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Article

Time-Limited Eating and Continuous Glucose Monitoring in Adolescents with Obesity: A Pilot Study

1
Center for Endocrinology, Diabetes and Metabolism, Diabetes & Obesity Program, Department of Pediatrics, Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA
2
Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA
3
Research Center for Health Equity, Cedars-Sinai Medical Center, Department of Medicine, Samuel Oschin Comprehensive Cancer Institute, Los Angeles, CA 90048, USA
4
Department of Population and Public Health Sciences, Keck School of Medicine, Southern California Clinical and Translational Science Institute (SC-CTSI), Los Angeles, CA 90007, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Silvia Scaglioni, Alessandra Mazzocchi and Valentina De Cosmi
Nutrients 2021, 13(11), 3697; https://doi.org/10.3390/nu13113697
Received: 1 September 2021 / Revised: 7 October 2021 / Accepted: 15 October 2021 / Published: 21 October 2021
(This article belongs to the Special Issue Nutritional Habits and Interventions in Childhood)
Due to its simplicity, time-limited eating (TLE) may represent a more feasible approach for treating adolescents with obesity compared to other caloric restriction regimens. This pilot study examines the feasibility and safety of TLE combined with continuous glucose monitoring (CGM) in adolescents. Fifty adolescents with BMI ≥95th percentile were recruited to complete a 12-week study. All received standard nutritional counseling, wore a CGM daily, and were randomized to: (1) Prolonged eating window: 12 h eating/12 h fasting + blinded CGM; (2) TLE (8 h eating/16 h fasting, 5 days per week) + blinded CGM; (3) TLE + real-time CGM feedback. Recruitment, retention, and adherence were recorded as indicators of feasibility. Weight loss, dietary intake, physical activity, eating behaviors, and quality of life over the course of the intervention were explored as secondary outcomes. Forty-five participants completed the study (16.4 ± 1.3 years, 64% female, 49% Hispanic, 75% public insurance). There was high adherence to prescribed eating windows (TLE 5.2 d/wk [SD 1.1]; control 6.1 d/wk [SD 1.4]) and daily CGM wear (5.85 d/wk [SD 4.8]). Most of the adolescents (90%) assigned to TLE reported that limiting their eating window and wearing a CGM was feasible without negative impact on daily functioning or adverse events. There were no between-group difference in terms of weight loss, energy intake, quality of life, physical activity, or eating behaviors. TLE combined with CGM appears feasible and safe among adolescents with obesity. Further investigation in larger samples, with a longer intervention duration and follow-up assessments are needed. View Full-Text
Keywords: intermittent fasting; continuous glucose monitor; obesity; pediatrics; adolescents intermittent fasting; continuous glucose monitor; obesity; pediatrics; adolescents
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MDPI and ACS Style

Vidmar, A.P.; Naguib, M.; Raymond, J.K.; Salvy, S.J.; Hegedus, E.; Wee, C.P.; Goran, M.I. Time-Limited Eating and Continuous Glucose Monitoring in Adolescents with Obesity: A Pilot Study. Nutrients 2021, 13, 3697. https://doi.org/10.3390/nu13113697

AMA Style

Vidmar AP, Naguib M, Raymond JK, Salvy SJ, Hegedus E, Wee CP, Goran MI. Time-Limited Eating and Continuous Glucose Monitoring in Adolescents with Obesity: A Pilot Study. Nutrients. 2021; 13(11):3697. https://doi.org/10.3390/nu13113697

Chicago/Turabian Style

Vidmar, Alaina P., Monica Naguib, Jennifer K. Raymond, Sarah J. Salvy, Elizabeth Hegedus, Choo P. Wee, and Michael I. Goran. 2021. "Time-Limited Eating and Continuous Glucose Monitoring in Adolescents with Obesity: A Pilot Study" Nutrients 13, no. 11: 3697. https://doi.org/10.3390/nu13113697

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