The Effects of an NR2B NMDA Antagonist, CP-101,606, in Patients With Parkinson's Disease

This study has been completed.
Information provided by:
Pfizer Identifier:
First received: September 9, 2005
Last updated: September 21, 2006
Last verified: September 2006
To determine the effects of the NMDA antagonist, CP-101,606, in subjects with Parkinson's Disease

Condition Intervention Phase
Parkinson's Disease
Drug: NR2B NMDA Antagonist CP-101,606 (traxoprodil)
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Crossover Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled, Crossover Study To Explore The Efficacy And Safety Of The NR2B NMDA Antagonist CP-101,606 In Patients With Idiopathic Parkinson's Disease

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Dyskinesia Rating Scale

Secondary Outcome Measures:
  • Fingertapping

Estimated Enrollment: 12
Study Start Date: May 2005
Estimated Study Completion Date: January 2006

Ages Eligible for Study:   30 Years to 80 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • 30- 80-year-old PD patients (UK Parkinson's Disease Brain Bank criteria) with a Hoehn & Yahr stage score of 2-5 in the "off" state.

Exclusion Criteria:

  • Subjects with evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing).
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00163085

United States, Oregon
Pfizer Investigational Site
Portland, Oregon, United States, 97239
Sponsors and Collaborators
Study Director: Pfizer Call Center Pfizer
  More Information

Additional Information:
No publications provided Identifier: NCT00163085     History of Changes
Other Study ID Numbers: A1611007
Study First Received: September 9, 2005
Last Updated: September 21, 2006
Health Authority: United States: Food and Drug Administration

Additional relevant MeSH terms:
Parkinson Disease
Basal Ganglia Diseases
Brain Diseases
Central Nervous System Diseases
Movement Disorders
Nervous System Diseases
Neurodegenerative Diseases
Parkinsonian Disorders processed this record on November 27, 2015