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    Orelabrutinib (BTK Inhibitor) for Multiple Sclerosis; New Rights Deal & Expected Trial Push

    October 2025
    6 min read
    Orelabrutinib BTK Inhibitor for Multiple Sclerosis

    What Happened

    In October 2025, Zenas Biopharma acquired global rights to develop Orelabrutinib for MS and other indications.

    Why It Matters

    Orelabrutinib is a BTK-inhibitor, part of the newer generation of immunomodulatory therapies aiming to treat MS more precisely than older immunosuppressants. With Zenas now holding global rights, a global development push is likely; meaning potential Phase 2/3 trials soon. For Kitsa, this signals a pipeline renewal in neuro-immunology.

    BTK Inhibitor Mechanism

    What to Watch

    As development expands, expect:

    • IND filings
    • Multi-site trials (possibly including international sites)
    • Opportunities for patient recruitment networks
    • Need for robust trial-management frameworks

    This could be a high-visibility MS program worth tracking.