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Source document· May 28, 2026

Zenas BioPharma Announces Submission of Biologics License Application (BLA) to U.S. FDA for Obexelimab in IgG4-RD

View original at globenewswire.com
Zenas BioPharma Announces Submission of Biologics License Application (BLA) to U.S. FDA for Obexelimab in IgG4-RD - BLA submission based on positive results from Phase 3 INDIGO trial - WALTHAM, Mass., May 28, 2026 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc…
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  • ZB021 is a novel, potentially best-in-class, oral small molecule IL-17AA/AF inhibitor

    60% confidence
  • ZB022 is a preclinical, potentially best-in-class, oral, brain-penetrant, TYK2 inhibitor

    60% confidence
  • Zenas expects to report topline SLE Phase 2 trial results, including biomarker data, in the fourth quarter of 2026

    60% confidence
  • Obexelimab met and demonstrated highly statistically significant activity compared to placebo on all four key secondary endpoints in INDIGO and was generally well tolerated

    60% confidence
  • Obexelimab demonstrated a highly statistically significant and clinically meaningful 56% reduction in the risk of IgG4-RD flare compared to placebo (Hazard Ratio 0.44, p=0.0005) during the 52-week randomized placebo-controlled period of INDIGO

    60% confidence
  • The BLA submission brings Zenas one step closer to delivering a meaningful treatment option to patients living with IgG4-RD; based on INDIGO clinical activity and safety profile, obexelimab may have an important role as a first-line therapy in long-term management of IgG4-RD

    60% confidence
  • Obexelimab has been evaluated in eight clinical trials in a total of 383 subjects, including INDIGO, and was well tolerated with demonstrated clinical activity across all trials

    60% confidence
  • The INDIGO open label extension will further build upon the largest body of clinical data reported for IgG4-RD patients to date

    60% confidence
  • Orelabrutinib is a potentially best-in-class, highly selective CNS-penetrant, oral, small molecule BTK inhibitor that targets pathogenic B cells in both the periphery and CNS, and directly modulates macrophages and microglial cells, with potential to address compartmentalized inflammation and disease progression in MS

    60% confidence
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Q4 2026 Biopharma Catalyst Cluster: Late-Stage Readouts and Regulatory Milestones
October 2026 brings a dense run of Phase 3 wins (ALOFT-IPF, RESTORE-3), new data presentations (Roche, Bayer, Lilly, Vertex, Galderma) and regulatory steps (FDA acceptance of Roche's vamikibart BLA, Scholar Rock's EMA resubmission). The next big catalyst is the ivonescimab FDA PDUFA date on 2026-11-14. Obesity combination studies (REDEFINE 4, TOGETHER-PsO) and the 2027 Maritime-1 completion point to more catalysts ahead. QAIAx's speculative AI-linked trial claims (the QIII pilot, targeted for 2027) are an unrelated micro-cap sideshow with weak evidence, and have little in common with the large-cap pipeline news.
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EPKINLY Regulatory-Clinical Success Cascade
High probability of expanded label indications, additional combination approvals, and competitive positioning strength in follicular lymphoma market. Predicts positive commercial uptake and potential accelerated review for related indications.
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ING Group
Both facts record the same metric (shares_outstanding) for ING Group at the identical observation date (2025-12-31). FACT A states 2,902,437,688 shares; FACT B states 2,902 million shares (2,902,000,000). The difference is 437,688 shares (~0.015%). This is a genuine value conflict, though the discrepancy appears to result from FACT B rounding to the nearest million while FACT A provides the precise count.
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Zenas BioPharma Announces Submission of Biologics License Application (BLA) to U.S. FDA for Obexelimab in IgG4-RD — Source | Via News | Finance Via News