# Japan Post-Marketing Surveillance for Peficitinib to Assess Safety and Effectiveness in the Patients With Rheumatoid Arthritis

> **NCT03971253** · — · RECRUITING · sponsor: **Astellas Pharma Inc** · enrollment: 3000 (estimated)

## Conditions studied

- Rheumatoid Arthritis (RA)

## Interventions

- **DRUG:** Peficitinib

## Key facts

- **NCT ID:** NCT03971253
- **Lead sponsor:** Astellas Pharma Inc
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2019-09-02
- **Primary completion:** 2026-05-31
- **Final completion:** 2026-05-31
- **Target enrollment:** 3000 (ESTIMATED)
- **Last updated:** 2026-05-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03971253

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03971253, "Japan Post-Marketing Surveillance for Peficitinib to Assess Safety and Effectiveness in the Patients With Rheumatoid Arthritis". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT03971253. Licensed CC0.

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