Broccoli Sprout Extract for Glycemic Management in Patients with Chronic Kidney Disease and Type 2 Diabetes: A Randomized Double-Blind Placebo-Controlled Trial

Résumé fourni par la source

OBJECTIVE: Glucoraphanin, a precursor of sulforaphane (SFN), is found in high concentrations in broccoli sprout extract (BSE) and has been shown to have antioxidant effects and to improve glucose control in type 2 diabetes (T2D). This randomized controlled trial (RCT) aimed to investigate whether BSE could improve glucose control in patients with chronic kidney disease (CKD) and T2D. DESIGN AND METHODS: This multicentre double-blind placebo-controlled RCT included adult patients with T2D and CKD stages 3b-4. Participants were randomized to receive an incremental dose of BSE (maximum 150 μmol/day BSE (750 μmol SFN)) or placebo. The use BSE or placebo lasted 12 weeks (week 1 to 13) plus 8 weeks (week 14 to 21) with no intervention. The main outcome was improvement in glycemic control. RESULTS: . There were no significant differences in baseline characteristics between the groups. In an intention-to-treat analysis, there were no statistically significant differences between groups in fasting glucose, insulin or HbA1c levels after 13 weeks or at 21 weeks of follow-up (end of study). Similarly, no statistically significant differences were observed between both groups in these variables in a per protocol analysis. CONCLUSION: In patients with T2D and moderate CKD, 12 weeks of treatment with BSE with progressing dose (50 to 150 μmol/day BSE) did not result in statistically significant changes in measures related with glycemic control.

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