# Long-Term, Open-Label Study Of CP-690,550 For Treatment Of Rheumatoid Arthritis In Japan

> **NCT00661661** · PHASE3 · COMPLETED · sponsor: **Pfizer** · enrollment: 487 (actual)

## Conditions studied

- Rheumatoid Arthritis

## Interventions

- **DRUG:** CP-690,550

## Key facts

- **NCT ID:** NCT00661661
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-04
- **Primary completion:** 2013-12
- **Final completion:** 2013-12
- **Target enrollment:** 487 (ACTUAL)
- **Last updated:** 2015-05-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00661661

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00661661, "Long-Term, Open-Label Study Of CP-690,550 For Treatment Of Rheumatoid Arthritis In Japan". Retrieved via AI Analytics 2026-06-30 from https://api.ai-analytics.org/clinical/NCT00661661. Licensed CC0.

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