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SUPRANE (Liquid)
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Deliver SUPRANE (desflurane, USP) from a vaporizer specifically designed and designated for use with desflurane. The administration of general anesthesia must be individualized based on the patient's response (seeINDIVIDUALIZATION OF DOSE). The following two tables provide mean relative potency based upon age and drug interaction studies in predominately ASA physical status I or II patients. N = number of crossover pairs (using up-and-down method of quantal response) Opioids or benzodiazepines decrease the amounts of SUPRANE (desflurane, USP) required to produce anesthesia. The following table is based on studies of drug interaction (MAC reduction). SUPRANE (desflurane, USP) decreases the doses of neuromuscular blocking agents required (seePRECAUTIONS, Drug Interactions). During the maintenance of anesthesia with inflow rates of 2 L/min or more, the alveolar concentration of desflurane will usually be within 10% of the inspired concentration. (F/F, see Figure 1 inPharmacokinetics section.)
dailymed-instance:descripti...
SUPRANE (desflurane, USP), a nonflammable liquid administered via vaporizer, is a general inhalation anesthetic. It is (��)1,2,2,2-tetrafluoroethyl difluoromethyl ether:<br/>Some physical constants are::<br/>Partition coefficients at 37��C::<br/>Mean Component/Gas Partition Coefficients:: Desflurane is nonflammable as defined by the requirements of International Electrotechnical Commission 601-2-13. Desflurane is a colorless, volatile liquid below 22.8��C. Data indicate that desflurane is stable when stored under normal room lighting conditions according to instructions. Desflurane is chemically stable. The only known degradation reaction is through prolonged direct contact with soda lime producing low levels of fluoroform (CHF). The amount of CHFobtained is similar to that produced with MAC-equivalent doses of isoflurane. No discernible degradation occurs in the presence of strong acids. Desflurane does not corrode stainless steel, brass, aluminum, anodized aluminum, nickel plated brass, copper, or beryllium.
dailymed-instance:clinicalP...
SUPRANE (desflurane, USP) is a volatile liquid inhalation anesthetic minimally biotransformed in the liver in humans. Less than 0.02% of the SUPRANE absorbed can be recovered as urinary metabolites (compared to 0.2% for isoflurane). Minimum alveolar concentration (MAC) of desflurane in oxygen for a 25 year-old adult is 7.3%. The MAC of SUPRANE (desflurane, USP) decreases with increasing age and with addition of depressants such as opioids or benzodiazepines (seeDOSAGE AND ADMINISTRATION for details).<br/>Pharmacokinetics: Due to the volatile nature of desflurane in plasma samples, the washin-washout profile of desflurane was used as a surrogate of plasma pharmacokinetics. Eight healthy male volunteers first breathed 70% NO/30% Ofor 30 minutes and then a mixture of SUPRANE (desflurane, USP) 2.0%, isoflurane 0.4%, and halothane 0.2% for another 30 minutes. During this time, inspired and end-tidal concentrations (Fand F) were measured. The F/F(washin) value at 30 minutes for desflurane was 0.91, compared to 1.00 for NO, 0.74 for isoflurane, and 0.58 for halothane (See Figure 1). The washin rates for halothane and isoflurane were similar to literature values. The washin was faster for desflurane than for isoflurane and halothane at all time points. The F/F(washout) value at 5 minutes was 0.12 for desflurane, 0.22 for isoflurane, and 0.25 for halothane (See Figure 2). The washout for SUPRANE was more rapid than that for isoflurane and halothane at all elimination time points. By 5 days, the F/Ffor desflurane is 1/20th of that for halothane or isoflurane.<br/>Pharmacodynamics: Changes in the clinical effects of SUPRANE (desflurane, USP) rapidly follow changes in the inspired concentration. The duration of anesthesia and selected recovery measures for SUPRANE are given in the following tables: In 178 female outpatients undergoing laparoscopy, premedicated with fentanyl (1.5-2.0��g/kg), anesthesia was initiated with propofol 2.5 mg/kg, desflurane/NO 60% in Oor desflurane/Oalone. Anesthesia was maintained with either propofol 1.5-9.0 mg/kg/hr, desflurane 2.6-8.4% in NO 60% in O, or desflurane 3.1-8.9% in O. In 88 unpremedicated outpatients, anesthesia was initiated with thiopental 3-9 mg/kg or desflurane in O. Anesthesia was maintained with isoflurane 0.7-1.4% in NO 60%, desflurane 1.8-7.7% in NO 60%, or desflurane 4.4-11.9% in O. Recovery from anesthesia was