Mixed
A structured, interdisciplinary 52-week non-surgical obesity program utilizing a 12-week low-calorie diet (800 kcal/day) followed by maintenance phases significantly reduces body weight, waist circumference, and the prevalence of metabolic syndrome and hypertension in adults with obesity grades I-III.
For individuals with obesity (BMI ≥30), a medically supervised program combining a 12-week very low-calorie diet (800 kcal/day) with structured behavioral counseling and exercise can lead to significant, sustained weight loss (approx. 14-19 kg) and improvement in metabolic health markers like blood pressure and metabolic syndrome. Success requires commitment to a structured, multi-phase program lasting one year, not just short-term dieting.
The present non-surgical intervention program is a highly effective treatment of obesity grades I–III and obesity-related diseases... Overall, the intervention resulted in mean reduction in WC of 11 cm; it reduced the prevalence of the metabolic syndrome by 50% and the frequency of hypertension from 47 to 29% of all participants
Why this rating
Large prospective multicenter observational study (n=8296) with long-term follow-up, though lacking a randomized control group.
Source
Multicenter evaluation of an interdisciplinary 52-week weight loss program for obesity with regard to body weight, comorbidities and quality of life—a prospective study
Stephan C. Bischoff et al. · International Journal of Obesity · 2011
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