About The Drug Lidocaine Hydrochloride Monohydrate aka Zingo

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Find Lidocaine Hydrochloride Monohydrate side effects, uses, warnings, interactions and indications. Lidocaine Hydrochloride Monohydrate is also known as Zingo.

Lidocaine Hydrochloride Monohydrate

Lidocaine Hydrochloride Monohydrate Prescription Drug Bottle
About Lidocaine Hydrochloride Monohydrate aka Zingo

What's The Definition Of The Medical Condition Lidocaine Hydrochloride Monohydrate?

Clinical Pharmacology

CLINICAL PHARMACOLOGY Mechanism Of Action ZINGO® delivers lidocaine hydrochloride monohydrate into the dermis. Lidocaine is an amidetype local anesthetic agent that blocks sodium ion channels required for the initiation and conduction of neuronal impulses, resulting in local anesthesia. Pharmacodynamics ZINGO® provides local dermal analgesia within 1-3 minutes of application. Analgesia diminishes within 10 minutes of treatment. Pharmacokinetics Absorption A single dose of ZINGO® in adults did not produce detectable plasma concentrations of lidocaine (limit of quantitation 5 ng/ml) in any subject tested (n=38). Application of ZINGO® to broken or inflamed skin, or multiple ZINGO® applications, could result in systemic plasma levels of lidocaine that could products systemic toxicity. Distribution When lidocaine is administered intravenously to healthy volunteers, the steady-state volume of distribution is approximately 0.8 to 1.3 L/kg. At much higher plasma concentrations (1 to 4 mcg/ml of free base) than those found following application of ZINGO® , the plasma protein binding of lidocaine in concentration dependent. Lidocaine crosses the placental and blood brain barriers presumably by passive diffusion. CNS toxicity may typically be observed around 5000 ng/ml of lidocaine; however a small number of patients reportedly may show signs of toxicity at approximately 1000 ng/ml. Metabolism It is not known if lidocaine is metabolized in the skin. Lidocaine is metabolized rapidly by the liver to a number of metabolites including monethyglycinexlidide (MEGX) and glycinexylidide (GX), both of which have pharmacologic activity similar to, but less potent than that of lidocaine. The major metabolic pathway of lidocaine, sequential N-deethylation to monethylglycinexylidide (MEGX) and glucinexylidide (GX), is primarily mediated by CYP1A2 with a minor role of CYP3A4. The metabolite, 2, 6-xylidine, has unknown pharmacologic activity. Following intravenous administration of lidocaine, MEGX and GX concentrations in serum range from 11% to 36% and from 5% to 11% of lidocaine concentrations, respectively. Serum concentrations of MEGX are about one-third the serum lidocaine concentrations. Elimination The half-life of lidocaine elimination from the plasma following intravenous administration is approximately 1.8 hours. Lidocaine and its metabolites are excreted by the kidneys. More than 98% of an absorbed dose of lidocaine can be recovered in the urine as metabolites or parent drug. Less than 10% of lidocaine is excreted unchanged in adults, and approximately 20% is excreted unchanged in neonates. The systemic clearance is approximately 8-10 ml/min/kg. During intravenous studies, the eliminations half-life of lidocaine was statistically significantly longer in elder patients (2.5 hours) than in younger patients (1.5 hours). Clinical Studies Efficacy In Adults The efficacy of ZINGO® in adults was evaluated in a randomized, double-blind, parallel-arm, shamplacebo controlled trial in which adults patients who required a venipuncture or peripheral venous cannulation received either ZINGO® or a sham placebo device. Patients were treated with ZINGO® or a placebo device at the antecubital fossa or back of the hand between one and three minutes prior to venipuncture or peripheral venous cannulation. Measurements of pain were made immediately following the procedure. Efficacy was measured using a continuous 100 mm visual analogue scale ranging from 0 (“no pain”) to 100 (“worst possible pain”). Many of the patients had chronic medical problems such as depression, hypertension, hypothyroidism and hyperlipidemia and over one fourth of the population may have been at higher than average risk of dermal bleeding due to use of concomitant medications such as NSAIDs, aspirin, corticosteroids. Treatment with active drug resulted in less pain compared with placebo (see Table 1). Table 1 : Visual Analogue Scale Score (Full Safety/Efficacy Population) Adutt Study Active (N = 345) Placebo (N=348) Adjusted Mean, LSM1 11.61 16,23 Difference in LSMs (SE2) -4.62 (1.55) 95% Confidence Limits -7.67, -1.57 1 least squares mean 2 standard error However, efficacy was primarily seen in patients undergoing venipuncture at the antecubital fossa, while patients undergoing cannulation at the back of the hand did not demonstrate a difference between active and sham administrations. Efficacy In Pediatric Patients The efficacy of ZINGO® in patients 3-18 years of age was evaluated in two randomized, double-blind, parallel-arm sham-placebo controlled trials in which pediatric patients received either ZINGO® or a sham placebo device. The overall patient population consisted of healthy pediatric patients as well as those with acute and chronic medical conditions (i.e. diabetes, asthma, seizure disorder, juvenile rheumatoid arthritis and renal or hepatic transplantation) ages 3-18 years. All patients required peripheral venipuncture or intravenous cannulation as part of their clinical care. Two efficacy trials (studies 1 and 2) were conducted during which patients were treated  with ZINGO® or a placebo device at the back of hand or antecubital fossa, between one and three minutes prior to venipuncture or peripheral venous cannulation. Measurements of pain were made immediately following the venous procedure. Efficacy was measured using a modified version of the Wong-Baker FACES pain rating scale [a categorical 6-point scale containing 6 faces ranging from 0 (“no hurt”) to 5 (“hurts worst”)]. In both studies, treatment with active drug resulted in less pain from venipuncture or peripheral IV cannulation, compared with placebo (See Table 2). Table 2: Modified FACES Scale Score (ITT Population), Studies 1 and 2 Study 1 Study 2 Active (N=292) Placebo (N=287) Active (N=269) Placebo (N = 266) Adjusted Mean. LSM1 1.77 2.10 1.38 1.77 Difference in LSM& (SE2) -0.33 (0,13) -0.39 (0.13) 95% Confidence Limits -0.-50, -0,08 -0,65. -0.13 1 least squares mean 2 standard error

