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Details with Side Effects
NUCYNTA® contains tapentadol, an opioid agonist and a Schedule II controlled substance. Tapentadol can be abused in a manner similar to other opioid agonists legal or illicit. Opioid agonists are sought by drug abusers and people with addiction disorders and are subject to criminal diversion. Consider these risks when prescribing or dispensing NUCYNTA® in situations where there is concern about increased risks of misuse, abuse, or diversion. Concerns about abuse, addiction, and diversion should not, however, prevent the proper management of pain.
Assess each patient's risk for opioid abuse or addiction prior to prescribing NUCYNTA®. The risk for opioid abuse is increased in patients with a personal or family history of substance abuse (including drug or alcohol abuse or addiction) or mental illness (e.g., major depression). Patients at increased risk may still be appropriately treated with opioids; however these patients will require intensive monitoring for signs of misuse, abuse, or addiction. Routinely monitor all patients receiving opioids for signs of misuse, abuse, and addiction because these drugs carry a risk for addiction even under appropriate medical use.
Misuse or abuse of NUCYNTA® by crushing, chewing, snorting or injecting will pose a significant risk that could result in overdose and death [see OVERDOSAGE].
Contact local state professional licensing board or state controlled substances authority for information on how to prevent and detect abuse or diversion of this product [see Drug Abuse and Dependence].
Life Threatening Respiratory Depression
Respiratory depression is the chief hazard of opioid agonists, including NUCYNTA® . Respiratory depression, if not immediately recognized and treated, may lead to respiratory arrest and death. Respiratory depression from opioids is manifested by a reduced urge to breathe and a decreased rate of respiration, often associated with a “sighing” pattern of breathing (deep breaths separated by abnormally long pauses). Carbon dioxide (CO2) retention from opioid-induced respiratory depression can exacerbate the sedating effects of opioids. Management of respiratory depression may include close observation, supportive measures, and use of opioid antagonists, depending on the patient's clinical status [see OVERDOSAGE].
Instruct patients against use by individuals other than the patient for whom NUCYNTA® was prescribed and to keep NUCYNTA® out of the reach of children, as such inappropriate use may result in fatal respiratory depression.
Patients with conditions accompanied by hypoxia, hypercarbia or decreased respiratory reserve such as: asthma, chronic obstructive pulmonary disease or cor pulmonale, central nervous system (CNS) depression, or coma may be at increased risk for increased airway resistance and decreased respiratory drive to the point of apnea even with usual therapeutic doses of NUCYNTA®. Consider the use of alternative non-mu-opioid agonist analgesics and use NUCYNTA® only under careful medical supervision at the lowest effective dose in such patients. If respiratory depression occurs, treat the patient for mu-opioid agonist-induced respiratory depression [see OVERDOSAGE]. To reduce the risk of respiratory depression, proper dosing of NUCYNTA® is essential [see DOSAGE AND ADMINISTRATION].
Accidental ingestion of NUCYNTA®, especially in children, can result in a fatal overdose of tapentadol.
Interactions with Alcohol, Other Opioids, and Drugs of Abuse
Due to its mu-opioid agonist activity, NUCYNTA® may be expected to have additive effects when used in conjunction with alcohol, other opioids, or illicit drugs that cause central nervous system depression, respiratory depression, hypotension, and profound sedation, coma or death [see DRUG INTERACTIONS]. Instruct patients not to consume alcoholic beverages or use prescription or non-prescription products containing alcohol, other opioids, or drugs of abuse while on NUCYNTA® therapy [see DRUG INTERACTIONS].
Elderly, Cachectic, and Debilitated Patients
Respiratory depression is more likely to occur in elderly, cachectic, or debilitated patients as they may have altered pharmacokinetics or altered clearance compared to younger, healthier patients. Therefore, closely monitor such patients, particularly when NUCYNTA® is given concomitantly with other drugs that depress respiration.
