By intravenous or intramuscular injection when oral therapy is not feasible: 1. Endocrine Disorders Primary or secondary adrenocortical insufficiency (hydrocortisone or cortisone is the drug of choice; synthetic analogs may be used in conjunction with mineralocorticoids where applicable; in infancy, mineralocorticoid supplementation is of particular importance). Acute adrenocortical insufficiency (hydrocortisone or cortisone is the drug of choice; mineralocorticoid supplementation may be necessary, particularly when synthetic analogs are used).
Preoperatively, and in the event of serious trauma or illness, in patients with known adrenal insufficiency or when adrenocortical reserve is doubtful. Shock unresponsive to conventional therapy if adrenocortical insufficiency exists or is suspected. Congenital adrenal hyperplasia Nonsuppurative thyroiditis Hypercalcemia associated with cancer 2. Rheumatic Disorders As adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in: Post-traumatic osteoarthritis Synovitis of osteoarthritis Rheumatoid arthritis, including juvenile rheumatoid arthritis (selected cases may require low-dose maintenance therapy).
Acute and subacute bursitis Epicondylitis Acute nonspecific tenosynovitis Acute gouty arthritis Psoriatic arthritis Ankylosing spondylitis 3. Collagen Diseases During an exacerbation or as maintenance therapy in selected cases of: Systemic lupus erythematosus Acute rheumatic carditis 4. Dermatologic Diseases Pemphigus Severe erythema multiforme (Stevens-Johnson syndrome) Exfoliative dermatitis Bullous dermatitis herpetiformis Severe seborrheic dermatitis Severe psoriasis Mycosis fungoides 5.
Allergic States Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in: Bronchial asthma Contact dermatitis Atopic dermatitis Serum sickness Seasonal or perennial allergic rhinitis Drug hypersensitivity reactions Urticarial transfusion reactions Acute noninfectious laryngeal edema (epinephrine is the drug of first choice). 6. Ophthalmic Diseases Severe acute and chronic allergic and inflammatory processes involving the eye, such as: Herpes zoster ophthalmicus Iritis, iridocyclitis Chorioretinitis Diffuse posterior uveitis and choroiditis Optic neuritis Sympathetic ophthalmia Anterior segment inflammation Allergic conjunctivitis Keratitis Allergic corneal marginal ulcers 7.
Gastrointestinal Diseases To tide the patient over a critical period of the disease in: Ulcerative colitis (systemic therapy) Regional enteritis (systemic therapy) 8. Respiratory Diseases Symptomatic sarcoidosis Berylliosis Fulminating or disseminated pulmonary tuberculosis when used concurrently with appropriate antituberculous chemotherapy. Loeffler’s syndrome not manageable by other means. Aspiration pneumonitis 9.
Hematologic Disorders Acquired (autoimmune) hemolytic anemia. Idiopathic thrombocytopenic purpura in adults (IV only; IM administration is contraindicated). Secondary thrombocytopenia in adults Erythroblastopenia (RBC anemia) Congenital (erythroid) hypoplastic anemia 10. Neoplastic Diseases For palliative management of: Leukemias and lymphomas in adults Acute leukemia of childhood 11. Edematous States To induce diuresis or remission of proteinuria in the nephrotic syndrome, without uremia, of the idiopathic type or that due to lupus erythematosus. 12.
Miscellaneous Tuberculous meningitis with subarachnoid block or impending block when used concurrently with appropriate antituberculous chemotherapy. Trichinosis with neurologic or myocardial involvement. 13. Diagnostic testing of adrenocortical hyperfunction. 14. Cerebral Edema associated with primary or metastatic brain tumor, craniotomy, or head injury. Use in cerebral edema is not a substitute for careful neurosurgical evaluation and definitive management such as neurosurgery or other specific therapy.
