Merck announces launch of Ontruzant

KENILWORTH, N.J. — Merck announced the U.S. launch of Ontruzant (trastuzumab-dttb), as a biosimilar of the reference biologic medicine Herceptin. Ontruzant is available in both 150 mg single-dose vials and 420 mg multiple-dose vials. Ontruzant will be introduced in the U.S. at a list price (wholesaler acquisition cost) of approximately $1,325 for the 150 mg