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Portion-control dishes helped people with diabetes lose weight
Last Updated: Monday, June 25, 2007 | 4:29 PM ET
CBC News


Eating from plates and cereal bowls marked to show portion sizes helped
people with diabetes to shed pounds comparable to the results of weight
loss drugs, researchers in Alberta found.

As well, more people who used the portion control plates   26 per cent
 were also able to decrease their use of diabetes medications after six
months, compared with almost 11 per cent of those who did not receive
the special tableware.

For the study, Dr. Sue Pedersen of the University of Calgary and her
colleagues followed 130 obese people with Type 2 diabetes for six
months, including 55 who were taking insulin.

"We know that portion sizes have grown by two to five times what they
were 20 years ago, and portion sizes that are available to us now far
exceed what an actual recommended portion size is," Pedersen told CBC
News.

"This tool is a simple way to bring portion sizes back to what they are
actually meant to be, and by virtue of that, losing weight."

After six months, people using the portion-control dishes lost an
average of 1.8 per cent of their body weight, compared with 0.1 per cent
for those who did not use the dishes.
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Among those using the special dishes, nearly 17 per cent lost at least
five per cent of their weight   a clinically significant amount in terms
of reducing deaths and disease associated with obesity-related disorders
such as a cancer and heart attack, the researchers said.

"In conclusion, the portion control tool studied in this trial was
effective in inducing weight loss in obese persons with Type 2 diabetes
mellitus comparable to that seen in investigations of weight loss
pharmacotherapy," the study's authors wrote.

"This intervention holds promise for use in overweight populations with
and without diabetes mellitus."
Price of dishes far less than cost of medication

Achieving weight loss and reducing the need for medication reduces the
potential for side-effects, the researchers noted.

The one-time cost of the dishes was about one-sixth that of a six month
supply for sibutramine or Meridia, a prescription medication that
suppresses appetite, and one-fourth the cost of a six-month supply of
orlistat or Xenical, which prevent fat absorption.

The British manufacturer of the Diet Plate donated the plates and bowls
used in the study but did not fund the study. The dishes are divided
into sections for carbohydrates, proteins, cheese and sauce, with the
rest left for vegetables.

The plates are designed to allow about 800-calorie meals for men and 650
calories for women, while the bowl is meant for dining on 200 calories
of cereal and milk. They are available for sale online, Pedersen said.