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1.1 Induction of Anesthesia SUPRANE is indicated as an inhalation agent for induction of anesthesia for inpatient and outpatient surgery in adults. SUPRANE is contraindicated as an inhalation agent for the induction of anesthesia in pediatric patients because of a high incidence of moderate to severe upper airway adverse events. 1.2 Maintenance of Anesthesia SUPRANE is indicated as an inhalation agent for maintenance of anesthesia for inpatient and outpatient surgery in adults and in pediatric patients. After induction of anesthesia with agents other than SUPRANE, and tracheal intubation, SUPRANE is indicated for maintenance of anesthesia in infants and children. SUPRANE is not approved for maintenance of anesthesia in non-intubated children due to an increased incidence of respiratory adverse reactions, including coughing, laryngospasm, and secretions [See WARNINGS AND PRECAUTIONS (5.3) and CLINICAL STUDIES (14.5)]. Suprane is an inhalation agent indicated: for induction and/or maintenance of anesthesia in adults (1.1) for maintenance of anesthesia in pediatric patients following induction with agents other than Suprane and intubation.

The use of SUPRANE is contraindicated in the following conditions: • Known or suspected genetic susceptibility to malignant hyperthermia [see Warnings and Precautions (5.1), Clinical Pharmacology (12.5)]. • Patients in whom general anesthesia is contraindicated. • Induction of anesthesia in pediatric patients. • Patients with known sensitivity to SUPRANE or to other halogenated agents [See Warnings and Precautions (5.5)]. • Patients with a history of moderate to severe hepatic dysfunction following anesthesia with SUPRANE or other halogenated agents and not otherwise explained [See Warnings and Precautions (5.5)]. • Patients with known or suspected genetic susceptibility to malignant hyperthermia • Patients in whom general anesthesia is contraindicated • Induction of anesthesia in pediatric patients • Patients with known sensitivity to halogenated agents • Patients with a history of moderate to severe hepatic dysfunction following anesthesia with halogenated agents and not otherwise …

5.1 Malignant Hyperthermia In susceptible individuals, volatile anesthetic agents, including desflurane, may trigger malignant hyperthermia, a skeletal muscle hypermetabolic state leading to high oxygen demand. Fatal outcomes of malignant hyperthermia have been reported. The risk of developing malignant hyperthermia increases with the concomitant administration of succinylcholine and volatile anesthetic agents. SUPRANE can induce malignant hyperthermia in patients with known or suspected susceptibility based on genetic factors or family history, including those with certain inherited ryanodine receptor (RYR1) or dihydropyridine receptor (CACNA1S) variants. [see Contraindications (4), Clinical Pharmacology (12.5)] Signs consistent with malignant hyperthermia may include hyperthermia, hypoxia, hypercapnia, muscle rigidity (e.g., jaw muscle spasm), tachycardia (e.g., particularly that unresponsive to deepening anesthesia or analgesic medication administration), tachypnea, cyanosis, arrhythmias, hypovolemia, and hemodynamic instability. Skin mottling, coagulopathies, and renal failure may occur later in the course of the hypermetabolic process. Successful treatment of malignant hyperthermia depends on early recognition of the clinical signs. If malignant hyperthermia is suspected, discontinue all triggering agents (i.e., volatile anesthetic agents and succinylcholine), administer intravenous dantrolene sodium, and initiate supportive therapies. Consult prescribing information …

8.1 Pregnancy Risk Summary There are no adequate and well-controlled studies in pregnant women. In animal reproduction studies, embryo-fetal toxicity (reduced viable fetuses and/or increased post-implantation loss) was noted in pregnant rats and rabbits administered 1 MAC desflurane for 4 hours a day (4 MAC-hours/day) during organogenesis. Published studies in pregnant primates demonstrate that the administration of anesthetic and sedation drugs that block NMDA receptors and/or potentiate GABA activity during the period of peak brain development increases neuronal apoptosis in the developing brain of the offspring when used for longer than 3 hours. There are no data on pregnancy exposures …