See the DrugPatentWatch profile for Tysabri
How much does Tysabri (natalizumab) cost in the US?
Tysabri is a high-cost specialty drug, but the exact price patients pay varies widely based on factors like insurance coverage, treatment schedule, and whether you’re paying cash. Public price listings can differ from a hospital’s contracted rate and from what insurers negotiate.
At minimum, you should expect Tysabri pricing to be driven by:
- the dose and infusion schedule (it is given by infusion),
- the contracted drug price between the provider/pharmacy and your insurer,
- whether you have commercial insurance, Medicare, Medicaid, or no insurance.
If you share your country and whether you have insurance (and which type), I can narrow down what you’re likely to pay.
What affects the out-of-pocket cost for Tysabri?
Your out-of-pocket total usually depends on more than the drug’s “list price,” including:
- Your plan’s deductible and coinsurance/copays.
- Prior authorization requirements and whether coverage is approved for your diagnosis.
- Infusion-related charges (facility fees, infusion/administration fees) that can add to the total even if the drug is covered.
- Whether you qualify for patient assistance programs or co-pay support (if available where you live).
Is there a cheaper alternative to Tysabri?
Whether a lower-cost alternative exists depends on what’s being treated and what your insurer covers. Options may include other multiple sclerosis disease-modifying therapies (including different mechanisms of action) that might have different coverage tiers and patient costs. If you tell me your diagnosis (e.g., relapsing-remitting MS, Crohn’s disease) and your insurance type, I can suggest what to ask your neurologist and insurer about cost and coverage.
Are biosimilars available to lower the cost?
For many biologic drugs, biosimilars can reduce cost when insurers adopt them. Whether a biosimilar for natalizumab is available (and preferred by insurers) depends on the market and country. If you tell me your location, I can help check the practical availability and how insurers typically handle substitution.
How can you get an exact cost quickly?
To get the real number you’ll face, ask for:
- The “cash price” or self-pay price from the infusion center/pharmacy.
- Your insurer’s coverage estimate (including your expected copay/coinsurance after prior authorization).
- A breakdown of drug cost vs infusion/administration/facility fees.
If you want, reply with:
1) your country,
2) your insurance type (commercial/Medicare/Medicaid/uninsured), and
3) whether Tysabri is for MS or Crohn’s,
and I’ll help you estimate likely cost ranges and what to ask for.