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The effects of bright light and physical activity at circadian rhythm disturbances in persons with MCI.

The effects of bright light and physical activity at circadian rhythm disturbances in persons with MCI. - The DYNAMO project

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON35034
Enrollment
48
Registered
2010-09-14
Start date
2010-04-15
Completion date
Unknown
Last updated
2024-05-06

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

Conditions

slaapproblemen Mild Cognitive Impairment (MCI) mild dementia

Interventions

There are four treatment groups: 1. morning bright light 2. morning physical activity 3. morning bright light combined with physical activity 4. no treatment group (wait list control) Persons in th

Sponsors

Rijksuniversiteit Groningen
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Mild Cognitive Impairment (MCI) Having at least one sleeping problem age 65 years or older able to walk independently, use of walking aids (no wheelchair) are allowed

Exclusion criteria

Exclusion criteria: use of photosensitizing medication presence of diseases of the eye other than due to normal aging presence of diabetes Mellitus, epilepsy history or presence of alcoholism, cerebral traumata, normal pressure hydrocephalus or neoplasm presence of consciousness disturbances

Design outcomes

Primary

MeasureTime frame
The main study parameters are objective outcomes related to sleep-wake and rest-activity rhythms of the participants assessed by Actigraphy. Outcomes related to the sleep-wake cycle are: 1. total sleep time 2. number and length of wake bouts during the night 3. sleep efficiency (ratio of total sleep time and time spent in bed). Outcomes according to rest-activity rhythm are: 1. acrophase (time of peak activity) 2. amplitude 3. mesor (mean) of the 24 hour activity curve 4. relative amplitude (RA; difference between 10 most active hours and 5 least active hours) 5. intradaily variability (IV; change in activity level from hour to hour) 6. interdaily stability (IS; measures strength of activity rhythm to environmental zeitgebers, based on chi square periodogram).

Secondary

MeasureTime frame
Secondary outcome measure is subjective quality of sleep, assessed by the 14-item Groningen Sleep Quality Scale (GSQS)

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)