Drug Description

Find Lowest Prices on ZINGO® (lidocaine hydrochloride monohydrate) Intradermal Injection DESCRIPTION ZINGO® (lidocaine hydrochloride monohydrate) powder intradermal injection system contains 0.5 mg of sterile lidocaine hydrochloride monohydrate. The chemical name is 2-diethylamino - 2'6'- acetoxylidide, monohydrochloride, monohydrate. The molecular formula is C14H22N2O • HCl• H2O with a molecular weight of 288.8 Da. Lidocaine hydrochloride monohydrate, a local anesthetic of the amide class, has the following structural formula: Lidocaine hydrochloride monohydrate is freely soluble in water, soluble in alcohol and chloroform, insoluble in ether, and melts at around 74-79°C. ZINGO® is a ready-to-use, sterile, single-use, disposable, needle-free delivery system. ZINGO® consists of the following components: a drug reservoir cassette filled with 0.5 mg lidocaine hydrochloride monohydrate as a powder with a nominal particle size of 40 μm, a pressurized helium has cylinder, and a safety interlock. The safety interlock prevents inadvertent actuation of the device. Once ZINGO® is pressed against the skin, the interlock is released, allowing the button to be depressed to actuate the device. A sound similar to that of a popping balloon is emitted at the time of ZINGO® is actuated.

Indications & Dosage

INDICATIONS ZINGO® is indicated for use on intact skin to provide topical local analgesia prior to venipuncture or peripheral intravenous cannulation, in children 3-18 years of age. ZINGO® is indicated for use on intact skin to provide topical local analgesia prior to venipuncture in adults. DOSAGE AND ADMINISTRATION Apply one ZINGO® (0.5 mg lidocaine hydrochloride monohydrate) to the site planned for venipuncture or intravenous cannulation, one to three minutes prior to needle insertion. Perform the procedure within 10 minutes after ZINGO® administration. Use ZINGO® only on intact skin. Application of one additional ZINGO® at a new location is acceptable after a failed attempt at venous access. Multiple administration of ZINGO® at the same location are not recommended. When ZINGO® is used concomitantly with other products containing local anesthetic agents, the amount absorbed from all sources should be considered, as local anesthetics are thought to have at least additive toxicities. Instructions For Use Figure 1a And 1b Figure 2 ,3,4 and 5a Figure 5b and 6 HOW SUPPLIED Dosage Forms And Strengths ZINGO® (lidocaine hydrochloride monohydrate) powder intradermal injection system contains 0.5mg of sterile lidocaine hydrochloride monohydrate. Storage And Handling NDC 70645-123-26 ZINGO® (lidocaine hydrochloride monohydrate) powder intradermal injection system contains 0.5mg of sterile lidocaine hydrochloride monohydrate. ZINGO® is a single-use device packaged in an individual clear pouch. Twelve pouched devices are placed in labeled cartons. Cartons are stored at controlled room temperature (15-30°C, 59-86°F). Manufactured by: Powder Pharmaceuticals, Inc., Hong Kong, China. Distributed by: 7T Pharma LLC, Las Vegas, NV 89123, USA. Revised: May 2016

Medication Guide

PATIENT INFORMATION Patients should be made aware that a sound similar to that of a popping balloon is emitted at the time ZINGO® is actuated. Patients should be informed that skin reactions including erythema, petechiae, pruritus, and edema may occur.

