# Korean Post-marketing Surveillance for Xeljanz XR

> clinical trial · VERIFIED · 2026-07-23

Status: RECRUITING · Sponsor: Pfizer · Condition: Active Moderate to Severe Rheumatoid Arthritis

- Company: Pfizer
- Sector: Active Moderate to Severe Rheumatoid Arthritis
- Primary source: https://clinicaltrials.gov/study/NCT04876781

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Source: MedFuel Intel news monitor. Verification tier: VERIFIED. Informational only, not investment advice. Corrections: media@medfuelinc.com.