Clinical trial Recruiting at 1 site Phase 3 Interventional Ages 18 to 55

Comparing CT-P53 and Ocrevus for treating relapsing-remitting multiple sclerosis

Official title: A Double-blind, Randomized, Active-controlled, Parallel Group, Phase 1/3 Study to Compare Efficacy, Pharmacokinetics, Pharmacodynamics and Safety of CT-P53 and Ocrevus in Patients With Relapsing-remitting Multiple Sclerosis

Run by Celltrion · NCT05906992 · Data updated 2026-11-12

This study is testing if a new treatment called CT-P53 works as well and is as safe as Ocrevus for people with relapsing-remitting multiple sclerosis.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 55 Years
SexAll
Enrollment512 (estimated)
SponsorCelltrion
Industry-sponsored
Drugs / interventionsocrelizumab
Locations1 site (Poznan)
StatusRecruiting
StartedJanuary 11, 2024
Main results expectedFebruary 2027
Study endsJanuary 2029
Registry record updatedMay 22, 2024
Trial IDNCT05906992 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are patients diagnosed with relapsing-remitting multiple sclerosis who meet specific inclusion criteria and have neurological stability.

Probably not a fit

Patients with primary or secondary progressive multiple sclerosis or those with a long history of MS may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 3 clinical trial is designed to compare the efficacy, pharmacokinetics, pharmacodynamics, and safety of CT-P53, a proposed biosimilar to Ocrevus, in patients with relapsing-remitting multiple sclerosis. The study employs a double-blind, randomized, active-controlled, parallel group design to ensure robust results. Participants will receive either CT-P53 or Ocrevus, and their responses will be closely monitored to assess treatment outcomes. The goal is to demonstrate that CT-P53 is as effective and safe as Ocrevus for this patient population.

Why it matters

Potential benefit: If successful, this study could provide patients with a more affordable treatment option for relapsing-remitting multiple sclerosis.

How similar studies have gone: Other studies have shown success with biosimilars in similar contexts, indicating a promising approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patient diagnosed as multiple sclerosis (MS) in accordance with the revised McDonald criteria.
* Patient has evidence of recent MS activity as defined in the study protocol
* Patient has neurological stability for ≥30 days.
* Patient with 0 to 6.0 (both inclusive) on the EDSS score.

Exclusion Criteria:

* Patient diagnosed with primary or secondary progressive MS.
* Patient diagnosed with MS for more than 15 years duration with an EDSS score ≤2.0 at Screening.
* Patient unable to complete or has a contraindication to an MRI
* Patient with contraindications and/or severe hypersensitivity to corticosteroids including methylprednisolone or any of the excipients of study drug or etcs defined in the study protocol.
* Patient who has currently or history of any of medical conditions described in the study protocol.
* Patients who have received or going to receive any of prohibited medications or treatments defined in the study protocol.

Where it's running

  • CT-P53 3.1 investigational site
    Poznan, Poland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.