Phesgo is a clear to opalescent solution, colourless to slightly brownish solution supplied in sterile, preservative-free, non-pyrogenic single-dose vials.
Single dose vials contain: 1200 mg pertuzumab/600 mg trastuzumab/15 mL solution in a vial.
600 mg pertuzumab/600 mg trastuzumab/10 mL solution in a vial.
Excipients/Inactive Ingredients: Phesgo contains vorhyaluronidase alfa (recombinant human hyaluronidase; rHuPH20), an enzyme used to increase the dispersion and absorption of co-formulated drugs when administered subcutaneously.
All other excipients described as registered locally.