Remimazolam Besylate
Generic Name: remimazolam besylate
Brand Names:
Byfavo
11 DESCRIPTION Each glass, single-patient-use, sterile vial of BYFAVO (remimazolam) for injection contains 20 mg remimazolam, equivalent to 27.2 mg remimazolam besylate. Remimazolam is a benzodiazepine. Its chemical description is 4H-imidazol[1,2-a][1,4]benzodiazepine-4-propionic acid, 8-bromo-1-methyl-6-(2-pyridinyl)-(4S)-, methyl ester, benzenesulfonate (1:1). The structural formulas are shown below. Molecular weight of BYFAVO (free base): 439.3 g/mol.
Overview
11 DESCRIPTION Each glass, single-patient-use, sterile vial of BYFAVO (remimazolam) for injection contains 20 mg remimazolam, equivalent to 27.2 mg remimazolam besylate. Remimazolam is a benzodiazepine. Its chemical description is 4H-imidazol[1,2-a][1,4]benzodiazepine-4-propionic acid, 8-bromo-1-methyl-6-(2-pyridinyl)-(4S)-, methyl ester, benzenesulfonate (1:1). The structural formulas are shown below. Molecular weight of BYFAVO (free base): 439.3 g/mol.
Uses
1 INDICATIONS AND USAGE BYFAVO ® is indicated for the induction and maintenance of procedural sedation in adults undergoing procedures lasting 30 minutes or less. BYFAVO (remimazolam) for injection is a benzodiazepine indicated for the induction and maintenance of procedural sedation in adults undergoing procedures lasting 30 minutes or less. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Individualize and titrate BYFAVO dosing to desired clinical effect. ( 2.2 ) Adult Patients : Administer an initial dose intravenously as a 5 mg push injection over a 1-minute time period. ( 2.2 ) If necessary, administer supplemental doses of 2.5 mg intravenously over a 15-second time period. At least 2 minutes must elapse prior to the administration of any supplemental dose. ( 2.2 ) ASA III-IV Patients (at the discretion of the physician) : Based on the general condition of the patient, administer 2.5 mg to 5 mg over 1-minute time period. ( 2.2 ) If necessary, administer supplemental doses of 1.25 mg to 2.5 mg intravenously over a 15-second time period. At least 2 minutes must elapse prior to the administration of any supplemental dose.
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are discussed in greater detail in other sections: Neonatal Sedation and Withdrawal Syndrome [see Warnings and Precautions (5.4) , Use in Specific Populations (8.1) ] The most common adverse reactions (>10%) in patients receiving BYFAVO for procedural sedation are hypotension, hypertension, diastolic hypertension, systolic hypertension, hypoxia, and diastolic hypotension.
Interactions
7 DRUG INTERACTIONS 7.1 Opioid Analgesics and Other Sedative-Hypnotics The sedative effect of intravenous BYFAVO can be accentuated by concomitantly administered CNS depressant medications, including opioid analgesics, other benzodiazepines, and propofol. Continuously monitor vital signs during sedation and through the recovery period. Titrate the dose of BYFAVO when administered with opioid analgesics and sedative-hypnotics to the desired clinical response [see Warnings and Precautions (5.2) ].
Warnings
WARNING: PERSONNEL AND EQUIPMENT FOR MONITORING AND RESUSCITATION AND RISKS FROM CONCOMITANT USE WITH OPIOID ANALGESICS WARNING: PERSONNEL AND EQUIPMENT FOR MONITORING AND RESUSCITATION, AND RISKS FROM CONCOMITANT USE WITH OPIOID ANALGESICS AND OTHER SEDATIVE-HYPNOTICS See full prescribing information for complete boxed warning Only personnel trained in the administration of procedural sedation, and not involved in the conduct of the diagnostic or therapeutic procedure, should administer BYFAVO.... 5 WARNINGS AND PRECAUTIONS Hypersensitivity Reactions : Hypersensitivity reactions including anaphylaxis may occur. ( 5.3 ) Neonatal Sedation and Withdrawal Syndrome : Receiving benzodiazepines during pregnancy can result in neonatal sedation and/or neonatal withdrawal. ( 5.4 , 8.1 ) Pediatric Neurotoxicity : In developing animals, exposures greater than 3 hours cause neurotoxicity. Weigh benefits against potential risks when considering elective procedures in children under 3 years old. ( 5.5 ) 5.1 Personnel and Equipment for Monitoring and Resuscitation Clinically notable hypoxia, bradycardia, and hypotension were observed in Phase 3 studies of BYFAVO. Continuously monitor vital signs during sedation and through the recovery period. 4 CONTRAINDICATIONS BYFAVO is contraindicated in patients with a history of severe hypersensitivity reaction to dextran 40 or products containing dextran 40 [see Warnings and Precautions (5.3) ]. Hypersensitivity to dextran 40. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Neonates born to mothers using benzodiazepines late in pregnancy have been reported to experience symptoms of sedation and/or neonatal withdrawal [see Warnings and Precautions (5.4) , Clinical Considerations ]. Available data from published observational studies of pregnant women exposed to benzodiazepines do not report a clear association with benzodiazepines and major birth defects (see Data ).
