Bright Light Therapy in Seasonal Affective Disorder (SAD) (VAHAVA)

University of Oulu

Status

Unknown

Conditions

Seasonal Affective Disorder

Treatments

Other: Bright light therapy

Other: Inactive "placebo-light"

Study type

Interventional

Funder types

Other

Industry

Identifiers

NCT01030276

FI (FWA00000190) 11/2008

Details and patient eligibility

About

The aim of this study is to investigate the efficacy of bright light therapy in SAD. This is a placebo-controlled, double-blind randomized controlled trial (RCT).

Enrollment

60 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

a patient has, according to the DSM-IV-TR, a Major depression, recurrent episode, seasonal pattern, "moderate" or "severe" (classification code 296.32 and 296.33)
HAMD-21 (included in the SIGH-SAD) sum score is ≥ 22
patient is over 18 years
patient can read and understand the subject information sheet
patient has signed the informed consent form
patient is not pregnant

Exclusion criteria

patient has a lifetime psychotic disorder
patient has a DSM-IV Axis I disorder other than some anxiety disorder evaluated by MINI
patient has some DSM-IV-TR Axis II disorder, which is likely to interfere with the study treatment according to the investigator
patient has alcohol or some other substance use dependence or misuse
life-time suicide attempt, or any thought of suicide during the last month
patients has some unstable somatic disorder
patient uses some medication on regular basis
patient uses some herbal psychotropic agencies
patient is, in the opinion of the investigator, unsuitable for any reason
patient is a member of the site personnel or their immediate families
patient has had bright light therapy during the current episode
patient has some eye disease (patient can, however, be myopic or hyperopic)