# Study Evaluating the Safety and Efficacy of Enbrel (Etanercept) in Japan

> **NCT00503139** · — · COMPLETED · sponsor: **Pfizer** · enrollment: 684 (actual)

## Conditions studied

- Rheumatoid Arthritis

## Interventions

- **DRUG:** Enbrel (etanercept)

## Key facts

- **NCT ID:** NCT00503139
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-07
- **Primary completion:** 2013-04
- **Final completion:** 2013-04
- **Target enrollment:** 684 (ACTUAL)
- **Last updated:** 2017-02-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00503139

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00503139, "Study Evaluating the Safety and Efficacy of Enbrel (Etanercept) in Japan". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00503139. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
