It discusses the pharmacological properties of different interferons, their medical uses, methods of . REBETOL (ribavirin, USP) Capsules is indicated in combination with INTRON A (interferon alfa-2b, recombinant) Injection for the treatment of chronic hepatitis C in patients with compensated liver disease previously untreated with alpha interferon or who have relapsed following alpha interferon therapy.Description of Clinical Studies . There are three basic forms of interferon. MX protein evolved to protect against influenza 4. 3. Background and design: Intralesional recombinant interferon alfa-2b has been shown to be effective in the treatment of actinic keratoses and basal cell carcinomas. 3. Drug-Drug Interactions. Essentially, when confronted with a virus, each cell shoots an emergency flare of interferon to tell the immune system to marshall its defenses. They tell your immune system that germs or cancer cells are in your body. There are three basic forms of interferon. Use Caution/Monitor. Recent advances have led to Food and Drug Administration approval of five clinical indications for IFN. changes in sex drive or ability (in men) change in coordination. It is a recombinant form of the protein Interferon alpha-2 that was originally sequenced and produced recombinantly in E. coli in the laboratory of Charles Weissmann at the University of Zurich, in 1980. Find patient medical information for interferon alfa-2b injection on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. IFN- group of cytokines that are the 1st line of defense against viral infection-Has anti-proliferative and immuno-regulatory properties . Ø Interferon therapy is used in combination with chemotherapy in the treatment of some cancers. INDICATIONS. Ø IFNα is used in the treat of hepatitis B and C infections (HBV and HCV). These have shown that, in patients without other comorbid conditions, treatment for from 6 to 12 months with a combination of interferon-alpha 2b, 3 MU three times a week (ttw), plus ribavirin . Do not take BETASERON (interferon beta-1b) if you are allergic to interferon beta-1b, to another interferon . Generic Name : Interferon Alfa 2A Pronunciation : IN-ter-FEER-on ALfa Latest prescription information about Interferon Alfa 2A. Interferon (alfa) may enhance adverse effects which can include risk of myocardial and renal toxicity with concomitant use. Interferons play an important role in the first line of defense against viral infections Interferons are part of the non-specific immune system Interferons are made by cells in response to an appropriate stimulus. However, if your mouth continues to feel dry for more than 2 weeks, check with your medical doctor or dentist. interferon beta use and major congenital malformations, but interferon beta may cause fetal harm based on animal data (8.1). . Adult: 1 million IU into each lesion (Max 5 lesions per treatment course) 3 times weekly (every other day) for 3 weeks; repeat after 12-16 weeks as needed. tight muscles. It is also used to treat virus infections (such as chronic hepatitis B, chronic hepatitis C, condylomata acuminata). Interferons are proteins found in your body. It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Indications. 494 UNAPPROVED INDICATIONS OF INTERFERONS Clinics in Dermatology Y 2002;20:493-504. of the patients in the placebo group.27 These authors found that clinical benefit was accompanied by a reduc-tion in eosinophil count, although no reduction in se-rum IgE levels was noted. USES: This medication is used to treat various cancers (such as leukemia, melanoma, AIDS-related Kaposi's sarcoma . DB14999. Interferons are currently used clinically to treat viral infections such as hepatitis C, cancers including non-Hodgkin's lymphoma, and autoimmune diseases such as multiple sclerosis. -----INDICATIONS AND USAGE-----BESREMi is an interferon alfa -2b indicated for the treatment of adults with polycythemia vera (1) -----DOSAGE AND ADMINISTRATION----- . The existence of this interferon, which early in its history was known as immune interferon, was described by E. F. Wheelock as a product of human leukocytes stimulated with phytohemagglutinin, and by others as a product of antigen-stimulated lymphocytes. There are three types of interferons: . And they trigger killer immune cells to fight those . Additive toxicities may occur when systemic interferons are used concomitantly with other immunomodulators and chemotherapeutic agents. For temporary relief of mouth dryness, use sugarless candy or gum, melt bits of ice in your mouth, or use a saliva substitute. However, if your mouth continues to feel dry for more than 2 weeks, check with your medical doctor or dentist. Should not be used in the neonatal-period. Role of Interferon in Innate Immunity. Ø IFNα is used in the treat of hepatitis B and C infections (HBV and