Objective. This trial aims to examine the effects of a Probiotic Mixture (VSL#3) on glycemic status and inflammatory markers, in women with GDM. Materials and Methods. Over a period of 8 weeks, 82 women with gestational diabetes were randomly assigned to either an intervention group (n = 41) which were given VSL#3 capsule or to a control group which were given placebo capsule (n = 41). Fasting plasma glucose, homeostatic model assessment of insulin resistance, glycosylated hemoglobin, high-sensitivity C-reactive protein, tumor necrosis factor-α, interleukin-6, Interferon gamma, and interleukin-10 were measured before and after the intervention. Results. After 8 wk of supplementation FPG, HbA1c, HOMA-IR, and insulin levels remained unchanged in the probiotic and placebo groups. The comparison between the two groups showed no significant differences with FPG and HbA1c, but there were significant differences in insulin levels and HOMA-IR (16.6 ± 5.9; 3.7 ± 1.5, resp.). Unlike the levels of IFN-g (19.21 ± 16.6), there was a significant decrease in levels of IL-6 (3.81 ± 0.7), TNF-α (3.10 ± 1.1), and hs-CRP (4927.4 ± 924.6). No significant increase was observed in IL-10 (3.11 ± 5.7) in the intervention group as compared with the control group. Conclusions. In women with GDM, supplementation with probiotics (VSL#3) may help to modulate some inflammatory markers and may have benefits on glycemic control.
The aim of the present systematic review and meta‐analysis was to determine the efficacy of ginger supplementation on blood pressure (BP). PubMed, Scopus, ISI Web of Science, Cochrane Library, and Google Scholar were comprehensively searched until September 2018. Human clinical trials, which reported the effect of ginger supplementation on aortic and/or brachial BP, were included. Mean differences were pooled using a random effects model. Standard methods were used for assessment of heterogeneity, sensitivity analysis, and publication bias. Total of six randomized clinical trials (345 participants) were included in the meta‐analysis. Pooled analysis suggested that ginger supplementation can reduced systolic BP (MD: −6.36 mmHg, 95% confidence interval [−11.27, −1.46]; I2 = 89.8%; P = .011) and diastolic BP (MD: −2.12 mmHg, 95% confidence interval [−3.92, −0.31]; I2 = 73.4%; P = .002). When studies were categorized based on participants' mean age, ginger dosage and duration of intervention, systolic BP and diastolic BP were significantly decreased only in the subset of studies with mean age ≤ 50 years, follow‐up duration of ≤8 weeks and ginger doses ≥3 g/d. Our findings revealed that ginger supplementation has favorable effects on BP. Nonetheless, further studies are warranted before definitive conclusions may be reached.
Existing evidence on the possible effects of saffron on glycemic indices were inconclusive. The aim of the present systematic review and meta-analysis was to clarify the effects of saffron supplementation on glycemic indices, including fasting blood glucose (FBG), fasting insulin, glycated hemoglobin (HbA1c), Quantitative Insulin Sensitivity Check Index (QUICKI) and Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) among both diabetic and nondiabetic patients. A systematic literature search of online databases PubMed, Scopus, ISI Web of science and Cochrane's library was conducted up to August 2020. Randomized controlled trials (RCTs) investigating the effects of saffron supplementation on glycemic indices in adults were included. A total of 15 trials involving 1139 participants were included in this systematic review and meta-analysis. Saffron supplementation resulted in a significant decrease in FBS (WMD = −5.26 mg/dL; 95% CI: −10.08 to −0.44; I 2 = 89.7%), HbA1c (WMD = −0.15%; 95% CI, −0.28 to −0.02; I 2 = 79.4%,), fasting insulin (WMD = 0.12 mIU/L; 95% CI, 0.03 to 0.20; I 2 = 26.6%), and an increase in QUICKI (WMD = 0.01; 95% CI, 0.001 to 0.009; I 2 = 78.4%) compared to control. Saffron supplementation could not reduce HOMA-IR significantly (SMD = −0.21; 95% CI, −0.45 to 0.02; I 2 = 0.0%). Saffron supplements may be beneficial to improve glyceamic indices. Therefore, saffron could be considered as a valuable adjuvant therapy regarding glycemic control of patients.
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