INDICATIONS AND USAGE Ropivacaine hydrochloride injection, USP is indicated for the production of local or regional anesthesia for surgery and for acute pain management. Surgical Anesthesia: epidural block for surgery including cesarean section; major nerve block; local infiltration Acute Pain Management: epidural continuous infusion or intermittent bolus, e.g., postoperative or labor; local infiltration For use as an first aid antiseptic pre-operative skin preperation
Contraindications
Systemic fungal infections (see WARNINGS regarding amphotericin B). Hypersensitivity to any component of this product (see WARNINGS ) . CONTRAINDICATIONS Ropivacaine hydrochloride injection is contraindicated in patients with a known hypersensitivity to ropivacaine or to any local anesthetic agent of the amide type.
Warnings and precautions
Because rare instances of anaphylactoid reactions have occurred in patients receiving parenteral corticosteroid therapy, appropriate precautionary measures should be taken prior to administration, especially when the patient has a history of allergy to any drug. Anaphylactoid and hypersensitivity reactions have been reported for dexamethasone sodium phosphate injection (see ADVERSE REACTIONS ). Corticosteroids may exacerbate systemic fungal infections and, therefore, should not be used in the presence of such infections unless they are needed to control drug reactions due to amphotericin B.
Moreover, there have been cases reported in which concomitant use of amphotericin B and hydrocortisone was followed by cardiac enlargement and congestive failure. In patients on corticosteroid therapy subjected to any unusual stress, increased dosage of rapidly acting corticosteroids before, during, and after the stressful situation is indicated. Drug-induced secondary adrenocortical insufficiency may result from too rapid withdrawal of corticosteroids and may be minimized by gradual reduction of dosage.
This type of relative insufficiency may persist for months after discontinuation of therapy; therefore, in any situation of stress occurring during that period, hormone therapy should be reinstituted. If the patient is receiving steroids already, dosage may have to be increased. Since mineralocorticoid secretion may be impaired, salt and/or a mineralocorticoid should be administered concurrently. Corticosteroids may mask some signs of infection, and new infections may appear during their use.
There may be decreased resistance and inability to localize infection when corticosteroids are used. Moreover, corticosteroids may affect the nitroblue-tetrazolium test for bacterial infection and produce false negative results. In cerebral malaria, a double-blind trial has shown that the use of corticosteroids is associated with prolongation of coma and a higher incidence of pneumonia and gastrointestinal bleeding. Corticosteroids may activate latent amebiasis.
Therefore, it is recommended that latent or active amebiasis be ruled out before initiating corticosteroid therapy in any patient who has spent time in the tropics or in any patient with unexplained diarrhea. Prolonged use of corticosteroids may produce posterior subcapsular cataracts, glaucoma with possible damage to the optic nerves, and may enhance the establishment of secondary ocular infections due to fungi or viruses.
Average and large doses of cortisone or hydrocortisone can cause elevation of blood pressure, salt and water retention, and increased excretion of potassium. These effects are less likely to occur with the synthetic derivatives except when used in large doses. Dietary salt restriction and potassium supplementation may be necessary. All corticosteroids increase calcium excretion. Administration of live virus vaccines, including smallpox, is contraindicated in individuals receiving immunosuppressive doses of corticosteroids.
If inactivated viral or bacterial vaccines are administered to individuals receiving immunosuppressive doses of corticosteroids, the expected serum antibody response may not be obtained. However, immunization procedures may be undertaken in patients who are receiving corticosteroids as replacement therapy, e.g., for Addison’s disease. Patients who are on drugs which suppress the immune system are more susceptible to infections than healthy individuals.
Chickenpox and measles, for example, can have a more serious or even fatal course in non-immune children or adults on corticosteroids. In such children or adults who have not had these diseases, particular care should be taken to avoid exposure. The risk of developing a disseminated infection varies among individuals and can be related to the dose, route and duration of corticosteroid administration as well as to the underlying disease.
