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Taking peoplePhase 3

Tests orelabrutinib against placebo in secondary progressive multiple sclerosis

Tests orelabrutinib, compared with placebo, in adults with non-active secondary progressive multiple sclerosis.

Plain-language title generated from the registry record
Registry title: A Study of Orelabrutinib in Patients With Secondary Progressive Multiple Sclerosis

Key facts

Where
Gistrup and Viborg, DenmarkSee the 2 sites
Phase
Phase 3

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 18 and 60 years old?
  • Which type of multiple sclerosis (MS) has your doctor told you that you have?
  • In the past 2 years, have you had a relapse (a flare-up of new or worse MS symptoms)?
  • Do you have another disease of the immune system, or a long-term infection such as hepatitis B, hepatitis C or HIV?
  • Have you ever had cancer?

Source: NCT07299019, who can take part

Where in Denmark

  • Aalborg University HospitalGistrup, DenmarkNot yet recruiting
  • Region MidtjyllandViborg, DenmarkNot yet recruiting

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Zenas BioPharma (USA), LLC
Trial code
NCT07299019EU 2025-524322-18-00
Record updated
4 November 2026
Original description
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.Read full original descriptionShow less

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

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: 18 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: History of suicidal behavior within 6 months prior to Screening; Patients on anticoagulation, or antiplatelet therapy; Patients took strong/moderate CYP3A inhibitors or strong/moderate CYP3A inducers within 14 days; Vaccination with live or live-attenuated virus vaccine within 1 month prior to Screening; History of alcohol abuse or alcohol use disorder or other drug abuse within 12 months prior to screening; Immunologic disorder other than MS or any other conditions requiring corticosteroid therapy; History or current diagnosis of other neurological disorders that may mimic MS; Active, clinically significant viral, bacterial, or fungal infection; History of any other significant active medical condition; Any prior history of malignancy; Clinically significant laboratory abnormalities at Screening; The patient has been diagnosed with primary progressive MS (PPMS) according to 2024 McDonald diagnostic criteria; History or current diagnosis of progressive multifocal leukoencephalopathy.

ClinicalTrials.gov NCT07299019 · EU CTIS 2025-524322-18-00