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Sponsors and Collaborators: |
University Health Network, Toronto The Litebook Company Ltd |
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Information provided by: | University Health Network, Toronto |
ClinicalTrials.gov Identifier: | NCT00384345 |
Bright light therapy has been used to safely and effectively treat conditions such as Seasonal Affective Disorder and to regularize sleep in patients with circadian rhythm disorder. Based on evidence of the link between bright light, serotonin, mood and carbohydrate metabolism, it has been suggested that bright light therapy can improve weight loss but the literature on the subject is sparse. Further, the literature suggests that apart from any changes in mood and carbohydrate metabolism, bright light may reduce the unpleasant side-effects of exercise and increase compliance to an exercise program.
Condition | Intervention | Phase |
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Obesity Fatigue |
Device: Bright Light Therapy Behavioral: Exercise |
Phase II |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Double-Blind, Placebo Control, Parallel Assignment, Safety Study |
Official Title: | Moderate Exercise and Bright Light Treatment in Overweight Individuals |
Estimated Enrollment: | 24 |
Study Start Date: | September 2003 |
Estimated Study Completion Date: | December 2003 |
Objective: Increased physical activity is important given the concern over the growing rates of obesity. Bright light therapy has the potential to enhancing serotonin levels, impact on carbohydrate metabolism and reducing soreness and hyperthermia associated with physical activity. The aim of this study is to conduct a controlled investigation of the effects of bright light therapy and exercise on weight loss and body composition in overweight individuals. Research Methods and Procedures: Twenty-five overweight male and female subjects will be assigned to 6 weeks of moderate exercise with or without bright light treatment. Outcome measure included changes in body mass and body composition and ratings of mood, seasonality and sleep.
Ages Eligible for Study: | 18 Years to 55 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Exclusion Criteria:
Canada, Ontario | |
University Health Network | |
Toronto, Ontario, Canada, M5T 2S8 |
Principal Investigator: | Colin M. Shapiro, MBBCh, PhD | University Health Network, Toronto |
Study ID Numbers: | 03-0184-BE |
Study First Received: | October 4, 2006 |
Last Updated: | October 4, 2006 |
ClinicalTrials.gov Identifier: | NCT00384345 History of Changes |
Health Authority: | Canada: Health Canada |
bright light treatment exercise body fat index |
mood sleep fatigue |
Body Weight Signs and Symptoms Obesity Fatigue |
Nutrition Disorders Overnutrition Overweight |
Body Weight Signs and Symptoms Obesity Fatigue |
Nutrition Disorders Overweight Overnutrition |