Drug interactions
Apalutamide + Ropivacaine
Severity: Minor
Apalutamide and Ropivacaine: 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
Apalutamide induces CYP3A4 and CYP1A2, and ropivacaine is mainly metabolized by CYP1A2 with a minor CYP3A4 contribution. Systemic exposure may be lowered, but a clinically significant loss of local anesthetic effect is unlikely with single-dose use.
What this interaction means in plain words
Apalutamide and Ropivacaine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Apalutamide belongs to Endocrine; Ropivacaine belongs to Central Nervous System.
Why it happens
Enzyme induction by apalutamide may increase ropivacaine clearance.
What to do
No dose change is generally needed; assess block adequacy and consider supplementation if the effect is inadequate.
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 Ropivacaine
- Bupivacaine implant + Ropivacaine Major
- Bupivacaine liposome + Ropivacaine Major
- Amlodipine-benazepril + Ropivacaine Moderate
- Benazepril + Ropivacaine Moderate
- Captopril-hydrochlorothiazide + Ropivacaine Moderate
- Captopril + Ropivacaine Moderate
Other interactions of Apalutamide
- Apalutamide + Cabotegravir Contraindicated
- Apalutamide + Cobicistat Contraindicated
- Apalutamide + Doravirine Contraindicated
- Apalutamide + Elbasvir / grazoprevir Contraindicated
- Apalutamide + Ensitrelvir Contraindicated
- Apalutamide + Fostemsavir Contraindicated
Frequently asked questions
Can I take Apalutamide with Ropivacaine?
MediHelp rates the interaction as minor. Apalutamide and Ropivacaine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Apalutamide induces CYP3A4 and CYP1A2, and ropivacaine is mainly metabolized by CYP1A2 with a minor CYP3A4 contribution. Systemic exposure may be lowered, but a clinically significant loss of local anesthetic effect is unlikely with single-dose use.
How serious is the interaction between Apalutamide and Ropivacaine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is generally needed; assess block adequacy and consider supplementation if the effect is inadequate.
What other medicines interact with Ropivacaine?
MediHelp also lists interactions of Ropivacaine with, for example, Bupivacaine implant, Bupivacaine liposome, Amlodipine-benazepril. The full list is on the Ropivacaine page.
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