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Randomized, Placebo Controlled Study Of The Efficacy And Safety Of PF-02545920 In Subjects With Huntington's Disease

Pfizer logo

Pfizer

Status and phase

Completed
Phase 2

Conditions

Huntington's Disease

Treatments

Other: Placebo
Drug: PF-02545920

Study type

Interventional

Funder types

Industry

Identifiers

NCT02197130
2014-001291-56 (EudraCT Number)
A8241021

Details and patient eligibility

About

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.

Enrollment

272 patients

Sex

All

Ages

30 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • CAG repeat equal or greater than 36;
  • Total motor score equal or greater than 10;
  • Total functional capacity equal or greater than 7.

Exclusion criteria

  • Clinically significant neurologic disorder other than Huntington's disease;
  • Other severe acute psychiatric conditions, mania and/or psychosis;
  • History of neutropenia, and myeloproliferative disorders;

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

272 participants in 3 patient groups, including a placebo group

20 mg PF-02545920 BID
Experimental group
Description:
20 mg PF-02545920 BID
Treatment:
Drug: PF-02545920
Drug: PF-02545920
5 mg PF-02545920 BID
Experimental group
Description:
5 mg PF-02545920 BID
Treatment:
Drug: PF-02545920
Drug: PF-02545920
Placebo BID
Placebo Comparator group
Description:
Matching placebo
Treatment:
Other: Placebo

Trial contacts and locations

57

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Data sourced from clinicaltrials.gov

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