Clinical trials: Seasonal Affective Disorder (SAD)
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)
Seasonal Affective Disorder, Vitamin D3
The Role of Vitamin D Supplementation on Well Being and Symptoms of Depression During the Winter Season in Health Service Staff
The purpose of this study is to investigate whether vitamin D3 (70 micrograms) is better than placebo in preventing depression symptoms among employees in health care
- Conditions
- Seasonal Affective Disorder, Vitamin D3, Mental Health, Dietary Supplement
- Trial name
- D3-vit-SAD (NCT01462058)
- Testing
- Vitamin D3
- Where
- Denmark
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Connie Thuree Nielsen, consultant, MD, ph.d
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 Disorder, Healthy
Clinical Trial of Propranolol for Seasonal Affective Disorder
The purpose of this study is to determine what dose of a new timed-release tablet of the drug propranolol will reduce secretion of the hormone melatonin in healthy volunteers.
- Trial name
- NCT00016666
- Testing
- Propranolol
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
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