Use in Patients with Chronic Pulmonary Disease
Monitor for respiratory depression those patients with significant chronic obstructive pulmonary disease or cor pulmonale, and patients having a substantially decreased respiratory reserve, hypoxia, hypercarbia, or pre-existing respiratory depression, as in these patients, even usual therapeutic doses of NUCYNTA® may decrease respiratory drive to the point of apnea. Consider the use of alternative non-opioid analgesics in these patients if possible.
Interactions with CNS Depressants and Illicit Drugs
Hypotension, and profound sedation, coma or respiratory depression may result if NUCYNTA® is used concomitantly with other CNS depressants (e.g., sedatives, anxiolytics, hypnotics, neuroleptics, muscle relaxants, other opioids and illicit drugs). When considering the use of NUCYNTA® in a patient taking a CNS depressant, assess the duration of use of the CNS depressant and the patient's response, including the degree of tolerance that has developed to CNS depression. Additionally, consider the patient's use, if any, of alcohol and/or illicit drugs that can cause CNS depression. If NUCYNTA® therapy is to be initiated in a patient taking a CNS depressant, start with a lower NUCYNTA® dose than usual and monitor patients for signs of sedation and respiratory depression and consider using a lower dose of the concomitant CNS depressant [see DRUG INTERACTIONS].
NUCYNTA® may cause severe hypotension. There is an increased risk in patients whose ability to maintain blood pressure has already been compromised by a reduced blood volume or concurrent administration of certain CNS depressant drugs (e.g., phenothiazines or general anesthetics) [see DRUG INTERACTIONS]. Monitor these patients for signs of hypotension after the dose of NUCYNTA®. In patients with circulatory shock, NUCYNTA® may cause vasodilation that can further reduce cardiac output and blood pressure. Avoid the use of NUCYNTA® in patients with circulatory shock.
Use in Patients with Head Injury or Increased Intracranial Pressure
Monitor patients taking NUCYNTA® who may be susceptible to the intracranial effects of CO2 retention (e.g., those with evidence of increased intracranial pressure or brain tumors) for signs of sedation and respiratory depression. NUCYNTA® may reduce respiratory drive, and the resultant CO2 retention can further increase intracranial pressure. Opioids may also obscure the clinical course in a patient with a head injury.
Avoid the use of NUCYNTA® in patients with impaired consciousness or coma.
NUCYNTA® has not been evaluated in patients with a predisposition to a seizure disorder, and such patients were excluded from clinical studies. The active ingredient tapentadol in NUCYNTA® may aggravate convulsions in patients with convulsive disorders, and may induce or aggravate seizures in some clinical settings. Monitor patients with a history of seizure disorders for worsened seizure control during NUCYNTA® therapy.
Serotonin Syndrome Risk
Cases of life-threatening serotonin syndrome have been reported with the concurrent use of tapentadol and serotonergic drugs. Serotonergic drugs comprise Selective Serotonin Reuptake Inhibitors (SSRIs), Serotonin and Norepinephrine Reuptake Inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, drugs that affect the serotonergic neurotransmitter system (e.g. mirtazapine, trazodone, and tramadol), and drugs that impair metabolism of serotonin (including MAOIs). This may occur within the recommended dose. Serotonin syndrome may include mental-status changes (e.g., agitation, hallucinations, coma), autonomic instability (e.g., tachycardia, labile blood pressure, hyperthermia), neuromuscular aberrations (e.g., hyperreflexia, incoordination) and/or gastrointestinal symptoms (e.g., nausea, vomiting, diarrhea) and can be fatal [see DRUG INTERACTIONS].
Use in Patients with Gastrointestinal Conditions
NUCYNTA® is contraindicated in patients with GI obstruction, including paralytic ileus. The tapentadol in NUCYNTA® may cause spasm of the sphincter of Oddi. Monitor patients with biliary tract disease, including acute pancreatitis, for worsening symptoms.
Withdrawal symptoms may occur if NUCYNTA® is discontinued abruptly. These symptoms may include: anxiety, sweating, insomnia, rigors, pain, nausea, tremors, diarrhea, upper respiratory symptoms, piloerection, and rarely, hallucinations. Withdrawal symptoms may be reduced by tapering NUCYNTA® [see Drug Abuse and Dependence].
