Drug interactions
Flutamide + Gallium ga 68 psma-11
Severity: Minor
Flutamide 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
Antiandrogen therapy can change PSMA expression in prostate cancer cells, which may alter tracer uptake and image interpretation. The direction and size of the effect are not firmly established.
What this interaction means in plain words
Flutamide 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 blockade may modulate PSMA expression and tracer uptake; the exact mechanism is not firmly established.
What to do
Tell the nuclear medicine physician about current antiandrogen therapy so scans are interpreted in context. Compare with prior imaging done under similar treatment conditions where possible.
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 Flutamide
Frequently asked questions
Can I take Flutamide with Gallium ga 68 psma-11?
MediHelp rates the interaction as minor. Flutamide 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. Antiandrogen therapy can change PSMA expression in prostate cancer cells, which may alter tracer uptake and image interpretation. The direction and size of the effect are not firmly established.
How serious is the interaction between Flutamide 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 physician about current antiandrogen therapy so scans are interpreted in context. Compare with prior imaging done under similar treatment conditions where possible.
What other medicines interact with Flutamide?
MediHelp also lists interactions of Flutamide with, for example, Idelalisib, Levoketoconazole, Pexidartinib. The full list is on the Flutamide page.
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