Pilot study of the feasibility of research on the application of bright light as a means of restoring the sleep-wake rhythm in patients with schizophrenia admitted to the locked ward, and by that means alleviating their psychotic symptoms.

Pilot study of the feasibility of research on the application of bright light as a means of restoring the sleep-wake rhythm in patients with schizophrenia admitted to the locked ward, and by that means alleviating their psychotic symptoms. - Light Therapy in Schizophrenia

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

NL-OMON

Registry ID

NL-OMON33052

Enrollment

Registered

2009-09-04

Start date

2009-09-10

Completion date

Unknown

Last updated

2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

disturbed circadian rhythm in schizophrenia

Interventions

Intervention: The intervention group will receive treatment as usual plus daily exposure to bright white light (5.000 lux) for the duration of 5 days, in the morning between 8 and 9 o*clock, for hal

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: - All patients diagnosed with schizophrenia or schizoaffective disorder by a psychiatrist according to the DSM-IV TR classification. - Patients who are admitted to the clinical institution KCVG. - Patients for whom informed consent and informed consent by proxy has been given.

Exclusion criteria

Exclusion criteria: - Patients with diagnosis of bipolar disorder. - Patients with a current manic episode measured with the Young Mania Rating Scale. - Patients with contra-indications for light therapy after eye examination, such as glaucoma, retinopathy or cataracts. - Patients with epilepsy in history or at present

Design outcomes

Primary

Measure	Time frame
The main study parameter is the change from baseline to endpoint in level of psychosis measured with the PANSS.	—

Secondary

Measure	Time frame
The secondary study parameter is the change in the sleep-wake rhythm and activities measured with a sleep log and a social rhythm therapy scheme.	—

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)