Status:

COMPLETED

An Exploratory Study of XP21279 (With Lodosyn®) and Sinemet® in Parkinson's Disease Subjects

Lead Sponsor:

XenoPort, Inc.

Conditions:

Parkinson's Disease

Eligibility:

All Genders

30-75 years

Phase:

PHASE1

PHASE2

Brief Summary

The purpose of the study is to assess the pharmacokinetics, pharmacodynamics, and safety of XP21279 sustained release formulation \[administered with Lodosyn® (carbidopa)\] and Sinemet® tablets in sub...

Detailed Description

This is a Phase 1/Phase 2 multiple-dose, multi-center, open-label, two period sequential-treatment study in subjects with Parkinson's disease to assess the pharmacokinetics, pharmacodynamics, and safe...

Eligibility Criteria

Inclusion

  • Subjects with a clinical diagnosis of idiopathic Parkinson's disease, confirmed by the presence of at least two cardinal signs of the disease (resting tremor, bradykinesia, rigidity).
  • Subjects must have predictable motor fluctuations of the wearing off type, defined by wearing off in at least 50% of inter-dose intervals between the first and the last daily doses as recorded on the on/off diary over 3 days (Days -4 to -2) in the Screening Period.
  • Subjects must be on stable TID or QID Sinemet® or carbidopa/levodopa regimens from morning through early evening, with a total daily dose ranging from 400 mg to 1000 mg of levodopa, for at least 1 week prior to Screening.

Exclusion

  • History, signs, or symptoms suggesting the diagnosis of secondary or atypical Parkinsonism.
  • Subject has greater than or equal to moderately disabling dyskinesias for greater than 25% of the waking day as assessed by a score of 2 or more on item 32 and a score of 2 or more on item 33 on the UPDRS at Screening.
  • Subjects who are dosing with Sinemet® or carbidopa/levodopa during the night time.
  • Subjects who have significant neurological symptoms not accounted for by Parkinson's disease.
  • Subjects who are taking concomitantly COMT inhibitors (i.e., entacapone or tolcapone) or treated with Stalevo®, Sinemet® CR, or Madopar®/Prolopa® (levodopa/benserazide).

Key Trial Info

Start Date :

May 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 1 2010

Estimated Enrollment :

14 Patients enrolled

Trial Details

Trial ID

NCT00914602

Start Date

May 1 2009

End Date

January 1 2010

Last Update

May 5 2021

Active Locations (2)

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Page 1 of 1 (2 locations)

1

XenoPort Investigational Site

Peoria, Arizona, United States, 85381

2

XenoPort Investigational Site

Bingham Farms, Michigan, United States, 48025