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Light and Sleep Fragmentation

Primary Purpose

Sleep, Mild Cognitive Impairment, Mood Disorders

Status
Not yet recruiting
Phase
Phase 4
Locations
United States
Study Type
Interventional
Intervention
Light therapy
Sponsored by
Stanford University
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Sleep

Eligibility Criteria

65 Years - 99 Years (Older Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria: Mild Cognitive Impairment Age >65 Exclusion Criteria: Severe depression Unstable psychiatric or medical disease Acute infection

Sites / Locations

  • Stanford University

Arms of the Study

Arm 1

Arm 2

Arm Type

Active Comparator

Experimental

Arm Label

Standard of care

Stepped care

Arm Description

One hour of daily bright light exposure beginning one hour after wake time.

One hour of daily bright light exposure in the afternoon

Outcomes

Primary Outcome Measures

Sleep fragmentation
24 hour sleep wake patterns will be quantitated with a non-parametric measure, intradaily variation

Secondary Outcome Measures

Cognition
Performance on the WAIS-4
Mood
Geriatric Depression Scale, range: 0-15 with higher scores being associated with greater depressive symptomatology

Full Information

First Posted
August 18, 2023
Last Updated
August 23, 2023
Sponsor
Stanford University
Collaborators
National Institute on Aging (NIA)
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1. Study Identification

Unique Protocol Identification Number
NCT06009289
Brief Title
Light and Sleep Fragmentation
Official Title
Application of Precision Medicine to Phototherapy: a Stepped Care Approach to Consolidate Sleep and Slow Cognitive Decline in Older Adults
Study Type
Interventional

2. Study Status

Record Verification Date
August 2023
Overall Recruitment Status
Not yet recruiting
Study Start Date
June 1, 2026 (Anticipated)
Primary Completion Date
May 30, 2028 (Anticipated)
Study Completion Date
May 30, 2028 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Stanford University
Collaborators
National Institute on Aging (NIA)

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
This trial will examine scheduled exposure to bright light in the morning and afternoon as a countermeasure to sleep fragmentation in older individuals with mild cognitive impairment.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Sleep, Mild Cognitive Impairment, Mood Disorders

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 4
Interventional Study Model
Sequential Assignment
Masking
ParticipantOutcomes Assessor
Allocation
Non-Randomized
Enrollment
120 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Standard of care
Arm Type
Active Comparator
Arm Description
One hour of daily bright light exposure beginning one hour after wake time.
Arm Title
Stepped care
Arm Type
Experimental
Arm Description
One hour of daily bright light exposure in the afternoon
Intervention Type
Behavioral
Intervention Name(s)
Light therapy
Intervention Description
One hour of exposure to bright light, either by being outdoors or with a phototherapy lamp if indoor
Primary Outcome Measure Information:
Title
Sleep fragmentation
Description
24 hour sleep wake patterns will be quantitated with a non-parametric measure, intradaily variation
Time Frame
4 weeks
Secondary Outcome Measure Information:
Title
Cognition
Description
Performance on the WAIS-4
Time Frame
6 months
Title
Mood
Description
Geriatric Depression Scale, range: 0-15 with higher scores being associated with greater depressive symptomatology
Time Frame
6 months

10. Eligibility

Sex
All
Minimum Age & Unit of Time
65 Years
Maximum Age & Unit of Time
99 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: Mild Cognitive Impairment Age >65 Exclusion Criteria: Severe depression Unstable psychiatric or medical disease Acute infection
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Renske Lok, PhD
Email
rlok@stanford.edu
Facility Information:
Facility Name
Stanford University
City
Redwood City
State/Province
California
ZIP/Postal Code
94063
Country
United States
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Renske Lok, PhD
Email
rlok@stanford.edu

12. IPD Sharing Statement

Plan to Share IPD
Yes
IPD Sharing Plan Description
After completion of study and publication of data, deidentified IPD will be uploaded to Dryad with documentation. Analytic code will be shared with Github
IPD Sharing Time Frame
within six months after publication; no restrictions on duration of availability
IPD Sharing URL
https://laneguides.stanford.edu/DataManagement/Sharing

Learn more about this trial

Light and Sleep Fragmentation

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