If exposed to chickenpox, prophylaxis with varicella zoster immune globulin (VZIG) may be indicated. If chickenpox develops, treatment with antiviral agents may be considered. If exposed to measles, prophylaxis with immune globulin (IG) may be indicated. (See the respective package inserts for VZIG and IG for complete prescribing information). The use of dexamethasone sodium phosphate injection in active tuberculosis should be restricted to those cases of fulminating or disseminated tuberculosis in which the corticosteroid is used for the management of the disease in conjunction with an appropriate antituberculous regimen.
If corticosteroids are indicated in patients with latent tuberculosis or tuberculin reactivity, close observation is necessary as reactivation of the disease may occur. During prolonged corticosteroid therapy, these patients should receive chemoprophylaxis. Literature reports suggest an apparent association between use of corticosteroids and left ventricular free wall rupture after a recent myocardial infarction; therefore, therapy with corticosteroids should be used with great caution in these patients.
Serious Neurologic Adverse Reactions with Epidural Administration Serious neurologic events, some resulting in death, have been reported with epidural injection of corticosteroids. Specific events reported include, but are not limited to, spinal cord infarction, paraplegia, quadriplegia, cortical blindness, and stroke. These serious neurologic events have been reported with and without use of fluoroscopy. The safety and effectiveness of epidural administration of corticosteroids has not been established, and corticosteroids are not approved for this use.
Usage in Pregnancy Since adequate human reproduction studies have not been done with corticosteroids, use of these drugs in pregnancy or in women of childbearing potential requires that the anticipated benefits be weighed against the possible hazards to the mother and embryo or fetus. Infants born of mothers who have received substantial doses of corticosteroids during pregnancy should be carefully observed for signs of hypoadrenalism.
Corticosteroids appear in breast milk and could suppress growth, interfere with endogenous corticosteroid production, or cause other unwanted effects. Mothers taking pharmacologic doses of corticosteroids should be advised not to nurse. Serious Neurologic Adverse Reactions with Epidural Administration Serious neurologic events, some resulting in death, have been reported with epidural injection of corticosteroids. Specific events reported include, but are not limited to, spinal cord infarction, paraplegia, quadriplegia, cortical blindness, and stroke.
These serious neurologic events have been reported with and without use of fluoroscopy. The safety and effectiveness of epidural administration of corticosteroids has not been established, and corticosteroids are not approved for this use. Usage in Pregnancy Since adequate human reproduction studies have not been done with corticosteroids, use of these drugs in pregnancy or in women of childbearing potential requires that the anticipated benefits be weighed against the possible hazards to the mother and embryo or fetus.
Infants born of mothers who have received substantial doses of corticosteroids during pregnancy should be carefully observed for signs of hypoadrenalism. Corticosteroids appear in breast milk and could suppress growth, interfere with endogenous corticosteroid production, or cause other unwanted effects. Mothers taking pharmacologic doses of corticosteroids should be advised not to nurse. WARNINGS In performing ropivacaine hydrochloride blocks, unintended intravenous injection is possible and may result in cardiac arrhythmia or cardiac arrest.
The potential for successful resuscitation has not been studied in humans. There have been rare reports of cardiac arrest during the use of ropivacaine hydrochloride for epidural anesthesia or peripheral nerve blockade, the majority of which occurred after unintentional accidental intrav
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Interactions
Drug Interactions Specific trials studying the interaction between ropivacaine and class III antiarrhythmic drugs (e.g., amiodarone) have not been performed, but caution is advised (see WARNINGS ). Ropivacaine hydrochloride should be used with caution in patients receiving other local anesthetics or agents structurally related to amide-type local anesthetics, since the toxic effects of these drugs are additive. Cytochrome P4501A2 is involved in the formation of 3-hydroxy ropivacaine, the major metabolite.
In vivo, the plasma clearance of ropivacaine was reduced by 70% during coadministration of fluvoxamine (25 mg bid for 2 days), a selective and potent CYP1A2 inhibitor. Thus strong inhibitors of cytochrome P4501A2, such as fluvoxamine, given concomitantly during administration of ropivacaine hydrochloride, can interact with ropivacaine hydrochloride leading to increased ropivacaine plasma levels. Caution should be exercised when CYP1A2 inhibitors are coadministered.
