‘Imaginary meal’ pill makes you feel full and burns fat

Photo: Paul Grover

By Agency
The Telegraph

An “imaginary meal” pill is the latest weapon developed by scientists to fight obesity.

The pill tricks the body into thinking it has consumed a large amount of calories – as if you have just eaten a substantial meal.

In early tests on mice it effectively halted weight gain, lowered cholesterol, controlled blood sugar, and reduced levels of unhealthy white fat.

US lead scientist Dr Ronald Evans, director of the Salk Institute’s Gene Expression Laboratory in La Jolla, California, said: “This pill is like an imaginary meal. It sends out the same signals that normally happen when you eat a lot of food, so the body starts clearing out space to store it. But there are no calories and no change in appetite.”

The drug, fexaramine, activates a protein called the farensoid X receptor (FXR) that plays a role in how the body releases bile acids from the liver, digests food and stores fats and sugars.

At the start of a meal, FXR prepares for an influx of food, not only triggering bile acid release but also altering blood sugar levels and instigating the burning of some fats.

Other drugs have been developed that act on FXR pathways, but they affect several organs and have unwanted side effects. An important feature of fexaramine is that it only functions in the gut and does not dissolve into the blood like appetite suppressants or caffeine-based diet drugs.

Since it does not reach the bloodstream it is likely to be safer than other FXR-targeting drugs, say the researchers who are working to set up clinical trials that will test fexaramine’s effectiveness in human patients.

Obese mice given a daily dose of the drug for five weeks stopped gaining weight, lost fat, and had lower blood sugar and cholesterol levels than untreated mice.

They also experienced a rise in body temperature, a sign that their metabolism was ramping up. Some of the deposits of white fat in their bodies were converted into the healthier form of calorie-burning “brown” fat.

The drug even affected bacteria in the guts of the mice, although what these changes mean is not yet clear.

Dr Evans compared fexaramine’s effect in the intestine to the start of a relay race.

“The body’s response to a meal is like a relay race, and if you tell all the runners to go at the same time, you’ll never pass the baton,” he said. “We’ve learned how to trigger the first runner so that the rest of the events happen in a natural order.”

Ideally the drug, would work in conjunction with diet and lifestyle changes to combat obesity, said the scientists, whose research is reported in the journal Nature Medicine.

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After years of research and a series of unpleasant experiences concerning the current child protection services system, Alec Cope decided to combat the cancerous corruption through information. Freelance writing articles as a form of protest and distributing them throughout his former high-school and local area, Alec struck special chords with whomever he was in contact with.

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