Celltrion Files Phase 3 Trial Plan for CT-P13 SC in Rheumatoid Arthritis, Expanding Indications Beyond Inflammatory Bowel Disease


  • Celltrion has submitted a Phase 3 clinical trial plan to the Korean Ministry of Food and Drug Safety for CT-P13 SC subcutaneous injection to expand its indication to rheumatoid arthritis.
  • This trial aims to broaden the therapeutic scope of CT-P13 SC, which is already approved for inflammatory bowel diseases, to rheumatoid arthritis patients.
  • The study enrolls 296 patients over 52 weeks, with the primary endpoint of demonstrating superiority over placebo in ACR50 response rate at week 12.
  • Investors should note that the statistical probability of a clinical trial drug receiving final marketing approval is approximately 10%, as disclosed.
  • [AI Summary]Celltrion's CT-P13 SC is already commercialized for ulcerative colitis and Crohn's disease; this RA trial is an attempt to secure additional growth through indication expansion. However, given the inherent uncertainty and low approval probability, near-term stock price impact is likely limited, and long-term value creation hinges on trial outcomes.

KOSPI Filing Information


  • Material Information Regarding Investment Decision (Application for Korean Phase 3 Clinical Trial Plan for CTP13 SC (Zimpentra) for Rheumatoid Arthritis Patients)
  • Company: Celltrion (068270)
  • Submission: Celltrion, Inc.
  • Under KRX KOSPI Market Division

  • Shares: 232,553,706
  • Price: 172,200 KRW
  • Market Cap: 40,045.7 B KRW