About The Drug Onmel aka Itraconazole Oral Administration

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Find Onmel side effects, uses, warnings, interactions and indications. Onmel is also known as Itraconazole Oral Administration.

Onmel

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About Onmel aka Itraconazole Oral Administration

What's The Definition Of The Medical Condition Onmel?

Clinical Pharmacology

CLINICAL PHARMACOLOGY Mechanism Of Action Itraconazole, an azole, is an antifungal agent [See Microbiology]. Pharmacokinetics The oral bioavailability of itraconazole is increased when ONMEL is taken with a FDA standard high-fat meal. The pharmacokinetic parameters of itraconazole and hydroxy-itraconazole after administration of one ONMEL to 9 male and 9 female healthy subjects in fasting and in fed conditions are presented in the table below: Table 5: Pharmacokinetic Parameters Following a Single Dose of ONMEL (mean ± SD)** Itraconazole Hydroxy-itraconazole Fed Fasted Fed Fasted Cmax (ng/mL) 213±117* 162 ± 107 332±118 264 ±109 Tmax (hours) 4.6 ± 2.2 2.9 ± 0.8 5.7 ± 2.6 3.4 ± 0.8 AUC0-∞ (μg•h/mL) 3.34 ± 1.98 2.27 ± 1.44 7.05 ± 3.94 4.58 ± 2.80 *mean ± standard deviation ** Drug given after FDA standard high-fat breakfast The steady-state pharmacokinetics of itraconazole and hydroxy-itraconazole were analyzed after oral dosing of 16 healthy volunteers with one ONMEL following a moderate-fat breakfast once daily for 14 days in an open-label study. Mean maximum plasma levels of itraconazole and hydroxy-itraconazole increased from Day 1 to Day 14 by approximately 6- and 4-fold, respectively. The respective pharmacokinetic parameters from this study are reflected in the table below: Table 6: Pharmacokinetic Parameters Following Multiple Doses of ONMEL (mean ± SD) Taken with Moderate-fat Breakfasts* Statistic Day Itraconazole N=16 Hydroxy-itraconazole N=16 Cmax (ng/mL) Mean (SD) 1 14 116.8 (43.34) 658.1 (362.16) 221.7 (69.21) 974.2 (479.92) AUC0-24 (ng*h/mL) Mean (SD) 1 14 905.09 (384.239) 9046.81 (5320.516) 2538.33 (1057.872) 19054.95 (10443.214) Tmax (h) Median 1 4.00 (2.00-5.00) 4.00 (2.00-5.00) (Min-Max) 14 4.00 (1.00-24.00) 4.00 (3.00-24.00) T½ (h) Mean (SD) 14 36.84 (10.378) 20.06 (6.998) *Meal containing approximately 500 calories, 30% of which were derived from fat. In a 2-period, open-label, randomized, cross-over, pivotal bioequivalence study to assess the comparative bioavailability of the ONMEL and a marketed 100-mg itraconazole capsule, 28 male and 28 female healthy subjects were given as a single dose, 200 mg of itraconazole immediately after a moderate-fat breakfast (same caloric and fat contents as in the table above). Fifty-two subjects were included in the final analysis. The Cmax of the ONMEL was comparable to that of the 2 itraconazole 100-mg capsules while AUCt and AUC∞ were about 15% higher with the ONMEL. In another 2-period, open-label, randomized, cross-over, pivotal bioequivalence study, 28 male and 28 female healthy subjects were given one ONMEL or two 100-mg itraconazole capsules following the FDA standard high-fat breakfast. The Cmax and AUC∞ of the ONMEL were 20 and 30% lower, respectively, than those of two itraconazole 100-mg capsules. Overall, the inter-subject variability was high and coefficient of variances (CV) for AUCs in the above two studies were 44-66%. Itraconazole is metabolized predominately by the cytochrome P450 3A4 isoenzyme system (CYP3A4), resulting in the formation of several metabolites. Hydroxyitraconazole, the major