1 INDICATIONS AND USAGE Propofol injectable emulsion is an intravenous general anesthetic and sedation drug indicated for: Induction of General Anesthesia for Patients Greater than or Equal to 3 Years of Age Maintenance of General Anesthesia for Patients Greater than or Equal to 2 Months of Age Initiation and Maintenance of Monitored Anesthesia Care (MAC) Sedation in Adult Patients Sedation for Adult Patients in Combination with Regional Anesthesia Intensive Care Unit (ICU) Sedation of Intubated, Mechanically Ventilated Adult Patients Limitations of Use Propofol injectable emulsion is not recommended for induction of anesthesia below the age of 3 years or for maintenance of anesthesia below the age of 2 months because its safety and effectiveness have not been established in those populations [see Pediatric Use ( 8.4 )] . Safety, effectiveness and dosing guidelines for propofol injectable emulsion have not been established for MAC sedation in the pediatric population; therefore, it is not recommended for this use [see Pediatric Use ( 8.4 )]. Propofol injectable emulsion is not indicated for use in Pediatric ICU sedation since the safety of this regimen has not been established [see Pediatric Use ( 8.4 )]. Propofol injectable emulsion is an intravenous general anesthetic and sedation drug indicated for: Induction of General Anesthesia for Patients Greater than or Equal to 3 Years of Age Maintenance of General Anesthesia for Patients Greater than or Equal to 2 Months of Age Initiation and Maintenance of Monitored Anesthesia Care (MAC) Sedation in Adult Patients Sedation for Adult Patients in Combination with Regional Anesthesia Intensive Care Unit (ICU) Sedation of Intubated, Mechanically Ventilated Adult Patients Limitations of Use : Propofol injectable emulsion is not recommended for induction of anesthesia below the age of 3 years or for maintenance of anesthesia below the age of 2 months MAC sedation in the pediatric population is not recommended Propofol…
2 DOSAGE AND ADMINISTRATION See Full Prescribing Information for detailed dosing instructions. 2.1 Important Dosage and Administration Information Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit. Shake well before use. Do not use if there is evidence of excessive creaming or aggregation, if large droplets are visible, or if there are other forms of phase separation indicating that the stability of the product has been compromised. Slight creaming, which should disappear after shaking, may be visible upon prolonged standing. Do not use if there is evidence of separation of the phases of the emulsion. Propofol injectable emulsion with EDTA inhibits microbial growth for up to 12 hours, as demonstrated by test data for representative USP microorganisms. Product is packaged under nitrogen. For general anesthesia or monitored anesthesia care (MAC) sedation, propofol injectable emulsion should be administered only by persons trained in the administration of general anesthesia and not involved in the conduct of the surgical/diagnostic procedure. Sedated patients should be continuously monitored, and equipment for maintaining a patent airway, providing artificial ventilation, administering supplemental oxygen, and instituting cardiovascular resuscitation must be immediately available. Patients should be continuously monitored for early signs of hypotension, apnea, airway obstruction, and/or oxygen desaturation. These cardiorespiratory effects are more likely to occur following rapid bolus administration, especially in the elderly, debilitated, or ASA-PS III or IV patients. For sedation of intubated, mechanically ventilated adult patients in the Intensive Care Unit, propofol injectable emulsion should be administered only by persons skilled in the management of critically ill patients and trained in cardiovascular resuscitation and airway management. Guidelines for…
12.2 Pharmacodynamics Pharmacodynamic properties of propofol are dependent upon the therapeutic blood propofol concentrations. Steady-state propofol blood concentrations are generally proportional to infusion rates. Undesirable side effects, such as cardiorespiratory depression, are likely to occur at higher blood concentrations which result from bolus dosing or rapid increases in infusion rates. An adequate interval (3 to 5 minutes) must be allowed between dose adjustments in order to assess clinical effects. The hemodynamic effects of propofol injectable emulsion during induction of anesthesia vary. If spontaneous ventilation is maintained, the major cardiovascular effect is arterial hypotension (sometimes greater than a 30% decrease) with little or no change in heart rate and no appreciable decrease in cardiac output. If ventilation is assisted or controlled (positive pressure ventilation), there is an increase in the incidence and the degree of depression of cardiac output. Addition of an opioid, used as a premedicant, further decreases cardiac output and respiratory drive. If anesthesia is continued by infusion of propofol injectable emulsion, the stimulation of endotracheal intubation and surgery may return arterial pressure towards normal. However, cardiac output may remain depressed. Comparative clinical studies have shown that the hemodynamic effects of propofol injectable emulsion during induction of anesthesia are generally more pronounced than with other intravenous induction agents. Induction of anesthesia with propofol injectable emulsion is frequently associated with apnea in both adults and pediatric patients. In adult patients who received propofol injectable emulsion (2 mg/kg to 2.5 mg/kg), apnea lasted less than 30 seconds in 7% of patients, 30 seconds to 60 seconds in 24% of patients, and more than 60 seconds in 12% of patients. In pediatric patients from birth through 16 years of age assessable for apnea who received bolus doses of propofol…
