A Phase 3 Study Comparing 2 Doses of CP-690,550 vs. Placebo for Treatment of Rheumatoid Arthritis
Purpose
This Phase 3 study is intended to provide evidence of the efficacy and safety of CP 690,550 when dosed 5 mg and 10 mg twice a day as monotherapy in adult patients with moderate to severe Rheumatoid Arthritis. It is intended to confirm the benefits of CP-690,550 in improving signs and symptoms and physical function that were observed in the Phase 2 Rheumatoid Arthritis studies.
|
Condition |
Intervention |
Phase |
| Arthritis, Rheumatoid | Drug: CP-690,550 Drug: Placebo |
Phase 3 |
Study Type: Interventional
Study Design:Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Parallel Assignment, Safety/Efficacy Study
Official Title:Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Of The Efficacy And Safety Of 2 Doses Of CP-690,550 Monotherapy In Patients With Active Rheumatoid Arthritis
Resource links provided by NLM:
MedlinePlus related topics: Rheumatoid Arthritis
U.S. FDA Resources
Further study details as provided by Pfizer:
Primary Outcome Measures:
- American College of Rheumatology 20 (ACR20) responder rate versus placebo [ Time Frame: 3 months ] [ Designated as safety issue: No ]
- Change from baseline in the Health Assessment Questionnaire (HAQ DI) [ Time Frame: 3 months ] [ Designated as safety issue: No ]
Secondary Outcome Measures:
- Incidence and severity of adverse events [ Time Frame: All time points ] [ Designated as safety issue: Yes ]
- ACR20 responder rates [ Time Frame: All time points ] [ Designated as safety issue: No ]
- ACR50 responder rates [ Time Frame: All time points ] [ Designated as safety issue: No ]
- ACR70 responder rates [ Time Frame: All time points ] [ Designated as safety issue: No ]
- DAS 28 [ Time Frame: All time points ] [ Designated as safety issue: No ]
- HAQ-DI [ Time Frame: All time points ] [ Designated as safety issue: No ]
- SF-36 [ Time Frame: Months 1 ,3, 6 nd early termination ] [ Designated as safety issue: No ]
- Incidence and severity of clinical laboratory abnormalities [ Time Frame: All time points ] [ Designated as safety issue: Yes ]
- Summary of changes in physical examination compared to baseline by subject [ Time Frame: All time points ] [ Designated as safety issue: Yes ]
- Mean change from baseline in vital signs (blood pressure, heart rate, and oral, temporal or tympanic temperature preferred) measurements [ Time Frame: All time points ] [ Designated as safety issue: Yes ]
- MOS Sleep scale [ Time Frame: Months 1 ,3,6 and early termination ] [ Designated as safety issue: No ]
- FACIT Fatigue scale [ Time Frame: Months 1 ,3,6 and early termination ] [ Designated as safety issue: No ]
- Euro Qol EQ 5D scale [ Time Frame: Months 1 ,3,6 and early termination ] [ Designated as safety issue: No ]
- RA Healthcare Resource Utilization Questionnaire [ Time Frame: Months 1 ,3,6 and early termination ] [ Designated as safety issue: No ]
- Work Limitations Questionnaire [ Time Frame: Months 1 ,3,6 and early termination ] [ Designated as safety issue: No ]
- Number of Days required for a >1 day CONSECUTIVE sequential decrease in: - Patient Assessment of Arthritis Pain; - Patient Global Assessment of Arthritis. [ Time Frame: 2 weeks ] [ Designated as safety issue: No ]
Estimated Enrollment: 500
Study Start Date: February 2009
Estimated Study Completion Date: November 2010
Estimated Primary Completion Date: November 2010 (Final data collection date for primary outcome measure)
| Arms | Assigned Interventions |
| Active 5mg: Experimental |
Drug: CP-690,550 5mg CP-690,550 BID PO for 6 months |
|
Active 10 mg: Experimental |
Drug: CP-690,550 10 mg CP-690,550 BID PO for 6 months |
|
Placebo Sequence 1: Placebo Comparator |
Drug: Placebo Placebo patients advance to 5mg CP-690,550 BID at Month 3 visit |
|
Placebo Sequence 2: Placebo Comparator |
Drug: Placebo Placebo patients advance to 10mg CP-690,550 BID at Month 3 visit |
Eligibility
Ages Eligible for Study: 18 Years and older
Genders Eligible for Study: Both
Accepts Healthy Volunteers: No
Criteria
Inclusion Criteria:
- The patient has a diagnosis of RA based upon the American College of Rheumatology (ACR) 1987 Revised Criteria.
- The patient has active disease at both Screening and Baseline, as defined by both: ≥6 joints tender or painful on motion; and ≥6 joints swollen; and fulfills 1 of the following 2 criteria at Screening: 1.ESR (Westergren method) >28 mm in the local laboratory. 2. CRP >7 mg/L in the central laboratory
- Patient had an inadequate response to at least one DMARD (traditional or biologic) due to lack of efficacy or toxicity.
- No evidence of active or latent or inadequately treated infection with Mycobacterium tuberculosis.
- Patient has washed out of all DMARDs other that antimalarials
White blood cell count <3.0 x 109/L; 3. Absolute neutrophil count <1.2 x 109/L; 4. Platelet count <100 x 109/L
Exclusion Criteria:
- Blood dyscrasias including confirmed: 1. Hemoglobin <9 g/dL or Hematocrit <30%; 2. White blood cell count <3.0 x 109/L; 3. Absolute neutrophil count <1.2 x 109/L; 4. Platelet count <100 x 109/L
- History of any other autoimmune rheumatic disease other than Sjogren's syndrome
- No malignancy or history of malignancy.
- History of infection requiring hospitalization, parenteral antimicrobial therapy, or as otherwise judged clinically significant by the investigator, within the 6 months prior to the first dose of study drug
This information is also available at www.clinicaltrials.gov Last updated September 29, 2009.
