Sarclisa Sarclisa

Sarclisa Sarclisa

Sarclisa (isatuximab)

Company: Sanofi-aventis

Approval Status: Approved on 3/2/2020

Specific treatment: Multiple myloma

Mechanism of Action:

Isatuximab-irfc is an IgG1-derived monoclonal antibody that binds to CD38 expressed on the surface of hematopoietic and tumor cells, including multiple myeloma cells. Isatuximab-irfc induces apoptosis of tumor cells and activation of immune effector mechanisms including antibody-dependent cell-mediated cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), and complement dependent cytotoxicity (CDC). Isatuximab-irfc inhibits the ADP-ribosyl cyclase activity of CD38. Isatuximab-irfc can activate natural killer (NK) cells in the absence of CD38-positive target tumor cells and suppresses CD38-positive T-regulatory cells. The combination of isatuximab-irfc and pomalidomide enhanced ADCC activity and direct tumor cell killing compared to that of isatuximab-irfc alone in vitro, and enhanced antitumor activity compared to the activity of isatuximab-irfc or pomalidomide alone in a human multiple myeloma xenograft model.

Dosage form/Route:

Injection: • 100 mg/5 mL (20 mg/mL) solution in single-dose vial • 500 mg/25 mL (20 mg/mL) solution in single-dose vial

Side effects:

The most common adverse reactions (in ≥20% of patients) were neutropenia, infusion-related reactions, pneumonia, upper respiratory tract infection, and diarrhea. The most common hematology laboratory abnormalities (in ≥80% of patients) were anemia, neutropenia, lymphopenia, and thrombocytopenia.

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