Driving and Operating Heavy Machinery
NUCYNTA® may impair the mental or physical abilities needed to perform potentially hazardous activities such as driving a car or operating machinery. Warn patients not to drive or operate dangerous machinery unless they are tolerant to the effects of NUCYNTA® and know how they will react to the medication.
A study with NUCYNTA® in subjects with hepatic impairment showed higher serum concentrations of tapentadol than in those with normal hepatic function. Avoid use of NUCYNTA® in patients with severe hepatic impairment. Reduce the dose of NUCYNTA® in patients with moderate hepatic impairment [see DOSAGE AND ADMINISTRATION and CLINICAL PHARMACOLOGY]. Closely monitor patients with moderate hepatic impairment for respiratory and central nervous system depression when receiving NUCYNTA® .
Use of NUCYNTA® in patients with severe renal impairment is not recommended due to accumulation of a metabolite formed by glucuronidation of tapentadol. The clinical relevance of the elevated metabolite is not known [see CLINICAL PHARMACOLOGY].
Carcinogenesis, Mutagenesis, Impairment of Fertility
Tapentadol was administered to rats (diet) and mice (oral gavage) for two years.
In mice, tapentadol HCl was administered by oral gavage at dosages of 50, 100 and 200 mg/kg/day for 2 years (up to 0.2 times the plasma exposure at the maximum recommended human dose [MRHD] on an area under the time-curve [AUC] basis). No increase in tumor incidence was observed at any dose level.
In rats, tapentadol HCl was administered in diet at dosages of 10, 50, 125 and 250 mg/kg/day for two years (up to 0.2 times in the male rats and 0.6 times in the female rats the MRHD on an AUC basis). No increase in tumor incidence was observed at any dose level.
Tapentadol did not induce gene mutations in bacteria, but was clastogenic with metabolic activation in a chromosomal aberration test in V79 cells. The test was repeated and was negative in the presence and absence of metabolic activation. The one positive result for tapentadol was not confirmed in vivo in rats, using the two endpoints of chromosomal aberration and unscheduled DNA synthesis, when tested up to the maximum tolerated dose.
Impairment of Fertility
Tapentadol HCl was administered intravenously to male or female rats at dosages of 3, 6, or 12 mg/kg/day (representing exposures of up to approximately 0.4 times the exposure at the MRHD on an AUC basis, based on extrapolation from toxicokinetic analyses in a separate 4-week intravenous study in rats). Tapentadol did not alter fertility at any dose level. Maternal toxicity and adverse effects on embryonic development, including decreased number of implantations, decreased numbers of live conceptuses, and increased pre- and post-implantation losses occurred at dosages ≥ 6 mg/kg/day.
Use In Specific Populations
Pregnancy Category C
There are no adequate and well-controlled studies of NUCYNTA® in pregnant women. NUCYNTA® should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
Tapentadol HCl was evaluated for teratogenic effects in pregnant rats and rabbits following intravenous and subcutaneous exposure during the period of embryofetal organogenesis. When tapentadol was administered twice daily by the subcutaneous route in rats at dose levels of 10, 20, or 40 mg/kg/day [producing up to 1 times the plasma exposure at the maximum recommended human dose (MRHD) of 700 mg/day based on an area under the time-curve (AUC) comparison], no teratogenic effects were observed. Evidence of embryofetal toxicity included transient delays in skeletal maturation (i.e. reduced ossification) at the 40 mg/kg/day dose which was associated with significant maternal toxicity. Administration of tapentadol HCl in rabbits at doses of 4, 10, or 24 mg/kg/day by subcutaneous injection [producing 0.2, 0.6, and 1.85 times the plasma exposure at the MRHD based on an AUC comparison] revealed embryofetal toxicity at doses ≥ 10 mg/kg/day. Findings included reduced fetal viability, skeletal delays and other variations. In addition, there were multiple malformations including gastroschisis/thoracogastroschisis, amelia/phocomelia, and cleft palate at doses ≥ 10 mg/kg/day and above, and ablepharia, encephalopathy, and spina bifida at the high dose of 24 mg/kg/day. Embryofetal toxicity, including malformations, may be secondary to the significant maternal toxicity observed in the study.