6 ADVERSE REACTIONS The following serious or otherwise important adverse reactions are discussed elsewhere in the labeling: Hypersensitivity reaction [see Warnings and Precautions ( 5.1 )] Hypotension and/or bradycardia [see Warnings and Precautions ( 5.4 )] Propofol Infusion Syndrome [see Warnings and Precautions ( 5.9 )] In the description below, rates of the more common events represent US/Canadian clinical study results. Less frequent events are also derived from publications and marketing experience in over 8 million patients; there are insufficient data to support an accurate estimate of their incidence rates. These studies were conducted using a variety of premedicants, varying lengths of surgical/diagnostic procedures, and various other anesthetic/sedative agents. Most adverse events were mild and transient. Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Anesthesia and MAC Sedation in Adults The following estimates of adverse events for propofol injectable emulsion include data from clinical trials in general anesthesia/MAC sedation (N=2,889 adult patients). The adverse events listed below as probably causally related are those events in which the actual incidence rate in patients treated with propofol injectable emulsion was greater than the comparator incidence rate in these trials. Therefore, incidence rates for anesthesia and MAC sedation in adults generally represent estimates of the percentage of clinical trial patients which appeared to have probable causal relationship. The adverse experience profile from reports of 150 patients in the MAC sedation clinical trials is similar to the profile established with propofol injectable emulsion during anesthesia (see Table 3 below). During MAC sedation clinical trials,…
4 CONTRAINDICATIONS Propofol injectable emulsion is contraindicated in patients with a known hypersensitivity to propofol or any of propofol injectable emulsion components. Propofol injectable emulsion is contraindicated in patients with a history of anaphylaxis to eggs, egg products, soybeans or soy products. Known hypersensitivity to propofol, egg or soybean ( 4 )
5 WARNINGS AND PRECAUTIONS Hypersensitivity Reactions : Serious and sometimes fatal reactions ( 5.1 ) Microbial Contamination : Strict aseptic technique must be maintained during handling. Propofol injectable emulsion vials are never to be accessed more than once or used on more than one person. Administration should commence promptly and be completed within 12 hours after the vial has been opened. Discard unused drug product. Do not use if contamination is suspected ( 5.2 ) Cardiovascular depression : Cases of bradycardia, asystole, and cardiac arrest have been reported. Pediatric patients are susceptible to this effect, particularly when fentanyl is given concomitantly ( 5.4 ) 5.1 Anaphylactic and Anaphylactoid Reactions Use of propofol injectable emulsion has been associated with both fatal and life threatening anaphylactic and anaphylactoid reactions. Clinical features of anaphylaxis, including angioedema, bronchospasm, erythema, and hypotension, occur rarely following propofol injectable emulsion administration. 5.2 Risks of Microbial Contamination Strict aseptic technique must always be maintained during handling. Propofol injectable emulsion is a single-dose parenteral product (single patient infusion vial) which contains 0.005% disodium edetate (EDTA) to inhibit the rate of growth of microorganisms, for up to 12 hours, in the event of accidental extrinsic contamination. However, propofol injectable emulsion can still support the growth of microorganisms, as it is not an antimicrobially preserved product under USP standards. Do not use if contamination is suspected. Discard unused drug product as directed within the required time limits. There have been reports in which failure to use aseptic technique when handling propofol injectable emulsion was associated with microbial contamination of the product and with fever, infection/sepsis, other life-threatening illness, and/or death. Propofol injectable emulsion vials are never to be accessed more than once or…
7 DRUG INTERACTIONS Opioids and Sedatives The induction dose requirements of propofol injectable emulsion may be reduced in patients with intramuscular or intravenous premedication, particularly with opioids (e.g., morphine, meperidine, and fentanyl, etc.) and combinations of opioids and sedatives (e.g., benzodiazepines, barbiturates, chloral hydrate, droperidol, etc.). These agents may increase the anesthetic or sedative effects of propofol injectable emulsion and may also result in more pronounced decreases in systolic, diastolic, and mean arterial pressures and cardiac output. In pediatric patients, administration of fentanyl concomitantly with propofol injectable emulsion may result in serious bradycardia. Analgesic Agents During maintenance of anesthesia or sedation, the rate of propofol injectable emulsion administration should be adjusted according to the desired level of anesthesia or sedation and may be reduced in the presence of supplemental analgesic agents (e.g., nitrous oxide or opioids). The concurrent administration of potent inhalational agents (e.g., isoflurane, sevoflurane, desflurane, enflurane, and halothane) during maintenance with propofol injectable emulsion are routinely used. These inhalational agents can also be expected to increase the anesthetic or sedative and cardiorespiratory effects of propofol injectable emulsion. Valproate The concomitant use of valproate and propofol may lead to increased blood levels of propofol. Reduce the dose of propofol when co-administering with valproate. Monitor patients closely for signs of increased sedation or cardiorespiratory depression. Common Neuromuscular Blocking Agents Propofol injectable emulsion does not cause a clinically significant change in onset, intensity or duration of action of the commonly used neuromuscular blocking agents (e.g., succinylcholine and nondepolarizing muscle relaxants). Common Drugs Used as Premedication or Drugs Used During Anesthesia or Sedation No significant adverse…
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