Randomized and controlled study of the effects of low intensity monochromatic 'blue light' compared to the standard light treatment of seasonal complaints (winter depression and winterblues)

Phase 4

Completed

• Conditions: seasonal affective disorder (winter type); winterblues; 10027946

• Registration Number: NL-OMON34402
• Lead Sponsor: Philips Consumer Lifestyle/ S. Hermans

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 11 June 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 100

Inclusion Criteria

- age between 18-65 yr
- no other treatments for seasonal complaints during the same time
- no traveling to southern counties during study period
- no use of tanning fixtures during study period
- informed consent;1. seasonal affective disorder (SAD), winter type, according to DSM-IV
score of at least 18 on the first 24 items of the SIGH-SAD
2. sub-syndromal seasonal affective disorder (sub-SAD, winterblues) acording to the Kasper
et al. (1988) criteria:
- SPAQ-GSS score of 8,9 or 10 and at least light seasonal complaints or
- SPAQ-GSS score of 11
score of 12-17 on the first 24 items of the SIGH-SAD

Exclusion Criteria

other Axis -I disorders according to DSM-IV
acute suicidal risk
use of pschopharmaca or photosensitsizing drugs
eye diseases or complaints exept aging
diabetes
epilepsy
night shifts

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Sores on the SIGH-SAD interviews</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>none</p><br>