This research study is testing whether changes in sleep timing and morning light therapy may have an impact on symptoms related to fibromyalgia.
This study will test a consumer health light therapy device (Re-Timer)
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
SINGLE
Enrollment
390
Participants will self-administer the daily light therapy within a few minutes of their assigned wake up time for one hour. Researchers will provide a light log to note light on/off times, any interruptions to light therapy, and primary activity during light therapy.
All participants will be asked to follow a fixed sleep schedule.
University of Michigan
Ann Arbor, Michigan, United States
RECRUITINGChange in Fibromyalgia Impact Questionnaire-Revised (FIQR) score
The FIQR is 21 questions. Each question has 11 boxes similar to a visual analog scale. Questions include the difficulty associated with various physical activities and the severity of symptoms. The score for the questions is on a scale from 0 - 100, where lower scores represented better functional status.
Time frame: baseline (Visit 3, day 8) to post-treatment (Visit 7, approximately day 36).
Change in Brief Pain Inventory (BPI) score
The BPI consists of 11 questions and assesses for the presence of pain, pain intensity (i.e., worst, least, average, current) and functional interference from pain. A higher score indicates more pain.
Time frame: baseline (Visit 3, day 8) to post-treatment (Visit 7, approximately day 36).
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