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

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

Phase 3 Interventional Celltrion · NCT05906992

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
Enrollment512 (estimated)
Ages18 Years to 55 Years
SexAll
SponsorCelltrion Industry-sponsored
Drugs / interventionsocrelizumab
Locations1 site (Poznan)
Trial IDNCT05906992 on ClinicalTrials.gov

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.

Who should consider this trial

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

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.

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

Eligibility criteria

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 this trial is running

Poznan

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Relapsing-remitting Multiple Sclerosis
Last reviewed 2026-06-09 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.