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Effects of Patient-Driven Lifestyle Modification Using Intermittently Scanned Continuous Glucose Monitoring in Patients With Type 2 Diabetes: Results From the Randomized Open-label PDF Study

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Choe, Hun Jee, Rhee, Eun-Jung, Won, Jong Chul, Park, Kyong Soo, Lee, Won-Young, Cho, Young Min·2022·Diabetes Care

Abstract

OBJECTIVE: To investigate the effects of patient-driven lifestyle modification using intermittently scanned continuous glucose monitoring (isCGM) in patients with type 2 diabetes (T2D). RESEARCH DESIGN AND METHODS: We conducted a 12-week, open-label, randomized controlled trial. A total of 126 participants were 1:1 randomized to either the intervention group (structured education + isCGM) or the control group (standard care with blood glucose monitoring). The Self-Evaluation Of Unhealthy foods by Looking at postprandial glucose (SEOUL) algorithm was developed and applied to aid structured education in guiding patients to follow healthy eating behavior depending on the postprandial glycemic response. The primary end point was the change in HbA1c level from baseline. RESULTS: Implementation of the SEOUL algorithm with isCGM was associated with greater improvement in HbA1c than with standard care (risk-adjusted difference −0.50%, 95% CI −0.74 to −0.26, P < 0.001). Participants in the intervention group had a greater reduction in fasting blood glucose and body weight (−16.5 mg/dL, 95% CI −30.0 to −3.0, P = 0.017; −1.5 kg, 95% CI −2.7 to −0.3, P = 0.013, respectively). The score sum for the Korean version of the revised Summary of Diabetes Self-Care Activities Questionnaire increased in both groups but to a greater extent in the intervention group (mean difference 4.8, 95% CI 1.7–8.0, P = 0.003). No severe hyperglycemia or hypoglycemia was reported in either group of patients. CONCLUSIONS: Patient-driven lifestyle modification primarily focused on eating behavior using isCGM effectively lowered HbA1c levels in patients with T2D.

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Authors
Choe, H. J., Rhee, E.-J., Won, J. C., Park, K. S., Lee, W.-Y., & Cho, Y. M.
Affiliations
  • Seoul National University (KR)
  • Kangbuk Samsung Hospital (KR)
  • Inje University (KR)
Corresponding author
Cho, Young Min
Venue
Diabetes Care
Published
2022-08-19
Volume
45
Issue
10
Pages
2224-2230
ISSN
  • 0149-5992 (ISSN-L)
  • 1935-5548
OpenAlex
W4292367308
Cited by
59
References
22
Citations by year
2026: 7 · 2025: 25 · 2024: 16 · 2023: 10 · 2022: 1
FWCI
9.64
Type
journal article
Language
en
Open access
Locations
  • Diabetes Care (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Daewoong Pharmaceuticals Co., Ltd.
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Education
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
Keywords
type 2 diabetes, intermittently scanned continuous glucose monitoring, dietary habits, postprandial glycemic response, HbA1c, glycemic control, diabetes self-care, weight loss, fasting blood glucose
MeSH terms
Blood Glucose, Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2, Glycated Hemoglobin, Humans, Hypoglycemic Agents, Life Style, Blood Glucose Self-Monitoring

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