- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01816152
Methodology Issues in a Tailored Light Treatment for Persons With Dementia
July 7, 2023 updated by: Mariana Figueiro, Icahn School of Medicine at Mount Sinai
Phase 1 Methodology Issues in a Tailored Light Treatment for Persons With Dementia
Tailored light treatment will increase sleep efficiency, reduce depression and reduce agitation scores in those with Alzheimer's disease and related dementia
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
In a within subjects, randomized placebo control study, a tailored light treatment will be used for short-term (4 weeks).
Outcome measures include sleep measures (actigraphy), and questionnaires probing behavior and mood in those who have been diagnosed with Alzheimer's disease and related dementia.
After a 4-week washout period, a placebo control inactive light will be used for another 4 weeks.
Study Type
Interventional
Enrollment (Estimated)
45
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Mariana G Figueiro, PhD
- Phone Number: 518 3669306
- Email: mariana.figueiro@mountsinai.org
Study Locations
-
-
New York
-
Albany, New York, United States, 12204
- Recruiting
- Icahn School of Medicine at Mount Sinai
-
Principal Investigator:
- Mariana G Figueiro, PhD
-
Contact:
- Barbara Plitnick, BSN
- Phone Number: 518-242-4603
- Email: Barbara.Plitnick@mountsinai.org
-
New York, New York, United States, 10029
- Recruiting
- Icahn School of Medicine at Mount Sinai
-
Contact:
- Barbara Plitnick, BSN
- Phone Number: 212-659-9693
- Email: barbara.plitnick@mountsinai.org
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
65 years and older (Older Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- mild to moderate Alzheimer's disease and related dementia (ADRD)
Exclusion Criteria:
- major organ failure,
- major illness,
- history of head injury,
- hypertension or diabetes,
- use psychotropic (sleep aid) medicine, obstructing cataracts, macular degeneration, and blindness
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Active Intervention
Light levels, primary and secondary measurements are obtained after a 4-week intervention period where active lighting is experienced by patients.
|
Subjects experience a baseline for 1 week and an active intervention for 4 weeks.
The active intervention is a bluish white light source delivering at least 300 lux at the eye of the patient during at least 2 hours daily.
|
Placebo Comparator: Inactive intervention
Light levels, primary and secondary measurements are obtained after a 4-week intervention period where an inactive lighting is experienced by patients
|
Subjects experience a baseline for 1 week and an inactive intervention for 4 weeks.
The inactive intervention is a yellowish white light source delivering at most 50 lux at the eye of the patient during at least 2 hours daily.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sleep Disturbance
Time Frame: Change from Baseline (week 0) and intervention (week 4)
|
Caregivers and subjects are asked to complete the Pittsburgh Sleep Quality Index (PSQI), which is assessed at baseline and after 4 weeks they are exposed to the lighting intervention.
The seven component scores are summed to provide a global score ranging from 0 to 21 and a score of 5 or above indicates sleep disturbance.
A higher number indications a greater sleep disturbance
|
Change from Baseline (week 0) and intervention (week 4)
|
Agitation
Time Frame: Change from Baseline (week 0) and intervention (week 4)
|
Caregivers and subjects are asked to fill out the Cohen-Mansfield Agitation Score, which is assessed at baseline and after 4 weeks they are exposed to the lighting intervention.
All scores are summed for one total score - a higher score indicates more agitation
|
Change from Baseline (week 0) and intervention (week 4)
|
Depression
Time Frame: Change from Baseline (week 0) and intervention (week 4)
|
Caregivers and subjects are asked to fill out subjective questionnaires assessing depression using the Cornell Scale for Depression in Dementia (CSDD) Questionnaires are assessed at baseline and after 4 weeks they are exposed to the lighting intervention.
The CSDD consists of 19 questions rated on a scale of 0 to 2 with all scores summed for a total score.
A score greater than 12 indicates depression and a higher score indicates greater depression.
|
Change from Baseline (week 0) and intervention (week 4)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Activity of Daily Living
Time Frame: Change from Baseline (week 0) and intervention (week 4)
|
Caregivers and subjects are asked to fill out subjective Activity of Daily Living questionnaire (MDS-ADL), which is assessed at baseline and after 4 weeks they are exposed to the lighting intervention.
Scores range from 4 to 18 and a higher score indicates a higher dependence.
|
Change from Baseline (week 0) and intervention (week 4)
|
Light/dark patterns
Time Frame: Change from Baseline (week 0) and intervention (week 4)
|
Subjects are asked to wear a calibrated light meter to obtain light/dark and activity/rest patterns for 7 days prior to intervention and for 7 days after 3 weeks that the light treatment is applied.
These data are used to determine circadian disruption (correlation between light/dark and activity/rest) and light dose.
|
Change from Baseline (week 0) and intervention (week 4)
|
Actigraphy
Time Frame: Change from Baseline (week 0) and intervention (week 4)
|
Subjects are asked to wear an actigraph to obtain activity/rest patterns for 7 days prior to intervention and for 7 days after 3 weeks that the light treatment is applied.
Actigraphs are used to measure sleep efficiency.
|
Change from Baseline (week 0) and intervention (week 4)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Principal Investigator: Mariana G Figueiro, PhD, Icahn School of Medicine at Mount Sinai
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Hanford N, Figueiro M. Light therapy and Alzheimer's disease and related dementia: past, present, and future. J Alzheimers Dis. 2013;33(4):913-22. doi: 10.3233/JAD-2012-121645.
- Figueiro MG, Hamner R, Higgins P, Hornick T, Rea MS. Field measurements of light exposures and circadian disruption in two populations of older adults. J Alzheimers Dis. 2012;31(4):711-5. doi: 10.3233/JAD-2012-120484.
- Figueiro MG, Plitnick BA, Lok A, Jones GE, Higgins P, Hornick TR, Rea MS. Tailored lighting intervention improves measures of sleep, depression, and agitation in persons with Alzheimer's disease and related dementia living in long-term care facilities. Clin Interv Aging. 2014 Sep 12;9:1527-37. doi: 10.2147/CIA.S68557. eCollection 2014.
- Figueiro MG, Plitnick B, Roohan C, Sahin L, Kalsher M, Rea MS. Effects of a Tailored Lighting Intervention on Sleep Quality, Rest-Activity, Mood, and Behavior in Older Adults With Alzheimer Disease and Related Dementias: A Randomized Clinical Trial. J Clin Sleep Med. 2019 Dec 15;15(12):1757-1767. doi: 10.5664/jcsm.8078. Epub 2019 Nov 8.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 1, 2020
Primary Completion (Estimated)
June 30, 2025
Study Completion (Estimated)
December 31, 2025
Study Registration Dates
First Submitted
March 15, 2013
First Submitted That Met QC Criteria
March 21, 2013
First Posted (Estimated)
March 22, 2013
Study Record Updates
Last Update Posted (Actual)
July 10, 2023
Last Update Submitted That Met QC Criteria
July 7, 2023
Last Verified
July 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- GCO 20-4007
- 7R01AG034157-11 (U.S. NIH Grant/Contract)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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