Author: Scagnolari, Carolina; Selvaggi, Carla; Di Biase, Emilia; Fraulo, Maurizio; Dangond, Fernando; Antonelli, Guido
Title: IN VITRO ASSESSMENT OF THE BIOLOGIC ACTIVITY OF INTERFERON BETA FORMULATIONS USED FOR THE TREATMENT OF RELAPSING MULTIPLE SCLEROSIS Cord-id: r3tzp8pa Document date: 2014_3_21
ID: r3tzp8pa
Snippet: □ A new formulation (NF) of subcutaneous (sc) interferon (IFN) β-1a was developed in an attempt to improve injection tolerability and immunogenicity. We compared antiviral and IFNβ-stimulated gene (ISG) activities of IFNβ-1a sc NF with IFNβ-1a sc original formulation and IFNβ-1b sc. When equivalent unit amounts were compared, the IFNβ formulations demonstrated similar antiviral activity and induced similar levels of ISG mRNA. However, on a weight basis (ng/mL), significantly more IFNβ-1
Document: □ A new formulation (NF) of subcutaneous (sc) interferon (IFN) β-1a was developed in an attempt to improve injection tolerability and immunogenicity. We compared antiviral and IFNβ-stimulated gene (ISG) activities of IFNβ-1a sc NF with IFNβ-1a sc original formulation and IFNβ-1b sc. When equivalent unit amounts were compared, the IFNβ formulations demonstrated similar antiviral activity and induced similar levels of ISG mRNA. However, on a weight basis (ng/mL), significantly more IFNβ-1b sc was needed to equal the antiviral activity of either IFNβ-1a sc formulation, and both IFNβ-1a sc formulations induced significantly higher levels of ISG mRNA than IFNβ-1b sc.
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