Infusion-related reactions and premedication patterns in ublituximab-treated multiple sclerosis patients: a multicenter real-world study - Scorecard - MDSpire

Infusion-related reactions and premedication patterns in ublituximab-treated multiple sclerosis patients: a multicenter real-world study

  • By

  • Anas Z. Nourelden

  • Parker R. Scott

  • Sam I. Hooshmand

  • Izabela Mazur

  • Felicia Mada

  • Tesiley Ash

  • Nidhi Patel

  • Jacob Rube

  • Kalyan Yarraguntla

  • Carey Deluca

  • Patti Yager-Stone

  • Ryan Havens

  • Mitchell Wallin

  • Anza B. Memon

  • July 16, 2026

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Clinical Scorecard: Characterization of Infusion-Related Reactions and Premedication Practices in Multiple Sclerosis Patients Treated with Ublituximab: A Multicenter Real-World Analysis

At a Glance

CategoryDetail
ConditionMultiple Sclerosis
Key MechanismsUblituximab is a glycoengineered anti-CD20 monoclonal antibody that reduces MS relapses and is associated with infusion-related reactions (IRRs).
Target PopulationPatients with multiple sclerosis (MS) treated with ublituximab.
Care SettingMulticenter real-world clinical practice.

Key Highlights

  • 34.8% of patients experienced mild to moderate IRRs.
  • All patients received premedication prior to ublituximab infusion.
  • Acetaminophen dosage was significantly associated with IRR occurrence.
  • IRRs were more common at the first infusion, with a decline in subsequent infusions.
  • No independent predictors of IRRs were identified.

Guideline-Based Recommendations

Diagnosis

  • Patients diagnosed with any subtype of multiple sclerosis.

Management

  • Ublituximab infusions should be administered with premedication to mitigate IRRs.

Monitoring & Follow-up

  • Monitor for IRRs during and after ublituximab infusion.

Risks

  • Risk of infusion-related reactions, particularly during the first infusion.

Patient & Prescribing Data

Patients with multiple sclerosis receiving ublituximab.

Premedication practices vary across centers; acetaminophen is a key component associated with IRR occurrence.

Clinical Best Practices

  • Administer premedication including antihistamines and corticosteroids before ublituximab infusion.
  • Monitor patients closely for IRRs, especially during the first infusion.

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