What is the difference between Benlysta and Saphnelo?

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by Drugs.com
Benlysta and Saphnelo are both targeted treatments, but they target different parts of the immune system that are particularly overactive in lupus. Benlysta targets and blocks the activity of a type of white blood cell called a B cell, which produces antibodies that attack tissue, causing symptoms of SLE. It is classified as a B-lymphocyte stimulator (BLyS)-specific inhibitor. Saphnelo targets the type I interferon receptor and inhibits the activity of type 1 interferons. Activation of the interferon system is a common underlying characteristic of SLE that leads to the immune system being constantly “switched on”, contributing to SLE symptoms. Saphnelo is classified as a type 1 interferon receptor antagonist. Benlysta was first approved in 2011 and Saphnelo was approved in 2021.

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