Rezafungin
Generic Name: rezafungin
Brand Names:
Rezzayo
11 DESCRIPTION REZZAYO (rezafungin for injection), for intravenous use is a sterile solid (cake or powder) that contains rezafungin acetate. Rezafungin acetate is a semisynthetic lipopeptide synthesized from a fermentation product of Aspergillus nidulans . REZZAYO is an echinocandin, a class of antifungal drugs that inhibits the synthesis of 1,3-β-D-glucan, an essential component of fungal cell walls. REZZAYO contains 210 mg of rezafungin acetate, equivalent to 200 mg of rezafungin.
Overview
11 DESCRIPTION REZZAYO (rezafungin for injection), for intravenous use is a sterile solid (cake or powder) that contains rezafungin acetate. Rezafungin acetate is a semisynthetic lipopeptide synthesized from a fermentation product of Aspergillus nidulans . REZZAYO is an echinocandin, a class of antifungal drugs that inhibits the synthesis of 1,3-β-D-glucan, an essential component of fungal cell walls. REZZAYO contains 210 mg of rezafungin acetate, equivalent to 200 mg of rezafungin.
Uses
1 INDICATIONS AND USAGE REZZAYO is an echinocandin antifungal indicated in patients 18 years of age or older who have limited or no alternative options for the treatment of candidemia and invasive candidiasis. Approval of this indication is based on limited clinical safety and efficacy data for REZZAYO. ( 1 , 12.4 , 14 ) Limitations of Use REZZAYO has not been studied in patients with endocarditis, osteomyelitis, and meningitis due to Candida. ( 1 ) 1.1 Indication REZZAYO is indicated in patients 18 years of age or older who have limited or no alternative options for the treatment of candidemia and invasive candidiasis [see Microbiology ( 12.4 )] . Approval of this indication is based on limited clinical safety and efficacy data for REZZAYO [see Clinical Studies ( 14 )] .
Dosage
2 DOSAGE AND ADMINISTRATION Administer the recommended dosage of REZZAYO once weekly by intravenous (IV) infusion, with an initial 400 mg loading dose, followed by a 200 mg dose once weekly thereafter. The safety of REZZAYO has not been established beyond 4 weekly doses. ( 2.1 ) See full prescribing information for reconstitution, dilution, and administration instructions. ( 2.2 , 2.3 , 2.4 ) 2.1 Recommended Dosage Administer the recommended dosage of REZZAYO once weekly by intravenous (IV) infusion, with an initial 400 mg loading dose, followed by a 200 mg dose once weekly thereafter. The safety of REZZAYO has not been established beyond 4 weekly doses [see Adverse Reactions ( 6.1 )] . REZZAYO is for intravenous infusion only [see Dosage and Administration ( 2.4 )] .
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Hypersensitivity Reactions, including Anaphylaxis [see Warnings and Precautions ( 5.1 )] Infusion-related Reactions [see Warnings and Precautions ( 5.2 )] Hepatic Adverse Reactions [see Warnings and Precautions ( 5.4 )] Most common adverse reactions (incidence ≥ 5%) are hypokalemia, pyrexia, diarrhea, anemia, vomiting, nausea, hypomagnesemia, abdominal pain, constipation, and hypophosphatemia. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Melinta Therapeutics at 1-844-633-6568 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Warnings
5 WARNINGS AND PRECAUTIONS Hypersensitivity Reactions, including Anaphylaxis: Cases of serious hypersensitivity reactions, including anaphylaxis, have been reported in patients receiving REZZAYO. If these reactions occur, discontinue REZZAYO and administer appropriate treatment ( 5.1 ). Infusion-related Reactions: REZZAYO may cause infusion-related reactions, including flushing, sensation of warmth, urticaria, nausea, or chest tightness. If these reactions occur, slow or pause the infusion. ( 5.2 ) Photosensitivity: REZZAYO may cause photosensitivity. Advise patients to use protection from sun exposure and other sources of UV radiation. ( 5.3 ) Hepatic Adverse Reactions: Abnormalities in liver tests have been seen in clinical trial patients treated with REZZAYO. 4 CONTRAINDICATIONS REZZAYO is contraindicated in patients with known hypersensitivity to rezafungin or other echinocandins. Known hypersensitivity to rezafungin or other echinocandins. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary There are no data on the use of REZZAYO during pregnancy to evaluate for a drug-associated risk of major birth defects, miscarriage, or other adverse maternal or fetal outcomes. No adverse embryofetal outcomes were observed when rezafungin was dosed intravenously to pregnant rats or rabbits during the period of organogenesis up to approximately 5 or 3 times the clinical exposure based on AUC comparison (see Data ) .
