Status:
COMPLETED
Effects of Bright Light on Co-occurring Cancer-related Symptoms in Breast Cancer Survivors
Lead Sponsor:
Michigan State University
Collaborating Sponsors:
National Institute of Nursing Research (NINR)
Conditions:
Breast Cancer
Eligibility:
FEMALE
21+ years
Phase:
NA
Brief Summary
This study will implement therapeutic bright light that is tailored to the individual's circadian typology and will estimate its effects on circadian rhythms, 4 common cancer-associated symptoms, and ...
Detailed Description
The purpose of this pilot study is to evaluate the feasibility of implementing a home-based, personalized bright light intervention, and to estimate the effects of bright light on 4 common long-term o...
Eligibility Criteria
Inclusion
- Females
- 21 years of age or older 1-3 years post-completion of chemotherapy or/and radiation therapy for stage I-III breast cancer
- Experience ≥ 2 concurrent symptoms (fatigue, sleep disruption, depressive symptoms, and/or cognitive dysfunction as measured by 4 screening instruments)
- Be either phase advanced or delayed (morning or evening types by the Horne-Ostberg Morningness-Eveningness Questionnaire (MEQ) ≥59 or ≤41)
- Sighted
- Mentally competent to consent
- Able to understand English.
Exclusion
- Undergoing cancer treatment for another malignancy
- Have metastatic cancer
- Engaged in shift work or travel across more than three time zones within 2 weeks prior to study
- Current diagnosis of seasonal affective disorder or substance abuse Current diagnosis of major Axis I psychiatric disorders (e.g. depressive disorders), neurological impairments, or muscular dystrophies
- Report severe depressive mood (Center for Epidemiological Studies Depression Scale (CES-D) \>24)
- Take prescribed sedative hypnotics or steroids Have eye conditions (glaucoma or retinal disease), problems triggered by bright light (e.g., migraine), or take photosensitizing medications (e.g., some porphyrin drugs, antipsychotics, antiarrhythmic agents)
Key Trial Info
Start Date :
November 6 2017
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
August 31 2022
Estimated Enrollment :
30 Patients enrolled
Trial Details
Trial ID
NCT03304587
Start Date
November 6 2017
End Date
August 31 2022
Last Update
June 10 2025
Active Locations (1)
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1
Michigan State University
East Lansing, Michigan, United States, 48824