HCV). NOTE: Interferon beta-1b has been designated as an orphan drug by the FDA for this indication. Learn how to pronounce the drug's name, its indications, dosage, how . They fight things like viruses, bacteria and cancer. Interferon a (human leukocyte protein moiety reduced). Interferon beta-1a and interferon beta-1b are used to treat and control multiple sclerosis, an autoimmune disorder.This treatment may help in reducing attacks in relapsing-remitting multiple sclerosis and slowing disease progression and activity in secondary progressive multiple sclerosis.. Interferon therapy is used (in combination with chemotherapy and radiation) as a treatment for . weakness. Interferon gamma is a Type 1 inflammatory cytokine and the only type II interferon. Naturally occurring proteins and glycoproteins Secreted by eukaryotoc cells in response to viral inections, tumors and other biological inducers Structurally, they are part of the helical cytokine family which are characterized by an amino acid chain that is 145-166 amino acids long They were discovered by Isaacs and Lindenmann in 1957 in course of a study of the effect of UV-inactivated influenza virus on chick chorioallantoic membrane kept in an artificial medium. . interferon alfa n3 increases toxicity of aldesleukin by pharmacodynamic synergism. Interferon alfa-2b injection and ribavirin combination may cause a dry mouth. Interferon alfa-2b should be used with caution in patients with a history of autoimmune disease and only if the potential benefit justifies the risk; patients with chronic hepatitis B or C and a history of autoimmune disease should not be treated with interferon alfa-2b because of reports of worsening liver disease including jaundice, hepatic encephalopathy, hepatic failure, and death after . Avoid or Use Alternate Drug. Abdul Mannan M. Phil Scholar Deptt. Warning. A reduction in white blood Ø Interferon therapy is used in combination with chemotherapy in the treatment of some cancers. 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. Interferons are members of the cytokine family, with diverse antiviral, antiproliferative, antifibrotic, and immunomodulatory activities. The invention provides a monoclonal antibody or an antigen binding part thereof of IFN ALPHA 1 and a hybridoma cell strain secreting the antibody, wherein the preservation number of the hybridoma cell strain is CGMCC No.12542 or CGMCC No. 4. alpha (leukocyte interferon) produced by virus infected leukocytes beta (fibroblast interferon) produced by virus infected . IMPORTANT SAFETY INFORMATION. This test detects the release of interferon-gamma (IFN-g) in fresh heparinized whole blood from sensitized persons when it is incubated with mixtures of synthetic peptides representing two proteins present in M. tuberculosis: early secretory antigenic target--6 (ESAT-6) and culture filtrate protein--10 (CFP-10). Prior studies have reported high response rates with recombinant interferon-α (rIFN-α) therapy in patients with essential thrombocythemia (ET) and polycythemia vera (PV). Ø Interferons have antitumor properties. The recommended PEGASYS dosage in pediatric patients for HBeAg-positive CHB is 180 mcg/1.73 m² x BSA subcutaneously once weekly to a maximum dose of 180 mcg. Suicide or suicidal thoughts, thoughts of hurting others, depression, forceful actions, hallucinations, and other mood or behavior problems have happened during treatment and within 6 months after the last dose. 250 mcg subcutaneously every other day. AVONEX (interferon beta-1a) injection, for intramuscular injection Initial U.S. Approval: 1996 -----INDICATIONS AND USAGE ----- AVONEX is an interferon beta indicated for the treatment of patients with relapsing forms of multiple sclerosis to slow the accumulation of physical disability and decrease . To further define the role of rIFN-α, we investigated the outcomes of pegylated-rIFN-α2a (PEG) therapy in ET and PV patients previously treated with hydroxyurea (HU). Relapse of drug addiction has also happened. Severe pre-existing cardiac disease, severe renal, hepatic or myeloid dysfunction, epilepsy, and/or compromised CNS function are contraindications. Although discovered as an antiviral agent, the first approved clinical use for alpha interferon has been its use for the treatment of a malignancy, hairy cell leukemia. It has been highly effective in the treatment of this disease. Dose reduction, dosing interruption, or discontinuation may be required according to individual safety or tolerability. Background. Revised: 11/2021 FULL PRESCRIBING INFORMATION: CONTENTS* 1 INDICATIONS AND USAGE 2 DOSAGE AND ADMINISTRATION 2.1 Dosing Information In addition, peginterferon alfa-2a is indicated in . This activity outlines the different types of interferons, namely interferon alpha, beta, and gamma. Interferon alfa-2b is an antiviral or