Nipocalimab
Generic Name: nipocalimab
Brand Names:
Imaavy
11 DESCRIPTION Nipocalimab-aahu, a neonatal Fc receptor blocker, is a recombinant human immunoglobulin G1 lambda (IgG1λ) monoclonal antibody, expressed in a genetically engineered Chinese hamster ovary cell line. Nipocalimab-aahu has an aglycosylated Fc region, therefore it lacks effector functions. Nipocalimab-aahu has an approximate molecular weight of 142 kilodaltons (kDa).
Overview
11 DESCRIPTION Nipocalimab-aahu, a neonatal Fc receptor blocker, is a recombinant human immunoglobulin G1 lambda (IgG1λ) monoclonal antibody, expressed in a genetically engineered Chinese hamster ovary cell line. Nipocalimab-aahu has an aglycosylated Fc region, therefore it lacks effector functions. Nipocalimab-aahu has an approximate molecular weight of 142 kilodaltons (kDa).
Uses
1 INDICATIONS AND USAGE IMAAVY is indicated for the treatment of generalized myasthenia gravis (gMG) in adult and pediatric patients 12 years of age and older who are anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase (MuSK) antibody positive. IMAAVY is a neonatal Fc receptor blocker indicated for the treatment of generalized myasthenia gravis (gMG) in adult and pediatric patients 12 years of age and older who are anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase (MuSK) antibody positive. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION See Full Prescribing Information for instructions on dosage, preparation, and administration. ( 2.1 , 2.2 , 2.3 ) Evaluate the need to administer age-appropriate vaccines according to immunization guidelines before initiation of IMAAVY. ( 2.1 ) Administer via intravenous infusion only. ( 2.2 ) The recommended initial dosage is 30 mg/kg once via intravenous infusion over at least 30 minutes. Two weeks after the initial dosage, administer a maintenance dosage of 15 mg/kg via intravenous infusion over at least 15 minutes, and continue every two weeks thereafter. ( 2.2 ) Must be diluted with 0.9% sodium chloride injection prior to administration. ( 2.3 ) Administer as an intravenous infusion via a 0.2 micron in-line or add-on filter.
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling Infections [see Warnings and Precautions (5.1) ] Hypersensitivity Reactions [see Warnings and Precautions (5.2) ] Infusion-related Reactions [see Warnings and Precautions (5.3) ] The most common adverse reactions (≥10%) in patients with gMG treated with IMAAVY were respiratory tract infections, peripheral edema, and muscle spasms. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Janssen Biotech, Inc. at 1-800-526-7736 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Interactions
7 DRUG INTERACTIONS Closely monitor for reduced effectiveness of medications that bind to the human neonatal Fc receptor. When concomitant long-term use of such medications is essential for patient care, consider discontinuing IMAAVY and using alternative therapies. ( 7 ) 7.1 Effect of IMAAVY on Other Drugs Concomitant use of IMAAVY with medications that bind to the human neonatal Fc receptor (FcRn) (e.g., immunoglobulin products, monoclonal antibodies, or antibody derivates containing the human Fc domain of the IgG subclass) may lower systemic exposures and reduce effectiveness of such medications. Closely monitor for reduced effectiveness of medications that bind to the human neonatal Fc receptor.
Warnings
5 WARNINGS AND PRECAUTIONS Infections: Delay administration of IMAAVY to patients with an active infection. Monitor for signs and symptoms of infection in patients treated with IMAAVY. If serious infection occurs, administer appropriate treatment and consider withholding IMAAVY until the infection has resolved. ( 5.1 ) Hypersensitivity Reactions: Angioedema, anaphylaxis, rash, urticaria, and eczema have occurred in patients treated with IMAAVY. If a hypersensitivity reaction occurs, discontinue the infusion and institute appropriate therapy. ( 5.2 ) Infusion-Related Reactions: If a severe infusion-related reaction occurs, discontinue the infusion and initiate appropriate therapy; consider the risks and benefits of readministering. 4 CONTRAINDICATIONS IMAAVY is contraindicated in patients with a history of serious hypersensitivity reaction to nipocalimab or any of the excipients in IMAAVY. Reactions have included anaphylaxis and angioedema [see Warnings and Precautions (5.2) ] . IMAAVY is contraindicated in patients with a history of serious hypersensitivity reaction to nipocalimab or to any of the excipients in IMAAVY.
Pregnancy
8.1 Pregnancy Risk Summary There are limited data on the use of IMAAVY in pregnant women to inform a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. There was no evidence of direct adverse effects on fetal development following administration of nipocalimab-aahu to pregnant monkeys; however, adverse effects on the placenta were associated with fetal loss at both doses tested (see Data ) . The background risk of major birth defects and miscarriage for the indicated population is unknown.
Storage
Storage and Handling Unopened Vials Store vials refrigerated at 2°C to 8°C (36°F to 46°F) in the original carton to protect from light until the time of use. Do not freeze. Do not shake. Diluted Solution For storage of the diluted IMAAVY solution, see Dosage and Administration (2.3) .
Frequently Asked Questions
What is Nipocalimab used for?▼
1 INDICATIONS AND USAGE IMAAVY is indicated for the treatment of generalized myasthenia gravis (gMG) in adult and pediatric patients 12 years of age and older who are anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase (MuSK) antibody positive. IMAAVY is a neonatal Fc receptor blocker indicated for the treatment of generalized myasthenia gravis (gMG) in adult and pediatric patients 12 years of age and older who are anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase (MuSK) antibody positive. ( 1 )
What are the side effects of Nipocalimab?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling Infections [see Warnings and Precautions (5.1) ] Hypersensitivity Reactions [see Warnings and Precautions (5.2) ] Infusion-related Reactions [see Warnings and Precautions (5.3) ] The most common adverse reactions (≥10%) in patients with gMG treated with IMAAVY were respiratory tract infections, peripheral edema, and muscle spasms. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Janssen Biotech, Inc. at 1-800-526-7736 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Can I take Nipocalimab during pregnancy?▼
8.1 Pregnancy Risk Summary There are limited data on the use of IMAAVY in pregnant women to inform a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. There was no evidence of direct adverse effects on fetal development following administration of nipocalimab-aahu to pregnant monkeys; however, adverse effects on the placenta were associated with fetal loss at both doses tested (see Data ) . The background risk of major birth defects and miscarriage for the indicated population is unknown.
What are the important warnings for Nipocalimab?▼
5 WARNINGS AND PRECAUTIONS Infections: Delay administration of IMAAVY to patients with an active infection. Monitor for signs and symptoms of infection in patients treated with IMAAVY. If serious infection occurs, administer appropriate treatment and consider withholding IMAAVY until the infection has resolved. ( 5.1 ) Hypersensitivity Reactions: Angioedema, anaphylaxis, rash, urticaria, and eczema have occurred in patients treated with IMAAVY. If a hypersensitivity reaction occurs, discontinue the infusion and institute appropriate therapy. ( 5.2 ) Infusion-Related Reactions: If a severe infusion-related reaction occurs, discontinue the infusion and initiate appropriate therapy; consider the risks and benefits of readministering. 4 CONTRAINDICATIONS IMAAVY is contraindicated in patients with a history of serious hypersensitivity reaction to nipocalimab or any of the excipients in IMAAVY. Reactions have included anaphylaxis and angioedema [see Warnings and Precautions (5.2) ] . IMAAVY is contraindicated in patients with a history of serious hypersensitivity reaction to nipocalimab or to any of the excipients in IMAAVY.
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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.