Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
252 participants
INTERVENTIONAL
2025-06-13
2029-07-31
Brief Summary
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Detailed Description
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There are two possible devices that are being compared in this study.
* If the participants are in the Morning Bright Light exposure group, the participants will use the Re-timer®, a wearable bright light exposure device. This device is commercially available and in use by the general population. This device meets international ultraviolet and blue light hazard safety standards. The light intensities used in this study are greater than most indoor light, but much dimmer than sunlight on a bright day.
* If the participants are in the Negative Ionizer exposure group, the participants will use the IonPacific,"ionMi,"a wearable negative ionizer. This device is also commercially available and in use by the general population.
There have been reports of improved sleep and daytime symptoms associated with poor sleep for both Morning Bright Light and Negative Ionizer exposures. The use of Re-timer and IonMi in this research study is investigational. The word "investigational" means that the Re-timer and IonMi are not approved for marketing by the Food and Drug Administration (FDA).
Participation includes:
A virtual and in person screening and training visit 4, 1-hour long telehealth sessions scheduled each week before surgery 2, 30-minute telehealth sessions, 2-weeks after surgery and 3-months after surgery
This study will be using "blinding" which means only a few members of the study team will know what group / sleep program the participants have been assigned to until the study ends. In case of an emergency, the study doctor can quickly find out which sleep health program the participants have been assigned to receive.
During parts of the study, the device the participants are using may be deactivated in order to test the effects of an active study device compared to a deactivated device. At the end of the study, the team can provide information about the timing of device deactivation.
The participants will not be asked to change the clinical care currently being received for knee osteoarthritis.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Cognitive Behavioral Therapy + Morning Bright Light exposure
Cognitive-Behavioral Therapy for Insomnia. This program will focus on changing the participant's sleep patterns, activities, and habits.
Morning Bright Light involves wearing glasses (Re-Timer Device) that give off a special type of bright light for one full hour in the morning. The participant will be asked to wear these glasses every morning for about four weeks before surgery, four weeks after surgery and again for 1-week , 3-months after surgery. The participant will fill out a log to note light on/off times, any interruptions to light treatment, and primary activity while receiving the light exposure. The participant will also receive daily reminders to charge the device and turn it on during the scheduled time.
Cognitive-Behavioral Therapy for Insomnia
This program will focus on changing the participant's sleep patterns, activities, and habits.
Bright Light therapy via the Re-Timer®
Subjects will conduct light treatment in the mornings at home for one hour using Re-timer® The participant will be asked to wear the device every morning for about four weeks before surgery, four weeks after surgery and again for 1-week, 3-months after surgery
Cognitive Behavioral Therapy for Insomnia + Negative Ion exposure
Cognitive-Behavioral Therapy for Insomnia. This program will focus on changing the participant's sleep patterns, activities, and habits.
Negative Ion exposure. This procedure involves wearing a light weight negative ionizer (IonMi Device) around the neck for one hour in the morning. An ionizer gives off special negatively charged ions into the air. the participant will be asked to wear the device every morning for about four weeks before surgery, four weeks after surgery and again for 1-week, 3-months after surgery The participant will also receive daily reminders to charge the device and turn it on during the scheduled time.
Cognitive-Behavioral Therapy for Insomnia
This program will focus on changing the participant's sleep patterns, activities, and habits.
Negative Ion exposure via IonMi Device
This procedure involves wearing a light weight negative ionizer (IonMi Device) around neck for one hour in the morning. An ionizer gives off special negatively charged ions into the air. The participant will be asked to wear the device every morning for about four weeks before surgery, four weeks after surgery and again for 1-week, 3-months after surgery
Sleep / Knee Osteoarthritis Education + Negative Ion exposure
Sleep / Knee Osteoarthritis Education. This program will focus on increasing the participant's knowledge about sleep, sleep disorders and knee osteoarthritis.
Negative Ion exposure. This procedure involves wearing a light weight negative ionizer (IonMi Device) around the neck for one hour in the morning. An ionizer gives off special negatively charged ions into the air. The participant will be asked to wear the device every morning for about four weeks before surgery, four weeks after surgery and again for 1-week, 3-months after surgery The participant will also receive daily reminders to charge the device and turn it on during the scheduled time.
Negative Ion exposure via IonMi Device
This procedure involves wearing a light weight negative ionizer (IonMi Device) around neck for one hour in the morning. An ionizer gives off special negatively charged ions into the air. The participant will be asked to wear the device every morning for about four weeks before surgery, four weeks after surgery and again for 1-week, 3-months after surgery
Sleep / Knee Osteoarthritis Education
This program will focus on increasing The participant's knowledge about sleep, sleep disorders and knee osteoarthritis.
Interventions
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Cognitive-Behavioral Therapy for Insomnia
This program will focus on changing the participant's sleep patterns, activities, and habits.
Bright Light therapy via the Re-Timer®
Subjects will conduct light treatment in the mornings at home for one hour using Re-timer® The participant will be asked to wear the device every morning for about four weeks before surgery, four weeks after surgery and again for 1-week, 3-months after surgery
Negative Ion exposure via IonMi Device
This procedure involves wearing a light weight negative ionizer (IonMi Device) around neck for one hour in the morning. An ionizer gives off special negatively charged ions into the air. The participant will be asked to wear the device every morning for about four weeks before surgery, four weeks after surgery and again for 1-week, 3-months after surgery
Sleep / Knee Osteoarthritis Education
This program will focus on increasing The participant's knowledge about sleep, sleep disorders and knee osteoarthritis.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* 60 years old and older,
* scheduled to have unilateral (one knee) total knee replacement surgery for osteoarthritis and
* have trouble falling or staying asleep
Exclusion Criteria
* have completed Cognitive Behavioral Therapy for Insomnia
* used either Bright Light or Negative Ion exposures in the past year
* have an inflammatory rheumatologic disorder, seizure disorder
* serious mental health disorder, Bipolar I disorder, substance or alcohol use disorder
* serious sleep or circadian rhythm disorder, untreated sleep apnea
* are pregnant or lactating
* have retinal pathology
* history of eye surgery (Lasik or cataract okay if more than 3 months ago)
* are taking disease-modifying antirheumatic drugs
* taking photosensitizing medications
* are unwilling to discontinue over the counter sleep aids (for example, melatonin) for at least 2 weeks before enrolling
60 Years
ALL
No
Sponsors
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National Institute on Aging (NIA)
NIH
Johns Hopkins University
OTHER
Responsible Party
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Principal Investigators
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Michael T Smith, PhD
Role: PRINCIPAL_INVESTIGATOR
Johns Hopkins University
Helen Burgess, PhD
Role: PRINCIPAL_INVESTIGATOR
University of Michigan
Robert R Edwards, PhD
Role: PRINCIPAL_INVESTIGATOR
Brigham and Women's Hospital
Locations
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Johns Hopkins School of Medicine
Baltimore, Maryland, United States
Mass General Brigham
Chestnut Hill, Massachusetts, United States
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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IRB00454253
Identifier Type: -
Identifier Source: org_study_id
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