Interferon alfa

Identification

Summary

Interferon alfa is an immunomodulator used to treat hepatitis B and C as well as certain types of cancer including cutaneous T-cell lymphoma and renal cell carcinoma.

Generic Name
Interferon alfa
DrugBank Accession Number
DB05258
Background

Natural interferon alpha or Multiferon is 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 alpha proteins are mainly involved in innate immune response against viral infection. They come in 13 subtypes that are called IFNA1, IFNA2, IFNA4, IFNA5, IFNA6, IFNA7, IFNA8, IFNA10, IFNA13, IFNA14, IFNA16, IFNA17, IFNA21. Multiferon consists of the 6 major subtypes are IFN-α1, IFN-α2, IFN-α8, IFN-α10, IFN-α14 and IFN-α21. Of these, IFN-α2 and IFN-α14 are glycosylated.

Type
Biotech
Groups
Investigational
Biologic Classification
Protein Based Therapies
Interferons
Protein Structure
Protein Chemical Formula
Not Available
Protein Average Weight
20700.0 Da (range 19300-22100)
Sequences
>Inteferon alpha-1
CDLPETHSLDNRRTLMLLAQMSRISPSSCLMDRHDFGFPQEEFDGNQFQKAPAISVLHEL
IQQIFNLFTTKDSSAAWDEDLLDKFCTELYQQLNDLEACVMQEERVGETPLMNADSILAV
KKYFRRITLYLTEKKYSPCAWEVVRAEIMRSLSLSTNLQERLRRKE
>Inteferon alpha-2
CDLPQTHSLGSRRTLMLLAQMRKISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMI
QQIFNLFSTKDSSAAWDETLLDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVR
KYFQRITLYLKEKKYSPCAWEVVRAEIMRSFSLSTNLQESLRSKE
>Interferon alpha-8
CDLPQTHSLGNRRALILLAQMRRISPFSCLKDRHDFEFPQEEFDDKQFQKAQAISVLHEM
IQQTFNLFSTKDSSAALDETLLDEFYIELDQQLNDLESCVMQEVGVIESPLMYEDSILAV
RKYFQRITLYLTEKKYSSCAWEVVRAEIMRSFSLSINLQKRLKSKE
>Interferon alpha-10
CDLPQTHSLGNRRALILLGQMGRISPFSCLKDRHDFRIPQEEFDGNQFQKAQAISVLHEM
IQQTFNLFSTEDSSAAWEQSLLEKFSTELYQQLNDLEACVIQEVGVEETPLMNEDSILAV
RKYFQRITLYLIERKYSPCAWEVVRAEIMRSLSFSTNLQKRLRRKD
>Interferon alpha-14
CNLSQTHSLNNRRTLMLMAQMRRISPFSCLKDRHDFEFPQEEFDGNQFQKAQAISVLHEM
MQQTFNLFSTKNSSAAWDETLLEKFYIELFQQMNDLEACVIQEVGVEETPLMNEDSILAV
KKYFQRITLYLMEKKYSPCAWEVVRAEIMRSLSFSTNLQKRLRRKD
>Interferon alpha-21
CDLPQTHSLGNRRALILLAQMGRISPFSCLKDRHDFGFPQEEFDGNQFQKAQAISVLHEM
IQQTFNLFSTKDSSATWEQSLLEKFSTELNQQLNDLEACVIQEVGVEETPLMNVDSILAV
KKYFQRITLYLTEKKYSPCAWEVVRAEIMRSFSLSKIFQERLRRKE
Download FASTA Format
Synonyms
  • HuIFN-alpha-Le
  • IFN-α
  • Interferon alfa
  • Natural alpha interferon

Pharmacology

Indication

Investigated for use/treatment in hepatitis (viral, C), leukemia (lymphoid), leukemia (myeloid), leukemia (unspecified), and melanoma.

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Associated Conditions
Indication TypeIndicationCombined Product DetailsApproval LevelAge GroupPatient CharacteristicsDose Form
Treatment ofFollicular non-hodgkin's lymphoma•••••••••••••••••••••• ••••••••
Treatment ofHepatitis c viral infection•••••••••••••••••••••• ••••••••
Treatment ofMalignancies, hematologic•••••••••••••••••••••• ••••••••
Treatment ofMelanoma, malignant•••••••••••••••••••••• ••••••••
Treatment ofRenal cell adenocarcinoma•••••••••••••••••••••• ••••••••
Contraindications & Blackbox Warnings
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Pharmacodynamics

Not Available

Mechanism of action

Natural alpha interferon offers multiple subtypes of interferon which may work together as a 'cocktail-in-one', while recombinant versions only exhibit a single subtype." Viragen offers MultiferonT at a cost which is competitive with recombinant interferon regimens.