assessed at 30, 60, and 90 minutes following 0.5 MAC desflurane (3%) or isoflurane (0.6%) in NO 60% using subjective and objective tests. At 30 minutes after anesthesia, only 43% of the isoflurane group were able to perform the psychometric tests compared to 76% in the desflurane group (p<0.05). SUPRANE (desflurane, USP) was studied in twelve volunteers receiving no other drugs. Hemodynamic effects during controlled ventilation (PaCO38mm Hg) were: When the same volunteers breathed spontaneously during desflurane anesthesia, systemic vascular resistance and mean arterial blood pressure decreased; cardiac index, heart rate, stroke volume, and central venous pressure (CVP) increased compared to values when the volunteers were conscious. Cardiac index, stroke volume, and CVP were greater during spontaneous ventilation than during controlled ventilation. During spontaneous ventilation in the same volunteers, increasing the concentration of SUPRANE (desflurane, USP) from 3% to 12% decreased tidal volume and increased arterial carbon dioxide tension and respiratory rate. The combination of NO 60% with a given concentration of desflurane gave results similar to those with desflurane alone. Respiratory depression produced by desflurane is similar to that produced by other potent inhalation agents. The use of desflurane concentrations higher than 1.5 MAC may produce apnea.<br/>CLINICAL TRIALS: SUPRANE (desflurane, USP) was evaluated in 1,843 patients including ambulatory (N=1,061), cardiovascular (N=277), geriatric (N=103), neurosurgical (N=40), and pediatric (N=235) patients. Clinical experience with these patients and with 1,087 control patients in these studies not receiving desflurane are described below. Although desflurane can be used in adults for the inhalation induction of anesthesia via mask, it produces a high incidence of respiratory irritation (coughing, breathholding, apnea, increased secretions, laryngospasm). For incidence, seeADVERSE REACTIONS. Oxyhemoglobin saturation below 90% occurred in 6% of patients (from pooled data, N = 370 adults).<br/>Ambulatory Surgery: SUPRANE (desflurane, USP) plus NO was compared to isoflurane plus NO in multicenter studies (21 sites) of 792 ASA physical status I, II, or III patients aged 18-76 years (median 32).<br/>Cardiovascular Surgery: Desflurane was compared to isoflurane, sufentanil or fentanyl for the anesthetic management of coronary artery bypass graft (CABG), abdominal aortic aneurysm, peripheral vascular and carotid endarterectomy surgery in 7 studies at 15 centers involving a total of 558 patients. In all patients except the desflurane vs sufentanil study, the volatile anesthetics were supplemented with intravenous opioids, usually fentanyl. Blood pressure and heart rate were controlled by changes in concentration of the volatile anesthetics or opioids and cardiovascular drugs if necessary. Oxygen (100%) was the carrier gas in 253 of 277 desflurane cases (24 of 277 received NO/O). No differences were found in cardiovascular outcome (death, myocardial infarction, ventricular tachycardia or fibrillation, heart failure) among desflurane and the other anesthetics.<br/>Geriatric Surgery: SUPRANE (desflurane, USP) plus NO was compared to isoflurane plus NO in a multicenter study (6 sites) of 203 ASA physical status II or III elderly patients, aged 57-91 years (median 71).<br/>Neurosurgery: SUPRANE (desflurane, USP) was studied in 38 patients aged 26-76 years (median 48 years), ASA physical status II or III undergoing neurosurgical procedures for intracranial lesions.<br/>Pediatric Surgery: SUPRANE (desflurane, USP) is not recommended for induction of anesthesia in pediatric patients because of the high incidence of moderate to severe upper airway adverse reactions, including laryngospasm, coughing, breathholding, and secretions, seen in studies of induction of anesthesia in pediatric patients. . SUPRANE is not approved for maintenance of anesthesia in non-intubated pediatric patients due to an increased incidence of respiratory adverse reactions, including coughing, laryngospasm and secretions, seen in one study of maintenance of anesthesia in non-intubated pediatric patients. (seeWARNINGS andPRECAUTIONS���Pediatric Use).<br/>INDIVIDUALIZATION OF DOSE: (Also seeDOSAGE AND ADMINISTRATION)<br/>Preanesthetic Medication: Issues such as whether or not to premedicate and the choice of premedicant(s) must be individualized. In clinical trials, patients scheduled to be anesthetized with desflurane frequently received IV pre-anesthetic medication, such as opioid and/or benzodiazepine.
