Bulimia Nervosa Clinical Trial
Official title:
Treatment of Eating Disorders - a Randomised, Controlled, Prospective Study
"Eating disorders" includes anorexia nervosa, bulimia nervosa, binge eating and other
specified feeding or eating disorder (OSFED). Common to all is the intensively occupation to
control food intake, body image and body weight. Most people with this kind of disorder don't
reach for professional help, or there may be more than 4 years before they do. Cognitive
behavior therapy is the foremost method of treatment of eating disorders, but up to 30-50% of
the patients don't respond to this. The investigators find it important to identify science
based alternatives of therapy, as this may reduce the health concern, and broaden the choice
of therapy methods. A former study by Sundgot-Borgen et al in 2002, found guided physical
activity to reduce symptoms of bulimia nervosa just as good as the traditional cognitive
therapy.
The primary objective of the project is to see whether the combination of physical exercise
and dietary therapy is more effective in treating eating disorders, than cognitive therapy.
Secondly, the investigators want to see whether there are any differences with regard to the
individual satisfaction of treatment method, and to associated costs. Interviews with a
sufficient number of participants from the PED-t arm to meet data saturation criteria, and
all theraphists in the new treatment offer, will give uniqe insight to experiences with the
treatment method and the delivery of treatment.
Subjects are recruited through primary doctors, social media and newspapers, and will be
included continuously by screening interviews. There will be a randomization into two
treatment groups (cognitive behavior, or physical activity and nutrition education) to be
followed for 16 weeks. Each week includes one meeting of group therapy (90 minutes) and
homework related to treatment, and for 4 weeks midway there will be two therapy meetings pr
week (a total of 20 meetings). Post tests are planned at week 17, and at 6, 12, and 24 months
after treatment.
Participants reqruited during ongoing treatment groups are placed on a waitlist, serving as
controls to the treatment groups.
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