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The effectiveness of light therapy on sleep quality, Cognitive function, BPSD, and depression in patients with mild cognitive impairment and dementia: a randomized controlled trial

The effectiveness of light therapy on sleep quality, Cognitive function, BPSD, and depression in patients with mild cognitive impairment and dementia: a randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000039991
Enrollment
Unknown
Registered
2020-11-16
Start date
2020-11-20
Completion date
Unknown
Last updated
2021-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mild Cognitive Impairment and mild Dementia

Interventions

EG:light therapy
CG: standard light group

Sponsors

Taipei Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 100 Years

Inclusion criteria

Inclusion criteria: (1) Simple mental status examination (MMSE) >= 24 points or Montreal Cognitive Assessment (MoCA) cut score 23/24 is divided into mild cognitive dysfunction, or meet the ICD-10 mild and moderate dementia diagnosis; (2) Can communicate in Mandarin (Taiwan); (3) Over 65 years old; (4) Complaints of sleep disorders, and PSQI > 5 points or more; (5) Regular and stable medication; (6) No special eye disease, can accept continuous light; (7) Living in an institution, the staff can monitor their sleep status, or their co-resident family members can assist in monitoring their sleep status; (8) In addition to the above conditions, the subjects must be volunteers who have signed an informed consent form by themselves or their family members.

Exclusion criteria

Exclusion criteria: (1) Any primary neurological disease that affects the quality of sleep, such as narcolepsy or sleep cessation syndrome; (2) Those who have been diagnosed by a physician with obvious mental illness or communication disorders; (3) Assessed by the sleep apnea scale in the Sleep Disorders Questionnaire, females> 26 points, males > 29 points, judged to have sleep apnea; (4) Those who have had photosensitivity dermatitis in the past; (5) Those who have been diagnosed by a physician with related eye diseases that cannot receive continuously light; (6) Those who are not suitable to participate in this course of treatment after being assessed by a physician.

Design outcomes

Primary

MeasureTime frame
Sleep quality;Cognitive function;Behavioral and psychological symptom associated with dementia, BPSD;Depression;

Countries

China

Contacts

Public ContactKuei-Ru Chou

Taipei Medical University

kueiru@tmu.edu.tw+886 2 27361661 ext. 6300.6324

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026