scholarly journals Cinnamon supplementation improves blood pressure in type 2 diabetic patients: A systematic review and meta-analysis of randomized controlled trials

2020 ◽  
Vol 9 (4) ◽  
pp. 259-266
Author(s):  
Ronak Jalali ◽  
Marzieh Mahmoodi ◽  
Seyedeh Parisa Moosavian ◽  
Gordon A Ferns ◽  
Zahra Sohrabi
PLoS ONE ◽  
2016 ◽  
Vol 11 (3) ◽  
pp. e0150999 ◽  
Author(s):  
Patricia Melo Aguiar ◽  
Giselle de Carvalho Brito ◽  
Tácio de Mendonça Lima ◽  
Ana Patrícia Alves Lima Santos ◽  
Divaldo Pereira Lyra ◽  
...  

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Zahra Mosallanezhad ◽  
Cain Clark ◽  
Fatemeh Bahreini ◽  
Zahra Motamed ◽  
Abdolhamid Mosallanezhad ◽  
...  

Purpose The purpose of this systematic review and meta-analysis was to investigate the efficacy of propolis on glycemic indices in type 2 diabetic patients. Design/methodology/approach Web of science (ISI), Embase, Scopus and PubMed were systematically searched to find randomized controlled trials (RCTs) assessing the effects of propolis intake on glycemic controls in type 2 diabetic patients, from inception up to September 1, 2020. A random-effects model was used to pool weighted mean difference (WMD). Meta-regression was performed to detect the potential sources of inter-study heterogeneity. Findings Seven trials were included in the meta-analysis. Compared to controls, propolis intake significantly improved serum fasting blood sugar (FBS) (WMD = −13.62 mg/dl, 95% CI = [−23.04, −4.20], P = 0.005, I2 = 58.5%) and hemoglobin A1C (HbA1c) (WMD = −0.52%, 95% CI = [−0.86, −0.18], P = 0.002, I2 = 64.0%). In contrast, receiving propolis did not change serum insulin (WMD = −1.46 (uIU/ml), 95% CI = [−2.94, 0.02], P = 0.05, I2 = 75.0%) and homeostatic model assessment for insulin resistance (HOMA-IR) (WMD = −0.98 (%), 95% CI = [−2.00, 0.04], P = 0.06, I2 = 82.3%) compared to controls. Originality/value The present meta-analysis demonstrated that propolis intake significantly reduces serum FBS and HbA1c in diabetic patients but does not alter serum insulin and HOMA-IR. Further large-scale RCT’s are needed to approve these effects.


2021 ◽  
Vol 5 (Supplement_1) ◽  
pp. A469-A470
Author(s):  
Jia Leng Lim ◽  
Georgina Bergero ◽  
Yogesh Acharya ◽  
James Shaw ◽  
Aaron Liew

Abstract Metformin monotherapy is often insufficient to achieve or sustain glycemic targets in people with type 2 diabetes. Therefore, we performed a systematic review and meta-analysis to assess the efficacy, safety and tolerability of sodium-glucose co-transporter-2 inhibitors versus placebo as add-on therapy after metformin in type 2 diabetes. The systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. A search was performed in the PubMed, www.clinicaltrials.gov and Cochrane Central Register of Controlled Trials databases for relevant randomized controlled trials up until 30th October 2020 that compared sodium-glucose co-transporter-2 inhibitors versus placebo as add-on therapy to metformin. A random-effects model was used. Thirteen randomized controlled trials (4270 participants) met the inclusion criteria. Compared with placebo, sodium-glucose co-transporter-2 inhibitor treatment, as add-on therapy to metformin, was associated with a significant reduction in HbA1c level (mean difference [MD]: -0.6%, 95% CI: -0.7, -0.5; p<0.01), fasting plasma glucose level (MD: -1.4mmol/l; 95% CI; -1.5, -1.3; p<0.01), weight (MD: -2.0kg; 95% CI: -2.2, -1.8; p<0.01), systolic blood pressure (MD: -4.7mmHg; 95% Cl: -5.4, -3.9; p<0.01) and diastolic blood pressure (MD: -2.0mmHg; 95% Cl: -2.5, -1.5; p<0.01). Significantly more participants achieved HbA1c <7% (odds ratio [OR]: 3.1; 95% CI: 2.6, 3.6; p<0.01) in the sodium-glucose co-transporter-2 inhibitor group. Genital mycotic infections (OR: 2.6; 95% CI: 1.4, 4.6; p<0.01) were more common with sodium-glucose co-transporter-2 inhibitors, but there was no significant statistical difference in urinary tract infections (OR: 1.4; 95% CI: 1.0, 2.0; p=0.06), in hypoglycemia (OR: 1.5; 95% CI: 1.0, 2.4; p=0.07), or in discontinuation rates due to adverse events (OR: 0.9; 95% CI: 0.6, 1.5; p=0.68) between the two groups. In summary, in comparison with placebo, add-on therapy with a sodium-glucose co-transporter-2 inhibitor is significantly more efficacious in lowering HbA1c, fasting plasma glucose, weight and blood pressure in people with type 2 diabetes following inadequate glycemic control with metformin. The rate of discontinuation due to adverse events was similar despite higher risk of genital mycotic infections.


2018 ◽  
Vol 88 (1-2) ◽  
pp. 90-99 ◽  
Author(s):  
Tina Jafari ◽  
Aziz A. Fallah ◽  
Noushin Rostampour ◽  
Leila Mahmoodnia

Abstract. Inconsistent findings have been reported regarding the effects of vitamin D on blood pressure in patients with type 2 diabetes (T2D). This study aimed to evaluate the subject through a meta-analysis. A computerized literature search on five databases was performed and randomized controlled trials (RCTs) published until March 2016 were identified. The eligibility criteria for articles to be selected were parallel-group RCTs in which consumption of a kind of vitamin D was compared with placebo in patients with T2D. Un-standardized mean difference and its corresponding 95 % confidence interval (CI) was calculated from the effect sizes by using random effects model. Studies comparing intervention group (received vitamin D) with control group (received placebo) were enrolled in meta-analysis. Meta-analysis on 26 studies with 1789 type 2 diabetic subjects showed that vitamin D significantly reduced systolic blood pressure (SBP; –0.97 mmHg, 95 % CI: –1.94, –0.001, P = 0.050), but not diastolic blood pressure (DBP; –0.10 mmHg, 95 % CI: –0.22, 0.02, P = 0.087). Subgroup analyses showed that administration of vitamin D in patients with baseline serum 25-hydroxy vitamin D < 50 nmol/l and baseline SBP < 140 mmHg significantly reduced SBP. Moreover, the patients who received vitamin D without Ca co-supplementation showed significant reduction in SBP. Vitamin D doses (≤ 2000 or > 2000 IU/day) and method of vitamin D application (Supplementation or food fortification) did not affect the blood pressure. This study demonstrated that vitamin D improved SBP in type 2 diabetic patients. Therefore, this vitamin can be considered as an adjuvant therapy in these patients.


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