Status:

TERMINATED

Blind Elderly Melatonin Treatment Study

Lead Sponsor:

Oregon Health and Science University

Collaborating Sponsors:

National Institute on Aging (NIA)

Conditions:

Blindness

Eligibility:

All Genders

55+ years

Phase:

NA

Brief Summary

The primary focus of this five-year study will be to optimize the melatonin dosing regimen for synchronizing the body clocks of elderly blind individuals to the 24-hour day.

Detailed Description

The investigators intend to study as many as 26 subjects through up to four melatonin treatment regimens, all of which involve a dose step-down in which the melatonin dose will be reduced gradually to...

Eligibility Criteria

Inclusion

  • Adults 55-100 years old
  • Blindness for at least one year, verified by an ophthalmologic exam
  • Ability to comply with the requirements of the experimental protocol
  • No clinically significant abnormalities (other than blindness) on a general physical examination
  • Subjects must be competent to sign informed consent

Exclusion

  • Abnormal heart, liver or kidney function; a current Axis I psychiatric or substance abuse disorder according to the DSM-IV Manual
  • A diagnosis of obstructive sleep apnea (apnea index \> 10) or nocturnal myoclonus (\> 10 associated arousals/hour)
  • External demands that limit the ability to maintain a regular schedule, e.g., night shift work

Key Trial Info

Start Date :

August 1 2004

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2008

Estimated Enrollment :

12 Patients enrolled

Trial Details

Trial ID

NCT00692094

Start Date

August 1 2004

End Date

December 1 2008

Last Update

November 27 2019

Active Locations (1)

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1

Sleep and Mood Disorders Lab, Oregon Health & Science University

Portland, Oregon, United States, 97239