Research Study

A Phase 2, Randomized, Placebo Controlled, Double Blind Proof-of-concept Study Of The Efficacy And Safety Of Pf-02545920 In Subjects With Huntington's Disease
Principal Investigator 
Lynn A. Raymond


Body Locations and Systems 
Huntington's Disease 
Closed for Recruitment
Study Start/End 
Sep 1, 2014 to Jan 31, 2017
UBC Hospital
Allison Coleman, Research Coordinator
Email Address
Purpose of Study 

This study is a 26 week, randomized, parallel group, double blind comparison of PF-02545920 5 mg, PF-02545920 20 mg, and placebo dosed BID in the treatment of motor impairment of subjects with Huntington's Disease. A total of approximately 260 subjects are planned to be randomized in the study. Primary endpoint is the change from baseline in the Total Motor Score (TMS) assessment of the Unified Huntington Disease Rating Scale (UHDRS) after 26 weeks of treatment. secondary endpoints will include change from baseline in the Total Maximum Chorea (TMC) score of the UHDRS after 13 and 26 weeks of treatment and Clinical Global Impression-Improvement score after 13 and 26 weeks of treatment.



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Study Coordinators and Research Nurses cannot give medical advice over the phone. Telephone numbers and email addresses are provided for obtaining additional information on specific clinical research trials only. If you have specific questions which require clinical expertise, please call your primary care physician.