Each vial contains 3.5 mg bortezomib (as a mannitol boronic ester).
After reconstitution, 1 ml of solution for subcutaneous injection contains 2.5 mg bortezomib.
After reconstitution, 1 ml of solution for intravenous injection contains 1 mg bortezomib.
Excipients/Inactive Ingredients: Mannitol (E421).