Interferon Beta-1b
Generic Name: interferon beta-1b
Brand Names:
Betaseron
11 DESCRIPTION Interferon beta-1b is a purified, sterile, lyophilized protein product produced by recombinant DNA techniques. Interferon beta-1b is manufactured by bacterial fermentation of a strain of Escherichia coli that bears a genetically engineered plasmid containing the gene for human interferon betaser17. The native gene was obtained from human fibroblasts and altered in a way that substitutes serine for the cysteine residue found at position 17.
Overview
11 DESCRIPTION Interferon beta-1b is a purified, sterile, lyophilized protein product produced by recombinant DNA techniques. Interferon beta-1b is manufactured by bacterial fermentation of a strain of Escherichia coli that bears a genetically engineered plasmid containing the gene for human interferon betaser17. The native gene was obtained from human fibroblasts and altered in a way that substitutes serine for the cysteine residue found at position 17.
Uses
1 INDICATIONS AND USAGE BETASERON is indicated for the treatment of relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults. BETASERON is an interferon beta indicated for the treatment of relapsing forms of multiple sclerosis, to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION • For subcutaneous use only ( 2.1 ) • The recommended dose is 0.25 mg every other day. Generally, start at 0.0625 mg (0.25 mL) every other day, and increase over a six-week period to 0.25 mg (1 mL) every other day. ( 2.1 ) • Reconstitute lyophilized powder with supplied diluent ( 2.2 ) 2.1 Dosing Information The recommended starting dose is 0.0625 mg (0.25 mL) subcutaneously every other day, with dose increases over a six-week period to the recommended dose of 0.25 mg (1 mL) every other day (see Table 1 ).
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are discussed in more details in other sections of labeling: • Hepatic Injury [see Warnings and Precautions ( 5.1 )] • Anaphylaxis and Other Allergic Reactions [see Warnings and Precautions ( 5.2 )] • Depression and Suicide [see Warnings and Precautions ( 5.3 )] • Congestive Heart Failure [see Warnings and Precautions ( 5.4 )] • Injection Site Reactions Including Necrosis [see Warnings and Precautions ( 5.5 )] • Leukopenia [see Warnings and Precautions ( 5.6 )] • Thrombotic Microangiopathy [see Warnings and Precautions ( 5.7 )] • Pulmonary Arterial Hypertension [see Warnings and Precautions ( 5.8 )] • Flu-like Symptom Complex [see Warnings and Precautions ( 5.9 )] • Seizures [see Warnings and Precautions ( 5.10 )] • Drug Induced L...
Warnings
5 WARNINGS AND PRECAUTIONS • Hepatic Injury: Monitor liver function tests and signs and symptoms of hepatic injury; consider discontinuing BETASERON if serious hepatic injury occurs. ( 5.1 , 5.11 ) • Anaphylaxis and Other Allergic Reactions: Discontinue if anaphylaxis occurs. ( 5.2 ) • Depression and Suicide: Advise patients to immediately report any symptom of depression and/or suicidal ideation; consider discontinuation of BETASERON if depression occurs. ( 5.3 ) • Congestive Heart Failure (CHF): Monitor patients with CHF for worsening of cardiac symptoms; consider discontinuation of BETASERON if worsening of CHF occurs. 4 CONTRAINDICATIONS BETASERON is contraindicated in patients with a history of hypersensitivity to natural or recombinant interferon beta, Albumin (Human), or any other component of the formulation. History of hypersensitivity to natural or recombinant interferon beta, albumin or mannitol ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Although there have been no well-controlled studies in pregnant women, available data, which includes prospective observational studies, have not generally indicated a drug-associated risk of major birth defects with interferon beta-1b during pregnancy. Administration of BETASERON to monkeys during gestation resulted in increased embryo-fetal death at or above exposures greater than 3 times the human therapeutic dose ( see Animal Data ). In the U.S.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING 16.1 How Supplied BETASERON is supplied as a lyophilized powder in a clear glass, single-dose vial (3 mL capacity). Each carton contains 5 single-dose cartons (NDC 50419-524-05) or 14 single-dose cartons (NDC 50419-524-35).
Frequently Asked Questions
What is Interferon Beta-1b used for?▼
1 INDICATIONS AND USAGE BETASERON is indicated for the treatment of relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults. BETASERON is an interferon beta indicated for the treatment of relapsing forms of multiple sclerosis, to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults. ( 1 )
What are the side effects of Interferon Beta-1b?▼
6 ADVERSE REACTIONS The following serious adverse reactions are discussed in more details in other sections of labeling: • Hepatic Injury [see Warnings and Precautions ( 5.1 )] • Anaphylaxis and Other Allergic Reactions [see Warnings and Precautions ( 5.2 )] • Depression and Suicide [see Warnings and Precautions ( 5.3 )] • Congestive Heart Failure [see Warnings and Precautions ( 5.4 )] • Injection Site Reactions Including Necrosis [see Warnings and Precautions ( 5.5 )] • Leukopenia [see Warnings and Precautions ( 5.6 )] • Thrombotic Microangiopathy [see Warnings and Precautions ( 5.7 )] • Pulmonary Arterial Hypertension [see Warnings and Precautions ( 5.8 )] • Flu-like Symptom Complex [see Warnings and Precautions ( 5.9 )] • Seizures [see Warnings and Precautions ( 5.10 )] • Drug Induced L...
Can I take Interferon Beta-1b during pregnancy?▼
8.1 Pregnancy Risk Summary Although there have been no well-controlled studies in pregnant women, available data, which includes prospective observational studies, have not generally indicated a drug-associated risk of major birth defects with interferon beta-1b during pregnancy. Administration of BETASERON to monkeys during gestation resulted in increased embryo-fetal death at or above exposures greater than 3 times the human therapeutic dose ( see Animal Data ). In the U.S.
What are the important warnings for Interferon Beta-1b?▼
5 WARNINGS AND PRECAUTIONS • Hepatic Injury: Monitor liver function tests and signs and symptoms of hepatic injury; consider discontinuing BETASERON if serious hepatic injury occurs. ( 5.1 , 5.11 ) • Anaphylaxis and Other Allergic Reactions: Discontinue if anaphylaxis occurs. ( 5.2 ) • Depression and Suicide: Advise patients to immediately report any symptom of depression and/or suicidal ideation; consider discontinuation of BETASERON if depression occurs. ( 5.3 ) • Congestive Heart Failure (CHF): Monitor patients with CHF for worsening of cardiac symptoms; consider discontinuation of BETASERON if worsening of CHF occurs. 4 CONTRAINDICATIONS BETASERON is contraindicated in patients with a history of hypersensitivity to natural or recombinant interferon beta, Albumin (Human), or any other component of the formulation. History of hypersensitivity to natural or recombinant interferon beta, albumin or mannitol ( 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.