Interferon Gamma-1b
Generic Name: interferon gamma-1b
Brand Names:
Actimmune
11 DESCRIPTION ACTIMMUNE (Interferon gamma-1b), an interferon gamma, is a single-chain polypeptide containing 140 amino acids. Production of ACTIMMUNE is achieved by fermentation of a genetically engineered Escherichia coli bacterium containing the DNA which encodes for the recombinant protein. Purification of the product is achieved by conventional column chromatography.
Overview
11 DESCRIPTION ACTIMMUNE (Interferon gamma-1b), an interferon gamma, is a single-chain polypeptide containing 140 amino acids. Production of ACTIMMUNE is achieved by fermentation of a genetically engineered Escherichia coli bacterium containing the DNA which encodes for the recombinant protein. Purification of the product is achieved by conventional column chromatography.
Uses
1 INDICATIONS AND USAGE ACTIMMUNE is indicated for reducing the frequency and severity of serious infections associated with Chronic Granulomatous Disease (CGD). ACTIMMUNE is indicated for delaying time to disease progression in patients with severe, malignant osteopetrosis (SMO). ACTIMMUNE is an interferon gamma indicated for: Reducing the frequency and severity of serious infections associated with Chronic Granulomatous Disease (CGD) ( 1 ) Delaying time to disease progression in patients with severe, malignant osteopetrosis (SMO) ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION For subcutaneous use only ( 2.1 ) The recommended dose is 50 mcg/m 2 for patients whose body surface area is greater than 0.5 m 2 and 1.5 mcg/kg/dose for patients whose body surface area is equal to or less than 0.5 m 2 three times weekly. ( 2.1 ) Monitor hematology, blood chemistries and urinalysis prior to the beginning of treatment and at 3-month intervals. ( 2.1 ) If severe reactions occur, reduce dose by 50 percent or discontinue therapy until the adverse reaction abates.
Side Effects
6 ADVERSE REACTIONS The following adverse reactions are described below and elsewhere in the warnings and precautions section of the labeling: Cardiovascular Disorders [see Warnings and Precautions (5.1) ] Neurologic Disorders [see Warnings and Precautions (5.2) ] Bone Marrow Toxicity [see Warnings and Precautions (5.3) ] Hepatic Toxicity [see Warnings and Precautions (5.4) ] Hypersensitivity Reactions [see Warnings and Precautions (5.5) ] Renal Toxicity [see Warnings and Precautions (5.6) ] Common adverse reactions (incidence rate 2% or greater) for ACTIMMUNE include fever, headache, rash, chills, injection site erythema or tenderness, fatigue, diarrhea.
Interactions
7 DRUG INTERACTIONS Concomitant use of drugs with neurotoxic, hematotoxic or cardiotoxic effects may increase the toxicity of interferons. ( 7.2 ) Avoid simultaneous administration of ACTIMMUNE with other heterologous serum protein or immunological preparations (e.g., vaccines). ( 7.3 ) 7.1 Myelosuppressive Agents When administering ACTIMMUNE in combination with other potentially myelosuppressive agents, monitor neutrophil and platelet counts [see Warnings and Precautions (5.3) ] . 7.2 Drugs with Neurotoxic, Hematoxic or Cardiotoxic Effects The concurrent use of drugs having neurotoxic (including effects on the central nervous system), hematotoxic, or cardiotoxic effects may increase the toxicity of interferons in these systems.