metabolite, has in vitro antifungal activity comparable to itraconazole. Results of a pharmacokinetics study suggest that itraconazole may undergo saturable metabolism with multiple dosing. Based on an oral dose, fecal excretion of the parent drug varies between 3-18% of the dose. Itraconazole is excreted mainly as inactive metabolites in the urine (35%) and feces (54%) within one week of an oral dose. No single excreted metabolite represents more than 5% of a dose. The plasma protein binding of itraconazole has been reported to be 99.8% and that of hydroxy-itraconazole is 99.5%. [See CONTRAINDICATIONS] Microbiology Mechanism of Action Itraconazole inhibits the cytochrome P450-dependent synthesis of ergosterol, which is a vital component of fungal cell membranes. Activity In Vitro Itraconazole exhibits in vitro activity against Trichophyton rubrum and Trichophyton mentagrophytes. Resistance Isolates from several fungal species with decreased susceptibility to itraconazole have been isolated from patients receiving prolonged therapy. Several in vitro studies have reported that some fungal clinical isolates with reduced susceptibility to one azole antifungal agent may also be less susceptible to other azole derivatives. The finding of cross-resistance is dependent on a number of factors, including the species evaluated, its clinical history, the particular azole compounds compared, and the type of susceptibility test that is performed. The relevance of these in vitro susceptibility data to clinical outcome remains to be elucidated. Special Populations Renal Insufficiency Limited data are available on the use of oral itraconazole in patients with renal impairment. A pharmacokinetic study using a single 200-mg dose of itraconazole was conducted in three groups of patients with renal impairment (uremia: n=7; hemodialysis: n=7; and continuous ambulatory peritoneal dialysis: n=5). In uremic subjects with a mean creatinine clearance of 13 mL/min. x 1.73 m², the exposure, based on AUC, was slightly reduced compared with normal population parameters. The study did not demonstrate any significant effect of hemodialysis or continuous ambulatory peritoneal dialysis on the pharmacokinetics of itraconazole (Tmax, Cmax, and AUC0-8). Plasma concentration-versus-time profiles showed wide intersubject variation in all three groups. Caution should be exercised when the drug is administered in this population. [See WARNINGS AND PRECAUTIONS and DOSAGE AND ADMINISTRATION] Hepatic Insufficiency Itraconazole is predominantly metabolized in the liver. Patients with impaired hepatic function should be carefully monitored when taking itraconazole. A pharmacokinetic study using a single oral 100 mg dose of itraconazole was conducted in 6 healthy and 12 cirrhotic subjects. A statistically significant reduction in mean Cmax (47%) and a twofold increase in the elimination half-life (37 ± 17 hours vs. 16 ± 5 hours) of itraconazole were noted in cirrhotic subjects compared with healthy subjects. However, overall exposure to itraconazole, based on AUC, was similar in cirrhotic patients and in healthy subjects. The prolonged elimination half-life of itraconazole observed in the single oral dose clinical trial with itraconazole in cirrhotic patients should be considered when deciding to initiate therapy with other medications metabolized by CYP3A4. Data are not available in cirrhotic patients during long-term use of itraconazole. [See BOXED WARNING, CONTRAINDICATIONS, WARNINGS AND PRECAUTIONS, and DOSAGE AND ADMINISTRATION]

