences, Milken Institute School of Public Health, The George Washington University, 950 New Hampshire Avenue NW, Suite 200, Washington, DC 20052, USA. 4. Division of Endocrinology, Children's National Hospital, 111 Michigan Avenue NW, Washington, DC 20010, USA; School of Medicine and Health Sciences, The George Washington University, 2300 I St. NW, Washington, DC 20052, USA. 5. Department of Biostatistics and Bioinformatics, Milken Institute School of Public Health, The George Washington University, 950 New Hampshire Avenue NW, Washington, DC 20052, USA. 6. Department of Pediatrics, The Saban Research Institute, Children's Hospital Los Angeles, 4650 Sunset Blvd, Los Angeles, CA 90027, USA. 7. Division of Psychology & Behavioral Health, Children's National Hospital, 111 Michigan Avenue NW, Washington, DC 20010, USA; School of Medicine and Health Sciences, The George Washington University, 2300 I St. NW, Washington, DC 20052, USA.
Abstract
BACKGROUND: Low-calorie sweeteners (LCSs) provide sweetness without sugar or calories and are used to replace added sugars by many children with type 1 diabetes (T1D). However, the role of LCSs in diabetes management and cardiometabolic health is unclear. OBJECTIVE: The Diabetes Research in Kids Study (DRINK-T1D) aims to investigate effects of LCS restriction on glycemic variability, visceral adiposity, lipid profiles, and systemic inflammation among children 6-12 years old with T1D. METHODS: Children with T1D, who report habitual consumption of foods and beverages containing LCSs, are recruited from the Washington Nationals Diabetes Care Complex (DCC) at Children's National Hospital (CNH) in Washington, DC. Following a phone screening and two-week run-in period involving continuation of usual LCS intake, children are randomized to 12 weeks of LCS restriction (replacement of diet beverages with still or sparkling water and avoidance of other sources of LCSs) or continued usual LCS intake (control). The primary outcome is the difference in change in glycemic variability in the LCS restriction group versus the control group. Change in glycemic variability will be assessed as the difference in daily average time-in-range (TIR), measured using continuous glucose monitoring (CGM) during two weeks at the end of the 12-week intervention, compared with during the two-week run-in period prior to randomization. Participants also complete a variety of anthropometric, metabolic, dietary, and behavioral assessments throughout the 14-week study. CONCLUSIONS: DRINK-T1D is an innovative, randomized controlled trial, evaluating effects of LCS restriction on glycemic variability and cardiometabolic health in children with T1D. Findings of DRINK-T1D will support or challenge the common practice of recommending LCS use in this patient population and will have clinically relevant implications for pediatric T1D management. TRIAL REGISTRATION: ClinicalTrials.gov Identifier NCT04385888.
BACKGROUND: Low-calorie sweeteners (LCSs) provide sweetness without sugar or calories and are used to replace added sugars by many children with type 1 diabetes (T1D). However, the role of LCSs in diabetes management and cardiometabolic health is unclear. OBJECTIVE: The Diabetes Research in Kids Study (DRINK-T1D) aims to investigate effects of LCS restriction on glycemic variability, visceral adiposity, lipid profiles, and systemic inflammation among children 6-12 years old with T1D. METHODS: Children with T1D, who report habitual consumption of foods and beverages containing LCSs, are recruited from the Washington Nationals Diabetes Care Complex (DCC) at Children's National Hospital (CNH) in Washington, DC. Following a phone screening and two-week run-in period involving continuation of usual LCS intake, children are randomized to 12 weeks of LCS restriction (replacement of diet beverages with still or sparkling water and avoidance of other sources of LCSs) or continued usual LCS intake (control). The primary outcome is the difference in change in glycemic variability in the LCS restriction group versus the control group. Change in glycemic variability will be assessed as the difference in daily average time-in-range (TIR), measured using continuous glucose monitoring (CGM) during two weeks at the end of the 12-week intervention, compared with during the two-week run-in period prior to randomization. Participants also complete a variety of anthropometric, metabolic, dietary, and behavioral assessments throughout the 14-week study. CONCLUSIONS: DRINK-T1D is an innovative, randomized controlled trial, evaluating effects of LCS restriction on glycemic variability and cardiometabolic health in children with T1D. Findings of DRINK-T1D will support or challenge the common practice of recommending LCS use in this patient population and will have clinically relevant implications for pediatric T1D management. TRIAL REGISTRATION: ClinicalTrials.gov Identifier NCT04385888.
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