Bio-Thera Solutions Secures Singapore Approval for BAT2206, Biosimilar to J&J’s Stelara, Expanding Access Across Multiple Autoimmune Indications

Bio-Thera Solutions Ltd. (SHA: 688177) announced it has received marketing approval from Singapore’s Health Sciences Authority for BAT2206, a biosimilar to Johnson & Johnson’s blockbuster autoimmune therapy Stelara (ustekinumab), significantly broadening treatment access across multiple inflammatory conditions in both adult and pediatric populations.

Regulatory Milestone

ItemDetail
CompanyBio-Thera Solutions Ltd. (SHA: 688177)
ProductBAT2206 (ustekinumab biosimilar)
Reference ProductStelara (J&J/Janssen)
Regulatory AuthoritySingapore Health Sciences Authority
Approval Date11 Jun 2026
Indications ApprovedAdult: Moderate-to-severe plaque psoriasis (PsO), active psoriatic arthritis (PsA), moderate-to-severe active Crohn’s disease (CD)
Pediatric: Moderate-to-severe plaque psoriasis (PsO), moderate-to-severe active Crohn’s disease (CD)

Drug Profile & Mechanism of Action

  • Molecule: Fully human monoclonal antibody (biosimilar to ustekinumab)
  • Target: p40 subunit shared by interleukin-12 (IL-12) and interleukin-23 (IL-23)
  • Mechanism: High-affinity binding to p40 subunit blocks interaction with cell surface receptors, disrupting IL-12- and IL-23-mediated signaling pathways critical in inflammatory and immune responses
  • Therapeutic Class: Immunomodulator targeting key cytokines in autoimmune disease pathogenesis

BAT2206 represents Bio-Thera’s strategic entry into the high-value biologics market for chronic inflammatory diseases. By targeting the shared p40 subunit of IL-12 and IL-23—cytokines that drive inflammation in multiple autoimmune conditions—the biosimilar offers a comprehensive therapeutic approach across diverse patient populations.

Market Impact & Commercial Strategy

  • Singapore Market Opportunity: Estimated 15,000-20,000 patients across approved indications with limited biosimilar competition in the IL-12/23 inhibitor class
  • Pricing Advantage: Expected to be priced 25-35% below originator Stelara, aligning with typical biosimilar discount ranges in developed Asian markets
  • Global Expansion: Singapore approval serves as a regulatory gateway for broader ASEAN market access, with submissions planned in Malaysia, Thailand, and Indonesia by Q4 2026
  • Competitive Landscape: First ustekinumab biosimilar approved in Singapore; competes against J&J’s originator and emerging biosimilars from Celltrion and Samsung Bioepis in other markets
  • Revenue Projection: Bio-Thera forecasts SGD 45-60 million (USD 33-44 million) in annual peak sales across Southeast Asia, representing approximately 8-12% of the company’s projected 2028 revenue

The approval positions Bio-Thera as a leading Chinese biopharmaceutical exporter in the global biosimilars space, leveraging Singapore’s reputation as a regulatory benchmark for the broader Asia-Pacific region.

Forward‑Looking Statements
This brief contains forward-looking statements regarding regulatory approvals, market opportunities, and commercial projections. Actual results may differ due to competitive dynamics, pricing pressures, and regulatory developments in target markets.-Fineline Info & Tech