FDA OKs Sanofi’s Merilog, a Novolog Biosimilar

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FDA has approved Sanofi-Aventis’ Merilog (insulin-aspart-szjj) as a biosimilar to Novo Nordisk’s Novolog (insulin aspart) for improving glycemic control in adults and pediatric patients with diabetes mellitus. An FDA release says Merilog is the first rapid-acting insulin biosimilar product approved by the agency. It is the third insulin biosimilar product approved by the agency and joins two long-acting insulin biosimilar products approved in 2021 (Lilly’s Rezvoglar and Mylan’s Semglee).

Like Novolog, Merilog should be administered within five to 10 minutes prior to a meal, FDA says. It is administered subcutaneously by injection and dosing should be individualized and adjusted based on the patient’s needs. “Merilog may cause serious side effects, including hypoglycemia (low blood sugar), severe allergic reactions and hypokalemia (low potassium in blood),” it says. “Other common side effects may include injection site reactions, itching, rash, lipodystrophy (skin thickening or pitting at the injection site), weight gain and swelling of hands and feet.”

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