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Not yet taking people in United StatesPhase 4

Bright light exposure for broken sleep in older adults with mild cognitive impairment

Tests timed bright light for disrupted sleep in older people with mild cognitive impairment.

Key facts

Who runs it
Stanford University
Where
Redwood City, United StatesSee the site
Trial code
Registry title
Light and Sleep Fragmentation
Status
Not yet recruiting
Phase
Phase 4
People taking part
120 people, planned
Started
1 Jun 2026
Expected to end
30 May 2028
Type of study
Interventional, 2 groupsOne group gets an existing treatment, for comparison.
Treatments tested
  • Light therapy
Record updated
25 August 2023

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for older adults with mild cognitive impairment (mild memory and thinking problems). It tests daily bright light exposure to help reduce broken-up sleep.

Age
Older than 65 (listed as 65 Years to 99 Years)
Sex
All
Disease stage
Mild cognitive impairment

Main reasons for not taking part

  • Severe depression
  • Unstable psychiatric or medical disease
  • Acute infection

The registry criteria, word for word

Show all 5 criteriaShow less

Who can take part

  • Mild Cognitive Impairment
  • Age >65

Who cannot take part

  • Unstable psychiatric or medical disease
  • Acute infection
  • Severe depression

Check if you might fit

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 65 and 99 years old?

Where in United States

  • Stanford UniversityRedwood City, United StatesContact: Renske Lok, PhDNot yet recruiting

About the trial

What the trial wants to find out

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.

The 2 groups in the trial

  • Standard of careExisting treatment, for comparison

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

    Treatment: Light therapy

  • Stepped careTreatment being tested

    One hour of daily bright light exposure in the afternoon

    Treatment: Light therapy

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Application of Precision Medicine to Phototherapy: a Stepped Care Approach to Consolidate Sleep and Slow Cognitive Decline in Older Adults
Plain-language title
Bright light exposure for broken sleep in older adults with mild cognitive impairmentGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 15 November 2026.
Fit questions
Built from NCT06009289, who can take part
Record updated
25 August 2023