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The Effect of Acute Transcranial Bright Light on Anxiety Symptoms

U

University of Oulu

Status

Completed

Conditions

Anxiety

Treatments

Device: Transcranial bright light device
Device: Transcranial sham device

Study type

Interventional

Funder types

Other
Industry

Identifiers

Details and patient eligibility

About

The purpose of this study is to determine if transcranially administered bright light has acute effect on anxiety symptoms.

Full description

Subjects (n=30) with anxiety symptoms will be recruited into the study. To be included into the study, subjects have to get at least seven points in BAI(Becks Anxiety Inventory). At the beginning of the study subject will be randomly assigned to 12 minutes of acute transcranial bright light or placebo exposure group. Anxiety symptoms will be measured using Spielberger State-Trait Anxiety Inventory (STAI, form Y1)self-rating questionnaire just before and 10 and 110 minutes after the experiment.

Enrollment

60 estimated patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Subject can read and understand the study protocol
  • The written informed consent is obtained from subject
  • Subject's BAI total score >= 7

Exclusion criteria

  • Subject has a lifetime psychotic disorder
  • Subject abuses substance or has a dependence
  • Subject has had suicidal idealization during the past month
  • Subject use psychotropic medications
  • Subject has unstable somatic disease
  • Subject has used bright-light therapy for the current episode
  • Subject is pregnant
  • Subject is a relative of a member of research team
  • Subject has used transcranial light treatment

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

60 participants in 2 patient groups

Transcranial bright light exposure
Experimental group
Description:
Transcranially administered bright light exposure for 12 minutes
Treatment:
Device: Transcranial bright light device
Transcranial sham exposure
Sham Comparator group
Description:
Transcranially administered sham exposure for 12 minutes
Treatment:
Device: Transcranial sham device

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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