CJ Bioscience: Key Pipeline CJRB-101 Clinical Trial Terminated Early, Q1 Losses Continue


  • Immuno-oncology drug CJRB-101, Phase 1/2 clinical trial in US/Korea terminated early (2026.05.12). Phase 2 not proceeding; only ongoing patients continue on humanitarian basis.
  • Q1 2026 revenue: KRW 0.78bn (down 14% YoY from KRW 0.91bn), operating loss KRW 5.34bn, net loss KRW 5.13bn.
  • R&D expense KRW 3.33bn (425.6% of revenue); accumulated deficit KRW 148.5bn vs equity KRW 48.1bn.
  • Cash and cash equivalents KRW 2.13bn, short-term financial assets KRW 42bn; net cash position KRW 36.6bn. No debt ratio (net cash).
  • No dividends. Largest shareholder CJ CheilJedang holds 61.9%.
  • CJRB-201 (IBD) remains in preclinical stage.

KOSDAQ Filing Information


  • Filing: Quarterly Report (2026.03)
  • Company: CJ Bioscience (311690)
  • Submission: CJ Bioscience
  • Receipt: 05-15-2026