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A Long-Term, Safety Study With a Flexible Dose Range of KW-6002 in Patients With Motor Response Complications on Levodopa/Carbidopa Therapy

Phase 2
Completed
Conditions
Parkinson's Disease
Interventions
Registration Number
NCT00955045
Lead Sponsor
Kyowa Kirin, Inc.
Brief Summary

The primary objective of this study was to establish the long-term tolerability and safety of istradefylline treatment in subjects with Parkinson's disease treated with levodopa/carbidopa. In addition, treatment response and maintenance of response were assessed.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
Not specified
Inclusion Criteria

Eligible subjects were:

  • male or female
  • at least 30 years of age
  • had completed participation in a prior double-blind istradefylline trial
  • met United Kingdom's Parkinson's Disease Society (UKPDS) brain bank criteria (Step 1 and Step 2) for Parkinson's disease and the severity of the Parkinson's disease was defined as Stages 2-4 on the Modified Hoehn and Yahr Scale while in the OFF state
  • had been treated with levodopa for at least 1 year
  • had been on a stable Parkinson's disease regimen within normal therapeutic ranges including levodopa for at least 4 weeks before Baseline
  • were currently taking at least 4 doses of levodopa per day (3 doses per day if at least 2 doses contained slow-release formulation)
  • had predictable end-of-dose wearing-off
Exclusion Criteria
  • none

Study & Design

Study Type
INTERVENTIONAL
Study Design
Not specified
Arm && Interventions
GroupInterventionDescription
istradefyllineistradefylline-
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

48 Centers in the US and 4 in Canada

🇺🇸

Princeton, New Jersey, United States

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