Study of Genes in Relation to Seasonal Affective Disorder and Major Depressive Disorder (Season605)

University of Pittsburgh

Status: Completed

Conditions: Seasonal Affective Disorder

Study type: Observational

Funder types: Other

Identifiers

NCT01292889

Seasonality605

Details and patient eligibility

About

The investigators are looking for volunteers who have a history of Major Depressive Disorder, the Winter Blues, or Seasonal Affective Disorder or healthy volunteers who do not have a history of these disorders for a research study on genetics.

Full description

The investigators are looking for volunteers who have a history of Major Depressive Disorder, the Winter Blues, or Seasonal Affective Disorder or healthy volunteers who do not have a history of these disorders for a research study on genetics. Participation involves one 2-3 hour visit involving two diagnostic interviews, DNA collection, and questionnaires.

Enrollment: 30 patients

Sex: All

Ages: 18 to 65 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• SAD or MDD
• healthy control

Exclusion criteria

• drug or alcohol dependence
• Bipolar Disorder

Trial design

30 participants in 4 patient groups

Seasonal Affective Disorder

Description:

Consists of Individuals with Seasonal Affective Disorder

Subsyndromal Seasonal Affective Disorder

Description:

Consists of individuals who do not meet SAD criteria,but present more symptoms for the disorder than do controls.

Major Depressive Disorder

Description:

Consists of individuals who have MDD.

Controls

Description:

Consists of individuals who do not present symptoms of SAD or MDD.