Intragastric injection of botulinum toxin A for the treatment of obesity.

Abstract:

BACKGROUND:Botulinum toxin A (BTX-A) is a powerful and long-acting inhibitor of muscular contractions in both striated and smooth muscles. Hypothetically, BTX-A should inhibit the acetylcholine-mediated peristalsis, which is mainly responsible for gastric motility, and thereby induce slowed gastric emptying, earlier satiety and weight loss. The aim of this study was to observe the effects of endoscopic intragastric injections of BTX-A in obese patients. METHODS:After approval by the University Ethics Committee, 10 female patients with class I obesity (body mass index 30-35) were double-blind randomized into 2 groups (BTX-A and 0.9% Saline). In Group 1, 200 U BTX-A were injected endoscopically into the antrum and the distal gastric body. In Group 2, 0.9% saline was injected endoscopically into the antrum and the distal gastric body. Body weight and feeling of satiety were recorded monthly over a period of 6 months. RESULTS:Both groups (BTX-A and 0.9% Saline) showed no significant weight reduction (P>0.05). One patient in Group 1 and two patients in Group 2 reported a feeling of early satiety. No adverse effects related to BTX-A or complications resulting from the endoscopic procedure were observed. CONCLUSION:Intragastric injection of BTX-A for the treatment of obesity does not seem to reduce body weight.

journal_name

Obes Surg

journal_title

Obesity surgery

authors

Mittermair R,Keller C,Geibel J

doi

10.1007/s11695-007-9135-x

subject

Has Abstract

pub_date

2007-06-01 00:00:00

pages

732-6

issue

6

eissn

0960-8923

issn

1708-0428

journal_volume

17

pub_type

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