Possible interactions with drugs known to be metabolized by CYP1A2 via competitive inhibition such as theophylline and imipramine may also occur. Coadministration of a selective and potent inhibitor of CYP3A4, ketoconazole (100 mg bid for 2 days with ropivacaine infusion administered 1 hour after ketoconazole) caused a 15% reduction in in vivo plasma clearance of ropivacaine. Patients who are administered local anesthetics are at increased risk of developing methemoglobinemia when concurrently exposed to the following drugs, which could include other local anesthetics: Examples of Drugs Associated with Methemoglobinemia: Class Examples Nitrates/Nitrites nitric oxide, nitroglycerin, nitroprusside, nitrous oxide Local anesthetics articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine
Pregnancy and breastfeeding
Pregnancy Category B Reproduction toxicity studies have been performed in pregnant New Zealand white rabbits and Sprague-Dawley rats. During gestation days 6 to 18, rabbits received 1.3, 4.2, or 13 mg/kg/day subcutaneously. In rats, subcutaneous doses of 5.3, 11 and 26 mg/kg/day were administered during gestation days 6 to 15. No teratogenic effects were observed in rats and rabbits at the highest doses tested. The highest doses of 13 mg/kg/day (rabbits) and 26 mg/kg/day (rats) are approximately 1/3 of the maximum recommended human dose (epidural, 770 mg/24 hours) based on a mg/m 2 basis.
In 2 prenatal and postnatal studies, the female rats were dosed daily from day 15 of gestation to day 20 postpartum. The doses were 5.3, 11 and 26 mg/kg/day subcutaneously. There were no treatment-related effects on late fetal development, parturition, lactation, neonatal viability, or growth of the offspring. In another study with rats, the males were dosed daily for 9 weeks before mating and during mating. The females were dosed daily for 2 weeks before mating and then during the mating, pregnancy, and lactation, up to day 42 post coitus.
At 23 mg/kg/day, an increased loss of pups was observed during the first 3 days postpartum. The effect was considered secondary to impaired maternal care due to maternal toxicity. There are no adequate or well-controlled studies in pregnant women of the effects of ropivacaine hydrochloride on the developing fetus. Ropivacaine hydrochloride should only be used during pregnancy if the benefits outweigh the risk. Teratogenicity studies in rats and rabbits did not show evidence of any adverse effects on organogenesis or early fetal development in rats (26 mg/kg sc) or rabbits (13 mg/kg).
The doses used were approximately equal to total daily dose based on body surface area. There were no treatment-related effects on late fetal development, parturition, lactation, neonatal viability, or growth of the offspring in 2 perinatal and postnatal studies in rats, at dose levels equivalent to the maximum recommended human dose based on body surface area. In another study at 23 mg/kg, an increased pup loss was seen during the first 3 days postpartum, which was considered secondary to impaired maternal care due to maternal toxicity.
