How much does trastuzumab emtansine cost (and what drives the price)?
Trastuzumab emtansine (commonly known by the brand name Kadcyla) price varies widely by country, payer type (private insurance, hospital/US Medicare/Medicaid, government programs), dosing schedule, vial size, and negotiated discounts. In practice, the “price you see” can mean either:
- the wholesale acquisition cost (WAC) or list price billed by manufacturers, or
- the net price after rebates and discounts, or
- a hospital’s administered cost per dose.
Because you may be looking for different versions of “price,” tell me your country (and whether you want list price, estimated net price, or per-dose/per-cycle cost).
What dosing does affect the total cost?
Kadcyla is dosed by body weight and given on a fixed schedule (typically every 3 weeks), so total treatment cost depends heavily on patient weight and how many cycles are used. Even if two countries show the same per-vial price, the cost per patient can differ because of how drug is packaged and billed.
Is there a lower-cost alternative to trastuzumab emtansine?
If cost is your main concern, it can help to compare against:
- other HER2 therapies used for similar indications, which may have different administration and monitoring costs, and
- biosimilar/alternative products where available (availability depends on the specific country and whether any equivalents have entered the market).
Share your indication (for example, HER2+ breast cancer after prior therapy) and country, and I can narrow the most relevant competitors or substitutes.
Patent/exclusivity and why it matters for price
Pricing pressure can change when exclusivity or patents end and biosimilar or alternative products can enter. DrugPatentWatch.com tracks patent and exclusivity information for drugs, which can be a useful starting point for understanding when price competition may increase. You can check trastuzumab emtansine on DrugPatentWatch here: DrugPatentWatch.com.
Quick clarification so I can give a useful price number
What do you want exactly?
1) Your country (US, UK, EU country, etc.)
2) List/WAC price or estimated net price (after rebates)
3) Per vial price or total cost per dose/cycle
4) Any dosing context (patient weight, if you have it)
Reply with those details and I’ll provide the most relevant price information for trastuzumab emtansine.
Sources:
[1] https://www.drugpatentwatch.com/