BOSPHORUS ECZA

💉 **Keytruda (pembrolizumab)** is an immunotherapy medication used to treat various types of cancer. It is a **monoclonal antibody** that works by blocking the **PD-1 receptor**, helping the immune system recognize and attack cancer cells more effectively.

Keytruda is used to treat cancers such as **melanoma, non–small cell lung cancer, head and neck cancer, kidney cancer, and others**. It is given by **intravenous infusion**, usually every 3 or 6 weeks, and can significantly improve survival in many patients.