Early research (Phase 1)Study completedNCT00069459What this trial is testingSeasonal Affective Depression (SAD) StudyWho this might be right forDepressive Disorder GlaxoSmithKline 250
Not applicableStudy completedNCT01462305What this trial is testing30-Minute Light Exposure for the Treatment of Seasonal Affective DisorderWho this might be right forSeasonal Affective Disorder Philips Respironics 35
Not applicableStudy completedNCT03691792What this trial is testingOptimizing Long-Term Outcomes for Winter Depression With CBT-SAD and Light TherapyWho this might be right forSeasonal Affective Disorder University of Vermont 141
Not applicableStudy completedNCT01048294What this trial is testingBlue Enriched Versus Standard Light Treatment for Seasonal Affective Disorder(SAD)Who this might be right forSeasonal Affective Disorder University Medical Center Groningen 52
Not applicableStudy completedNCT00742365What this trial is testingPredicting Effectiveness of Light Treatment for Winter Seasonal Affective DisorderWho this might be right forDepression University of Maryland, Baltimore 41
Not applicableStudy completedNCT01292889What this trial is testingStudy of Genes in Relation to Seasonal Affective Disorder and Major Depressive DisorderWho this might be right forSeasonal Affective Disorder University of Pittsburgh 30
Testing effectiveness (Phase 2)Study completedNCT00016666What this trial is testingClinical Trial of Propranolol for Seasonal Affective DisorderWho this might be right forSeasonal Affective DisorderHealthy National Institute of Mental Health (NIMH) 70
Testing effectiveness (Phase 2)Study completedNCT00269633What this trial is testingResearch Study of Treatment for Winter Depression With Different Colors of LightWho this might be right forSeasonal Affective Disorder Thomas Jefferson University 9
Post-approval studies (Phase 4)Study completedNCT01462058What this trial is testingThe Role of Vitamin D Supplementation on Well Being and Symptoms of Depression During the Winter Season in Health Service StaffWho this might be right forSeasonal Affective DisorderVitamin D3Mental Health+1 more Connie Thuree Nielsen, consultant, MD, ph.d 50
Not applicableStudy completedNCT00006517What this trial is testingClinical Trials of Three Non-Drug Treatments for Winter Depression (SAD)Who this might be right forSeasonal Affective DisorderMood DisordersDepression New York State Psychiatric Institute 150
Large-scale testing (Phase 3)Study completedNCT00046241What this trial is testingPrevention of Seasonal Affective DisorderWho this might be right forSeasonal Affective Disorder GlaxoSmithKline 300
Not applicableStudy completedNCT01714050What this trial is testingCognitive-behavioral Therapy vs. Light Therapy for Preventing SAD RecurrenceWho this might be right forSeasonal Affective Disorder (SAD)Winter DepressionMajor Depressive Disorder, Recurrent, With Seasonal Pattern University of Vermont 177
Large-scale testing (Phase 3)Study completedNCT00809523What this trial is testingA Trial of Negative Ion Generation Versus Light-Emitting Diode Phototherapy for Seasonal Affective Disorder (SAD)Who this might be right forSeasonal Affective Disorder Yale University 106
Not applicableStudy completedNCT04768621What this trial is testingHealth Consequences of Wintering in the French Southern and Antarctic TerritoriesWho this might be right forEnvironmental ExposureWinter DepressionEndocrine System Diseases+2 more Centre Hospitalier Universitaire de la Réunion 232
Not applicableStudy completedNCT07599124What this trial is testingEffectiveness of Light Therapy Across SeasonsWho this might be right forDepressionUnipolar DepressionBipolar Depression Depressed Phase Geestelijke Gezondheidszorg Eindhoven (GGzE) 212