antineoplastic drug. Considerations in Pregnancy Interferon is not a cure for MS, but it may help to slow . Interferon gamma (IFN-γ) is a dimerized soluble cytokine that is the only member of the type II class of interferons. After injection, it is bound to receptors in cells infected by the virus, and has a half-life of 1.4 hours in dogs and 1.7 hours in cats. The broadest clinical experience exists with the interferons because these were available first. INDICATIONS. Within the past few years, natural and recombinant cytokines have become available for clinical use. USES: This medication is used to treat multiple sclerosis (MS). DESCRIPTION. Mx protein sequesters influenza virus and keeps it from getting . The initial studies focused on the tolerability and pharmacology of IFN-γ and systematically determined its antitumor and anti . Clinical Uses of Interferons. It was developed at Biogen, and ultimately marketed by Schering-Plough under the trade name Intron-A. 494 UNAPPROVED INDICATIONS OF INTERFERONS Clinics in Dermatology Y 2002;20:493-504. of the patients in the placebo group.27 These authors found that clinical benefit was accompanied by a reduc-tion in eosinophil count, although no reduction in se-rum IgE levels was noted. INTRON® A (Interferon alfa-2b) for intramuscular, subcutaneous, intralesional, or intravenous Injection is a purified sterile recombinant interferon product.. INTRON A recombinant for Injection has been classified as an alpha interferon and is a water-soluble protein with a molecular weight of 19,271 daltons produced by recombinant DNA techniques. Interferon medicines work by boosting your immune system. Precertification of interferons for the multiple sclerosis indication are required of all Aetna participating providers and members in applicable plan designs. Interferon gamma-1b also acts like an interleukin, stimulating phagocytes to be more aggressive. In this article, FDA-approved indications an … low levels of white blood cells. Human interferon beta is a polypeptide used in the management of relapsing forms of Multiple Sclerosis (MS), and was initially approved by the FDA in 1992. Pexidartinib can cause hepatotoxicity. Abstract. Interferon (alfa) may enhance adverse effects which can include risk of myocardial and renal toxicity with concomitant use. Type. Interferons induced by viral infection constitute the first line of the innate antiviral immune defense. It is rapidly becoming a part of conventional treatment regimes. Interferon alfa-2b is a prescription medication used to treat chronic hepatitis B, chronic hepatitis C, certain type of genital warts, hairy cell leukemia, malignant melanoma, AIDS-related Kaposi's sarcoma, and follicular lymphoma.. Interferon alfa-2b belongs to a group of drugs called interferons. Interferons are proteins that are part of your natural defenses. The interferon is primarily produced by activated T lymphocytes and natural killer cells. decreased blood platelets. Its various types, lots, and batches as . Ø Interferons have antitumor properties. This medication is injected into a muscle, usually once a week . INTRON A recombinant for Injection has been classified as an alpha interferon and is a water-soluble protein with a molecular weight of 19,271 daltons produced by recombinant DNA techniques. Diseases. In Germany recombinant interferon alpha 2a and 2b are licensed for the indication HIV-associated Kaposi's sarcoma and cutaneous T-cell lymphoma (interferon alpha 2a), and in the USA even for . Interferon alpha is the generic name for the trade name drugs Intron® A, Roferon®-A. Of Pathobiology FVS, BZU Multan 2. Some side effects can be serious. Interferon is a biological response modifier that regulates immune functions, slows cell proliferation, and inhibits virus replication. Interferon beta-1b injection may cause side effects. Subcutaneous dosage. This open-label study was designed to evaluate the effectiveness and cosmetic result of this therapy on actinically induced, primary cutaneous squamous cell carcinomas. Ø IFNβ is used in the treatment of multiple sclerosis (MS) and autoimmune disorders. . INDICATIONS. New Window. Roferon-A (interferon alfa-2a, recombinant) is indicated for the treatment of chronic hepatitis C and hairy cell leukemia in patients 18 years of age or older. See 17 for PATIENT COUNSELING INFORMATION and Medication Guide. Identification Summary. Rebif (interferon beta-1a) is a disease-modifying therapy for relapsing forms of MS. And they trigger killer immune cells to fight those . 6,7. USES: This medication is used to treat various cancers (such as leukemia, melanoma, AIDS-related Kaposi's sarcoma). 