Warnings
5 WARNINGS AND PRECAUTIONS Cardiovascular Disorders : Pre-existing cardiac conditions may be exacerbated. ( 5.1 ) Neurologic Disorders : Reduce dose or discontinue if decreased mental status, gait disturbance, dizziness occur. ( 5.2 ) Bone Marrow Toxicity : Monitor for neutropenia and thrombocytopenia particularly when administering ACTIMMUNE in combination with other potentially myelosuppressive agents. ( 5.3 ) Hepatic Toxicity : Reduce dose or discontinue to reverse severe elevations of aspartate transaminase (AST) and/or alanine transaminase (ALT); monitor liver function monthly in patients less than 1 year old. ( 5.4 ) Hypersensitivity Reactions: If serious hypersensitivity reactions occur, discontinue and institute appropriate medical therapy. 4 CONTRAINDICATIONS ACTIMMUNE is contraindicated in patients who develop or have known hypersensitivity to interferon gamma, E. coli derived products, or any component of the product. Known hypersensitivity to interferon gamma, E. coli derived products, or any component of the product ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary There are no adequate and well-controlled studies in pregnant women. ACTIMMUNE should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Animal Data ACTIMMUNE has shown an increased incidence of abortions in primates when given from gestation day 20 to 80 in doses approximately 100 times the human dose. A study in pregnant primates treated with subcutaneous doses 2 – 100 times the human dose failed to demonstrate teratogenic activity for ACTIMMUNE.
Storage
16.2 Storage and Handling Store vials in the refrigerator at 2 to 8 °C (36 °F – 46 °F). Do Not Freeze. Avoid excessive or vigorous agitation. Do Not Shake . An unused vial of ACTIMMUNE can be stored at room temperature up to 12 hours prior to use. Discard vials if not used within the 12 hour period. Do not return to the refrigerator.
Frequently Asked Questions
What is Interferon Gamma-1b used for?▼
1 INDICATIONS AND USAGE ACTIMMUNE is indicated for reducing the frequency and severity of serious infections associated with Chronic Granulomatous Disease (CGD). ACTIMMUNE is indicated for delaying time to disease progression in patients with severe, malignant osteopetrosis (SMO). ACTIMMUNE is an interferon gamma indicated for: Reducing the frequency and severity of serious infections associated with Chronic Granulomatous Disease (CGD) ( 1 ) Delaying time to disease progression in patients with severe, malignant osteopetrosis (SMO) ( 1 )
What are the side effects of Interferon Gamma-1b?▼
6 ADVERSE REACTIONS The following adverse reactions are described below and elsewhere in the warnings and precautions section of the labeling: Cardiovascular Disorders [see Warnings and Precautions (5.1) ] Neurologic Disorders [see Warnings and Precautions (5.2) ] Bone Marrow Toxicity [see Warnings and Precautions (5.3) ] Hepatic Toxicity [see Warnings and Precautions (5.4) ] Hypersensitivity Reactions [see Warnings and Precautions (5.5) ] Renal Toxicity [see Warnings and Precautions (5.6) ] Common adverse reactions (incidence rate 2% or greater) for ACTIMMUNE include fever, headache, rash, chills, injection site erythema or tenderness, fatigue, diarrhea.
Can I take Interferon Gamma-1b during pregnancy?▼
8.1 Pregnancy Risk Summary There are no adequate and well-controlled studies in pregnant women. ACTIMMUNE should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Animal Data ACTIMMUNE has shown an increased incidence of abortions in primates when given from gestation day 20 to 80 in doses approximately 100 times the human dose. A study in pregnant primates treated with subcutaneous doses 2 – 100 times the human dose failed to demonstrate teratogenic activity for ACTIMMUNE.
What are the important warnings for Interferon Gamma-1b?▼
5 WARNINGS AND PRECAUTIONS Cardiovascular Disorders : Pre-existing cardiac conditions may be exacerbated. ( 5.1 ) Neurologic Disorders : Reduce dose or discontinue if decreased mental status, gait disturbance, dizziness occur. ( 5.2 ) Bone Marrow Toxicity : Monitor for neutropenia and thrombocytopenia particularly when administering ACTIMMUNE in combination with other potentially myelosuppressive agents. ( 5.3 ) Hepatic Toxicity : Reduce dose or discontinue to reverse severe elevations of aspartate transaminase (AST) and/or alanine transaminase (ALT); monitor liver function monthly in patients less than 1 year old. ( 5.4 ) Hypersensitivity Reactions: If serious hypersensitivity reactions occur, discontinue and institute appropriate medical therapy. 4 CONTRAINDICATIONS ACTIMMUNE is contraindicated in patients who develop or have known hypersensitivity to interferon gamma, E. coli derived products, or any component of the product. Known hypersensitivity to interferon gamma, E. coli derived products, or any component of the product ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.