Safety results of administering ocrelizumab per a shorter infusion protocol in patients with primary progressive and

Timothy L Vollmer1, Jeffrey A Cohen2, Enrique Alvarez1

  • 1Department of Neurology, Rocky Mountain Multiple Sclerosis Center at Anschutz Medical Campus, University of Colorado Denver, Denver, CO, USA.

Abstract

Insights

Shorter ocrelizumab infusions for multiple sclerosis (MS) are safe and effective. The SaROD study found similar infusion-related reaction rates compared to standard infusions, allowing for reduced administration times.

Area of Science:

  • Neurology
  • Immunology
  • Pharmacology

Background:

  • Ocrelizumab is an approved treatment for multiple sclerosis (MS).
  • Current administration involves lengthy infusions, impacting patient convenience.
  • The SaROD study aimed to assess shorter infusion durations.

Purpose of the Study:

  • To evaluate the safety and tolerability of shorter-duration ocrelizumab infusions.
  • To compare infusion-related reaction (IRR) rates between standard and shortened infusion protocols.
  • To assess the feasibility of reducing ocrelizumab infusion times.

Main Methods:

  • Phase IIIb open-label SaROD study.
  • Two cohorts received ocrelizumab infusions over reduced timeframes (approx. 2 hours or 1.5 hours).
  • Primary endpoint: Grade 3-4 infusion-related reactions (IRRs) in Cohort 1; secondary endpoints included all grades of IRRs.

Main Results:

  • Mean infusion times were reduced by approximately 1.09 hours (Cohort 1) and 0.79 hours (Cohort 2).
  • Infusion-related reactions occurred in 36% of patients and were mild-to-moderate.
  • No Grade 3-4 IRRs, discontinuations, serious adverse events, or new safety signals were observed.

Conclusions:

  • Shorter-duration ocrelizumab infusions are associated with an acceptable safety profile.
  • The rate of infusion-related reactions was comparable to pivotal Phase III trials.
  • Reduced infusion times are feasible without compromising patient safety in MS treatment.

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