Weight Maintenance Trial
The National Heart, Lung, and Blood Institute
(NHLBI) launched a major study that could help solve one of the hardest
aspects of weight loss - maintaining weight loss. The study, called the
"Weight Loss Maintenance Trial," will be done in two phases
at four clinical sites.
Weight Loss Maintenance Trial Method
The study will include 1,600 men and women in its first phase, and 800
in its second. Phase I is a 5-month weight loss program; phase II will
try to help those who lose 9 or more pounds in phase I keep the weight
off for 2½ years. The study has begun seeking participants, who
must be overweight or obese, age 25 or older, and taking medication to
control high blood pressure and/or high blood cholesterol. About 60 percent
will be women and 40 percent will be African American.
Weight Loss Maintenance Trial Phase
I
In the study's first phase, participants will receive counseling to help
them make lifestyle changes to reduce their weight. These lifestyle changes
will include reducing calories and increasing physical activity. Participants
will be encouraged to follow the DASH eating plan, which has been shown
to reduce blood pressure and cholesterol. DASH is high in fiber and low
in saturated fat, cholesterol, and total fat, and emphasizes fruits, vegetables,
and lowfat dairy foods. Phase I participants will keep food and fitness
diaries to monitor their diet and physical activity. Those who lose 9
or more pounds of weight after 5 months will be eligible to enroll in
phase II.
For concluding page, see Weight
Loss Maintenance Trial Phase II
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