Drug Description

Find Lowest Prices on ONMEL (itraconazole) Oral Administration WARNING CONGESTIVE HEART FAILURE, CARDIAC EFFECTS, AND DRUG INTERACTIONS Do not administer ONMEL for the treatment of onychomycosis in patients with evidence of ventricular dysfunction such as congestive heart failure (CHF) or a history of CHF. When itraconazole was administered intravenously to dogs and healthy human volunteers, negative inotropic effects were seen. If signs or symptoms of congestive heart failure occur during administration of ONMEL, discontinue administration. [See CONTRAINDICATIONS, WARNINGS AND PRECAUTIONS, DRUG INTERACTIONS, and CLINICAL PHARMACOLOGY] Drug Interactions: Co-administration of cisapride, pimozide, quinidine, dofetilide, levacetylmethadol (levomethadyl), felodipine, oral midazolam, nisoldipine, triazolam, lovastatin, simvastatin, ergot alkaloids such as dihydroergotamine, ergometrine (ergonovine), ergotamine and methylergometrine (methylergonovine) or methadone with ONMEL is contraindicated. ONMEL, a potent cytochrome P450 3A4 isoenzyme system (CYP3A4) inhibitor, may increase plasma concentrations of drugs metabolized by this pathway. Serious cardiovascular events, including QT prolongation, torsades de pointes, ventricular tachycardia, cardiac arrest, and/or sudden death have occurred in patients using cisapride, pimozide, levacetylmethadol (levomethadyl), methadone or quinidine concomitantly with itraconazole and/or other CYP3A4 inhibitors. [See CONTRAINDICATIONS, WARNINGS AND PRECAUTIONS, and DRUG INTERACTIONS] DESCRIPTION ONMEL (itraconazole) is a synthetic triazole antifungal agent for oral use. Itraconazole is a 1:1:1:1 racemic mixture of four diastereomers (two enantiomeric pairs), each possessing three chiral centers. It may be represented by the following structural formula and nomenclature: (±)-cis-4-[4-[4-[4[[2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolane-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4-dihydro-2-(1-methylpropyl)-3H-1,2,4-triazol-3-one Itraconazole has a molecular formula of C35H38Cl2N8O4 and a molecular weight of 705.64. It is a white to slightly yellowish powder. It is insoluble in water, very slightly soluble in alcohols, and freely soluble in dichloromethane. It has a pKa of 3.70 (based on extrapolation of values obtained from methanolic solutions) and a log (n-octanol/water) partition coefficient of 5.66 at pH 8.1. Each ONMEL is formulated for melt extrusion technology and contains 200 mg of itraconazole and the following inactive ingredients: colloidal silicon dioxide, crospovidone, hydrogenated vegetable oil, hypromellose, lactose, microcrystalline cellulose, magnesium stearate, propylene glycol, talc, and titanium dioxide.

Indications & Dosage

INDICATIONS ONMEL is indicated for the treatment of onychomycosis of the toenail due to Trichophyton rubrum or T. mentagrophytes in non-immunocompromised patients. Prior to initiating treatment, appropriate nail specimens for laboratory testing (KOH preparation, fungal culture, or nail biopsy) should be obtained to confirm the diagnosis of onychomycosis. [See CONTRAINDICATIONS, WARNINGS AND PRECAUTIONS, DRUG INTERACTIONS, and CLINICAL PHARMACOLOGY] DOSAGE AND ADMINISTRATION ONMEL should be taken with a full meal at the same time each day. The recommended dose is 200 mg (one tablet) once daily for 12 consecutive weeks. Use in Patients with Renal Impairment Limited data are available on the use of oral itraconazole in patients with renal impairment. Caution should be exercised when ONMEL is administered to patients with renal impairment. [See CLINICAL PHARMACOLOGY and WARNINGS AND PRECAUTIONS] Use in Patients with Hepatic Impairment Limited data are available on the use of oral itraconazole in patients with hepatic impairment. Caution should be exercised when ONMEL is administered to patients with hepatic impairment. [See CLINICAL PHARMACOLOGY and WARNINGS AND PRECAUTIONS] HOW SUPPLIED Dosage Forms And Strengths ONMEL contain 200 mg of itraconazole, as a white to slightly grey, oblong, biconvex tablet engraved with “BARRIER” on one side and “It 200” on the other side. Storage And Handling ONMEL is available containing 200 mg of itraconazole, as a white to slightly grey, oblong, biconvex tablet engraved with “BARRIER” on one side and “It 200” on the other side. Each carton (NDC 0259-1420-28) contains two blister cards of 14 tablets each (NDC 0259-1420-14). Storage Store at controlled room temperature 15° to 25°C (59° to 77°F). Excursions permitted to 15° to 30°C (59° to 86°F). Protect from light and moisture. Keep out of reach of children. Manufactured by: Sanico N.V., 2300 Turnhout, Belgium. Manufactured for : Merz Pharmaceuticals, LLC, 4215 Tudor Lane Greensboro, NC 27410. Revised: Nov 2012

