HERCEPTIN 440 mg Injection (Trastuzumab) — Targeted Antibody Therapy for HER2-Positive Cancer HERCEPTIN 440 mg Injection is a targeted cancer therapy containing trastuzumab, a monoclonal antibody that attaches to HER2 receptors on cancer cells to block growth signals and enhance immune-mediated destruction. Widely used in Pakistan and worldwide for HER2-positive breast cancer, including early-stage and metastatic disease, this IV infusion medicine may also be part of treatment for certain HER2-positive gastric or gastroesophageal cancers when used with chemotherapy. Herceptin is administered under expert medical supervision in clinical settings, with regular heart, blood, and health monitoring due to potential cardiac and infusion-related effects. Available by prescription at major Pakistani oncology pharmacies, including trusted brands sourced from Roche Pakistan Ltd and other licensed suppliers, HERCEPTIN 440 mg supports effective targeted cancer care as part of your oncology plan.