Adverse reactions
Fluid and electrolyte disturbances: Sodium retention Fluid retention Congestive heart failure in susceptible patients Potassium loss Hypokalemic alkalosis Hypertension Musculoskeletal: Muscle weakness Steroid myopathy Loss of muscle mass Osteoporosis Vertebral compression fractures Aseptic necrosis of femoral and humeral heads Tendon rupture Pathologic fracture of long bones Gastrointestinal: Peptic ulcer with possible subsequent perforation and hemorrhage Perforation of the small and large bowel; particularly in patients with inflammatory bowel disease Pancreatitis Abdominal distention Ulcerative esophagitis Dermatologic: Impaired wound healing Thin fragile skin Petechiae and ecchymoses Erythema Increased sweating May suppress reactions to skin tests Burning or tingling, especially in the perineal area (after IV injection) Other cutaneous reactions, such as allergic dermatitis, urticaria, angioneurotic edema Neurologic: Convulsions Increased intracranial pressure with papilledema (pseudotumor cerebri) usually after treatment Vertigo Headache Psychic disturbances Endocrine: Menstrual irregularities Development of cushingoid state Suppression of growth in pediatric patients Secondary adrenocortical and pituitary unresponsiveness, particularly in times of stress, as in trauma, surgery, or illness Decreased carbohydrate tolerance Manifestations of latent diabetes mellitus Increased requirements for insulin or oral hypoglycemic agents in diabetics Hirsutism Ophthalmic: Posterior subcapsular cataracts Increased intraocular pressure Glaucoma Exophthalmos Retinopathy of prematurity Metabolic: Negative nitrogen balance due to protein catabolism Cardiovascular: Myocardial rupture following recent myocardial infarction (see WARNINGS ) Hypertrophic cardiomyopathy in low birth weight infants Other: Anaphylactoid or hypersensitivity reactions Thromboembolism Weight gain Increased appetite Nausea Malaise Hiccups The following additional adverse reactions are related to parenteral corticosteroid therapy: Hyperpigmentation or hypopigmentation Subcutaneous and cutaneous atrophy Sterile abscess Charcot-like arthropathy ADVERSE REACTIONS Reactions to ropivacaine are characteristic of those associated with other amide-type local anesthetics.
A major cause of adverse reactions to this group of drugs may be associated with excessive plasma levels, which may be due to overdosage, unintentional intravascular injection or slow metabolic degradation. The reported adverse events are derived from clinical studies conducted in the U.S. and other countries. The reference drug was usually bupivacaine. The studies used a variety of premedications, sedatives, and surgical procedures of varying length.
A total of 3,988 patients have been exposed to ropivacaine hydrochloride at concentrations up to 1% in clinical trials. Each patient was counted once for each type of adverse event. Incidence ≥ 5% For the indications of epidural administration in surgery, cesarean section, postoperative pain management, peripheral nerve block, and local infiltration, the following treatment-emergent adverse events were reported with an incidence of ≥5% in all clinical studies (N=3988): hypotension (37%), nausea (24.8%), vomiting (11.6%), bradycardia (9.3%), fever (9.2%), pain (8%), postoperative complications (7.1%), anemia (6.1%), paresthesia (5.6%), headache (5.1%), pruritus (5.1%), and back pain (5%).
Incidence 1 to 5% Urinary retention, dizziness, rigors, hypertension, tachycardia, anxiety, oliguria, hypoesthesia, chest pain, hypokalemia, dyspnea, cramps, and urinary tract infection. Incidence in Controlled Clinical Trials The reported adverse events are derived from controlled clinical studies with ropivacaine hydrochloride (concentrations ranged from 0.125% to 1% for ropivacaine hydrochloride and 0.25% to 0.75% for bupivacaine) in the U.S. and other countries involving 3,094 patients.