6,7. vaginal bleeding or spotting between menstrual periods. Indications. interferon alfa n3 increases toxicity of aldesleukin by pharmacodynamic synergism. Learn about its uses, indications, and side effects. Use Caution/Monitor. Copaxone (glatiramer acetate) is an immunomodulator used to reduce the frequency of relapses in patients with multiple sclerosis (MS).It is not an interferon, but may be grouped with interferon betas Avonex and Betaseron; together the three first-line treatments are sometimes known as the "ABC" drugs for MS.The exact mechanism of action of Copaxone in patients with MS is unknown. Meaning of Interferons: Interferons are natural glycoproteins produced by virus-infected eukaryotic cells which protect host cells from virus infection. Interferon is, therefore, a critical part of the immune system. Experimental evidence indicates that HMPV infection of A549 cells induces the expression of RIG-I and MDA5, but only uses the RIG-I signaling pathway to initiate the expression of IFN-β . Interferon alfa-2b is in a class of medications called immunomodulators. Interferon beta is better tolerated than interferon alfa, but it can cause similar types of adverse effects. Drug type: Interferon alfa is a "biologic response modifier." To achieve the dose, incremental dose titration every 2 weeks is recommended (62.5 mcg subcutaneously every other day during weeks 1 and 2, 125 mcg subcutaneously every other day . 9 Multiple Sclerosis is a devastating neurodegenerative disease that is usually progressive and significantly debilitating with a profound impact on the quality of life. Some research indicates that interferon injections may result in an 18-38% reduction in the rate of MS relapses. Alpha interferons may induce or exacerbate ophthalmic disorders including decrease or loss of vision, retinopathy including macular edema, retinal artery or vein thrombosis, retinal hemorrhages and cotton wool spots, optic neuritis, papilledema and serous retinal detachment . A 'Starter Pack' containing a lower dose of Rebif syringes is available for the initial titration period; the prefilled syringes must be used for titration if the target dose is 22 mcg. . A (Interferon alfa2b) for intramuscular, subcutaneous, intralesional, or - intravenous Injection is a purified sterile recombinant interferon product. . Ø IFNβ is used in the treatment of multiple sclerosis (MS) and autoimmune disorders. BETASERON ® (interferon beta-1b) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.. Tell your doctor if any of these symptoms are severe or do not go away: headache. . Interferon is contraindicated in patients with known hypersensitivity to alpha interferons, to E coli-derived products, or to any component of the product. Clinical Uses of Interferons. The interferons have been found to have a wide array of clinical uses, which are the following: 1. Interferon beta-1a (Rebif) 44 mcg is equivalent to 12 million IU. Interferon alfa-2b works to treat hepatitis C virus (HCV) and hepatitis B virus (HBV) by decreasing the amount virus in the body. Adults. The recommended duration of therapy is 48 weeks. Interferon alfa-2a is a form of recombinant human interferon used to stimulate the innate antiviral response in the treatment of hepatitis B and C viruses.. Generic Name Interferon alfa-2a DrugBank Accession Number DB00034 Background. 12543. For temporary relief of mouth dryness, use sugarless candy or gum, melt bits of ice in your mouth, or use a saliva substitute. Your body's immune system makes them. Interferons also activate other cells that serve as part of the immune system and destroy invading pathogens. These are alpha and beta, also known as type 1, while gamma is known as type 2. The invention discloses a type I interferon receptor antibody and application thereof. Interferon alfa-2b injection and ribavirin combination may cause a dry mouth. Indications and Dosage. A reduction in white blood BETASERON® (interferon beta-1b) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults. BETASERON (interferon beta-1b) is indicated for the treatment of relapsing forms of multiple sclerosis to reduce the frequency of clinical exacerbations. Maintain the recommended pediatric dosage through the entire duration of therapy in patients who turn 18 years of age during therapy. Interferon has produced promising results in the treatment of certain viral diseases and various tumors. low levels of a type of white blood cell called neutrophils. Over the past 10 years, interferon use in clinical dermatology has extended beyond its historical antiviral efficacy. Interferon beta-1a intramuscular injection also comes as a solution (liquid) in prefilled injection syringes and in a prefilled automatic injection pen. Alpha interferons may cause mental health problems or make them worse. Feb. 01, 2022. This medication works by stopping viruses from dividing and by triggering our immune system to . In some cases, health care professionals may use the trade names Intron® A, Roferon®-A or other names such as