Ontruzant (trastuzumab-dttb) is used to treat stomach and
breast cancer. Ontruzant is a biosimilar for
herceptin (trastuzumab). Biosimilars are biologic drugs that are similar to the original medication with no meaningful differences in effectiveness or safety. Ontruzant may be covered by your Medicare or insurance plan. Get Ontruzant for as low as $1,322.37, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.