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Zenas BioPharma Announces Upcoming Presentations of Orelabrutinib Data in Relapsing Remitting Multiple Sclerosis, Clinical Trial Designs in Progressive Multiple Sclerosis and Other Multiple Sclerosis Portfolio Data at MSToronto2026

$ZBIOPress releaseOct 7, 2026, 7:05 AM ETRead the release

Zenas BioPharma will present seven posters on orelabrutinib and obexelimab in multiple sclerosis at the 10th Joint ACTRIMS-ECTRIMS Meeting (MSToronto2026), October 21-23, 2026, in Toronto. The data include 24-week Phase 2 results for orelabrutinib and obexelimab in relapsing MS, plus designs of the Phase 3 Monarch (non-active SPMS) and PriMroSe (PPMS) trials of orelabrutinib. The company will also host an expert symposium on BTK inhibition in progressive MS.

Key figures

Drug Name
orelabrutinib; obexelimab
Phase Of Trial
Phase 2 (24-week data); Phase 3 trial designs (Monarch, PriMroSe)
Conference
MSToronto2026, October 21-23, 2026, Toronto
Poster count
7
Sunstone topline timing
4Q 2026
Obexelimab trials to date
9 trials, 667 subjects

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