减肥不成功?胃饥饿素的升高或是预兆 | 热心肠日报

Weight loss‐induced increase in fasting ghrelin concentration is a predictor of weight regain: Evidence from the Diabetes Remission Clinical Trial (DiRECT)

减重诱导的空腹胃饥饿素浓度增加是体重反弹的预测因素

10.1111/dom.14274

2020-12-02, Article

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Aim: To investigate whether appetite‐related hormones were predictors of weight regain in the Diabetes Remission Clinical Trial (DiRECT).
Materials and Methods: DiRECT is a cluster‐randomized clinical trial, designed to assess the effect of weight loss on type 2 diabetes remission. For this post hoc analysis, data were available for 253 (147 interventions, 106 controls) individuals with type 2 diabetes (age 53.6 ± 7.5 years, body mass index 34.7 ± 4.4 kg/m2, 59% men). Intervention participants received a 24‐month weight management programme, and controls remained on usual diabetes care. Fasting plasma concentrations of leptin, ghrelin, glucagon‐like peptide‐1 and peptide YY were measured at baseline, 12 months and 24 months in all participants, and at 5 months in a subset of participants in the intervention (n = 56) and control groups (n = 22). Potential predictors were examined using multivariable linear regression models.
Results: The intervention group lost 14.3 ± 6.0% body weight at 5 months but regained weight over time, with weight losses of 10.0 ± 7.5% at 12 months and 7.6 ± 6.3% at 24 months. Weight loss in controls was 1.1 ± 3.7% and 2.1 ± 5.0% at 12 and 24 months, respectively. Body weight increased by 2.3% (95% confidence interval [CI] 0.4, 4.1; P = 0.019) between 12 and 24 months for every 1‐ng/mL increase in ghrelin between baseline and 12 months, and weight regain between 12 and 24 months was increased by 1.1% (95% CI 0.2, 2.0; P = 0.023) body weight for every 1‐ng/mL increase in ghrelin at 12 months.
Conclusion: The rise in ghrelin (but not any other measured hormone) during diet‐induced weight loss was a predictor of weight regain during follow‐up, and concentrations remained elevated over time, suggesting a small but significant compensatory drive to regain weight. Attenuating the effects of ghrelin may improve weight‐loss maintenance.

First Authors:
George Thom

Correspondence Authors:
Michael E J Lean

All Authors:
George Thom,Alasdair McIntosh,Claudia‐Martina Messow,Wilma S Leslie,Alison C Barnes,Naomi Brosnahan,Louise McCombie,Dalia Malkova,Ahmad Al‐Mrabeh,Sviatlana Zhyzhneuskaya,Paul Welsh,Naveed Sattar,Roy Taylor,Michael E J Lean

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