Medication Guide

PATIENT INFORMATION ONMEL (itraconazole) Oral Administration Read this Patient Information before you start using ONMEL and each time you get a refill. There may be new information. This information does not take the place of talking with your doctor about your medical condition or treatment. What is the most important information I should know about ONMEL? ONMEL can cause serious life-threatening side effects, including: 1. Heart Failure. Do not take ONMEL if you have had heart failure, including congestive heart failure. Stop taking ONMEL and call your doctor right away if you have any of these symptoms of congestive heart failure: shortness of breath swelling of your feet, ankles, or legs sudden weight gain increased tiredness coughing up white or pink phlegm fast heartbeat waking up at night more than normal for you 2. Serious cardiovascular effects. Do not take ONMEL if you also take the following medicines: cisapride (Propulsid) pimozide (Orap) quinidine (Quindine Gluconate, Quindine Sulfate) dofetilide (Tikosyn) levomethadyl (Oralaam) midazolam (Versed) felodipine, nisoldipine (Lexxel, Plendil, Sular) triazolam (Halcion) lovastatin (Mevacor, Advicor, Altoprev) simvastatin (Zocor, Simcor, Vytorin) ergot alkaloids (Migranal, Ergonovine, Cafergot, Methergine, Dihydroergotamine Mesylate, Methylergonovine) methadone (Dolophine) This is not a complete list of medicines that can interact with ONMEL. Before taking ONMEL, tell your doctor about all the medicine you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Before you start any new medicine, ask your doctor or pharmacist if it is safe to take it with ONMEL. What is ONMEL? ONMEL is a prescription medicine used to treat fungal infections of the toenails. It is not known if ONMEL is safe and effective in children under the age of 18. Who should not take ONMEL? Do not take ONMEL if you: have or had heart failure, including congestive heart failure. Take certain medicines. See “What is the most important information I should know about ONMEL?” are pregnant or plan to become pregnant. ONMEL can harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. have ever had an allergic reaction to itraconazole or any of the other ingredients in ONMEL. Ask your doctor or pharmacist for a list of these ingredients. What should I tell my doctor before taking ONMEL? Before taking ONMEL, tell your doctor if you: have or had heart, lung, liver or kidney problems have any other medical conditions are pregnant or planning to become pregnant. See “Who should not take ONMEL?”. Females who can become pregnant should use effective birth control during treatment with ONMEL and for 2 months after you stop treatment with ONMEL. Talk to your doctor about the type of birth control that is best for you while taking ONMEL. are breast-feeding or plan to breast-feed. ONMEL can pass into your breastmilk and may harm your baby. Talk to your doctor about the best way to feed your baby if you take ONMEL. Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Taking ONMEL with certain other medicines could lead to serious or life-threatening medical problems. See “What is the most important information I should know about ONMEL?” Fentanyl. Taking fentanyl, a strong opioid narcotic main medicine with ONMEL could cause serious breathing problems that can lead to death. Talk to your doctor or pharmacist before you start any new medicine. They can tell you if it is safe to take ONMEL with your other medicines. Know the medicines you take. Keep a list of your medicines and show it to your doctor and pharmacist when you get a new medicine. How should I take ONMEL? Take ONMEL exactly as prescribed by your doctor. Be sure to finish all of your ONMEL as prescribed by your doctor. ONMEL comes in a 14 tablet blisterpack container. Take ONMEL with a full meal at the same time each day. Your doctor should do blood tests to check your liver function before you start and while you take ONMEL, especially if you have liver problems. If you forget to take or miss doses of ONMEL, skip that dose and take the next dose at your regular time. Do not make up missed doses. If you take too many ONMEL, call your local poison control center or go to the nearest hospital emergency room right away. What are the possible side effects of ONMEL? ONMEL can cause serious side effects, including: See “What is the most important information I should know about ONMEL?” liver failure and death. Stop taking ONMEL and call your doctor right away if you have symptoms of liver failure including: unusually tired lose your appetite nausea abdominal pain vomiting yellow change in the color of your skin or eyes dark colored urine pale stools (bowel movements) nerve damage (neuropathy). Call your doctor right away if you have tingling or numbness in your hands or feet. You may need to stop taking ONMEL if this happens. hearing loss. Hearing loss can happen for a short time or permanently in some people who take ONMEL with other medications. Stop taking ONMEL and call your doctor right away if you have any changes in your hearing. Common side effects of ONMEL include: increased liver enzyme in blood test results upper respiratory infection or cold (runny nose, cough and sneeze) urinary tract infection (burning and painful urination) stomach pain diarrhea nausea headache tiredness throat pain back pain These are not all of the possible side effects of ONMEL. Tell your doctor if you any side effect that bothers you or that does not go away. For more information, ask your doctor. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. How should I store ONMEL? Store at controlled room temperature between 59° to 77°F (15° to 25°C). Keep ONMEL away from light and moisture. Keep ONMEL and all medicines out of reach of children. General Information: Medicines are sometimes prescribed for conditions that are not mentioned in Patient Information leaflets. Do not use ONMEL for a condition for which it was not prescribed. Do not give ONMEL to other people, even if they have the same symptoms that you have. It may harm them. This leaflet summarizes the most important information about ONMEL. If you would like more information, talk with your doctor. You can ask your doctor or pharmacist for information about ONMEL that is written for health professionals. For more information about ONMEL call 1-877-743-8454. What are the ingredients in ONMEL? Active ingredient: itraconazole Inactive ingredients: colloidal silicon dioxide, crospovidone, hydrogenated vegetable oil, hypromellose, lactose, magnesium stearate, microcrystalline cellulose, propylene glycol, talc, and titanium dioxide. What happens if I have a fungal nail infection? Anyone can have a fungal nail infection, but it is usually found in adults. When a fungus infects the nail, the infected part of the nail may turn yellow or brown. If not treated, the fungus may spread, and more of the nail may change color, may become thick or brittle, and the tip of the nail may become raised. In some patients, this can cause pain and discomfort.

