scholarly journals Alternate-day versus daily energy restriction diets: which is more effective for weight loss? A systematic review and meta-analysis

2016 ◽  
Vol 2 (3) ◽  
pp. 293-302 ◽  
Author(s):  
B. A. Alhamdan ◽  
A. Garcia-Alvarez ◽  
A. H. Alzahrnai ◽  
J. Karanxha ◽  
D. R. Stretchberry ◽  
...  
Keyword(s):  
Systematic Review ◽  
Weight Loss ◽  
Meta Analysis ◽  
Energy Restriction ◽  
Daily Energy

Intermittent Versus Continuous Energy Restriction for Weight Loss and Metabolic Improvement: A Meta‐Analysis and Systematic Review

Obesity ◽  
2020 ◽  
Vol 29 (1) ◽  
pp. 108-115
Author(s):  
Shasha He ◽  
Jiao Wang ◽  
Jie Zhang ◽  
Jixiong Xu
Keyword(s):  
Systematic Review ◽  
Weight Loss ◽  
Meta Analysis ◽  
Energy Restriction ◽  
Continuous Energy

Reply to: “Effect of weight loss induced by energy restriction on measures of arterial compliance: A systematic review and meta-analysis”

2016 ◽  
Vol 252 ◽  
pp. 203-204
Author(s):  
Kristina S. Petersen ◽  
Peter M. Clifton ◽  
Natalie Lister ◽  
Jennifer B. Keogh
Keyword(s):  
Systematic Review ◽  
Weight Loss ◽  
Arterial Compliance ◽  
Meta Analysis ◽  
Energy Restriction

scholarly journals Higher Compared to Lower Protein Show Favourable Effects on Weight Loss and Fat Mass – A Systematic Review and Meta-Analysis

2021 ◽  
Vol 5 (Supplement_2) ◽  
pp. 1102-1102
Author(s):  
Yakima Vogtschmidt ◽  
Anne Raben ◽  
Ilona Faber ◽  
Claudia de Wilde ◽  
Julie Lovegrove ◽  
...  
Keyword(s):  
Systematic Review ◽  
Weight Loss ◽  
Fat Mass ◽  
Meta Analysis ◽  
Data Entry ◽  
Glycated Haemoglobin ◽  
Obesity And Diabetes ◽  
Daily Energy ◽  
Lower Protein ◽  
Randomised Controlled

Abstract Objectives Our objective was to conduct a systematic review and meta-analysis of the effects of higher versus lower dietary protein consumption on obesity and diabetes related measures in adults, using the most up-to-date evidence from randomised controlled trials (RCTs). Methods A systematic search with predefined keywords was conducted in PubMed, Scopus, and Web of Science up to January 2020 and subsequently updated in November 2020. Adult populations (age range: 23 to 68 years; mean body mass index (BMI): 33 ± 3.3 kg/m2) were included and the percentage of men/women was 35%/65%. Data were independently extracted with the use of standard forms in “Covidence” and with double data-entry checks. Random effects meta-analyses were conducted to pool the standardised mean differences (SMD) and 95% confidence intervals (CI). The main study outcomes were weight loss, fat mass, BMI, waist circumference, fasting glucose, fasting insulin and glycated haemoglobin (HbA1c). Results Fifty-seven articles reporting on 54 trials were included, with 2185 and 2159 participants in the higher protein (HP) and lower protein (LP) groups, respectively. The mean daily energy intakes were 1764 ± 455 kcal in the HP group and 1768 ± 462 kcal in the LP group. The percentage of protein, carbohydrate, and total fat of the total daily energy intake (E%) were 28%, 41% and 30% in the HP group and 18%, 54% and 28% in the LP group. Significant effects of the HP compared to LP diets were found for weight loss (pooled SMD −0.13, 95% CI: −0.23, −0.04) and fat mass (pooled SMD −0.14, 95% CI: −0.25, −0.04), with small to moderate heterogeneity. This is equivalent to a greater weight loss of 0.67 kg (95% CI: −1.14, −0.19) and a greater reduction in fat mass of 0.57 kg (95% CI: −0.95, −0.19) after the HP compared to LP diets. No significant differences were found for the other study outcomes. Conclusions This meta-analysis of 54 trials showed that higher (28 E%) compared to lower protein diets (18 E%) had small but favourable effects on weight loss and fat mass, which are relevant indicators for the development of obesity and its complications. Funding Sources None.

scholarly journals Diet Therapeutics Interventions for Obesity: A Systematic Review and Network Meta-Analysis

2021 ◽  
Vol 21 (3) ◽  
pp. e00521-e00521
Author(s):  
Mina Morsali ◽  
Jalal Poorolajal ◽  
Fatemeh Shahbazi ◽  
Aliasghar Vahidinia ◽  
Amin Doosti-Irani
Keyword(s):  
Systematic Review ◽  
Weight Loss ◽  
Meta Analysis ◽  
Diet Therapy ◽  
Overweight And Obesity ◽  
Energy Restriction ◽  
Cochrane Library ◽  
Behavioral Weight Loss ◽  
Very Low Calorie Diet ◽  
Low Calorie

