Adjunctive Bright Light Therapy for Patients With Depression

Status Not yet recruiting

Clinical Trial Summary

The study would enroll depressed adolescents and adults with bipolar I or II disorder or major depressive disorder who are receiving stable psychiatric medication (excluding patients with hypomania or mania, mixed symptoms, or rapid cycling). Participants would be randomly assigned to treatment with either 1,0000-lux bright white light therapy in the morning or 1,0000-lux bright white light therapy in the afternoon, or <100-lux dim red placebo light therapy in the afternoon (N=59 for each group). Participants would be treated for 6 weeks. Symptoms would be assessed every two weeks with the 24-items Hamilton Depression Scale, the Young Mania Rating Scale, and the Pittsburgh Sleep Quality Index; salivary melatonin and cortisol concentrations will be also measured.

Clinical Trial Description

The investigators would divide the participants enrolled into three groups: adjunctive morning bright light therapy (BLT) group (light intensity: 10000lux, color: white light, duration of each intervention session: 30min, time period of intervention: 7:00~9:00 a.m.), adjunctive afternoon BLT group (light intensity: 10000lux, color: white light, duration of each intervention session: 30min, time period of intervention: 12:00~14:00 p.m.), adjunctive placebo therapy group (light intensity: <100lux, color: dark red, duration of each intervention session: 30min, time period of intervention: 12:00~14:00 p.m.). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04633707
Study type	Interventional
Source	Guangzhou Psychiatric Hospital
Contact	Lin Kangguang, MD;PHD
Phone	13560360144
Email	linkangguang@163.com
Status	Not yet recruiting
Phase	N/A
Start date	March 2021
Completion date	July 2022

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