Overdosage & Contraindications

OVERDOSE Itraconazole is not removed by dialysis. In the event of accidental overdosage, supportive measures, including gastric lavage with sodium bicarbonate, should be employed. CONTRAINDICATIONS Congestive Heart Failure Do not administer ONMEL for the treatment of onychomycosis in patients with evidence of ventricular dysfunction such as congestive heart failure (CHF) or a history of CHF. [See WARNINGS AND PRECAUTIONS, DRUG INTERACTIONS, and CLINICAL PHARMACOLOGY] Drug Interactions Concomitant administration of ONMEL and certain drugs that are metabolized by the cytochrome P450 3A4 isoenzyme system (CYP3A4) or where gastrointestinal absorption is regulated by P-gp may result in increased plasma concentrations of those drugs, leading to potentially serious and/or life-threatening adverse events. Co-administration of cisapride, dofetilide, ergot alkaloids such as dihydroergotamine, ergotamine, ergometrine (ergonovine), and methylergometrine (methylergonovine), felodipine, levacetylmethadol (levomethadyl), lovastatin, methadone, oral midazolam, nisoldipine, pimozide, quinidine, simvastatin, and triazolam with ONMEL is contraindicated. Do not administer ONMEL for the treatment of onychomycosis to pregnant patients or to women contemplating pregnancy. Anaphylaxis and hypersensitivity have been reported with use of itraconazole. ONMEL is contraindicated for patients who have shown hypersensitivity to itraconazole products.

