Drug interactions
Apalutamide + Gallium ga 68 psma-11
Severity: Minor
Apalutamide and Gallium ga 68 psma-11: 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
Androgen receptor pathway inhibitors can alter PSMA expression in prostate cancer, which may change tracer uptake and affect PET interpretation. The direction and size of the effect are not well defined.
What this interaction means in plain words
Apalutamide and Gallium ga 68 psma-11 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
Androgen receptor inhibition may modulate PSMA expression in tumor tissue; this is a pharmacodynamic imaging effect.
What to do
Tell the nuclear medicine team about current and recent apalutamide therapy and interpret scan findings with treatment timing in mind.
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 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 Gallium ga 68 psma-11?
MediHelp rates the interaction as minor. Apalutamide and Gallium ga 68 psma-11 have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Androgen receptor pathway inhibitors can alter PSMA expression in prostate cancer, which may change tracer uptake and affect PET interpretation. The direction and size of the effect are not well defined.
How serious is the interaction between Apalutamide and Gallium ga 68 psma-11?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Tell the nuclear medicine team about current and recent apalutamide therapy and interpret scan findings with treatment timing in mind.
What other medicines interact with Apalutamide?
MediHelp also lists interactions of Apalutamide with, for example, Cabotegravir, Cobicistat, Doravirine. The full list is on the Apalutamide page.
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