💬In plain words
What the trial is, and whether it could suit you
This study examines the efficacy of bright light therapy as a treatment for adolescents diagnosed with unipolar non-seasonal depression who exhibit an evening chronotype.
Sign in to get the eligibility rules as simple questions to take to your doctor.
📋 Eligibility rules (as published)
Inclusion Criteria:
1. Chinese, aged 12-19 years old;
2. Written informed assent/consent of participation into the study is given by the participant and his/her parent or guardian (for those aged under 18), respectively;
3. Having a DSM-5 diagnosis of unipolar non-seasonal depression as confirmed by the Chinese version of the Kiddie-Schedule for Affective Disorders and Schizophrenia (K-SADS) psychiatric interview, DSM-5 Seasonal specifier, AND having a score on Children's Depression Rating Scale (CDRS-R) at least 40;
4. Being classified as evening chronotype according to the score on the reduced Horne-Östberg Morning-Eveningness Questionnaire (rMEQ), i.e. \<12.
Exclusion Criteria:
1. A current diagnosis of substance abuse or dependence; a current or past history of manic or hypomanic episode, schizophrenia spectrum disorders, organic mental disorders, or intellectual disabilities;
2. Having a clinically significant suicidality (presence of suicidal ideation with a plan or an attempt) as assessed by K-SADS;
3. Having been enrolled in any other clinical trial investigational products within one month at the entry of the study;
4. Initiation of or change in antidepressant medication within past 4 weeks;
5. Having been or is currently receiving any structured psychotherapy;
6. With hearing or speech deficit;
7. Night shift worker;
8. Trans-meridian flight across at least two time zones in the past 3 months and during the study;
9. Presence of an eye disease, e.g., retinal blindness, severe cataract, glaucoma.
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