Skip to content

Drug interactions

Methotrexate + Sipuleucel-t

Severity: Moderate

Methotrexate 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

Sipuleucel-T depends on the patient's own immune cells mounting an antitumor response. Immunosuppressive agents such as methotrexate may blunt that response and reduce the benefit of the product.

What this interaction means in plain words

Methotrexate 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.

Evidence level: Low

Why it happens

Methotrexate's immunosuppressive and antiproliferative actions may impair antigen-presenting cell activation and T-cell response to sipuleucel-T.

What to do

Avoid giving immunosuppressive doses of methotrexate around leukapheresis and infusions where possible. If it cannot be avoided, discuss the expected loss of benefit with the oncology team.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Methotrexate and Sipuleucel-t, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Methotrexate with Sipuleucel-t?

MediHelp rates the interaction as moderate. Methotrexate 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. Sipuleucel-T depends on the patient's own immune cells mounting an antitumor response. Immunosuppressive agents such as methotrexate may blunt that response and reduce the benefit of the product.

How serious is the interaction between Methotrexate 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 giving immunosuppressive doses of methotrexate around leukapheresis and infusions where possible. If it cannot be avoided, discuss the expected loss of benefit with the oncology team.

What other medicines interact with Methotrexate?

MediHelp also lists interactions of Methotrexate with, for example, Acitretin, Adenovirus types 4 and 7 live, Influenza virus vaccine quadrivalent intranasal. The full list is on the Methotrexate page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in