Drug interactions
Efavirenz + Lovotibeglogene autotemcel
Severity: Major
Efavirenz and Lovotibeglogene autotemcel: 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 manufacturing of lovotibeglogene autotemcel because the vector is lentiviral and can be inhibited by reverse transcriptase inhibitors. Efavirenz must therefore be stopped well ahead of stem cell mobilization and apheresis.
What this interaction means in plain words
Efavirenz and Lovotibeglogene autotemcel 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 activity inhibits lentiviral vector transduction of the harvested cells during manufacturing.
What to do
Discontinue efavirenz at least one month before mobilization and keep it off until all apheresis cycles are finished, with HIV management planned with the specialist team.
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 Efavirenz
- Cobimetinib + Efavirenz Contraindicated
- Dienogest / estradiol valerate + Efavirenz Contraindicated
- Dihydroergotamine intranasal + Efavirenz Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Doravirine + Efavirenz Contraindicated
- Efavirenz + Elbasvir / grazoprevir Contraindicated
Frequently asked questions
Can I take Efavirenz with Lovotibeglogene autotemcel?
MediHelp rates the interaction as major. Efavirenz and Lovotibeglogene autotemcel 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 manufacturing of lovotibeglogene autotemcel because the vector is lentiviral and can be inhibited by reverse transcriptase inhibitors. Efavirenz must therefore be stopped well ahead of stem cell mobilization and apheresis.
How serious is the interaction between Efavirenz and Lovotibeglogene autotemcel?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Discontinue efavirenz at least one month before mobilization and keep it off until all apheresis cycles are finished, with HIV management planned with the specialist team.
What other medicines interact with Efavirenz?
MediHelp also lists interactions of Efavirenz with, for example, Cobimetinib, Dienogest / estradiol valerate, Dihydroergotamine intranasal. The full list is on the Efavirenz page.
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