Secondary analysis of newly diagnosed type 2 diabetes subgroups and treatment responses in the MARCH cohort

Article

Wang, Weihao, Li, Xinyao, Chen, Fei, Wei, Ran, Chen, Zhi, Li, Jingjing, Qiao, Jingtao, Pan, Qi, Yang, Wenying and Guo, Lixin. 2024. "Secondary analysis of newly diagnosed type 2 diabetes subgroups and treatment responses in the MARCH cohort." Diabetes and Metabolic Syndrome: Clinical Research and Reviews. 18 (1). https://doi.org/10.1016/j.dsx.2023.102936
Article Title

Secondary analysis of newly diagnosed type 2 diabetes subgroups and treatment responses in the MARCH cohort

ERA Journal ID124527
Article CategoryArticle
AuthorsWang, Weihao, Li, Xinyao, Chen, Fei, Wei, Ran, Chen, Zhi, Li, Jingjing, Qiao, Jingtao, Pan, Qi, Yang, Wenying and Guo, Lixin
Journal TitleDiabetes and Metabolic Syndrome: Clinical Research and Reviews
Journal Citation18 (1)
Article Number102936
Number of Pages9
Year2024
PublisherElsevier
Place of PublicationUnited States
ISSN1871-4021
Digital Object Identifier (DOI)https://doi.org/10.1016/j.dsx.2023.102936
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S1871402123002321?
Abstract

Objective
To incorporate new clusters in the MARCH (Metformin and AcaRbose in Chinese patients as the initial Hypoglycemic treatment) cohort of newly diagnosed type 2 diabetes (T2D) patients and compare the anti-glycemic effects of metformin and acarbose across different clusters.
Methods
K-means cluster analysis was performed based on six clinical indicators. The diabetic clusters in the MARCH cohort were retrospectively associated with the response to metformin and acarbose.
Results
A total of 590 newly diagnosed T2D patients were classified by data-driven clusters into the MARD (mild obesity-related diabetes) (34.1 %), MOD (mild obesity-related diabetes) (34.1 %), SIDD (severe insulin-deficient diabetes) (20.3 %) and SIRD (severe insulin-resistant diabetes) (11.5 %) subgroups at baseline. At 24 and 48 weeks, 346 participants had finished the follow-up. After the adjustment of age, gender, weight, baseline HbA1c, baseline fasting glucose and 2-h postprandial blood glucose (2hPG), metformin mainly decreased the fasting glucose (0.07 ± 0.89 vs −0.26 ± 0.83, P = 0.043) in the MARD subgroup presented with OGTT (oral glucose tolerance test) results compared with acarbose group at 24 weeks. Acarbose led to a greater decrease in 2hPG in the MOD subgroup compared with metformin group (0.08 ± 0.86 vs −0.24 ± 0.92, P = 0.037) at 24 weeks. There was a also significant interaction between cluster and treatment efficacy in HbA1c (glycated hemoglobin) reduction in metformin and acarbose groups at 24 and 48 weeks (pinteraction<0.001).
Conclusions
Metformin and acarbose affected different metabolic variables depending on the diabetes subtype.

KeywordsDiabetes classification ; Metformin; Acarbose; Newly diagnosed diabetes
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 20204602. Artificial intelligence
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Byline AffiliationsBeijing Hospital, China
University of Electronic Science and Technology of China, China
University of Chinese Academy of Sciences, China
China-Japan Friendship Hospital, China
University of Queensland
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