Background: Up to now, different diet therapeutics interventions have been introduced for the treatment of obesity. The present study aimed to compare the diet therapeutics interventions for obesity simultaneously. Study design: Systematic review and network meta-analysis Methods: The major international databases, including Medline (via PubMed), Web of Science, Scopus, Cochrane Library, and Embase, were searched using a predesigned search strategy. Randomized controlled trials (RCTs) that had compared the diet therapy interventions were included. The mean difference with a 95% confidence interval was used to summarize the effect size in the network meta-analysis. The frequentist approach was used for data analysis. Results: In total, 36 RCTs out of 9335 retrieved references met the inclusion criteria in this review. The included RCTs formed nine independent networks. Based on the results, Hypocaloricdiet+Monoselect Camellia (MonCam, P=0.99), energy restriction, behavior modification+exercise (LED) (P=0.99), sweetener at 20% of total calories (HFCS20)+Ex (P=0.67), catechin-richgreentea(650)+inulin (P=0.68), very low calorie diet (VLCD) (P=1.00), normal protein diet+resistance exercise (NPD+RT) (P=0.80), low-calorie diets+exercise (Hyc+Ex) (P=0.85), high-soy-protein low-fat diet (SD) (P=0.75), calorie restriction+behavioral weight loss (Hyc+BWL) (P=0.99) were the better treatments for weight loss in the networks one to nine, respectively. Conclusion: Based on the results of network meta-analysis, it seems that Hypocaloricdiet+MonCam, LED, HFCS20+Ex, catechin-rich green tea +inulin, VLCD, NPD+RT, Hyc+Ex, SD, Hyc+BWL, are the better treatments for weight loss in patients with overweight and obesity.

scholarly journals Weight-Loss Outcomes: A Systematic Review and Meta-Analysis of Intermittent Energy Restriction Trials Lasting a Minimum of 6 Months

Nutrients ◽  
2016 ◽  
Vol 8 (6) ◽  
pp. 354 ◽  
Author(s):  
Michelle Headland ◽  
Peter Clifton ◽  
Sharayah Carter ◽  
Jennifer Keogh
Keyword(s):  
Systematic Review ◽  
Weight Loss ◽  
Meta Analysis ◽  
Energy Restriction ◽  
Weight Loss Outcomes

scholarly journals Efficacy and safety of low and very low carbohydrate diets for type 2 diabetes remission: systematic review and meta-analysis of published and unpublished randomized trial data

BMJ ◽  
2021 ◽  
pp. m4743
Author(s):  
Joshua Z Goldenberg ◽  
Andrew Day ◽  
Grant D Brinkworth ◽  
Junko Sato ◽  
Satoru Yamada ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Systematic Review ◽  
Type 2 Diabetes ◽  
Weight Loss ◽  
Meta Analysis ◽  
Risk Of Bias ◽  
Low Carbohydrate ◽  
Remission Of Diabetes

Abstract Objective To determine the efficacy and safety of low carbohydrate diets (LCDs) and very low carbohydrate diets (VLCDs) for people with type 2 diabetes. Design Systematic review and meta-analysis. Data sources Searches of CENTRAL, Medline, Embase, CINAHL, CAB, and grey literature sources from inception to 25 August 2020. Study selection Randomized clinical trials evaluating LCDs (<130 g/day or <26% of a 2000 kcal/day diet) and VLCDs (<10% calories from carbohydrates) for at least 12 weeks in adults with type 2 diabetes were eligible. Data extraction Primary outcomes were remission of diabetes (HbA 1c <6.5% or fasting glucose <7.0 mmol/L, with or without the use of diabetes medication), weight loss, HbA 1c , fasting glucose, and adverse events. Secondary outcomes included health related quality of life and biochemical laboratory data. All articles and outcomes were independently screened, extracted, and assessed for risk of bias and GRADE certainty of evidence at six and 12 month follow-up. Risk estimates and 95% confidence intervals were calculated using random effects meta-analysis. Outcomes were assessed according to a priori determined minimal important differences to determine clinical importance, and heterogeneity was investigated on the basis of risk of bias and seven a priori subgroups. Any subgroup effects with a statistically significant test of interaction were subjected to a five point credibility checklist. Results Searches identified 14 759 citations yielding 23 trials (1357 participants), and 40.6% of outcomes were judged to be at low risk of bias. At six months, compared with control diets, LCDs achieved higher rates of diabetes remission (defined as HbA 1c <6.5%) (76/133 (57%) v 41/131 (31%); risk difference 0.32, 95% confidence interval 0.17 to 0.47; 8 studies, n=264, I 2 =58%). Conversely, smaller, non-significant effect sizes occurred when a remission definition of HbA 1c <6.5% without medication was used. Subgroup assessments determined as meeting credibility criteria indicated that remission with LCDs markedly decreased in studies that included patients using insulin. At 12 months, data on remission were sparse, ranging from a small effect to a trivial increased risk of diabetes. Large clinically important improvements were seen in weight loss, triglycerides, and insulin sensitivity at six months, which diminished at 12 months. On the basis of subgroup assessments deemed credible, VLCDs were less effective than less restrictive LCDs for weight loss at six months. However, this effect was explained by diet adherence. That is, among highly adherent patients on VLCDs, a clinically important reduction in weight was seen compared with studies with less adherent patients on VLCDs. Participants experienced no significant difference in quality of life at six months but did experience clinically important, but not statistically significant, worsening of quality of life and low density lipoprotein cholesterol at 12 months. Otherwise, no significant or clinically important between group differences were found in terms of adverse events or blood lipids at six and 12 months. Conclusions On the basis of moderate to low certainty evidence, patients adhering to an LCD for six months may experience remission of diabetes without adverse consequences. Limitations include continued debate around what constitutes remission of diabetes, as well as the efficacy, safety, and dietary satisfaction of longer term LCDs. Systematic review registration PROSPERO CRD42020161795.

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