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Intragastric injection of botulinum toxin for the treatment of obesity. Where are we?

Intragastric injection of botulinum toxin for the treatment of obesity. Where are we?

作     者:Diego Garcia-Compean Hector Maldonado Garza 

作者机构:Department of Gastroenterology Faculty of Medicine University Hospital. Ave Madero y Gonzalitos Col Mitras Centro Monterrey 64700 Mexico 

出 版 物:《World Journal of Gastroenterology》 (世界胃肠病学杂志(英文版))

年 卷 期:2008年第14卷第12期

页      面:1805-1809页

核心收录:

学科分类:1002[医学-临床医学] 100201[医学-内科学(含:心血管病、血液病、呼吸系病、消化系病、内分泌与代谢病、肾病、风湿病、传染病)] 10[医学] 

主  题:Botulinum toxin Obesity Gastric emptying Gastric motility Gastroparesis 

摘      要:Obesity has reached epidemic proportions particularly in western countries. Most non-surgical treatments of this condition are disappointing. Since 2005, several studies evaluating the effect of Botulinum Toxin type A (BT-A) in gastric antrum by means of endoscopy for the treatment of obesity have been published. This treatment modality was based on the observation that gastric injection of BT-A in laparatomized rats induced a significant reduction of food intake and body weight. Nowadays, 6 studies have been published yielding conflicting results. Differences in selection of patients, doses of BT-A, method of administration of the toxin and instruments of evaluation of some parameters among these studies may be the cause of divergent results. We discuss herein some important features of these studies pointing out on differences among them. At the same time, based on the knowledge of physiological characteristics of normal and abnormal gastric function related with feeding, we discuss the probable causes of failure observed in these trials. Finally, we give some guidelines concerning the way that future research in this field may follow, not without calling attention to disadvantages of this treatment.

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