Mixed
Intensive medical management combining a 12-week low-calorie liquid diet, behavioral counseling, and pharmacotherapy enables primary care patients with extreme obesity (BMI 40-60) to achieve clinically significant weight loss (mean 8.3% at 2 years) superior to usual care.
For patients with extreme obesity (BMI 40-60), primary care-based intensive medical management involving a short-term liquid diet, behavioral counseling, and medication can lead to significant weight loss (average 8.3% over 2 years). While about half of patients may drop out, those who remain in the program achieve clinically meaningful benefits, challenging the view that only surgery is effective for this population.
The mean±SEM baseline observation carried forward analysis showed a weight loss of −4.9%±0.8% in IMI and −0.2±0.3% in UCC. Last observation carried forward analysis showed a weight loss of −8.3%±0.79% for IMI, whereas UCC was −0.0%±0.4%.
Why this rating
Randomized controlled pragmatic clinical trial with a large sample size (n=390 analyzed) and long duration (2 years), though retention was moderate.
Source
Nonsurgical Weight Loss for Extreme Obesity in Primary Care Settings
Donna H. Ryan · Archives of Internal Medicine · 2010
DOI 10.1001/archinternmed.2009.508
Related findings · Mixed
- Bariatric surgery (VSG and RYGB) is the most effective and sustainable treatment for obesity, producing marked and sustained weight loss that non-surgical interventions cannot match.Strong
- Severely protein-deficient diets (2–3% energy) induce lean body mass loss and metabolic imbalance, whereas adequate protein intake (0.66 g/kg/d minimum) is a prerequisite for maintaining muscle, bone, and physiological function.Strong
- For patients with Class III obesity (BMI >39.9 kg/m2), metabolic bariatric surgery (MBS) is significantly more effective than any currently approved medication, with BilioPancreatic Diversion (BPD) showing the highest estimated weight loss.Strong
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