Reducing Cancer Side-effects With Systematic Light Exposure

Status Recruiting

Clinical Trial Summary

The main purpose of this interdisciplinary proposal is to conduct two randomized controlled trial (RCT) of the efficacy of self-administered systematic light exposure (Bright White Light (BWL)), an innovative, low cost, and low burden intervention to treat cancer-related fatigue. Another common and often overlapping treatment side-effect is cognitive impairment. A secondary outcome of the proposed RCT is, thus, cognitive functioning. Finally, possible underlying chronobiological (circadian activity rhythms, sleep), biological (pro inflammatory markers), and neurophysiological (brain morphology) mechanisms of BWL will be explored.

Clinical Trial Description

Two independent but similar RCTs with a total of 144 breast cancer patients (Group 1 = 72 high risk patients; Group 2 = 72 low risk breast cancer patients) post-treatment screened for fatigue will be randomized to BWL (36 in each of the two groups) or dim light(DL) (36 in each of the two groups) exposure for 30 minutes/morning for 4 weeks, and assessed before, during, immediately and 3 months after the intervention. Measures include questionnaires, cognitive assessment, actigraphy, blood samples, saliva samples, and magnetic resonance imaging (MRI). 1.1 Aims and hypotheses. Aim 1: To test the efficacy of BWL on fatigue (primary outcome) in breast cancer patients. Hypothesis 1: Compared with control participants exposed to DL, participants randomized to BWL will report less fatigue immediately and 3 months after the intervention. Aim 2: To test the efficacy of BWL on cognitive functioning (secondary outcome). Hypothesis 2: Compared with controls, BWL recipients will show improved cognitive functioning immediately and 3 months after the intervention. Aim 3: To explore the effects of BWL on chronobiological, biological, and neurophysiological markers. Hypothesis 3: BWL will be associated with normalized circadian activity rhythms (3a); improved sleep (3b); decreased inflammation (3c); increased cortical and subcortical grey matter density (3d); and increased cortical and subcortical white matter integrity (3e). If hypotheses 1 and/or 2 are confirmed, the mediating effects of the markers will be explored. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02661308
Study type	Interventional
Source	Aarhus University Hospital
Contact	Ali Amidi, Ph.D.
Phone	+4587165305
Email	ali@psy.au.dk
Status	Recruiting
Phase	N/A
Start date	March 2016
Completion date	December 2021

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Reducing Cancer Side-effects With Systematic Light Exposure — LYS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms