A Trial of Negative Ion Generation Versus Light-Emitting Diode Phototherapy for Seasonal Affective Disorder (SAD)

Completed · Phase 2/Phase 3

Conditions studied: Seasonal Affective Disorder

In brief

This is a randomized, controlled clinical trial of inactivated negative ion generation or light-emitting photodiode therapy for Seasonal Affective Disorder (SAD, winter depression), for subjects with a DSM IV diagnosis of Major Depression, with Seasonal Pattern, Winter type, to examine efficacy of treatments for this condition. The trial has a 1 week baseline phase and a 4 week treatment phase.

Key facts

Study ID

NCT00809523

Run by

Yale University

People needed

106

Starts

2008-12-01

Expected to finish

2010-04-01

Last updated by the study team

2013-03-06

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Seasonal Affective Disorder
• Age 18 to 65

You may not qualify if…

• Psychotropic medication treatment
• History of light treatment for SAD
• History of mania or psychosis

Where it is running

• Yale University School of Medicine — New Haven, Connecticut, United States
• Capital Clinical Research Associates — Rockville, Maryland, United States
• McLean Hospital/Harvard — Belmont, Massachusetts, United States
• University of British Columbia — Vancouver, British Columbia, Canada
• St. John Regional Hospital — Saint John, New Brunswick, Canada
• CAMH/University of Toronto — Toronto, Ontario, Canada
• Sleep and Alertness Inc — Toronto, Ontario, Canada
• University Medical Center Groningen — Groningen, RB, Netherlands

Full record on ClinicalTrials.gov

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