How much does one pill of Margetuximab cost?

Margetuximab is a humanized monoclonal antibody targeting the HER2 receptor. It is mainly used to treat patients with HER2-positive breast cancer. It is especially suitable for patients who have previously received Herceptin (Trastuzumab) but have relapsed or are drug-resistant. Margetuximab improves the recognition ability of immune effector cells by optimizing the structure of the Fc segment, thereby enhancing antibody-dependent cell-mediated cytotoxicity (ADCC) and improving the efficacy of traditional HER2 monoclonal antibodies. This mechanism makes it a new treatment option in drug-resistant or relapsed patient groups, providing a new solution for the long-term management of HER2-positive breast cancer.

Currently, the original drug margituximab has been launched in China, but due to its short time on the market, the price has not been officially disclosed, and it has not been included in the scope of medical insurance. According to overseas market information, its common specification is 250mg/10ml*1 bottle/box, and the overseas selling price may be around 30,000 yuan. The price will vary due to exchange rate fluctuations and supply channels. It is worth noting that there are currently no generic drugs of margetuximab on the domestic and international markets, so patients are still mainly using the original drug version.

In terms of application, margituximab can be used as a single agent or in combination with chemotherapy drugs. Especially in patients with advanced or metastatic HER2-positive breast cancer, the combination chemotherapy regimen has shown better progression-free survival. In clinical use, physicians will develop a personalized dosing plan based on the patient's HER2 expression status, past drug response, and overall health status. Usually intravenous drip is used, and each dose is calculated based on the body surface area and adjusted based on the patient's treatment cycle and tolerance.

Since margetuximab is an innovative biological agent, patients need to be closely followed up during the course of medication to monitor adverse reactions and efficacy, including blood picture changes, cardiac function assessment and tumor load changes. At the same time, doctors will also pay attention to possible immune-related side effects, such as infusion reactions, mild fever or rash, and take preventive and treatment measures according to the situation.

Reference materials:https://www.margenza.com/