NovoLog is also available in pen injector formats. Before Merilog, the FDA has given the go-ahead to two biosimilars of Sanofi's basal insulin product Lantus (insulin glargine) – Viatris ...

It calls the new drug “Merilog,” a biosimilar to the widely-used insulin product Novolog (insulin aspart ... single-patient-use prefilled pen and a 10-milliliter multiple-dose vial.