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OpenTrials
Completed

NCT Number: NCT01712243

Light to Maximize Vision, Minimize Insomnia

The purpose of this study is to determine whether specific wavelengths of light at night can be used to improve mobile balance while simultaneously not increasing alertness.

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Key information

Conditions

Postural Balance

Age range

55 year–85 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

VA Palo Alto Health Care System

Palo Alto, California, 94304, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Aged 55-85
  • At least 20/200 corrected visual acuity
  • Greater than 20° visual field with no lower visual field loss
  • Stable health
  • Male or female
  • Normal color vision
  • Normal hearing

Exclusion criteria

  • Extreme chronotype
  • Sleep disorders
  • Dementia
  • Smoker
  • Depression
  • Alcohol abuse
  • Use of illegal drugs
  • Use of sleep/wake altering drugs on an acute or as needed basis (including nutraceuticals, antihistamines)
  • Use of light sensitizing drugs
  • Self-reported history of nocturia (>3 times per night)

Treatment and study plan

light

Other

Primary outcomes

  1. Mobile balance

    Time frame: 15 minutes

    Mobile balance as determined using a GaitRite walkway

  2. Alertness

    Time frame: 15 minutes

    Alertness as determined by electroencephalographic power density

Sponsors and collaborators

Lead sponsor

VA Palo Alto Health Care System

Fed

Collaborators

  • Stanford University

Registry information

Official study title

Toileting at Night in Older Adults: Light to Maximize Vision, Minimize Insomnia

Important dates

Study start
2013
Primary completion
2016
Study completion
2016
First posted
Oct 23, 2012
Registry last updated
Nov 2, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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