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SUPRANE (desflurane, USP) should not be used in patients with a known or suspected genetic susceptibility to malignant hyperthermia. Known sensitivity to SUPRANE (desflurane, USP) or to other halogenated agents.
dailymed-instance:supply
SUPRANE (desflurane, USP), NDC 10019-641-24, is packaged in amber-colored bottles containing 240 mL desflurane.<br/>Safety and Handling:<br/>Occupational Caution: There is no specific work exposure limit established for SUPRANE (desflurane, USP). However, the National Institute for Occupational Safety and Health Administration (NIOSH) recommends that no worker should be exposed at ceiling concentrations greater than 2 ppm of any halogenated anesthetic agent over a sampling period not to exceed one hour. The predicted effects of acute overexposure by inhalation of SUPRANE (desflurane, USP) include headache, dizziness or (in extreme cases) unconsciousness. There are no documented adverse effects of chronic exposure to halogenated anesthetic vapors (Waste Anesthetic Gases or WAGs) in the workplace. Although results of some epidemiological studies suggest a link between exposure to halogenated anesthetics and increased health problems (particularly spontaneous abortion), the relationship is not conclusive. Since exposure to WAGs is one possible factor in the findings for these studies, operating room personnel, and pregnant women in particular, should minimize exposure. Precautions include adequate general ventilation in the operating room, the use of a well-designed and well-maintained scavenging system, work practices to minimize leaks and spills while the anesthetic agent is in use, and routine equipment maintenance to minimize leaks.<br/>Storage: Store at room temperature, 15��-30��C (59��-86��F). SUPRANE (desflurane, USP) has been demonstrated to be stable for the period defined by the expiration dating on the label. The bottle cap should be replaced after each use of SUPRANE. Baxter and SUPRANE are trademarks of Baxter International Inc. Manufactured for Baxter Healthcare Corporation Deerfield, IL 60015 USA For Product Inquiry 1 800 ANA DRUG (1-800-262-3784) MLT-00070/8.0
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During the maintenance of anesthesia, increasing concentrations of SUPRANE (desflurane, USP) produce dose-dependent decreases in blood pressure. Excessive decreases in blood pressure may be related to depth of anesthesia and in such instances may be corrected by decreasing the inspired concentration of SUPRANE. Concentrations of desflurane exceeding 1 MAC may increase heart rate. Thus an increased heart rate may not be a sign of inadequate anesthesia. In patients with intracranial space occupying lesions, SUPRANE (desflurane, USP) should be administered at 0.8 MAC or less, in conjunction with a barbiturate induction and hyperventilation (hypocapnia). Appropriate measures should be taken to maintain cerebral perfusion pressure (seeCLINICAL STUDIES, Neurosurgery). In patients with coronary artery disease, maintenance of normal hemodynamics is important to the avoidance of myocardial ischemia. Desflurane should not be used as the sole agent for anesthetic induction in patients with coronary artery disease or patients where increases in heart rate or blood pressure are undesirable. It should be used with other medications, preferably intravenous opioids and hypnotics (seeCLINICAL STUDIES, Cardiovascular Surgery). Inspired concentrations of SUPRANE (desflurane, USP) greater than 12% have been safely administered to patients, particularly during induction of anesthesia. Such concentrations will proportionately dilute the concentration of oxygen; therefore, maintenance of an adequate concentration of oxygen may require a reduction of nitrous oxide or air if these gases are used concurrently. The recovery from general anesthesia should be assessed carefully before patients are discharged from the post anesthesia care unit (PACU). SUPRANE (desflurane, USP), like some other inhalational anesthetics, can react with desiccated carbon dioxide (CO) absorbents to produce carbon monoxide which may result in elevated levels of carboxyhemoglobin in some patients. Case reports suggest that barium hydroxide lime and soda lime become desiccated when fresh gases are passed through the COabsorber cannister at high flow rates over many hours or days. When a clinician suspects that COabsorbent may be desiccated, it should be replaced before the administration of SUPRANE (desflurane, USP). As with other halogenated anesthetic agents, SUPRANE (desflurane, USP) may cause sensitivity hepatitis in patients who have been sensitized by previous exposure to halogenated anesthetics .<br/>Drug Interactions: No clinically significant adverse interactions with commonly used preanesthetic drugs, or drugs used during anesthesia (muscle relaxants, intravenous agents, and local anesthetic agents) were reported in clinical trials. The effect of desflurane on the disposition of other drugs has not been determined. Like isoflurane, desflurane does not predispose to premature ventricular arrhythmias in the presence of exogenously infused epinephrine in swine.<br/>Benzodiazepines and Opioids (MAC Reduction): Benzodiazepines (midazolam 25-50��g/kg) decrease the MAC of desflurane by 16% as do the opioids (fentanyl 3-6��g/kg) by 50% .<br/>Neuromuscular Blocking Agents: Anesthetic concentrations of desflurane at equilibrium (administered for 15 or more minutes before testing) reduced the EDof succinylcholine by approximately 30% and that of atracurium and pancuronium by approximately 50% compared to NO/opioid anesthesia. The effect of desflurane on duration of nondepolarizing neuromuscular blockade has not been studied. Dosage reduction of neuromuscular blocking agents during induction of anesthesia may result in delayed onset of conditions suitable for endotracheal intubation or inadequate muscle relaxation, because potentiation of neuromuscular blocking agents requires equilibration of muscle with the delivered partial pressure of desflurane. Among nondepolarizing drugs, only pancuronium and atracurium interactions have been studied. In the absence of specific guidelines: 1. For endotracheal intubation, do not reduce the dose of nondepolarizing muscle relaxants or succinylcholine. 2. During maintenance of anesthesia, the dose of nondepolarizing muscle relaxants is likely to be reduced compared to that during NO/opioid anesthesia. Administration of supplemental doses of muscle relaxants should be guided by the response to nerve stimulation.<br/>Renal or Hepatic Insufficiency: Nine patients receiving SUPRANE (desflurane, USP) (N=9) were compared to 9 patients receiving isoflurane, all with chronic renal insufficiency (serum creatinine 1.5-6.9 mg/dL). No differences in hematological or biochemical tests, including renal function evaluation, were seen between the two groups. Similarly, no differences were found in a comparison of patients receiving either SUPRANE (desflurane, USP) (N=28) or isoflurane (N=30) undergoing renal transplant. Eight patients receiving SUPRANE (desflurane, USP) were compared to six patients receiving isoflurane, all with chronic hepatic disease (viral hepatitis, alcoholic hepatitis, or cirrhosis). No differences in hematological or biochemical tests, including hepatic enzymes and hepatic function evaluation, were seen.<br/>Carcinogenesis, Mutagenesis, Impairment of Fertility: Animal carcinogenicity studies have not been performed with SUPRANE (desflurane, USP). In vitro and in vivo genotoxicity studies did not demonstrate mutagenicity or chromosomal damage by SUPRANE. Tests for genotoxicity included the Ames mutation assay, the metaphase analysis of human lymphocytes, and the mouse micronucleus assay. Fertility was not affected after 1 MAC-Hour per day exposure (cumulative 63 and 14 MAC-Hours for males and females, respectively). At higher doses, parental toxicity (mortalities and reduced weight gain) was observed which could affect fertility.