Drug interactions
Denosumab + Natalizumab
Severity: Moderate
Denosumab and Natalizumab: moderate 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
Denosumab has been associated with serious infections, and natalizumab increases the risk of opportunistic infection including progressive multifocal leukoencephalopathy. Using them together may add to the overall infection burden, particularly in patients who are already immunocompromised.
What this interaction means in plain words
Denosumab and Natalizumab can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Denosumab belongs to Oncology; Natalizumab belongs to Gastrointestinal Tract.
Why it happens
Additive immune modulation: natalizumab blocks leukocyte trafficking and denosumab (RANKL inhibition) may affect immune function.
What to do
Assess infection risk before combining and monitor for signs of infection or new neurological symptoms. Treat infections promptly and reassess the need for both agents if serious infection develops.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Natalizumab
- Natalizumab + Vedolizumab Contraindicated
- Axicabtagene ciloleucel + Natalizumab Major
- Baricitinib + Natalizumab Major
- Belatacept + Natalizumab Major
- Brexucabtagene autoleucel + Natalizumab Major
- Cabazitaxel + Natalizumab Major
Other interactions of Denosumab
- Abatacept + Denosumab Moderate
- Adalimumab + Denosumab Moderate
- Alefacept + Denosumab Moderate
- Alemtuzumab + Denosumab Moderate
- Anakinra + Denosumab Moderate
- Azacitidine + Denosumab Moderate
Frequently asked questions
Can I take Denosumab with Natalizumab?
MediHelp rates the interaction as moderate. Denosumab and Natalizumab can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Denosumab has been associated with serious infections, and natalizumab increases the risk of opportunistic infection including progressive multifocal leukoencephalopathy. Using them together may add to the overall infection burden, particularly in patients who are already immunocompromised.
How serious is the interaction between Denosumab and Natalizumab?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Assess infection risk before combining and monitor for signs of infection or new neurological symptoms. Treat infections promptly and reassess the need for both agents if serious infection develops.
What other medicines interact with Natalizumab?
MediHelp also lists interactions of Natalizumab with, for example, Vedolizumab, Axicabtagene ciloleucel, Baricitinib. The full list is on the Natalizumab page.
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