Comparative analysis of valumab and Infinifer 500mg in 2025

When discussing the difference between Durvalumab/Durvalumab and Infineon 500mg, it is first necessary to make it clear that the two are actually different names for the same drug. "Durvalumab" is its generic name (Durvalumab), and "Imfinzi" is its trade name in the global market. Both are developed and produced by AstraZeneca and are used to treat a series of malignant tumors related to PD-L1 expression, such as small cell lung cancer, non-small cell lung cancer, etc. Therefore, the so-called "comparison" is more about the analysis of differences in drug dosage forms, packaging specifications and clinical usage scenarios, rather than a comparison of the efficacy of two different drugs.

500mg is a specification of durvalumab, usually in the form of injection. Each bottle contains 500mg of active ingredients and corresponding excipients, such as L-histidine, L-histidine hydrochloride monohydrate, etc. Infinifer, as the trade name of durvalumab, also provides 500mg specifications on the market for patients and doctors to choose from.

In use, durvalumab (including the Infinifer brand) is usually infused intravenously, once every 2 weeks, and each infusion takes more than 60 minutes until disease progression or intolerable toxicity occurs. For the 500mg specification, the specific dosage needs to be calculated based on the patient's weight. During the treatment process, the doctor will pay close attention to the patient's response and adjust the treatment plan as needed.

From the clinical efficacy point of view, whether it is durvalumab labeled with the generic name or the trade name, its core ingredients are exactly the same, the pharmacological mechanism is the same, and there is no difference in efficacy. Products approved for marketing in the country must undergo quality review and approval by the State Food and Drug Administration, and drug stability, bioequivalence and clinical performance must meet standards.

In general, durvalumab and Infinifer are consistent in terms of ingredients, specifications, usage, indications, etc. Patients and doctors can make decisions based on specific circumstances and preferences when choosing. At the same time, you also need to pay attention to the possible side effects and adverse reactions of drugs, and use them rationally under the guidance of a doctor.

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