<br/>Pregnancy:<br/>Teratogenic Effects: No teratogenic effect was observed at approximately 10 and 13 cumulative MAC-Hour exposures at 1 MAC-Hour per day during organogenesis in rats or rabbits. At higher doses increased incidences of post-implantation loss and maternal toxicity were observed. However, at 10 MAC-Hours cumulative exposure in rats, about 6% decrease in the weight of male pups was observed at preterm caesarean delivery.<br/>Labor and Delivery: The safety of desflurane during labor or delivery has not been demonstrated.<br/>Nursing Mothers: The concentrations of desflurane in milk are probably of no clinical importance 24 hours after anesthesia. Because of rapid washout, desflurane concentrations in milk are predicted to be below those found with other volatile potent anesthetics.<br/>Pediatric Use: SUPRANE (desflurane, USP) is approved for maintenance of anesthesia in infants and children after induction of anesthesia with agents other than SUPRANE, and tracheal intubation. SUPRANE is not recommended for induction of general anesthesia via mask in children because of the high incidence of moderate to severe respiratory adverse reactions, including laryngospasm (50%), coughing (72%), breathholding (68%), increase in secretions (21%) and oxyhemoglobin desaturation (SpO<90%) (26%) seen in clinical studies. SUPRANE is not approved for maintenance of anesthesia in non-intubated children due to an increased incidence of respiratory adverse reactions (see below). In a clinical safety trial conducted in children aged 2 to 16 years (mean 7.4 years), following induction with another agent, SUPRANE and isoflurane (in NO/O) were compared when delivered via face mask or laryngeal mask airway (LMA) for maintenance of anesthesia, after induction with intravenous propofol or inhaled sevoflurane, in order to assess the relative incidence of respiratory adverse events. SUPRANE was associated with higher rates (compared with isoflurane) of coughing, laryngospasm and secretions with an overall rate of respiratory events of 39%. Of the pediatric patients exposed to desflurane, 5% experienced severe laryngospasm (associated with significant desaturation; i.e. SpOof<90% for>15 seconds, or requiring succinylcholine), across all ages, 2-16 years old. Individual age group incidences of severe laryngospasm were 9% for 2-6 years old, 1% for 7-11 years old, and 1% for 12-16 years old. Removal of LMA under deep anesthesia (MAC range 0.6���2.3 with a mean of 1.12 MAC) was associated with a further increase in frequency of respiratory adverse events as compared to awake LMA removal or LMA removal under deep anesthesia with the comparator. The frequency and severity of non-respiratory adverse events were comparable between the two groups. The incidence of respiratory events under these conditions was highest in children aged 2-6 years. Therefore, similar studies in children under the age of 2 years were not initiated.<br/>Geriatric Use: The average MAC for SUPRANE (desflurane, USP) in a 70 year old patient is two-thirds the MAC for a 20 year old patient (seeDOSAGE AND ADMINISTRATION).<br/>Neurosurgical Use: SUPRANE (desflurane, USP) may produce a dose-dependent increase in cerebrospinal fluid pressure (CSFP) when administered to patients with intracranial space occupying lesions. Desflurane should be administered at 0.8 MAC or less, and in conjunction with a barbiturate induction and hyperventilation (hypocapnia) until cerebral decompression in patients with known or suspected increases in CSFP. Appropriate attention must be paid to maintain cerebral perfusion pressure (seeCLINICAL STUDIES, Neurosurgery).
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In the event of overdosage, or suspected overdosage, take the following actions: discontinue administration of SUPRANE (desflurane, USP), maintain a patent airway, initiate assisted or controlled ventilation with oxygen, and maintain adequate cardiovascular function.