Storage
Store at controlled room temperature 20°C to 25°C (68°F to 77°F) excursions between 15° and 30°C (59° and 86°F) are allowed. Reconstituted BYFAVO can be stored in the vial for up to 8 hours under controlled room temperature at 20°C to 25°C (68°F to 77°F). Protect vials from light once they are removed from packaging. Discard unused portion.
Frequently Asked Questions
What is Remimazolam Besylate used for?▼
1 INDICATIONS AND USAGE BYFAVO ® is indicated for the induction and maintenance of procedural sedation in adults undergoing procedures lasting 30 minutes or less. BYFAVO (remimazolam) for injection is a benzodiazepine indicated for the induction and maintenance of procedural sedation in adults undergoing procedures lasting 30 minutes or less. ( 1 )
What are the side effects of Remimazolam Besylate?▼
6 ADVERSE REACTIONS The following serious adverse reactions are discussed in greater detail in other sections: Neonatal Sedation and Withdrawal Syndrome [see Warnings and Precautions (5.4) , Use in Specific Populations (8.1) ] The most common adverse reactions (>10%) in patients receiving BYFAVO for procedural sedation are hypotension, hypertension, diastolic hypertension, systolic hypertension, hypoxia, and diastolic hypotension.
Can I take Remimazolam Besylate during pregnancy?▼
8.1 Pregnancy Risk Summary Neonates born to mothers using benzodiazepines late in pregnancy have been reported to experience symptoms of sedation and/or neonatal withdrawal [see Warnings and Precautions (5.4) , Clinical Considerations ]. Available data from published observational studies of pregnant women exposed to benzodiazepines do not report a clear association with benzodiazepines and major birth defects (see Data ).
What are the important warnings for Remimazolam Besylate?▼
WARNING: PERSONNEL AND EQUIPMENT FOR MONITORING AND RESUSCITATION AND RISKS FROM CONCOMITANT USE WITH OPIOID ANALGESICS WARNING: PERSONNEL AND EQUIPMENT FOR MONITORING AND RESUSCITATION, AND RISKS FROM CONCOMITANT USE WITH OPIOID ANALGESICS AND OTHER SEDATIVE-HYPNOTICS See full prescribing information for complete boxed warning Only personnel trained in the administration of procedural sedation, and not involved in the conduct of the diagnostic or therapeutic procedure, should administer BYFAVO.... 5 WARNINGS AND PRECAUTIONS Hypersensitivity Reactions : Hypersensitivity reactions including anaphylaxis may occur. ( 5.3 ) Neonatal Sedation and Withdrawal Syndrome : Receiving benzodiazepines during pregnancy can result in neonatal sedation and/or neonatal withdrawal. ( 5.4 , 8.1 ) Pediatric Neurotoxicity : In developing animals, exposures greater than 3 hours cause neurotoxicity. Weigh benefits against potential risks when considering elective procedures in children under 3 years old. ( 5.5 ) 5.1 Personnel and Equipment for Monitoring and Resuscitation Clinically notable hypoxia, bradycardia, and hypotension were observed in Phase 3 studies of BYFAVO. Continuously monitor vital signs during sedation and through the recovery period. 4 CONTRAINDICATIONS BYFAVO is contraindicated in patients with a history of severe hypersensitivity reaction to dextran 40 or products containing dextran 40 [see Warnings and Precautions (5.3) ]. Hypersensitivity to dextran 40. ( 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.