'anonymous' 'anonymous'
Connexion
M'inscrire

Votre recherche

Filtres

Project précédent
Projet suivant
Nous verifions auprès de chaque centre si des nouvelles informations sont disponibles

2020.676T

Adjunctive bright light therapy in patients with bipolar depression and eveningness
Source : Importé depuis le centre

Référence clinicaltrials.gov: NCT05357313
Bipolar depression
Eveningness
Bright light therapy
Source :Importé depuis le centre
Bipolar Depression
Recrutement fermé
Dernière modification : 2026/03/04
Type de recherche

Interventionnel


Population cible

Condition médicale (spécialité visée)

Choix aire thérapeutique

Bipolar Depression

Source : Importé depuis le centre

Profil des participants

Limites d'âge
minimum : 18 ans maximum : 65 ans
Sexe(s) des participants

ALL

Source : Importé depuis le centre

Critères de sélection

Critères d'inclusion

Inclusion Criteria:

1. Aged 18-65 years.
2. Is capable to give informed consent.
3. Meeting the diagnostic criteria of bipolar depression (including both bipolar I and II disorders) by the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-V), Disorders (SCID-V).
4. a score 20 or above representing current moderate or severe episode of major depression and a score of at least 1 on items H1 or H2 on the Structured Interview Guide for the Hamilton Depression Rating Scale with Atypical Depression Supplement (SIGH-ADS), corresponding to at least moderate severity.
5. A score of 41 or less by the Morningness-Eveningness Questionnaire which represents eveningness.
6. On a stable dose of antimanic treatment for bipolar disorder for at least four weeks.

Exclusion Criteria:

1. Major Depressive Disorder fulfilling the Seasonal Pattern Specifier of the DSM-V (Seasonal Affective Disorder).
2. A past history of rapid-cycling within the past twelve months or a Young Mania Rating Scale more than 12 at screening
3. A current or past history of schizophrenia, mental retardation, organic mental disorder; or current substance use disorder.
4. Presence of psychotic symptoms or substantial suicidal risk as judged by the clinician and/or screening instruments.
5. Presence of contraindications to bright light therapy: for example, history of light induced migraine/ epilepsy; current use of photosensitizing medications such as St. John's wart; presence of eye disease: e.g. retinal blindness, severe cataract, glaucoma, and photosensitive skin condition e.g. systemic lupus erythematosus
6. Significant medical condition/ hearing impairment/ speech deficit leading to incapability of completing clinical interview.
7. Regular shift-workers or trans-meridian flight in the past 3 months or during study
8. Enrolment in another clinical trial of an investigational medicinal product or device.
9. Receiving regular psychotherapy.

Source : Importé depuis le centre

Thérapie ou Intervention proposée

Cohortes
Nom Condition médicale Traitement État du recrutement
Bright light therapy group 10,000lux bright light Donnée non disponible
  • Inconnu
  • Placebo group inactive negative ion generator Donnée non disponible
  • Inconnu
  • Bright light therapy group
    État du recrutement
    unknown
    Placebo group
    État du recrutement
    unknown
    Données à jour depuis : 4 mars 2026

    Description de l'étude

    Résumé de l'étude

    This is a randomized placebo-controlled trial to examine the efficacy of six-week bright light therapy as adjunctive treatment for patient with bipolar depression and eveningness.

    Source : Importé depuis le centre

    This randomized placebo-controlled trial aims to evaluate the efficacy of adjunctive BLT in addition to their maintenance treatment in reducing depressive symptoms. The second aim of the study is to explore the effects of BLT on sleep-wake changes and the sleep disturbances.

    Method: Each eligible participant will be randomized to either i) bright light therapy (BLT) or ii) inactive negative ion generator (placebo) treatment for 30-minutes daily at the midday for a total of six weeks. Participants will be evaluated at baseline, 2nd, 4th and 6th week for depression and insomnia symptoms. Actigraphy will be done at baseline and in the last week of treatment.

    Source : Importé depuis le centre

    Sites

    Centres participants

      1 centres
    • THE CHINESE UNIVERSITY OF HONG KONG

      Hong kong

      HONG KONG

      Recrutement local
      État du recrutement: FERMÉ

    Dernière modification : 4 mars 2026
    Données à jour depuis : 6 mars
    Origine des données : clinicaltrials.gov
    Référence clinicaltrials.gov: NCT05357313