Bright light therapy and/or imipramine for inpatients with recurrent non-seasonal depression.

Patients in all treatment groups showed significant improvement in depressive symptoms.

• Bright light therapy combined with a placebo resulted in greater improvement compared to the other two treatment groups, though not significantly.
• Imipramine, an antidepressant, was administered in one treatment group alongside bright light therapy.
• All treatment groups included a bright light therapy option, administered at 5000 lux from 6-8 a.m.
• Dim red light therapy was used in the control group at a lower intensity of 500 lux.
• The effectiveness of bright light therapy for non-seasonal major depressive disorder was suggested by the study findings.

AI simplified