Trial record 1 of 1 for:
A3921041
Long-Term, Open-Label Study Of CP-690,550 For Treatment Of Rheumatoid Arthritis In Japan
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00661661 |
Recruitment Status :
Completed
First Posted : April 18, 2008
Results First Posted : May 12, 2015
Last Update Posted : May 12, 2015
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Sponsor:
Pfizer
Information provided by (Responsible Party):
Pfizer
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Study Type | Interventional |
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Study Design | Allocation: N/A; Intervention Model: Single Group Assignment; Masking: None (Open Label); Primary Purpose: Treatment |
Condition |
Rheumatoid Arthritis |
Intervention |
Drug: CP-690,550 |
Enrollment | 487 |
Participant Flow
Recruitment Details | |
Pre-assignment Details | Participants received study drug (CP-690,550 or placebo) in the precedent study A3921039 (NCT00603512) for 12 weeks, A3921040 (NCT00687193) for 12 weeks, or A3921044 (NCT00847613) for 2 years. |
Arm/Group Title | CP-690,550 5 mg BID | CP-690,550 10 mg BID |
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Arm/Group Description | CP-690,550 5 milligram (mg) tablet orally twice daily (BID). After Week 12, the dose could be changed 5 mg BID or 10 mg BID based on investigator discretion. This study was continued until CP-690,550 was commercially supplied to participants at the sites. Participants who were exposed to 10 mg BID for less than 84 days in total within the current study (A3921041) were grouped into CP-690,550 5 mg BID. | CP-690,550 5 milligram (mg) tablet orally twice daily (BID). After Week 12, the dose could be changed 5 mg BID or 10 mg BID based on investigator discretion. This study was continued until CP-690,550 was commercially supplied to participants at the sites. Participants who were exposed to 10 mg BID for more than or equal to 84 days in total within the long-term safety study (A3921041) were grouped into CP-690,550 10 mg BID. |
Period Title: Overall Study | ||
Started | 382 | 105 |
Completed | 242 | 66 |
Not Completed | 140 | 39 |
Reason Not Completed | ||
Adverse Event | 99 | 24 |
Lack of Efficacy | 3 | 2 |
Lost to Follow-up | 0 | 1 |
Withdrawal by Subject | 15 | 5 |
Other | 22 | 7 |
Not assigned treatment | 1 | 0 |
Baseline Characteristics
Arm/Group Title | CP-690,550 5 mg BID | CP-690,550 10 mg BID | Total | |
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Arm/Group Description | CP-690,550 5 milligram (mg) tablet orally twice daily (BID). After Week 12, the dose could be changed 5 mg BID or 10 mg BID based on investigator discretion. This study was continued until CP-690,550 was commercially supplied to participants at the sites. Participants who were exposed to 10 mg BID for less than 84 days in total within the current study (A3921041) were grouped into CP-690,550 5 mg BID. | CP-690,550 5 milligram (mg) tablet orally twice daily (BID). After Week 12, the dose could be changed 5 mg BID or 10 mg BID based on investigator discretion. This study was continued until CP-690,550 was commercially supplied to participants at the sites. Participants who were exposed to 10 mg BID for more than or equal to 84 days in total within the long-term safety study (A3921041) were grouped into CP-690,550 10 mg BID. | Total of all reporting groups | |
Overall Number of Baseline Participants | 381 | 105 | 486 | |
Baseline Analysis Population Description |
[Not Specified]
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Age, Continuous
Mean (Standard Deviation) Unit of measure: Years |
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Number Analyzed | 381 participants | 105 participants | 486 participants | |
53.5 (11.2) | 49.3 (11.7) | 52.6 (11.4) | ||
Sex: Female, Male
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 381 participants | 105 participants | 486 participants | |
Female |
318 83.5%
|
86 81.9%
|
404 83.1%
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Male |
63 16.5%
|
19 18.1%
|
82 16.9%
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Outcome Measures
Adverse Events
Limitations and Caveats
[Not Specified]
More Information
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts
the PI's rights to discuss or publish trial results after the trial is completed.
Pfizer has the right to review disclosures, requesting a delay of less than 60 days. Investigator will postpone single center publications until after disclosure of pooled data (all sites), less than 12 months from study completion/termination at all participating sites. Investigator may not disclose previously undisclosed confidential information other than study results.
Results Point of Contact
Name/Title: | Pfizer ClinicalTrials.gov Call Center |
Organization: | Pfizer, Inc. |
Phone: | 1-800-718-1021 |
EMail: | ClinicalTrials.gov_Inquiries@pfizer.com |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Pfizer |
ClinicalTrials.gov Identifier: | NCT00661661 |
Other Study ID Numbers: |
A3921041 |
First Submitted: | February 7, 2008 |
First Posted: | April 18, 2008 |
Results First Submitted: | February 17, 2015 |
Results First Posted: | May 12, 2015 |
Last Update Posted: | May 12, 2015 |