TrialBridgeNCT07299019
A Study of Orelabrutinib in Patients With Secondary Progressive Multiple Sclerosis
Recruiting · Phase 3 · Zenas BioPharma (USA), LLC · registry updated 2026-11-12
Inclusion and exclusion lines below are quoted from ClinicalTrials.gov. No match score is shown, because a score needs a person's age, biomarkers, and treatment dates. Confirm the record with the study team.
Orelabrutinib is a CNS-penetrable BTK inhibitor. This is a phase 3, randomized, double-blind, parallel-group, multicenter study to evaluate the efficacy and safety of orelabrutinib compared with placebo in patients with non-active Secondary Progress MS. Patients will be treated for approximately 24 to 60 months, with a minimum treatment duration of 12 months. The study will enroll approximately 990 subjects in a 2:1 randomization (orelabrutinib: placebo), globally.
Inclusion
- to 60 years of age, inclusive, at the time of signing the informed consent.
- Participant must have a previous diagnosis of RRMS in accordance with 2024 McDonald criteria
- Participant must have a current diagnosis of SPMS in accordance with the clinical course criteria revised in 2013
- Participant must have documented evidence of disability progression independent of clinical relapse observed during the 24 months before screening. A written summary of the clinical evidence of disability progression must be discussed and aligned between the Investigator and the Sponsor's dedicated qualified person(s).
- Absence of clinical relapses for at least 24 months.
Exclusion
- The patient has been diagnosed with primary progressive MS (PPMS) according to 2024 McDonald diagnostic criteria
- Immunologic disorder other than MS or any other conditions requiring corticosteroid therapy.
- History or current diagnosis of other neurological disorders that may mimic MS
- History or current diagnosis of progressive multifocal leukoencephalopathy
- Active, clinically significant viral, bacterial, or fungal infection
- History of any other significant active medical condition