Status:
COMPLETED
Exercise and Bright Light Treatment: Effects on Body Weight and Composition
Lead Sponsor:
University Health Network, Toronto
Collaborating Sponsors:
The Litebook Company Ltd.
Conditions:
Obesity
Fatigue
Eligibility:
All Genders
18-55 years
Phase:
PHASE2
Brief Summary
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 ...
Detailed Description
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 me...
Eligibility Criteria
Inclusion
- Overweight subjects
- Subjects in otherwise good health
- Subjects willing to participate in a 6-week moderate exercise program
- Bedtime between 10pm and 12am; wake-up time between 6am and 8am
- Score in the median range of the Morningness/ Eveningness Questionnaire (i.e., subjects show no distinct characteristics of phase delay or phase advance)
Exclusion
- Progressive eye disease
- History of cataracts, macular degeneration or have undergone laser corrective eye surgery in the past 30 days.
- Currently taking any medications, e.g. antibiotics, tricyclic antidepressants, that may affect photosensitivity
- History of heart disease
- History of respiratory diseases, such as asthma, emphysema
- Any severe or uncontrolled general medical condition
- Severe psychiatric disorder (as determined by psychiatrist - CMS)
- History of mania
- Grossly obese individuals with morbid obesity
Key Trial Info
Start Date :
September 1 2003
Trial Type :
INTERVENTIONAL
End Date :
December 1 2003
Estimated Enrollment :
24 Patients enrolled
Trial Details
Trial ID
NCT00384345
Start Date
September 1 2003
End Date
December 1 2003
Last Update
October 6 2006
Active Locations (1)
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1
University Health Network
Toronto, Ontario, Canada, M5T 2S8