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The starting dose was lower for participants who were transitioning from hydroxyurea. [9] The trial was conducted at six sites exclusively in Austria. [ 9 ] The safety of ropeginterferon alfa-2b was based primarily on findings from the efficacy study in 51 participants. [ 9 ]
Interferon alfa-2b is an antiviral or antineoplastic drug. It is a recombinant form of the protein Interferon alpha-2 that was originally sequenced and produced recombinantly in E. coli [ 1 ] in the laboratory of Charles Weissmann at the University of Zurich , in 1980.
A 2012 meta-analysis had found PEGylated interferon alfa-2a to be the more effective variant for treatment-naive patients. [10] With the advent of Direct-Acting-Antivirals (DAAs — ), interferon-based treatment regimens gradually fell out of fashion due to relatively poor efficacy and high frequency of adverse side-effects.
Pegylated interferon alfa-2a, sold under the brand name Pegasys among others, is medication used to treat hepatitis C and hepatitis B. [3] For hepatitis C it is typically used together with ribavirin and cure rates are between 24 and 92%. [3] [4] For hepatitis B it may be used alone. [5] It is given by injection under the skin. [3] Side effects ...
Interferon alfa or HuIFN-alpha-Le, trade name Multiferon, is a pharmaceutical drug composed of natural interferon alpha (IFN-α), obtained from the leukocyte fraction of human blood following induction with Sendai virus. Interferon alfa contains several naturally occurring IFN-α subtypes and is purified by affinity chromatography.
Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). [5] It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. [6] Some research indicates that interferon injections may result in an 18–38% reduction in the rate of MS relapses. [7]
Interferon therapy, and specially interferon beta-1b, induces the production of neutralizing antibodies, usually in the second 6 months of treatment, in 5 to 30% of treated patients. [4] Moreover, a subset of RRMS patients with specially active MS, sometimes called "rapidly worsening MS" are normally non-responders to interferon beta-1b.
The type-I interferons (IFN) are cytokines which play essential roles in inflammation, immunoregulation, tumor cells recognition, and T-cell responses. In the human genome, a cluster of thirteen functional IFN genes is located at the 9p21.3 cytoband over approximately 400 kb including coding genes for IFNα (IFNA1, IFNA2, IFNA4, IFNA5, IFNA6, IFNA7, IFNA8, IFNA10, IFNA13, IFNA14, IFNA16 ...