Overdosage & Contraindications

OVERDOSE In adults following a single administration of ZINGO® the plasma levels of lidocaine were below the limit of detection (5 ng/ml). Signs of central nervous system (CNS) toxicity may start a plasma concentrations of lidocaine as low as 1000 ng/ml, and the risk of seizures generally increases with increasing plasma levels. Very high levels of lidocaine can cause respiratory arrest, coma, decreases in cardiac output, total peripheral resistance, and mean arterial pressure, ventricular arrhythmias, and cardiac arrest. The toxicity of coadminsitered local anesthetics is thought to be at least additive. In the absence of massive topical overdose or oral ingestion, other etiologies for the clinical effects or overdosage from other sources of lidocaine or other local anesthetics should be considered. The management of overdosage includes close monitoring, supportive care, and symptomatic treatment. Dialysis is of negligible value in the treatment of acute overdosage of lidocaine. CONTRAINDICATIONS ZINGO® is contraindicated in patients with a known history of sensitivity to local anesthetics of the amide type.

Side Effects & Drug Interactions

SIDE EFFECTS 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 clinical practice. The safety of ZINGO® has been evaluated in 10 clinical trials, five in adults and five in pediatric patients. The five adult clinical trials consisted of a randomized, double-blind, parallel-arm, sham-placebo controlled Phase 3 trial that enrolled 693 patients, two randomized, double-blind, crossover design, sham-placebo controlled Phase 1 trials that enrolled 455 patients, and two open -label studies that enrolled 44 patients. A total of 742 adults received an active treatment with an active treatment that delivered a 0.5 mg dose of lidocaine, while 755 received placebo. The five pediatric clinical trials consisted of five randomized, double-blind, parallel-arm, shamplacebo controlled trials in which 1761 patients, ages 3 to 18, received either ZINGO® or a sham placebo device. A total of 906 pediatric patients received active treatment, while 855 received placebo. Application Site Reaction The application site was specifically assessed for four categories of skin site reaction (erythema, edema, pruritus, and petechiae). In adults, erythema occurred in 67.3% of ZINGO® treated patients, and in 25.0% of placebo-treated patients. Petechiae occurred in 46.4% of ZINGO® treated patients, and in 7.0% of placebo-treated patients. Edema occurred in 4.3% of patients ZINGO® treated patients, and in 0.8% placebo-treated patients. Pruritus occurred in 9.4% of treated patients and in 6.2% of placebo-treated patients. In pediatric patients, erythema occurred in 53% of ZINGO® treated patients, and in 27%of placebo-treated patients. Petechiae occurred in 44% of ZINGO® treated patients, and in 5% of placebo-treated patients. Edema occurred in 8% of ZINGO® treated patients, and in 3% of placebo treated patients. Pruritus occurred in 1% of patients in both treatment groups. Adverse Reactions Amongst the 742 adult patients receiving active treatment and 775 adults patients receiving sham placebo treatment in the 5 adult studies, the percentage of adult patients with any adverse reactions was 3.9% in the active-treated patients and 4.9% in the sham placebo treated patients. Most adverse reactions were application-site related (i.e., hypoaesthesia (0% active, 0.5% sham placebo), burning (0.54% active, 0.4% sham placebo), and venipuncture site hemorrhage (0.4% active, 1.7% sham placebo)). The most common systemic adverse reaction was dizziness, which occurred in 0.9% of active treated adult patients and in 0.7% of sham placebo treated adult patients. No other systemic adverse events occurred in more than two patients in either treatment group. Amongst the 906 pediatric patients receiving active treatment and 855 pediatric patients receiving sham placebo treatment, the percentage of pediatric patients with any adverse reactions was approximately 9% in each treatment group. Most adverse reactions were application-site related (i.e. bruising, burning, pain, contusion, hemorrhage), occurring in 4% of pediatric patients in each treatment group. The most common systemic adverse reactions were nausea (2%) and vomiting (1%). DRUG INTERACTIONS No information provided. Drug Abuse And Dependence ZINGO® is not known to possess drug abuse or dependence potential.

