Concizumab
Generic Name: concizumab
Brand Names:
Alhemo
11 DESCRIPTION Concizumab-mtci, is a humanized IgG4 monoclonal antibody produced by recombinant DNA technology in Chinese Hamster Ovary (CHO) cells with an approximate molecular weight of 149 kDa. Alhemo (concizumab-mtci) injection is a clear to slightly opalescent, and colorless to slightly yellow solution that may contain translucent to white particles. Alhemo is supplied as a single-patient-use prefilled pen for subcutaneous injection.
Overview
11 DESCRIPTION Concizumab-mtci, is a humanized IgG4 monoclonal antibody produced by recombinant DNA technology in Chinese Hamster Ovary (CHO) cells with an approximate molecular weight of 149 kDa. Alhemo (concizumab-mtci) injection is a clear to slightly opalescent, and colorless to slightly yellow solution that may contain translucent to white particles. Alhemo is supplied as a single-patient-use prefilled pen for subcutaneous injection.
Uses
1 INDICATIONS AND USAGE Alhemo is indicated for routine prophylaxis to prevent or reduce the frequency of bleeding episodes in adult and pediatric patients 12 years of age and older with: • hemophilia A (congenital factor VIII deficiency) with or without FVIII inhibitors • hemophilia B (congenital factor IX deficiency) with or without FIX inhibitors Alhemo is a tissue factor pathway inhibitor (TFPI) antagonist indicated for routine prophylaxis to prevent or reduce the frequency of bleeding episodes in adult and pediatric patients 12 years of age and older with: • hemophilia A (congenital factor VIII deficiency) with or without FVIII inhibitors • hemophilia B (congenital factor IX deficiency) with or without FIX inhibitors ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Administer Alhemo by subcutaneous injection to the abdomen or thigh with daily rotation of injection sites. ( 2.2 ) Recommended dosing regimen: • Day 1: Loading dose of 1 mg/kg • Day 2: Once daily dose of 0.2 mg/kg until individualization of maintenance dose ( 2.1 ) o 4 weeks after initiation of treatment: For dose optimization, measure concizumab‑mtci plasma concentration by Concizumab Enzyme-Linked Immunosorbent Assay (ELISA) prior to administration of next scheduled dose using an FDA-authorized test for the measurement of concizumab-mtci concentration in plasma. See full Prescribing Information for important preparation and administration instructions and dosage adjustment. ( 2.1 , 2.3 , 2.4 ) 2.1 Recommended Dosage For subcutaneous use only.
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: • Thromboembolic Events [see Warnings and Precautions ( 5.1 )] • Hypersensitivity Reactions [see Warnings and Precautions ( 5.2 )] • Increased Laboratory Values of Fibrin D-dimer and Prothrombin Fragment 1.2 [see Warnings and Precautions ( 5.3 )] The most frequently reported adverse reactions (incidence ≥5%) were injection site reactions, headache and urticaria. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Novo Nordisk Inc. at 1-800-727-6500 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Interactions
7 DRUG INTERACTIONS Breakthrough Bleeding Treatment: While treatment with all bypassing agents (e.g., rFVIIa or aPCC) can be used for breakthrough bleeds, high and/or frequent doses of FVIII, FIX, or bypassing agents with Alhemo increases the risk of thromboembolism. ( 7.1 ) 7.1 Breakthrough Bleeding Treatment Take appropriate precautions when treating breakthrough bleeding events in hemophilia patients receiving Alhemo prophylaxis and FVIII or FIX or a bypassing agent [see Dosage and Administration ( 2.1 )] . For mild and moderate bleeds that require additional treatment with FVIII or FIX or bypassing agents (e.g., rFVIIa or aPCC), the lowest-approved dose in the approved product labeling is recommended. For aPCC, a maximum dose of 100 units/kg body weight within 24 hours is recommended.
