Drug interactions
Pemetrexed + Sipuleucel-t
Severity: Minor
Pemetrexed and Sipuleucel-t: minor 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 is an autologous cellular immunotherapy that relies on a functioning immune system, and cytotoxic chemotherapy may blunt the immune response it is meant to generate. Pemetrexed is myelosuppressive and could impair leukapheresis cell collection or the immune response after infusion. The magnitude of any effect is not well defined.
What this interaction means in plain words
Pemetrexed and Sipuleucel-t have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Myelosuppressive and immunosuppressive effects of the antimetabolite may reduce the immune activation produced by sipuleucel-T.
What to do
Where possible, avoid chemotherapy during the weeks around leukapheresis and sipuleucel-T infusions, and review blood counts before collection.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Pemetrexed
Frequently asked questions
Can I take Pemetrexed with Sipuleucel-t?
MediHelp rates the interaction as minor. Pemetrexed and Sipuleucel-t have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sipuleucel-T is an autologous cellular immunotherapy that relies on a functioning immune system, and cytotoxic chemotherapy may blunt the immune response it is meant to generate. Pemetrexed is myelosuppressive and could impair leukapheresis cell collection or the immune response after infusion. The magnitude of any effect is not well defined.
How serious is the interaction between Pemetrexed and Sipuleucel-t?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Where possible, avoid chemotherapy during the weeks around leukapheresis and sipuleucel-T infusions, and review blood counts before collection.
What other medicines interact with Pemetrexed?
MediHelp also lists interactions of Pemetrexed with, for example, Bacitracin, Brexucabtagene autoleucel, Celecoxib. The full list is on the Pemetrexed page.
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