Study of CE-224,535 A Twice Daily Pill To Control Rheumatoid Arthritis In Patients Who Have Not Totally Improved With Methotrexate

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NCT00628095

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Study Location
Pfizer Investigational Site
Mesa, Arizona, 85202, United States
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Contact
1-800-718-1021
[email protected]
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FOR MORE INFORMATION

Contact a representative by phone, email, or visiting the study website. Please see the references below:

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Pfizer Clinical Trials Contact Center

1-800-718-1021

By email

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Eligibility Criteria
condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Arthritis, Rheumatoid
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
18 + years
Inclusion Criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Active rheumatoid arthritis

- Incomplete response to methotrexate

Exclusion Criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details


- Must not be on biologic therapies


- No recent infections

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Advanced Information
Descriptive Information
Brief Title  ICMJE Study of CE-224,535 A Twice Daily Pill To Control Rheumatoid Arthritis In Patients Who Have Not Totally Improved With Methotrexate
Official Title  ICMJE A Phase 2a, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study Of CE-224,535, An Antagonist Of The P2x7 Receptor, In The Treatment Of The Signs And Symptoms Of Rheumatoid Arthritis In Subjects Who Are Inadequately Controlled On Methotrexate
Brief Summary CE-224,535 is known to block a chemical that acts as a gateway to some of your immune cells. Blocking this gateway prevents the cells from pushing out 2 chemicals called IL-1 and IL-18 that are known to cause some of the inflammation seen in rheumatoid arthritis. It is hoped that taking this drug will reduce the symptoms of rheumatoid arthritis
Detailed Description Not Provided
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 2
Phase 3
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Condition  ICMJE Arthritis, Rheumatoid
Intervention  ICMJE
  • Drug: CE-224,535
    500 mg po BID
  • Drug: Placebo
    no active ingredient
Study Arms  ICMJE
  • Experimental: Active
    Intervention: Drug: CE-224,535
  • Placebo Comparator: Placebo
    Intervention: Drug: Placebo
Publications * Stock TC, Bloom BJ, Wei N, Ishaq S, Park W, Wang X, Gupta P, Mebus CA. Efficacy and safety of CE-224,535, an antagonist of P2X7 receptor, in treatment of patients with rheumatoid arthritis inadequately controlled by methotrexate. J Rheumatol. 2012 Apr;39(4):720-7. doi: 10.3899/jrheum.110874. Epub 2012 Mar 1.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: April 13, 2009)		100
Original Estimated Enrollment  ICMJE
 (submitted: February 25, 2008)		86
Actual Study Completion Date  ICMJE February 2009
Actual Primary Completion Date February 2009   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Active rheumatoid arthritis
  • Incomplete response to methotrexate

Exclusion Criteria:

  • Must not be on biologic therapies
  • No recent infections
Sex/Gender  ICMJE
Sexes Eligible for Study:All
Ages  ICMJE 18 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE Chile,   Czech Republic,   Korea, Republic of,   Mexico,   Poland,   Spain,   United States
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT00628095
Other Study ID Numbers  ICMJE A6341009
Has Data Monitoring Committee No
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible Party Director, Clinical Trial Disclosure Group, Pfizer
Study Sponsor  ICMJE Pfizer
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Study Director:Pfizer CT.gov Call CenterPfizer
PRS Account Pfizer
Verification Date October 2009

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP