Givosiran Sodium
Generic Name: givosiran sodium
Brand Names:
Givlaari
11 DESCRIPTION GIVLAARI is an aminolevulinate synthase 1-directed small interfering RNA (siRNA), covalently linked to a ligand containing three N-acetylgalactosamine (GalNAc) residues to enable delivery of the siRNA to hepatocytes. The structural formulas of the givosiran drug substance in its sodium form, and the ligand (L96), are presented below.
Overview
11 DESCRIPTION GIVLAARI is an aminolevulinate synthase 1-directed small interfering RNA (siRNA), covalently linked to a ligand containing three N-acetylgalactosamine (GalNAc) residues to enable delivery of the siRNA to hepatocytes. The structural formulas of the givosiran drug substance in its sodium form, and the ligand (L96), are presented below.
Uses
1 INDICATIONS AND USAGE GIVLAARI is indicated for the treatment of adults with acute hepatic porphyria (AHP). GIVLAARI is an aminolevulinate synthase 1-directed small interfering RNA indicated for the treatment of adults with acute hepatic porphyria (AHP). ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION The recommended dose of GIVLAARI is 2.5 mg/kg once monthly by subcutaneous injection. ( 2.1 ) 2.1 Recommended Dosage The recommended dose of GIVLAARI is 2.5 mg/kg administered via subcutaneous injection once monthly. Dosing is based on actual body weight. Missed Dose Administer GIVLAARI as soon as possible after a missed dose. Resume dosing at monthly intervals following administration of the missed dose. Dose Modification for Adverse Reactions In patients with severe or clinically significant transaminase elevations, who have dose interruption and subsequent improvement, reduce the dose to 1.25 mg/kg once monthly [see Warnings and Precautions (5.2) ] .
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: Anaphylactic Reaction [see Warnings and Precautions (5.1) ] Transaminase Elevations [see Warnings and Precautions (5.2) ] Serum Creatinine Increase [see Warnings and Precautions (5.3) ] Injection Site Reactions [see Warnings and Precautions (5.4) ] Blood Homocysteine Increased [see Warnings and Precautions (5.5) ] Pancreatitis [see Warnings and Precautions (5.6) ] The most common adverse reactions (≥20% of patients) included nausea and injection site reactions. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Alnylam Pharmaceuticals at 1-877-256-9526 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Interactions
7 DRUG INTERACTIONS Sensitive CYP1A2 and CYP2D6 Substrates: Avoid concomitant use with CYP1A2 and CYP2D6 substrates for which minimal concentration changes may lead to serious or life-threatening toxicities. ( 7.1 ) 7.1 Effect of GIVLAARI on Other Drugs Sensitive CYP1A2 and CYP2D6 Substrates Concomitant use of GIVLAARI increases the concentration of CYP1A2 or CYP2D6 substrates [see Clinical Pharmacology (12.3) ] , which may increase adverse reactions of these substrates. Avoid concomitant use of GIVLAARI with CYP1A2 or CYP2D6 substrates, for which minimal concentration changes may lead to serious or life-threatening toxicities. If concomitant use is unavoidable, decrease the CYP1A2 or CYP2D6 substrate dosage in accordance with approved product labeling.
Warnings
5 WARNINGS AND PRECAUTIONS Anaphylactic Reaction: Ensure that medical support is available to appropriately manage anaphylactic reactions when administering GIVLAARI. Monitor for signs and symptoms. If anaphylaxis occurs, discontinue GIVLAARI and administer appropriate medical treatment. ( 5.1 ) Hepatic Toxicity: Measure liver function at baseline and periodically during treatment with GIVLAARI. Interrupt or discontinue treatment with GIVLAARI for severe or clinically significant transaminase elevations. ( 2.1 , 5.2 ) Renal Toxicity: Monitor renal function during treatment with GIVLAARI as clinically indicated. ( 5.3 ) Injection Site Reactions: May occur, including recall reactions. Monitor for reactions and manage clinically as needed. 4 CONTRAINDICATIONS GIVLAARI is contraindicated in patients with known severe hypersensitivity to givosiran. Reactions have included anaphylaxis [see Warnings and Precautions (5.1) ]. Severe hypersensitivity to givosiran. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary In animal reproduction studies, subcutaneous administration of givosiran to pregnant rabbits during the period of organogenesis resulted in adverse developmental outcomes at doses that produced maternal toxicity (see Data ). There are no available data with GIVLAARI use in pregnant women to evaluate a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. Consider the benefits and risks of GIVLAARI for the mother and potential adverse effects to the fetus when prescribing GIVLAARI to a pregnant woman.
Storage
16.2 Storage and Handling Store at 2°C to 25°C (36°F to 77°F). Store GIVLAARI in its original container until ready for use.
Frequently Asked Questions
What is Givosiran Sodium used for?▼
1 INDICATIONS AND USAGE GIVLAARI is indicated for the treatment of adults with acute hepatic porphyria (AHP). GIVLAARI is an aminolevulinate synthase 1-directed small interfering RNA indicated for the treatment of adults with acute hepatic porphyria (AHP). ( 1 )
What are the side effects of Givosiran Sodium?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are discussed in greater detail in other sections of the labeling: Anaphylactic Reaction [see Warnings and Precautions (5.1) ] Transaminase Elevations [see Warnings and Precautions (5.2) ] Serum Creatinine Increase [see Warnings and Precautions (5.3) ] Injection Site Reactions [see Warnings and Precautions (5.4) ] Blood Homocysteine Increased [see Warnings and Precautions (5.5) ] Pancreatitis [see Warnings and Precautions (5.6) ] The most common adverse reactions (≥20% of patients) included nausea and injection site reactions. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Alnylam Pharmaceuticals at 1-877-256-9526 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Can I take Givosiran Sodium during pregnancy?▼
8.1 Pregnancy Risk Summary In animal reproduction studies, subcutaneous administration of givosiran to pregnant rabbits during the period of organogenesis resulted in adverse developmental outcomes at doses that produced maternal toxicity (see Data ). There are no available data with GIVLAARI use in pregnant women to evaluate a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. Consider the benefits and risks of GIVLAARI for the mother and potential adverse effects to the fetus when prescribing GIVLAARI to a pregnant woman.
What are the important warnings for Givosiran Sodium?▼
5 WARNINGS AND PRECAUTIONS Anaphylactic Reaction: Ensure that medical support is available to appropriately manage anaphylactic reactions when administering GIVLAARI. Monitor for signs and symptoms. If anaphylaxis occurs, discontinue GIVLAARI and administer appropriate medical treatment. ( 5.1 ) Hepatic Toxicity: Measure liver function at baseline and periodically during treatment with GIVLAARI. Interrupt or discontinue treatment with GIVLAARI for severe or clinically significant transaminase elevations. ( 2.1 , 5.2 ) Renal Toxicity: Monitor renal function during treatment with GIVLAARI as clinically indicated. ( 5.3 ) Injection Site Reactions: May occur, including recall reactions. Monitor for reactions and manage clinically as needed. 4 CONTRAINDICATIONS GIVLAARI is contraindicated in patients with known severe hypersensitivity to givosiran. Reactions have included anaphylaxis [see Warnings and Precautions (5.1) ]. Severe hypersensitivity to givosiran. ( 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.