In a study of pre- and postnatal development in rats, oral administration of tapentadol at doses of 20, 50, 150, or 300 mg/kg/day to pregnant and lactating rats during the late gestation and early postnatal period [resulting in up to 1.7 times the plasma exposure at the MRHD on an AUC basis] did not influence physical or reflex development, the outcome of neurobehavioral tests or reproductive parameters. Treatment-related developmental delay was observed, including incomplete ossification, and significant reductions in pup body weights and body weight gains at doses associated with maternal toxicity (150 mg/kg/day and above). At maternal tapentadol doses ≥ 150 mg/kg/day, a dose-related increase in pup mortality was observed through postnatal Day 4.
Labor and Delivery
NUCYNTA® is not for use in women during and immediately prior to labor. Occasionally, opioid analgesics may prolong labor by temporarily reducing the strength, duration, and frequency of uterine contractions. However, these effects are not consistent and may be offset by an increased rate of cervical dilatation which tends to shorten labor.
Opioids cross the placenta and may produce respiratory depression and psychophysiologic effects in neonates. Closely observe neonates whose mothers received opioid analgesics during labor for signs of respiratory depression. An opioid antagonist, such as naloxone, should be available for reversal of opioid-induced respiratory depression in the neonate in such situations.
There is insufficient/limited information on the excretion of tapentadol in human or animal breast milk. Physicochemical and available pharmacodynamic/toxicological data on tapentadol point to excretion in breast milk and risk to the breastfeeding child cannot be excluded.
Because of the potential for adverse reactions in nursing infants from NUCYNTA®, a decision should be made whether to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother.
Withdrawal symptoms can occur in breast-feeding infants when maternal administration of NUCYNTA® is stopped.
The safety and effectiveness of NUCYNTA® in pediatric patients less than 18 years of age have not been established.
Of the total number of patients in Phase 2/3 double-blind, multiple-dose clinical studies of NUCYNTA®, 19% were 65 and over, while 5% were 75 and over. No overall differences in effectiveness were observed between these patients and younger patients. The rate of constipation was higher in subjects greater than or equal to 65 years than those less than 65 years (12% vs. 7%).
In general, recommended dosing for elderly patients with normal renal and hepatic function is the same as for younger adult patients with normal renal and hepatic function. Because elderly patients are more likely to have decreased renal and hepatic function, consideration should be given to starting elderly patients with the lower range of recommended doses [see CLINICAL PHARMACOLOGY].
Neonatal Withdrawal Syndrome
Chronic maternal use of NUCYNTA® during pregnancy can affect the neonate with subsequent withdrawal signs. Neonatal withdrawal syndrome presents as irritability, hyperactivity and abnormal sleep pattern, high pitched cry, tremor, vomiting, diarrhea and failure to gain weight. The onset, duration and severity of neonatal withdrawal syndrome vary based on the drug used, duration of use, the dose of last maternal use, and rate of elimination drug by the newborn. Neonatal opioid withdrawal syndrome may be life-threatening and should be treated according to protocols developed by neonatology experts.
The safety and effectiveness of NUCYNTA® has not been established in patients with severe renal impairment (CLCR < 30 mL/min). Use of NUCYNTA® in patients with severe renal impairment is not recommended due to accumulation of a metabolite formed by glucuronidation of tapentadol. The clinical relevance of the elevated metabolite is not known [see CLINICAL PHARMACOLOGY].
Administration of tapentadol resulted in higher exposures and serum levels of tapentadol in subjects with impaired hepatic function compared to subjects with normal hepatic function [see CLINICAL PHARMACOLOGY]. The dose of NUCYNTA® should be reduced in patients with moderate hepatic impairment (Child-Pugh Score 7 to 9) [see DOSAGE AND ADMINISTRATION].
Use of NUCYNTA® is not recommended in patients with severe hepatic impairment (Child-Pugh Score 10 to 15) [see WARNINGS AND PRECAUTIONS].
Last reviewed on RxList: 7/24/2013
This monograph has been modified to include the generic and brand name in many instances.
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