Side Effects & Drug Interactions

Warnings & Precautions

WARNINGS Included as part of the PRECAUTIONS section. PRECAUTIONS Congestive Heart Failure, Peripheral Edema, And Pulmonary Edema Cases of CHF, peripheral edema, and pulmonary edema have been reported with itraconazole administration among patients being treated for onychomycosis and/or systemic fungal infections. [See CONTRAINDICATIONS and CLINICAL PHARMACOLOGY] Cardiac Dysrhythmias Life-threatening cardiac dysrhythmias and/or sudden death have occurred in patients using cisapride, pimozide, levacetylmethadol (levomethadyl), methadone, or quinidine concomitantly with itraconazole and/or other CYP3A4 inhibitors. Concomitant administration of these drugs with ONMEL is contraindicated. [See BOXED WARNING, CONTRAINDICATION, and DRUG INTERACTIONS] Cardiac Disease ONMEL should not be administered in patients with evidence of ventricular dysfunction such as congestive heart failure (CHF) or a history of CHF. Itraconazole has been shown to have a negative inotropic effect. When itraconazole was administered intravenously to anesthetized dogs, a dose-related negative inotropic effect was documented. In a healthy volunteer study of itraconazole injection, transient, asymptomatic decreases in left ventricular ejection fraction were observed using gated SPECT imaging; these resolved before the next infusion, 12 hours later. For patients with risk factors for congestive heart failure, physicians should carefully review the risks and benefits of ONMEL therapy. These risk factors include cardiac disease such as ischemic and valvular disease; significant pulmonary disease such as chronic obstructive pulmonary disease; and renal failure and other edematous disorders. Such patients should be informed of the signs and symptoms of CHF, should be treated with caution, and should be monitored for signs and symptoms of CHF during treatment. If signs or symptoms of CHF appear during administration of ONMEL, discontinue administration. Hepatic Effects Itraconazole has been associated with rare cases of serious hepatotoxicity, including liver failure and death. Some of these cases had neither pre-existing liver disease nor a serious underlying medical condition, and some of these cases developed within the first week of treatment. If clinical signs or symptoms develop that are consistent with hepatotoxicity, treatment should be discontinued immediately and liver function testing performed. In patients with elevated or abnormal liver enzymes or active liver disease, or who have experienced liver toxicity with other drugs, treatment with itraconazole is not recommended. Liver function monitoring should be done in patients with pre-existing hepatic function abnormalities or those who have experienced liver toxicity with other medications and should be considered in all patients receiving ONMEL. Calcium Channel Blockers Calcium channel blockers can have negative inotropic effects which may be additive to those of itraconazole. In addition, itraconazole can inhibit the metabolism of calcium channel blockers. Therefore, caution should be used when co-administering itraconazole and calcium channel blockers due to an increased risk of CHF. Concomitant administration of ONMEL and nisoldipine is contraindicated. Neuropathy If neuropathy occurs that may be attributable to ONMEL, the treatment should be discontinued. Hearing Loss Transient or permanent hearing loss has been reported in patients receiving treatment with itraconazole. Several of these reports included concurrent administration of quinidine which is contraindicated. [See BOXED WARNING and DRUG INTERACTIONS] The hearing loss usually resolves when treatment is stopped, but can persist in some patients. Patient Counseling Information [See FDA-approved Patient Labeling.] Information For Patients Instruct patients that hearing loss can occur with the use of itraconazole. The hearing loss usually resolves when treatment is stopped, but can persist in some patients. Advise patients to inform their physicians if any hearing loss occurs. Nonclinical Toxicology Carcinogenesis, Mutagenesis, Impairment Of Fertility No carcinogenicity, mutagenicity, or impairment of fertility studies were conducted with ONMEL. Itraconazole did not exhibit any carcinogenic potential in mice receiving oral doses up to 80 mg/kg/day (2 times MRHD, based on mg/m²/day comparisons) for 23 months. A slightly increased incidence of soft tissue sarcoma was observed in male rats administered 25 mg/kg/day (1.3 times MRHD, based on mg/m²/day comparisons). These tumors may have been related to hypercholesterolemia caused by chronic treatment with itraconazole in rats; hypercholesterolemia is not observed with such treatment in dogs or humans. Compared to untreated controls, female rats receiving 50 mg/kg/day (2.5 times MRHD, based on mg/m²/day comparisons) had a statistically insignificant increase in squamous cell carcinoma in lungs (2/50), an uncommon tumor in rats. Itraconazole did not exhibit any mutagenic or genotoxic effects when evaluated in a DNA repair test (unscheduled DNA synthesis) in primary rat hepatocytes, in