Status:

COMPLETED

Caffeine for Excessive Daytime Somnolence in Parkinson's Disease

Lead Sponsor:

Ron Postuma

Collaborating Sponsors:

Canadian Institutes of Health Research (CIHR)

University of Toronto

Conditions:

Parkinson's Disease

Excessive Daytime Somnolence

Eligibility:

All Genders

18+ years

Phase:

PHASE2

PHASE3

Brief Summary

Many patients with Parkinson's disease (PD) have sleep problems, including excessive sleepiness during the day. This is probably due to degeneration of sleep-regulating areas in the brain. At present,...

Detailed Description

Parkinson's disease (PD) is a common neurodegenerative disorder characterized by motor disability and many disabling non-motor symptoms. Excessive daytime somnolence (EDS) is found in up to 50% of pat...

Eligibility Criteria

Inclusion

  • A diagnosis of idiopathic PD
  • Excessive daytime somnolence (defined as an Epworth sleepiness scale score of \>10).

Exclusion

  • Estimated daily caffeine intake of more than 200 mg per day
  • Active peptic ulcer disease
  • Supraventricular cardiac arrhythmia (such as atrial fibrillation or atrial flutter)
  • Uncontrolled hypertension - defined as systolic bp \>170 or diastolic bp \>110 on two consecutive readings
  • EDS is caused by sleep apnea, restless legs syndrome, narcolepsy, shift work, or sleep promoting agents.
  • Current use of prescribed alerting agents such as modafinil and methylphenidate
  • Pre-menopausal women who are not using effective methods of birth control
  • Dementia, defined as MMSE \<24/30 and ADL impairment secondary to cognitive loss, or inability to understand consent process
  • Depression, as defined by a Beck Depression Inventory score of \>15.
  • Changes to antiparkinsonian medication in the last 3 months, or changes to antiparkinsonian medication are anticipated during the study protocol.

Key Trial Info

Start Date :

April 1 2007

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

July 1 2011

Estimated Enrollment :

58 Patients enrolled

Trial Details

Trial ID

NCT00459420

Start Date

April 1 2007

End Date

July 1 2011

Last Update

April 16 2015

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Toronto Western Hospital

Toronto, Ontario, Canada

2

Montreal General Hospital

Montreal, Quebec, Canada, H3G 1A4