IFN-alpha and alpha interferon when referring to the generic drug name interferon alfa. mental problems . It has antitumor properties, antiviral activities, and important immunoregulatory functions. Interferons are proteins that are part of your natural defenses. Premedication with acetaminophen or ibuprofen may lessen the severity of flu-like symptoms. Peginterferon alfa-2a is indicated, in combination with ribavirin, for the treatment of chronic hepatitis C (HCV) in patients 5 years and older with compensated liver disease, including patients with HCV and HIV coinfection (with a CD4 count greater than 100 cells/mm 3 ). In addition, it is indicated for chronic phase, Philadelphia chromosome (Ph) positive chronic myelogenous leukemia patients who are minimally pretreated (within 1 year of diagnosis). Risk of Serious Disorders: Interferon alfa products may cause or aggravate fatal or life-threatening neuropsychiatric, autoimmune, ischemic, and infectious disorders. Interferon gamma (IFN-γ), a pleotropic cytokine, has been shown to be important to the function of virtually all immune cells and both innate and adaptive immune responses.In 1986, early clinical trials of this cytokine began to evaluate its therapeutic potential. They tell your immune system that germs or cancer cells are in your body. Expand Section. Interferon is, therefore, a critical part of the immune system. ), were treated with Peg-IFN alfa-2b plus ribavirin and assessed after being . USES: This medication is used to treat multiple sclerosis (MS). Interferon gamma has properties distinctive from those of IFNs . This article discusses the clinical efficiency and therapeutic value of natural and recombinant interferon-alpha, -beta, and -gamma, alone . Interferon alfa-2b may not cure hepatitis B or hepatitis C or prevent you from developing complications from these infections such as cirrhosis . increased risk of bleeding due to clotting disorder. For precertification of interferons for the multiple sclerosis indication, call (866) 752-7021 (Commercial), (888) 503-0857 (Medicare), or fax (888) 267-3277. Interferon beta-1a, currently in use to treat multiple sclerosis, and interferon alfa-2b are both under investigation as potential treatments for people with COVID-19 coronavirus disease, the deadly respiratory pandemic caused by the SARS-nCoV-2 virus.. Natural interferon alpha or Multiferon is obtained from the leukocyte fraction of human blood following induction with Sendai virus. Interferons are classed as: alpha (from white cells), beta (from fibroblasts) and gamma (from . Medscape - Indication-specific dosing for Betaseron, Extavia (interferon beta 1b), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Virus uses GTP to transport molecules in a cell 3. Interferon does not act directly and specifically on the pathogenic virus, but exerts its effect by inhibition of the internal synthesis mechanisms of the infected cells. Interferon is not a cure for MS, but it may help to slow disease worsening and decrease flare-ups of symptoms (such as balance problems . Interferons are proteins produced by tumor cells or host cells that are infected with viruses, bacteria and other unknown nucleic acids. Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). Interferon alfa is approved for hairy-cell leukemia, condyloma acuminatum, Kaposi's sarcoma in the acquired immunodeficiency syndrome, and non-A, non-B (type C) viral hepatitis. Interferon beta-1a intramuscular injection comes as a powder in vials to be mixed into a solution for injection. Indications. INDICATIONS. USES: This medication is used to treat various cancers (such as leukemia, melanoma, AIDS-related Kaposi's sarcoma . Patients with multiple sclerosis in whom efficacy has been demonstrated include patients who have experienced a first clinical episode and have MRI features consistent with multiple sclerosis. Interferons are indicated for the following medical conditions: Treatment of chronic hepatitis C in adults; Treatment of multiple sclerosis in adults; Treatment of leukemias, Kaposi sarcoma, warts, AIDS-related complex, and malignant . Abstract. Identification Summary. Background & aims: This study investigated the efficacy and adverse effects of pegylated interferon (Peg-IFN) plus ribavirin therapy in aged patients with chronic hepatitis C (CH-C). interferon beta 1a and pexidartinib both increase Other (see comment). interferon 1. These antigens impart greater . . These are alpha and beta, also known as type 1, while gamma is known as type 2. Methods: A total of 1040 naïve patients with CH-C (genotype 1, n=759; genotype 2, n=281), of whom 240 (23%) over 65 years old (y.o. Reviewed By Ninel Z Gregori MD. USES: Peginterferon alfa-2a is used alone or in combination with . This medication is the same as a protein that your body naturally produces (interferon).