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Acomplia (Rimonabant) and Weight Loss
Rimonabant, a new weight loss drug marketed under
the name Acomplia, by Sanofi Aventis, has recently been
approved by the EU. Clinical trials have found that Rimonabant
can help overweight and obese people to lose weight. It was also
found that the drug could reduce the risk of cardiovascular heart
disease and diabetes, and be of help to people who are trying
to stop smoking.
Rimonabant targets an area in the brain called the Endocannabinoid
System. It blocks the receptors in this area, meaning that Cannabinoids
(chemical compounds containing hungry messages) cannot
reach the system. This lowers the intake of food, resulting in
weight loss.
The Endocannabinoid system affects the regulation of energy use,
the breaking down of sugars, lipids and of the regulation of body
weight and metabolism.
Rimonabant targets visceral fat, a layer of fat which forms around
internal organs. Reducing this layer of fat has been found to
stem the production of harmful substances (such as cholesterol),
which prevent the body responding to insulin. This effectively
means that Rimonabant can lower the risk of diabetes and cardiovascular
heart disease.
In the study, more than 1,500 obese people were given a calorie-controlled
diet, together with either 5mg or 20mg of rimonabant each day
or a dummy drug. After one year, two thirds of the participants
taking the largest dose had lost at least 5 percent of their weight.
Better still, of these, 39 percent lost more than 10 percent.
Meanwhile, patients on the 20mg dose lost on average, 4cm from
their waist and risk factors for heart disease including raised
cholesterol, insulin resistance and the presence of metabolic
syndrome improved.
External Links:
Rimonabant
Could be 'Miracle' Weight Loss Pill: NPR's Patricia Neighmond
reports on a new "miracle pill" that helps obese people
lose weight and keep it off.
Rimonabant
produces sustained weight loss long term: Use of the weight-loss
medication rimonabant produced modest yet sustained weight loss
after 2 years, and improved HDL cholesterol and triglyceride levels,
according to a study in the February 15 issue of JAMA: The Journal
of the American Medical Association.
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