Natural alpha interferon contains the multiple subtype composition that is characteristic of interferon produced by the human body. It is believed that this results in a broader spectrum of specific anti-viral and immunoregulatory activity with the subtypes acting synergistically to give a wide-ranging response.

TargetActionsOrganism
UInterferon alpha/beta receptor 1Not AvailableHumans
Absorption

Not Available

Volume of distribution

Not Available

Protein binding

Not Available

Metabolism

Proteolyzed by endogenous proteases.

Route of elimination

Reticulo-endothilial system, kidneys and liver.

Half-life

Not Available

Clearance

Not Available

Adverse Effects
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Toxicity

Not Available

Pathways
Not Available
Pharmacogenomic Effects/ADRs
Not Available

Interactions

Drug Interactions
This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. The absence of an interaction does not necessarily mean no interactions exist.
DrugInteraction
AbataceptThe risk or severity of adverse effects can be increased when Abatacept is combined with Interferon alfa.
AbciximabThe risk or severity of bleeding can be increased when Abciximab is combined with Interferon alfa.
AcenocoumarolThe metabolism of Acenocoumarol can be decreased when combined with Interferon alfa.
AcetaminophenThe metabolism of Acetaminophen can be decreased when combined with Interferon alfa.
Acetylsalicylic acidThe risk or severity of bleeding can be increased when Acetylsalicylic acid is combined with Interferon alfa.
Food Interactions
Not Available

Products

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International/Other Brands
Multiferon

Categories

Drug Categories
Chemical TaxonomyProvided by Classyfire
Description
Not Available
Kingdom
Organic Compounds
Super Class
Organic Acids
Class
Carboxylic Acids and Derivatives
Sub Class
Amino Acids, Peptides, and Analogues
Direct Parent
Peptides
Alternative Parents
Not Available
Substituents
Not Available
Molecular Framework
Not Available
External Descriptors
Not Available
Affected organisms
  • Humans and other mammals

Chemical Identifiers

UNII
Not Available
CAS number
Not Available

References

General References
  1. Yonezawa A, Morita R, Takaori-Kondo A, Kadowaki N, Kitawaki T, Hori T, Uchiyama T: Natural alpha interferon-producing cells respond to human immunodeficiency virus type 1 with alpha interferon production and maturation into dendritic cells. J Virol. 2003 Mar;77(6):3777-84. [Article]
PubChem Substance
347910052
Wikipedia
Interferon

Clinical Trials

Clinical Trials

Pharmacoeconomics

Manufacturers
Not Available
Packagers
Not Available
Dosage Forms
FormRouteStrength
Injection, solution
Injection, solutionSubcutaneous
Injection, solutionParenteral
Prices
Not Available
Patents
Not Available

Properties

State
Liquid
Experimental Properties
Not Available

Targets

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Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Type i interferon receptor activity
Specific Function
Associates with IFNAR2 to form the type I interferon receptor. Receptor for interferons alpha and beta. Binding to type I IFNs triggers tyrosine phosphorylation of a number of proteins including JA...
Gene Name
IFNAR1
Uniprot ID
P17181
Uniprot Name
Interferon alpha/beta receptor 1
Molecular Weight
63524.81 Da

Enzymes

Kind
Protein
Organism
Humans
Pharmacological action
Unknown
Actions
Inhibitor
General Function
Oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen
Specific Function
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally un...
Gene Name
CYP1A2
Uniprot ID
P05177
Uniprot Name
Cytochrome P450 1A2
Molecular Weight
58293.76 Da
References
  1. Delaporte E, Renton KW: Cytochrome P4501A1 and cytochrome P4501A2 are downregulated at both transcriptional and post-transcriptional levels by conditions resulting in interferon-alpha/beta induction. Life Sci. 1997;60(10):787-96. doi: 10.1016/s0024-3205(97)00006-4. [Article]

Drug created at November 18, 2007 18:22 / Updated at March 28, 2024 06:03