Does Alemtuzumab Interact with Ozanimod Hydrochloride?
Alemtuzumab and Ozanimod Hydrochloride have a contraindicated drug interaction according to U.S. FDA drug labeling data. Initiating ZEPOSIA after alemtuzumab is not recommended due to prolonged and characteristic immune suppressive effects of alemtuzumab. The mechanism involves additive immunosuppressive effects. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Contraindicated
- Alemtuzumab Class
- CD52-directed Cytolytic Antibody
- Management
- Do not take together
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Alemtuzumab and Ozanimod Hydrochloride occurs because additive immunosuppressive effects. Clinically, this means initiating zeposia after alemtuzumab is not recommended due to prolonged and characteristic immune suppressive effects of alemtuzumab. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.
What To Tell Your Doctor or Pharmacist
If you are taking Alemtuzumab and your doctor is considering prescribing Ozanimod Hydrochloride (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask about alternative medications that do not interact with your current regimen
- Ask how frequently you should be monitored while these are co-prescribed
- Never stop or change either medication without first consulting your healthcare provider