New Haven, Connecticut 06504

  • Seasonal Affective Disorder


This is a randomized, controlled clinical trial of 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.


Inclusion Criteria: - Seasonal Affective Disorder - Age 18 to 65 Exclusion Criteria: - Psychotropic medication treatment - History of light treatment for SAD - History of mania or psychosis



Primary Contact:

Principal Investigator
Paul Desan, MD, PhD
Yale University

Backup Contact:


Location Contact:

New Haven, Connecticut 06504
United States

Paul Desan, MD, PhD
Phone: 203-785-2088

Site Status: Recruiting

Data Source:

Date Processed: September 27, 2021

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