Storage
16.2 Storage and Handling REZZAYO Vials REZZAYO vials should be stored at 20°C to 25°C (68°F to 77°F). Brief exposure to 15°C to 30°C (59°F to 86°F) permitted [see USP Controlled Room Temperature]. Reconstituted Solution REZZAYO reconstituted solution can be stored between 5°C (41°F) and 25°C (77°F) for up to 24 hours [see Dosage and Administration ( 2.3 )] .
Frequently Asked Questions
What is Rezafungin used for?▼
1 INDICATIONS AND USAGE REZZAYO is an echinocandin antifungal indicated in patients 18 years of age or older who have limited or no alternative options for the treatment of candidemia and invasive candidiasis. Approval of this indication is based on limited clinical safety and efficacy data for REZZAYO. ( 1 , 12.4 , 14 ) Limitations of Use REZZAYO has not been studied in patients with endocarditis, osteomyelitis, and meningitis due to Candida. ( 1 ) 1.1 Indication REZZAYO is indicated in patients 18 years of age or older who have limited or no alternative options for the treatment of candidemia and invasive candidiasis [see Microbiology ( 12.4 )] . Approval of this indication is based on limited clinical safety and efficacy data for REZZAYO [see Clinical Studies ( 14 )] .
What are the side effects of Rezafungin?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Hypersensitivity Reactions, including Anaphylaxis [see Warnings and Precautions ( 5.1 )] Infusion-related Reactions [see Warnings and Precautions ( 5.2 )] Hepatic Adverse Reactions [see Warnings and Precautions ( 5.4 )] Most common adverse reactions (incidence ≥ 5%) are hypokalemia, pyrexia, diarrhea, anemia, vomiting, nausea, hypomagnesemia, abdominal pain, constipation, and hypophosphatemia. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Melinta Therapeutics at 1-844-633-6568 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Can I take Rezafungin during pregnancy?▼
8.1 Pregnancy Risk Summary There are no data on the use of REZZAYO during pregnancy to evaluate for a drug-associated risk of major birth defects, miscarriage, or other adverse maternal or fetal outcomes. No adverse embryofetal outcomes were observed when rezafungin was dosed intravenously to pregnant rats or rabbits during the period of organogenesis up to approximately 5 or 3 times the clinical exposure based on AUC comparison (see Data ) .
What are the important warnings for Rezafungin?▼
5 WARNINGS AND PRECAUTIONS Hypersensitivity Reactions, including Anaphylaxis: Cases of serious hypersensitivity reactions, including anaphylaxis, have been reported in patients receiving REZZAYO. If these reactions occur, discontinue REZZAYO and administer appropriate treatment ( 5.1 ). Infusion-related Reactions: REZZAYO may cause infusion-related reactions, including flushing, sensation of warmth, urticaria, nausea, or chest tightness. If these reactions occur, slow or pause the infusion. ( 5.2 ) Photosensitivity: REZZAYO may cause photosensitivity. Advise patients to use protection from sun exposure and other sources of UV radiation. ( 5.3 ) Hepatic Adverse Reactions: Abnormalities in liver tests have been seen in clinical trial patients treated with REZZAYO. 4 CONTRAINDICATIONS REZZAYO is contraindicated in patients with known hypersensitivity to rezafungin or other echinocandins. Known hypersensitivity to rezafungin or other echinocandins. ( 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.