Warnings & Precautions

WARNINGS Included as part of the PRECAUTIONS section. PRECAUTIONS Do not use around the eyes. Do not use ZINGO® on body orifices, mucous membranes, or on areas with a compromised skin barrier. Only use ZINGO® on skin locations where an adequate seal can be maintained. Patients with severe hepatic disease or pseudocholinesterase deficiency, because of their inability to metabolize local anesthetics normally, are at a greater risk of developing toxic plasma concentrations of lidocaine. Patients with bleeding tendencies or platelet disorders could have a higher risk of superficial dermal bleeding. Nonclinical Toxicology Carcinogenesis, Mutagenesis, Impairment Of Fertility Carcinogenesis Long-term studies in animals have not been performed to evaluate the carcinogenic potential of lidocaine. Mutagenesis No mutagenic potential of lidocaine was demonstrated in the in vitro Ames Bacterial Reserve Mutation Assay, the in vitro chromosome aberration assay using Chinese hamster ovary cells, and the in vivo mouse micronucleus assay. Impairment Of Fertility ZINGO® was not formally evaluated for effects on fertility. Significant systemic exposure to lidocaine is not expected under recommended conditions of use of ZINGO® , as lidocaine levels were below the limit of detection in human studies. Lidocaine has been previously tested in animal studies for effects on fertility, however. The following ratios are based on the assumption that the applied dose is completely absorbed through the skin. Lidocaine did not affect fertility in female rats when given via continuous subcutaneous infusion via osmotic minipums up to doses of 250 mg/kg/day [1500 mg/m² or 5000-fold higher than the SDA of 0.5 mg lidocaine in a 60 kg individual (0.3 mg/ m²)]. Although lidocaine treatment of male rats increased the copulatory interval and led to a dose-related decreased homogenization resistant sperm head count, daily sperm production, and spermatogenic efficiency, the treatment did not affect overall fertility in male rats when given subcutaneous doses up to 60 mg/kg (360 mg/m² or 1200-fold the SDA). Use In Specific Populations Pregnancy ZINGO® was not formally evaluated for effects on reproduction. Significant systemic exposure to lidocaine is not expected under recommended conditions of use of ZINGO® as lidocaine levels were below the limit of detection in human studies. Lidocaine has been previously tested for reproductive toxicity in animal studies, however. The following ratios are based on the assumption that the applied dose is completely absorbed through the skin. Teratogenic Effects Pregnancy Category B. Lidocaine was not teratogenic in rats given subcutaneous doses up to 60 mg/kg [360 mg/m² or 1200-fold the single dermal administration (SDA) of 0.5 mg lidocaine in a 60 kg individual (0.3 mg/m²)] or in rabbits up to 15 mg/kg (180 mg/m² or 600-fold the SDA). There are however, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive to human response, ZINGO® should be used during pregnancy only if clearly needed. Nonteratogenic Effects Lidocaine, containing 1:100,000 epinephrine, at a dose of 6 mg/kg (36 mg/m² or 120-fold the SDA) injected into the masseter muscle of the jaw or into the gum of the lower jaw of Long-Evans hooded pregnant rats on gestation day 11 led to developmental delays in neonatal behavior among offspring. Developmental delays were observed for negative geotaxis, static righting reflex, visual discrimination response, sensitivity and response to thermal and electrical shock stimuli, and water maze acquisition. The developmental delays of the neonatal animals were transient with responses becoming comparable to untreated animals later in life. The clinical relevance of the animal data is uncertain. No adequate and well-controlled studies have been conducted in pregnant women. Because animal studies are not always predictive of human response, ZINGO® should be used during pregnancy only if the potential benefit justifies risk to the fetus. Labor And Delivery Lidocaine is not contraindicated in labor and delivery. In humans, the use of lidocaine for labor conduction analgesia has not been associated with an increased incidence of adverse fetal effects either during delivery or during the neonatal period. Should ZINGO® be used concomitantly with other products containing lidocaine, total doses contributed by all formulations must be considered. Nursing Mothers Lidocaine is excreted into human milk; therefore, caution should be exercised when ZINGO® is administered to a nursing mother. Because no plasma concentrations of lidocaine are detected after topical administration of ZINGO® in recommended doses, the small amount of lidocaine that would be ingested orally by a suckling infant is unlikely to cause adverse effects. Pediatric Use Safety and effectiveness in pediatric patients below the age of 3 years have not been established. Geriatric Use Of the 693 patients evaluated in a Phase 3 randomized, double blind, sham-placebo-controlled trial in adults, 17% were of 65 and over. The safety and effectiveness of ZINGO® in geriatric patients were similar to that of ZINGO® in adults under 65 years of age.

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