Ames tests (6 Salmonella strains and E. coli), in the mouse lymphoma gene mutation test, in a sex-linked recessive lethal mutation (Drosophila melanogaster) test, in chromosome aberration test (human lymphocytes), in a cell transformation assay (C3H/10T½ C18 mouse embryo fibroblasts), in a dominant lethal mutation test in male and female mice, and in micronucleus tests in mice and rats. Itraconazole did not affect the fertility in male or female rats treated with oral doses up to 40 mg/kg/day (2 times MRHD, based on mg/m²/day comparisons); however, parental toxicity occurred at this dosage. More severe parental toxicity was observed at 160 mg/kg/day (10 times MRHD, based on mg/m²/day comparisons). Clinical Studies The efficacy of ONMEL for the treatment of onychomycosis of the toenail was examined in a randomized, multi-center, placebo-controlled, third-party blinded trial comparing ONMEL to two 100 mg itraconazole capsules and placebo tablets. In the clinical study, 791 subjects with diagnosis of distal and/or lateral subungual onychomycosis were randomized to ONMEL (N= 593) or placebo tablets (N= 198) once daily for 12 consecutive weeks. The median age of subjects enrolled in the trial was 48 years and 75% were males. At baseline, 95.1% of subjects had onychomycosis due to T. rubrum with a baseline global severity score of 'Moderate' which was defined as a target toenail involvement ≤ 50% dystrophy and/or discoloration with clear evidence of subungual hyperkeratosis and/or onycholysis. The primary endpoint was the proportion of subjects with a Complete Cure at Week 52, nine months after completion of study medication. A Complete Cure was defined as both a Clinical Cure (no evidence of onychomycosis in target nail; normal nail unit without subungual hyperkeratosis or onycholysis) and Mycological Cure (negative KOH and negative culture). The following table illustrates the study results for ONMEL and Placebo: Table 7: Primary Efficacy Results at Week 52 Endpoint ONMEL N=593 Placebo N=198 Complete Cure* 22.3% 1.0% * Complete Cure defined as Clinical Cure (no evidence of onychomycosis in target nail; normal nail unit without subungual hyperkeratosis or onycholysis) and Mycological Cure (negative KOH and negative culture) The Mycologic Cure rate was 44% and the Clinical Cure rate was 26% for subjects treated with ONMEL. Comparatively, the Mycological Cure rate was 6% and the Clinical Cure rate was 3% for subjects treated with Placebo Tablets. Efficacy results comparing ONMEL to 200 mg of itraconazole capsules (two 100 mg capsules) were similar. Use In Specific Populations Pregnancy Teratogenic effects Pregnancy Category C There are no adequate and well-controlled clinical trials in the pregnant women with itraconazole. However, cases of congenital abnormalities have been reported with itraconazole drug products in post-marketing reports. Therefore, ONMEL should not be administered to pregnant women, women planning pregnancy, or women of child bearing potential unless these onychomycosis patients are using effective contraception measures to prevent pregnancy. Effective contraceptive measures should continue throughout the treatment period and for two months thereafter. ONMEL should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Itraconazole produced a significant dose-related increase in maternal toxicity, embryotoxicity, and teratogenicity in rats at dose levels of 40-160 mg/kg/day (2-10 times the maximum recommended human dose [MRHD], based on mg/m²/day comparisons), and in mice at 80 mg/kg/day (2 times MRHD, based on mg/m²/day comparisons). Teratogenic changes in rats included major skeletal defects; encephalocele and/or macroglossia developed in mice. Nursing Mothers Itraconazole is excreted in human milk; therefore, the expected benefits of ONMEL therapy for the mother should be weighed against the potential risk from exposure of itraconazole to the infant. Pediatric Use The safety and effectiveness of ONMEL in pediatric patients have not been established. No pharmacokinetic data on ONMEL are available in children. Geriatric Use ONMEL was evaluated in 42 of 593 subjects (7.1%) greater than 65 years of age. Transient or permanent hearing loss has been reported in elderly patients receiving treatment with itraconazole. Several of these reports included concurrent administration of quinidine which is contraindicated. [See BOXED WARNING, CONTRAINDICATIONS, DRUG INTERACTIONS, and WARNINGS AND PRECAUTIONS] Itraconazole should be used with care in elderly patients. [See WARNINGS AND PRECAUTIONS] Renal Impairment Limited data are available on the use of oral itraconazole in patients with renal impairment. Caution should be exercised when ONMEL is administered to patients with renal impairment. [See CLINICAL PHARMACOLOGY and DOSAGE AND ADMINISTRATION] Hepatic Impairment Limited data are available on the use of oral itraconazole in patients with hepatic impairment. Caution should be exercised when ONMEL is administered to patients with hepatic impairment. [See CLINICAL PHARMACOLOGY and DOSAGE AND ADMINISTRATION]

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