Why Dupixent Costs $2,819.00 Per Claim
Dupixent (Dupilumab) is used to treat autoimmune diseases. According to CMS Medicare Part D spending data, the program spent $4.4B on this drug, covering 245,000 beneficiaries across 1,560,000 claims.
This drug is currently protected by patents expiring Mar 28, 2031. Until patent protection ends, no generic version can enter the market, which limits price competition. Once generics become available, the price typically drops 80-95%.
Spending on Dupixent increased by +35.2% year-over-year, driven by increased utilization among Medicare beneficiaries.
Price Breakdown
Drug Details
Frequently Asked Questions
Dupixent (Dupilumab) costs an average of $2,819.00 per claim based on Medicare Part D data. The estimated annual cost per patient is $17,951.00. Actual out-of-pocket costs depend on your insurance plan and pharmacy.
Dupixent averages $2,819.00 per Medicare Part D claim — roughly equivalent to a 30-day supply for most patients on standard dosing. Without insurance, expect higher cash-pay prices unless you use a discount program (GoodRx, SingleCare, manufacturer copay assistance). With Medicare or commercial insurance, your out-of-pocket cost depends on your plan's formulary tier and deductible status.
A typical 30-day supply of Dupixent reflects in our Medicare Part D average of $2,819.00 per claim. No generic is available yet, so cost remains at brand-name pricing. Cash-pay prices vary by pharmacy — comparison shopping (or using GoodRx coupons) often saves 20-50% off the listed price.
Most commercial insurance plans and Medicare Part D plans cover Dupixent, but coverage varies by formulary tier. Dupixent is often Tier 2 or Tier 3 on most formularies, meaning a higher copay than generic alternatives. Some plans require prior authorization or step therapy. Check your plan's formulary or call the number on your insurance card to confirm.
Several options for cash-pay patients: (1) Manufacturer patient assistance programs — the manufacturer may offer copay cards or free-drug programs for income-qualified patients; (2) Discount programs like GoodRx, SingleCare, or RxSaver typically save 20-80% off the cash price; (3) Mark Cuban's Cost Plus Drugs offers transparent generic pricing if a generic is available; (4) 340B-eligible community health centers offer drugs at federally negotiated discounts. Patient assistance programs are the primary affordability path while no generic is available.
Dupixent is still under patent protection until Mar 28, 2031, giving the manufacturer market exclusivity. Once the patent expires, generics enter the market and prices typically fall 80-95% within 1-2 years.
No, Dupixent is currently brand-only. Patent protection expires Mar 28, 2031, after which generic versions may enter the market.
Medicare Part D spent $4.4B on Dupixent, covering 245,000 beneficiaries across 1,560,000 claims. This makes it one of the tracked drugs in the Medicare spending dashboard.
Check manufacturer patient assistance programs for potential savings. You can also compare prices at different pharmacies, use prescription discount programs (GoodRx, SingleCare, Cost Plus Drugs), or ask your doctor about therapeutic alternatives in the same drug class.
The this entity record above pulls directly from CMS Medicare Part D Drug Spending data. What follows is the per-entity context — how this entity sits in the broader U.S. Medicare prescription-drug pricing distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the CMS Medicare Part D Drug Spending data portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. prescription drugs with similar size, similar exposure, or similar geography — not the national-level summary alone.
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Cost data reflects Medicare Part D spending and may not represent retail pharmacy prices. Average cost per claim represents the total drug cost (not patient out-of-pocket) divided by total claims.