Warnings
5 WARNINGS AND PRECAUTIONS • Thromboembolic Events: Monitor patients for thromboembolic events. Advise patients to report signs and symptoms, and if they occur discontinue prophylaxis. ( 5.1 ) • Hypersensitivity Reactions: In the event of a severe hypersensitivity reaction, discontinue Alhemo. ( 5.2 ) • Increased Laboratory Values of Fibrin D dimer and Prothrombin Fragment 1.2: Alhemo increases values of fibrin D dimer and prothrombin fragment 1.2. ( 5.3 ) 5.1 Thromboembolic Events Alhemo may cause thromboembolic events. Venous and arterial thromboembolic events were reported in 1.9% of patients (6/320) in Alhemo clinical trials. 4 CONTRAINDICATIONS Alhemo is contraindicated in patients with a history of known serious hypersensitivity to Alhemo or its components or the inactive ingredients [see Warnings and Precautions ( 5.1 )and Description ( 11 )]. Alhemo is contraindicated in patients with a history of known serious hypersensitivity to Alhemo or its components or the inactive ingredients. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on its mechanism of action, Alhemo may cause fetal harm when administered to a pregnant woman [see Clinical Pharmacology ( 12.1 )] . There are no available data on Alhemo use in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage or other adverse maternal or fetal outcomes. Animal reproduction studies have not been conducted with Alhemo. Although there are no data on concizumab-mtci, monoclonal antibodies can be actively transported across the placenta, and concizumab-mtci may cause fetal harm.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING How Supplied Alhemo (concizumab-mtci) injection is a clear to slightly opalescent, colorless to slightly yellow liquid, that may contain translucent to white particles. Alhemo is available as one single-patient-use prefilled pen per carton in the following presentations (see Table 4 ): Table 4.
Frequently Asked Questions
What is Concizumab used for?▼
1 INDICATIONS AND USAGE Alhemo is indicated for routine prophylaxis to prevent or reduce the frequency of bleeding episodes in adult and pediatric patients 12 years of age and older with: • hemophilia A (congenital factor VIII deficiency) with or without FVIII inhibitors • hemophilia B (congenital factor IX deficiency) with or without FIX inhibitors Alhemo is a tissue factor pathway inhibitor (TFPI) antagonist indicated for routine prophylaxis to prevent or reduce the frequency of bleeding episodes in adult and pediatric patients 12 years of age and older with: • hemophilia A (congenital factor VIII deficiency) with or without FVIII inhibitors • hemophilia B (congenital factor IX deficiency) with or without FIX inhibitors ( 1 )
What are the side effects of Concizumab?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: • Thromboembolic Events [see Warnings and Precautions ( 5.1 )] • Hypersensitivity Reactions [see Warnings and Precautions ( 5.2 )] • Increased Laboratory Values of Fibrin D-dimer and Prothrombin Fragment 1.2 [see Warnings and Precautions ( 5.3 )] The most frequently reported adverse reactions (incidence ≥5%) were injection site reactions, headache and urticaria. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Novo Nordisk Inc. at 1-800-727-6500 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Can I take Concizumab during pregnancy?▼
8.1 Pregnancy Risk Summary Based on its mechanism of action, Alhemo may cause fetal harm when administered to a pregnant woman [see Clinical Pharmacology ( 12.1 )] . There are no available data on Alhemo use in pregnant women to evaluate for a drug-associated risk of major birth defects, miscarriage or other adverse maternal or fetal outcomes. Animal reproduction studies have not been conducted with Alhemo. Although there are no data on concizumab-mtci, monoclonal antibodies can be actively transported across the placenta, and concizumab-mtci may cause fetal harm.
What are the important warnings for Concizumab?▼
5 WARNINGS AND PRECAUTIONS • Thromboembolic Events: Monitor patients for thromboembolic events. Advise patients to report signs and symptoms, and if they occur discontinue prophylaxis. ( 5.1 ) • Hypersensitivity Reactions: In the event of a severe hypersensitivity reaction, discontinue Alhemo. ( 5.2 ) • Increased Laboratory Values of Fibrin D dimer and Prothrombin Fragment 1.2: Alhemo increases values of fibrin D dimer and prothrombin fragment 1.2. ( 5.3 ) 5.1 Thromboembolic Events Alhemo may cause thromboembolic events. Venous and arterial thromboembolic events were reported in 1.9% of patients (6/320) in Alhemo clinical trials. 4 CONTRAINDICATIONS Alhemo is contraindicated in patients with a history of known serious hypersensitivity to Alhemo or its components or the inactive ingredients [see Warnings and Precautions ( 5.1 )and Description ( 11 )]. Alhemo is contraindicated in patients with a history of known serious hypersensitivity to Alhemo or its components or the inactive ingredients. ( 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.