Clinical Trial: Bright Light Therapy in Seasonal Affective Disorder (SAD)

Study Status: Completed
Recruit Status: Unknown status
Study Type: Interventional

Official Title: Transcranial Brain-Targeted Bright Light Treatment Via Ear Canals in Seasonal Affective Disorder (SAD) - a Randomized Placebo Controlled Dose Finding Study

Brief Summary: The aim of this study is to investigate the efficacy of bright light therapy in SAD. This is a placebo-controlled, double-blind randomized controlled trial (RCT).

Detailed Summary:
Sponsor: University of Oulu

Current Primary Outcome: Remission as defined by the SIGH-SAD [ Time Frame: 28 (visit window from 26 to 30 days) days after the inclusion day ]

Original Primary Outcome: Same as current

Current Secondary Outcome: Decrease of the severity of symptoms as assessed by SIGH-SAD, Hamilton anxiety scale, and Beck depression inventory-21 [ Time Frame: 28 (visit window from 26 to 30 days) days ]

Original Secondary Outcome: Same as current

Information By: University of Oulu

Dates:
Date Received: January 21, 2011
Date Started: November 2010
Date Completion: April 2011
Last Updated: December 10, 2009
Last Verified: December 2009