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  • Title: [Weight loss via drug therapy].
    Author: Wirth A.
    Journal: Internist (Berl); 2003 Mar; 44(3):359-62, 363-6. PubMed ID: 12731423.
    Abstract:
    Obesity and its associated diseases are an increasing challenge in medicine. A change in lifestyle is usually the first step with modifications in nutrition, physical activity and behavior. However, most of obese patients are not able to follow such a treatment regimen for a longer period of time. If they do not lose > 5% of initial weight within 3-6 months, pharmacological intervention should be taken into account. Orlistat, a gastro-intestinal lipase inhibitor, enhances fat excretion thereby reducing energy uptake and body fat. Studies up to 4 years document a net weight loss of 3-5 kg, all cardiovascular risk factors are reduced. Sibutramine, a serotonin- and noradrenalin reuptake inhibitor, promotes satiety and stimulates energy expenditure. Within one year a net weight reduction of 4-6 kg is achieved and morbidity as well as quality of life are improved. For both drugs no end-point outcomes are available so far. The anti-obesity drugs orlistat and sibutramine are useful tools for overweight and obese patients as an adjunct to lifestyle changes. Under the supervision of experienced physicians the combined treatment consisting of non-pharmacological and pharmacological methods reduces body weight in more than half of the patients and improves morbidity and quality of life.
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