Drug interactions
Atidarsagene autotemcel + Tenofovir disoproxil
Severity: Major
Atidarsagene autotemcel and Tenofovir disoproxil: major 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
Antiretrovirals can interfere with the manufacture of gene-modified autologous cell products by inhibiting lentiviral transduction. Tenofovir taken before and during cell collection may reduce the quality of the product.
What this interaction means in plain words
Atidarsagene autotemcel and Tenofovir disoproxil can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Antiretroviral inhibition of lentiviral vector transduction of harvested cells during manufacturing.
What to do
Stop antiretrovirals for at least one month, or longer for long-acting agents, before cell mobilization and until apheresis is complete. Coordinate with the HIV specialist on management of the interruption.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Atidarsagene autotemcel
Frequently asked questions
Can I take Atidarsagene autotemcel with Tenofovir disoproxil?
MediHelp rates the interaction as major. Atidarsagene autotemcel and Tenofovir disoproxil can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Antiretrovirals can interfere with the manufacture of gene-modified autologous cell products by inhibiting lentiviral transduction. Tenofovir taken before and during cell collection may reduce the quality of the product.
How serious is the interaction between Atidarsagene autotemcel and Tenofovir disoproxil?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Stop antiretrovirals for at least one month, or longer for long-acting agents, before cell mobilization and until apheresis is complete. Coordinate with the HIV specialist on management of the interruption.
What other medicines interact with Atidarsagene autotemcel?
MediHelp also lists interactions of Atidarsagene autotemcel with, for example, Didanosine, Dolutegravir, Efavirenz. The full list is on the Atidarsagene autotemcel page.
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