Drug interactions
Obinutuzumab + Ropeginterferon alfa 2b
Severity: Moderate
Obinutuzumab and Ropeginterferon alfa 2b: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both drugs can cause myelosuppression, notably neutropenia and thrombocytopenia. Together they may lead to more severe cytopenias and infection risk.
What this interaction means in plain words
Obinutuzumab and Ropeginterferon alfa 2b can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive bone marrow suppression.
What to do
Monitor complete blood counts closely during combined use. Reduce or hold ropeginterferon, or delay obinutuzumab, if significant cytopenias occur.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Obinutuzumab
Frequently asked questions
Can I take Obinutuzumab with Ropeginterferon alfa 2b?
MediHelp rates the interaction as moderate. Obinutuzumab and Ropeginterferon alfa 2b can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both drugs can cause myelosuppression, notably neutropenia and thrombocytopenia. Together they may lead to more severe cytopenias and infection risk.
How serious is the interaction between Obinutuzumab and Ropeginterferon alfa 2b?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor complete blood counts closely during combined use. Reduce or hold ropeginterferon, or delay obinutuzumab, if significant cytopenias occur.
What other medicines interact with Obinutuzumab?
MediHelp also lists interactions of Obinutuzumab with, for example, Measles mumps and rubella vaccine, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel. The full list is on the Obinutuzumab page.
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