Not applicableStudy completedNCT03739671What this trial is testingVitamin D Supplementation and Effects on Mood in Emergency Medicine ResidentsWho this might be right forSeasonal Mood Disorder Corewell Health South 27
Not applicableUnknownNCT05499117What this trial is testingEfficacy and Safety of Light Therapy in the Treatment of Non-seasonal Depressive Disorder in Chinese PopulationWho this might be right forMajor Depressive Disorder Shanghai Mental Health Center 80
Not applicableStudy completedNCT01149135What this trial is testingLow Intensity 'Blue Light' Treatment of Seasonal Affective DisorderWho this might be right forSeasonal Affective Disorder University Medical Center Groningen 22
Not applicableLooking for participantsNCT05866991What this trial is testingCohort of Patients Suffering From Major Depressive Episode With Evaluation of Sleep, Circadian Rhythms and Psychiatric DisordersWho this might be right forMajor Depressive Episode Assistance Publique - Hôpitaux de Paris 1,000
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
Not applicableUnknownNCT05778721What this trial is testingPsychiatric Co-morbidities and Socio-demographic Characteristics in Patients With Idiopathic HypersomniaWho this might be right forIdiopathic HypersomniaMood DisorderBipolar Disorder University Hospital, Toulouse 150
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
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 completedNCT01318681What this trial is testingRhinitis, Cognition and Driving PerformanceWho this might be right forSeasonal Allergic RhinitisDriving AbilityCognition Maastricht University Medical Center 22
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 completedNCT00139997What this trial is testingEnvironmental Treatment for Seasonal Affective Disorder (SAD)Who this might be right forSeasonal Affective Disorder Yale University 26
Not applicableStudy completedNCT01293409What this trial is testingBright Light Therapy in Seasonal Affective Disorder (SAD)Who this might be right forSeasonal Affective Disorder University of Oulu 90
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 completedNCT00770068What this trial is testingExamining the Link Between Depression and Seasonal AllergiesWho this might be right forDepression University of Maryland, Baltimore 100
Not applicableStudy completedNCT00001485What this trial is testingEffects of Season on Melatonin Secretion in Healthy Men and Women and Patients With Seasonal Affective DisorderWho this might be right forSeasonal Affective Disorder National Institute of Mental Health (NIMH) 116
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
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
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
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 completedNCT00502320What this trial is testingRamelteon in the Treatment of Sleep and Mood in Patients With Seasonal Affective DisorderWho this might be right forSeasonal Affective Disorder Lehigh Valley Hospital 50