• Somayyeh Hashemian, Mehrnaz Shojaei, Shabnam Radbakhsh, Sorour Ashari, Maryam Matbou Riahi, Zeinab Shateri Amiri, Stephen L Atkin, Maciej Banach, Mohammad Bagherniya, Seyed Ahmad Emami, and Amirhossein Sahebkar.
• Applied Biomedical Research Centre, Mashhad University of Medical Sciences, Mashhad, Iran.
• Arch Med Sci. 2023 Jan 1; 19 (6): 169317001693-1700.

IntroductionTrehalose is a naturally occurring disaccharide of 2 glucose molecules, which has been suggested as a potential therapeutic agent to reduce blood glucose and ameliorate diabetes-related complications in type 2 diabetes (T2D). This study aimed to determine the efficacy of medium-term trehalose treatment in patients with T2D.Material And MethodsA double-blind, randomized, placebo-controlled trial in 40 patients with T2D was undertaken; 20 ingested trehalose 3.3 g/day and 20 placebo (sucrose), for 3 months. Parameters of glycaemic indices, high-sensitivity C-reactive protein (CRP), mood status, and quality of life were measured.ResultsCRP was significantly lower with trehalose treatment (-0.62 ±0.3 mg/l, p = 0.02); however, no differences in glycaemic indices of fasting blood glucose (FBG) (-7.1 ±10.7 mg/dl, p = 0.15), glycated hemoglobin (HbA1c) (-0.1 ±0.4%, p = 0.73), insulin (0.73 ±0.8 μU/ml, p = 0.39), or insulin resistance (HOMA-IR) (0.19 ±0.33, p = 0.56) were seen between groups after 12 weeks. Depression and stress scores were lower with trehalose compared to the placebo group (p = 0.02 and p = 0.05, respectively), whilst the quality-of-life score was higher with trehalose compared to placebo (p = 0.03) at the end of study. Between-group differences in these indices did not reach statistical significance (-2.36 ±1.20, -2.21 ±1.39 and 3.00 ±1.76 for depression, stress, and quality-of-life score, respectively) (p > 0.05). The pro-oxidant antioxidant balance (PAB) did not differ between groups (-4.6 ±12.8, p = 0.72).Conclusions12 weeks of treatment with 3.3 g/day of oral trehalose significantly improves CRP as a marker of inflammation, with potential favourable effects on quality of life, depression, and stress levels, but overall glycaemic control and pro-oxidant-antioxidant balance were unaltered during this time frame.Copyright: © 2023 Termedia & Banach.

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