Clinical trials: Seasonal Affective Disorder
Seasonal Affective Disorder, Major Depressive Disorder
Investigation of Seasonal Variations of Brain Structure and Connectivity in SAD
Seasonal Affective Disorder (SAD) is a subtype of Major Depressive Disorder, characterized by a recurrent temporal relationship between the season of year, the onset and the remission of a major depressive episode.
- Conditions
- Seasonal Affective Disorder, Major Depressive Disorder, Neuroimaging
- Trial name
- NCT03313674
- Testing
- Bright Light Therapy
- Where
- Canada
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Seasonal Affective Rhinitis, Asthma
Seasonal Allergic Rhinitis Study
The study aims to examine the effect of probiotics on the clinical symptoms of allergic rhinitis and to elucidate some of the immunological mechanisms involved.
- Conditions
- Seasonal Affective Rhinitis, Asthma, Grass Allergy
- Trial name
- SAR (NCT01123252)
- Testing
- Lactobacillus casei Shirota (LcS)
- Where
- 4 sites in United Kingdom
- Volunteers
- 60 people
- Sponsor
- University of East Anglia
Seasonal Affective Disorder
Bright Light Therapy in Seasonal Affective Disorder (SAD)
Bright light therapy (BLT) is widely accepted as first-line treatment of seasonal affective disorder (SAD). However, the mechanism of action of BLT is still widely unknown.
- Trial name
- NCT01293409
- Testing
- Transcranial Brain-Targeted Bright Light Treatment
- Where
- Finland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Oulu
Idiopathic Hypersomnia, Mood Disorder
Psychiatric Co-morbidities and Socio-demographic Characteristics in Patients With Idiopathic Hypersomnia
This is a study of only patients with idiopathic hypersomnia. It is a rare and still poorly understood pathology. In clinical practice, we have found that the treatment and care offered were not always effective.
- Conditions
- Idiopathic Hypersomnia, Mood Disorder, Bipolar Disorder
- Trial name
- HYPERSOMNPSY (NCT05778721)
- Testing
- respond to questionnaires by telephone
- Where
- France
- Volunteers
- 22 people
- Sponsor
- University Hospital, Toulouse
Depression
Treating Seasonal Depression With Daylight
A seasonal pattern in the on- and offset of depressive episodes in recurrent depressive disorder is prevalent at latitudes with large summer-winter differences in daylength.
- Trial name
- DLS (NCT07877402)
- Testing
- Outdoor, Indoor
- Where
- 2 sites in Denmark
- Volunteers
- 150 people
- Sponsor
- Klaus Martiny
Seasonal Affective Disorder
Research Study of Treatment for Winter Depression With Different Colors of Light
The specific aim of this study is to test the hypothesis that light stimuli concentrated around 467 nm will evoke a significantly stronger therapeutic response in SAD patients compared to light stimuli concentrated around 657 nm…
- Trial name
- NCT00269633
- Testing
- Blue Light Box 467 nm, Red Light Box 657 nm
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Thomas Jefferson University
Seasonal Mood Disorder
Vitamin D Supplementation and Effects on Mood in Emergency Medicine Residents
Seasonal mood changes, and even feelings of depression, appear to have an association with decreased amounts of vitamin D in people living in geographic areas where exposure to sunlight during the winter months is relatively low.
- Trial name
- NCT03739671
- Testing
- Vitamin D, No Vitamin D
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Corewell Health South
Seasonal Affective Disorder
A Trial of Negative Ion Generation Versus Light-Emitting Diode Phototherapy for Seasonal Affective Disorder (SAD)
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…
- Trial name
- NCT00809523
- Testing
- Negative Ion Generator, Light-emitting Photodiode light treatment device
- Where
- 8 sites in United States, Canada and 1 more
- Volunteers
- 106 people
- Sponsor
- Yale University
Seasonal Affective Disorder
Effects of Season on Melatonin Secretion in Healthy Men and Women and Patients With Seasonal Affective Disorder
As the seasons change during the course of the year, many animals show major changes in their behavior and physiology. Many of these changes are triggered by changes in the length of time each night that the pineal gland produces…
- Trial name
- NCT00001485
- Where
- United States
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Major Depressive Disorder
Efficacy and Safety of Light Therapy in the Treatment of Non-seasonal Depressive Disorder in Chinese Population
Depression is a kind of mental illness with high incidence, high recurrence and high disability. But so far, treatment remission rates for depression remain low. Therefore, it is necessary to develop more new treatments.
