Drug interactions
Leflunomide + Sipuleucel-t
Severity: Moderate
Leflunomide and Sipuleucel-t: 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
Leflunomide may blunt the immune activation that sipuleucel-T depends on. This could reduce its therapeutic benefit.
What this interaction means in plain words
Leflunomide and Sipuleucel-t 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
Leflunomide's immunosuppressive effect opposes the immune stimulation of sipuleucel-T.
What to do
Avoid concurrent immunosuppressants around sipuleucel-T treatment where possible. Consider whether leflunomide can be withheld during the treatment course.
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 Leflunomide
- Bcg vaccine live + Leflunomide Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Leflunomide Contraindicated
- Leflunomide + Measles mumps and rubella vaccine live Contraindicated
- Leflunomide + Measles mumps rubella and varicella vaccine live Contraindicated
- Leflunomide + Measles vaccine Contraindicated
- Leflunomide + Smallpox vaccine live Contraindicated
Frequently asked questions
Can I take Leflunomide with Sipuleucel-t?
MediHelp rates the interaction as moderate. Leflunomide and Sipuleucel-t 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. Leflunomide may blunt the immune activation that sipuleucel-T depends on. This could reduce its therapeutic benefit.
How serious is the interaction between Leflunomide and Sipuleucel-t?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent immunosuppressants around sipuleucel-T treatment where possible. Consider whether leflunomide can be withheld during the treatment course.
What other medicines interact with Leflunomide?
MediHelp also lists interactions of Leflunomide with, for example, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal, Measles mumps and rubella vaccine live. The full list is on the Leflunomide page.
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