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Study Of The Safety Of CE 224,545 And Methotrexate In Patients With Rheumatoid Arthritis

This study has been completed.
Information provided by:
Pfizer Identifier:
First received: March 9, 2007
Last updated: May 19, 2011
Last verified: May 2011
CE 224,535 is being developed for the treatment of rheumatoid arthritis. The purpose of this study is to evaluate the safety and tolerability of CE 224,535 after 4 weeks of treatment in subjects with rheumatoid arthritis already receiving methotrexate

Condition Intervention Phase
Arthritis, Rheumatoid
Drug: CE-224,535
Drug: Methotrexate
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A Phase 1, Double Blind Study Of The Safety And Pharmacokinetics Of Multiple Doses Of CE 224,535 In Subjects With Rheumatoid Arthritis Receiving Methotrexate

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Incidence and severity of adverse events throughout the study

Secondary Outcome Measures:
  • Pharmacokinetics of CE 224,535 on Days 7 and 8
  • Pharmacokinetics of Methotrexate on Days 1 and 8

Estimated Enrollment: 20
Study Start Date: April 2007
Study Completion Date: August 2007
Primary Completion Date: August 2007 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Adults patients with rheumatoid arthritis
  • Patients who have received stable weekly doses of oral methotrexate (5 to 25 mg/week administered as a single dose) for a minimum of 28 days (4 weeks/4 doses)

Exclusion Criteria:

  • History of chronic infectious disease such as genitourinary, pulmonary or sinus infections.
  • Any current or known malignancy or history of malignancy within the previous 5 years
  • Pregnant or lactating women; women of child-bearing potential who are unwilling to unable to use an acceptable method of birth control during the study
  Contacts and Locations
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Please refer to this study by its identifier: NCT00446784

United States, Florida
Pfizer Investigational Site
Miami, Florida, United States, 33169
Pfizer Investigational Site
Ocala, Florida, United States, 34471
Pfizer Investigational Site
Ocala, Florida, United States, 34474
United States, Michigan
Pfizer Investigational Site
Kalamazoo, Michigan, United States, 49007
United States, Pennsylvania
Pfizer Investigational Site
Ducansville, Pennsylvania, United States, 16635
Sponsors and Collaborators
Study Director: Pfizer Call Center Pfizer
  More Information

Additional Information: Identifier: NCT00446784     History of Changes
Other Study ID Numbers: A6341006
Study First Received: March 9, 2007
Last Updated: May 19, 2011

Additional relevant MeSH terms:
Arthritis, Rheumatoid
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Connective Tissue Diseases
Autoimmune Diseases
Immune System Diseases
Abortifacient Agents, Nonsteroidal
Abortifacient Agents
Reproductive Control Agents
Physiological Effects of Drugs
Antimetabolites, Antineoplastic
Molecular Mechanisms of Pharmacological Action
Antineoplastic Agents
Dermatologic Agents
Enzyme Inhibitors
Folic Acid Antagonists
Immunosuppressive Agents
Immunologic Factors
Antirheumatic Agents
Nucleic Acid Synthesis Inhibitors processed this record on April 28, 2017