Table 3A and 3B list adverse events (number and percentage) that occurred in at least 1% of ropivacaine hydrochloride-treated patients in these studies. The majority of patients receiving concentrations higher than 5 mg/mL (0.5%) were treated with ropivacaine hydrochloride. Table 3A Adverse Events Reported in ≥1% of Adult Patients Receiving Regional or Local Anesthesia (Surgery, Labor, Cesarean Section, Postoperative Pain Management, Peripheral Nerve Block and Local Infiltration) Adverse Reaction Ropivacaine Hydrochloride total N=1661 Bupivacaine total N=1433 N (%) N (%) Hypotension 536 (32.3) 408 (28.5) Nausea 283 (17) 207 (14.4) Vomiting 117 (7) 88 (6.1) Bradycardia 96 (5.8) 73 (5.1) Headache 84 (5.1) 68 (4.7) Paresthesia 82 (4.9) 57 (4) Back pain 73 (4.4) 75 (5.2) Pain 71 (4.3) 71 (5) Pruritus 63 (3.8) 40 (2.8) Fever 61 (3.7) 37 (2.6) Dizziness 42 (2.5) 23 (1.6) Rigors (Chills) 42 (2.5) 24 (1.7) Postoperative complications 41 (2.5) 44 (3.1) Hypoesthesia 27 (1.6) 24 (1.7) Urinary retention 23 (1.4) 20 (1.4) Progression of labor poor/failed 23 (1.4) 22 (1.5) Anxiety 21 (1.3) 11 (0.8) Breast disorder, breast-feeding 21 (1.3) 12 (0.8) Rhinitis 18 (1.1) 13 (0.9) Table 3B Adverse Events Reported in ≥1% of Fetuses or Neonates of Mothers Who Received Regional Anesthesia (Cesarean Section and Labor Studies) Adverse Reaction Ropivacaine Hydrochloride total N=639 Bupivacaine total N=573 N (%) N (%) Fetal bradycardia 77 (12.1) 68 (11.9) Neonatal jaundice 49 (7.7) 47 (8.2) Neonatal complication-NOS 42 (6.6) 38 (6.6) Apgar score low 18 (2.8) 14 (2.4) Neonatal respiratory disorder 17 (2.7) 18 (3.1) Neonatal tachypnea 14 (2.2) 15 (2.6) Neonatal fever 13 (2) 14 (2.4) Fetal tachycardia 13 (2) 12 (2.1) Fetal distress 11 (1.7) 10 (1.7) Neonatal infection 10 (1.6) 8 (1.4) Neonatal hypoglycemia 8 (1.3) 16 (2.8) Incidence <1% The following adverse events were reported during the ropivacaine hydrochloride clinical program in more than one patient (N=3988), occurred at an overall incidence of <1%, and were considered relevant: Application Site Reactions – injection site pain Cardiovascular System – vasovagal reaction, syncope, postural hypotension, non-specific ECG abnormalities Female Reproductive – poor progression of labor, uterine atony Gastrointestinal System – fecal incontinence, tenesmus, neonatal vomiting General and Other Disorders – hypothermia, malaise, asthenia, accident and/or injury Hearing and Vestibular – tinnitus, hearing abnormalities Heart Rate and Rhythm – extrasystoles, non-specific arrhythmias, atrial fibrillation Liver and Biliary System – jaundice Metabolic Disorders – hypomagnesemia Musculoskeletal System – myalgia Myo/Endo/Pericardium – ST segment changes, myocardial infarction Nervous System – tremor, Horner’s syndrome, paresis, dyskinesia, neuropathy, vertigo, coma, convulsion, hypokinesia, hypotonia, ptosis, stupor Psychiatric Disorders – agitation, confusion, somnolence, nervousness, amnesia, hallucination, emotional lability, insomnia, nightmares Respiratory System – bronchospasm, coughing Skin Disorders – rash, urticaria Urinary System Disorders – urinary incontinence, micturition disorder Vascular – deep vein thrombosis, phlebitis, pulmonary embolism Vision – vision abnormalities For the indication epidural anesthesia for surgery, the 15 most common adverse events were compared between different concentrations of ropivacaine hydrochloride and bupivacaine.
Table 4 is based on data from trials in the U.S. and other countries where ropivacaine hydrochloride was administered as an epidural anesthetic for surgery. Table 4 Common Events (Epidural Administration) Adverse Reaction Ropivacaine Hydrochloride Bupivacaine 5 mg/mL total N=256 7.5 mg/mL total N=297 10 mg/mL total N=207 5 mg/mL total N=236 7.5 mg/mL total N=174 N (%) N (%) N (%) N (%) N (%) hypotension 99 (38.7) 146 (49.2) 113 (54.6) 91 (38.6) 89 (51.1) nausea 34 (13.3) 68 (22.9) 41 (17.4) 36 (20.7) bradycardia 29 (11.3) 58 (19.5) 40 (19.3) 32 (13.6) 25 (14.4) back pain 18 (7) 23 (7.7) 34 (16.4) 21 (8.9) 23 (13.2) vomiting 18 (7) 33
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