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desflurane
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SUPRANE (Liquid)
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Adverse event information is derived from controlled clinical trials, the majority of which were conducted in the United States. The studies were conducted using a variety of premedications, other anesthetics, and surgical procedures of varying length. Most adverse events reported were mild and transient, and may reflect the surgical procedures, patient characteristics (including disease) and/or medications administered. Of the 2,143 patients exposed to SUPRANE (desflurane, USP) in clinical trials, 370 adults and 152 children were induced with desflurane alone and 987 patients were maintained principally with desflurane. The frequencies given reflect the percent of patients with the event. Each patient was counted once for each type of adverse event. They are presented in alphabetical order according to body system.<br/>Frequency of Events Occurring in Greater Than 1% of Clinical Trial Patients (in Reports Deemed���Probably Causally Related���):<br/>Induction (use as a mask inhalation agent):<br/>Maintenance or Recovery:<br/>Frequency of Events Occurring in Less Than 1% of Patients (in Reports Deemed���Probably Causally Related���):<br/>Reported in 3 or more patients, regardless of severity: Adverse reactions reported only from postmarketing experience or in the literature, not seen in clinical trials, are considered rare and are italicized.<br/>Frequency of Events Occurring in Less Than 1% of Clinical Trial Patients (in Reports Deemed���Causal Relationship Unknown���):<br/>Reported in 3 or more patients, regardless of severity: SeeWARNINGS for information regarding pediatric use and malignant hyperthermia. SUPRANE (desflurane, USP) has been associated with perioperative hyperkalemia . There have been rare post-marketing reports of hepatic failure and hepatic necrosis associated with the use of potent volatile anesthetic agents, including SUPRANE (desflurane USP). Due to the spontaneous nature of these reports, the actual incidence and relationship of SUPRANE (desflurane USP) to these events cannot be established withcertainty.<br/>Laboratory Findings: Transient elevations in glucose and white blood cell count may occur as with use of other anesthetic agents.
dailymed-instance:warning
Perioperative Hyperkalemia: Use of inhaled anesthetic agents has been associated with rare increases in serum potassium levels that have resulted in cardiac arrhythmias and death in pediatric patients during the postoperative period. Patients with latent as well as overt neuromuscular disease, particularly Duchenne muscular dystrophy, appear to be most vulnerable. Concomitant use of succinylcholine has been associated with most, but not all, of these cases. These patients also experienced significant elevations in serum creatinine kinase levels and, in some cases, changes in urine consistent with myoglobinuria. Despite the similarity in presentation to malignant hyperthermia, none of these patients exhibited signs or symptoms of muscle rigidity or hypermetabolic state. Early and aggressive intervention to treat the hyperkalemia and resistant arrhythmias is recommended, as is subsequent evaluation for latent neuromuscular disease.<br/>Malignant Hyperthermia: In susceptible individuals, potent inhalation anesthetic agents may trigger a skeletal muscle hypermetabolic state leading to high oxygen demand and the clinical syndrome known as malignant hyperthermia. In genetically susceptible pigs, desflurane induced malignant hyperthermia. The clinical syndrome is signalled by hypercapnia, and may include muscle rigidity, tachycardia, tachypnea, cyanosis, arrhythmias, and/or unstable blood pressure. Some of these nonspecific signs may also appear during light anesthesia: acute hypoxia, hypercapnia, and hypovolemia. Treatment of malignant hyperthermia includes discontinuation of triggering agents, administration of intravenous dantrolene sodium, and application of supportive therapy. (Consult prescribing information for dantrolene sodium intravenous for additional information on patient management.) Renal failure may appear later, and urine flow should be monitored and sustained if possible.<br/>Respiratory Adverse Reactions in Pediatric Patients: SUPRANE (desflurane, USP) is not recommended for induction of general anesthesia via mask in children due to a high incidence of moderate to severe respiratory adverse reactions seen in clinical studies . 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 .<br/>Administration of Suprane: SUPRANE (desflurane, USP) should be administered only by persons trained in the administration of general anesthesia, using a vaporizer specifically designed and designated for use with desflurane. Facilities for maintenance of a patent airway, artificial ventilation, oxygen enrichment, and circulatory resuscitation must be immediately available. Hypotension and respiratory depression increase as anesthesia is deepened.
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SUPRANE (desflurane, USP) is indicated as an inhalation agent for induction and/or maintenance of anesthesia for inpatient and outpatient surgery in adults . SUPRANE (desflurane, USP) is not recommended for induction of anesthesia in pediatric patients because of a high incidence of moderate to severe upper airway adverse events . After induction of anesthesia with agents other than SUPRANE, and tracheal intubation, SUPRANE is indicated for maintenance of anesthesia in infants and children.
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SUPRANE