- Trial name
- NCT05499117
- Testing
- Light terapy, pseudo-light therapy
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Shanghai Mental Health Center
Bipolar Depression
Bright Light Therapy in the Treatment of Non-seasonal Bipolar Depression
Bipolar disorder (BD) is a severe brain disorder characterized by the recurrence of mood episodes. Depressive episodes in BD are frequently refractory and clinicians have few treatment options.
- Trial name
- LUBI (NCT03396744)
- Testing
- Light
- Where
- France
- Volunteers
- 45 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Seasonal Affective Disorder, Visual Impairment
Seasonal Affective Disorder and Visual Impairment
As a subtype of major depressive disorder, seasonal affective disorder (SAD) or winter depression causes severe reductions in both quality of life and productivity and results in high morbidity and frequent sick leave (1).
- Trial name
- NCT03403959
- Testing
- light therapy
- Where
- Denmark
- Volunteers
- 18 people
- Sponsor
- Psychiatric Centre Rigshospitalet
Depressive Disorder
Seasonal Affective Depression (SAD) Study
A placebo controlled study evaluating the effectiveness of medication in preventing winter depressive episodes in patients with a history of Seasonal Affective Disorder
- Trial name
- NCT00069459
- Testing
- Extended-release Bupropion Hydrochloride
- Where
- 48 sites in United States
- Volunteers
- 250 people
- Sponsor
- GlaxoSmithKline
Seasonal Affective Disorder
Light-Emitting Diode (LED) Light for Seasonal Affective Disorder (SAD) Treatment
Recurrent fall/winter major depression (known as Seasonal Affective Disorder (SAD)) is a prevalent and disruptive disorder whose pathophysiological basis is unknown, but several hypotheses attribute a causal role to the circadian…
- Trial name
- NCT00114322
- Testing
- light exposure from LED source at narrow 468 nm or broader 400-700 nm wavelength
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Brigham and Women's Hospital
Environmental Exposure, Winter Depression
Health Consequences of Wintering in the French Southern and Antarctic Territories
Polar stays expose people to extreme climate, isolation and confinement. The combination of these factors induces psychological disorders, sleep disorders, immune and endocrine disturbances, and deficiencies.
- Conditions
- Environmental Exposure, Winter Depression, Endocrine System Diseases, Sleep Disorder
- Trial name
- MediTAAF (NCT04768621)
- Testing
- Questionary
- Where
- Reunion
- Volunteers
- 232 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
Major Depressive Episode
Cohort of Patients Suffering From Major Depressive Episode With Evaluation of Sleep, Circadian Rhythms and Psychiatric Disorders
Despite international efforts to identify biomarkers of depression, none has been transferred to clinical practice, neither for diagnosis, evolution, nor therapeutic response.
- Trial name
- SoPsy-SoSad (NCT05866991)
- Where
- France
- Volunteers
- 1,000 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Seasonal Affective Disorder
Optimizing Long-Term Outcomes for Winter Depression With CBT-SAD and Light Therapy
Major depression is a highly prevalent, chronic, and debilitating mental health problem with significant social cost that poses a tremendous economic burden.
- Trial name
- NCT03691792
- Testing
- Cognitive-Behavioral Therapy (CBT-SAD), Light Therapy
- Where
- United States
- Volunteers
- 141 people
- Sponsor
- University of Vermont
Seasonal Affective Disorder (SAD)
Transcranial Bright Light Therapy in Seasonal Affective Disorder (SAD)
Bright light therapy (BLT) has been found to be effective in treatment of seasonal affective disorder (SAD). The mechanism of action of conventional BLT in the treatment of SAD is under debate.
- Trial name
- SAD3 (NCT01784705)
- Testing
- Transcranial bright light therapy
- Where
- Finland
- Volunteers
- 60 people
- Sponsor
- University of Oulu