Drug interactions
Certolizumab pegol + Natalizumab
Severity: Major
Certolizumab pegol and Natalizumab: 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
Natalizumab with TNF blockers increases the risk of infection, and natalizumab labeling cautions against use with immunosuppressants and TNF inhibitors. Progressive multifocal leukoencephalopathy risk is a particular concern.
What this interaction means in plain words
Certolizumab pegol and Natalizumab 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.
Certolizumab pegol belongs to Musculoskeletal; Natalizumab belongs to Gastrointestinal Tract.
Why it happens
Additive immunosuppression from TNF-alpha blockade and alpha4-integrin inhibition limiting leukocyte trafficking.
What to do
Avoid concurrent use; separate therapies by appropriate washout. Monitor for infection and new neurological symptoms.
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 Certolizumab pegol
- Adenovirus types 4 and 7 live + Certolizumab pegol Contraindicated
- Bcg intravesical live + Certolizumab pegol Contraindicated
- Bcg vaccine live + Certolizumab pegol Contraindicated
- Certolizumab pegol + Influenza virus vaccine quadrivalent intranasal Contraindicated
- Certolizumab pegol + Measles mumps and rubella vaccine Contraindicated
- Certolizumab pegol + Measles mumps and rubella vaccine live Contraindicated
Other interactions of Natalizumab
- Natalizumab + Vedolizumab Contraindicated
- Axicabtagene ciloleucel + Natalizumab Major
- Baricitinib + Natalizumab Major
- Belatacept + Natalizumab Major
- Brexucabtagene autoleucel + Natalizumab Major
- Cabazitaxel + Natalizumab Major
Frequently asked questions
Can I take Certolizumab pegol with Natalizumab?
MediHelp rates the interaction as major. Certolizumab pegol and Natalizumab 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. Natalizumab with TNF blockers increases the risk of infection, and natalizumab labeling cautions against use with immunosuppressants and TNF inhibitors. Progressive multifocal leukoencephalopathy risk is a particular concern.
How serious is the interaction between Certolizumab pegol and Natalizumab?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use; separate therapies by appropriate washout. Monitor for infection and new neurological symptoms.
What other medicines interact with Certolizumab pegol?
MediHelp also lists interactions of Certolizumab pegol with, for example, Adenovirus types 4 and 7 live, Bcg intravesical live, Bcg vaccine live. The full list is on the Certolizumab pegol page.
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