FDA has approved trastuzumab and hyaluronidase-oysk injection for subcutaneous use. Herceptin Hylecta is a combination of trastuzumab, a HER2/neu receptor antagonist, and hyaluronidase, an endoglycosidase, for the treatment of HER2‑overexpressing breast cancer.
Urologic oncologist Wayne Brisbane thought his patient might be a good candidate for focal therapy.
