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A Phase 3, Randomized, Double-blind, Efficacy and Safety Study Comparing Orelabrutinib to Placebo in Patients With Primary Progressive Multiple Sclerosis

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-524316-11-00
Enrollment
126
Registered
2026-05-18
Start date
Unknown
Completion date
Unknown
Last updated
2026-05-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary Progressive Multiple Sclerosis (PPMS)

Brief summary

1. Time to onset of composite confirmed disability progression (cCDP) events, confirmed over at least 12 weeks (12-week cCDP), defined as follows: ­ * Expanded Disability Status Scale (EDSS) score increase ≥ 1.0 point from baseline when the baseline score is ≤ 5.0, or ≥ 0.5 points from baseline when the baseline score is > 5.0, OR, * ≥ 20% increase in the Timed 25-Foot Walk Test (T25FWT), OR ­* ≥ 20% increase in the 9-Hole Peg Test (9HPT)

Interventions

Sponsors

Zenas Biopharma (USA) LLC
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
1. Time to onset of composite confirmed disability progression (cCDP) events, confirmed over at least 12 weeks (12-week cCDP), defined as follows: ­ * Expanded Disability Status Scale (EDSS) score increase ≥ 1.0 point from baseline when the baseline score is ≤ 5.0, or ≥ 0.5 points from baseline when the baseline score is > 5.0, OR, * ≥ 20% increase in the Timed 25-Foot Walk Test (T25FWT), OR ­* ≥ 20% increase in the 9-Hole Peg Test (9HPT)

Outcome results

None listed

Source: EU CTIS · Data processed: May 20, 2026