Leflunomide
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Questions & Answers
Side Effects & Adverse Reactions
BEFORE THERAPY WITH CEFDINIR IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO CEFDINIR, OTHER CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS. IF CEFDINIR IS TO BE GIVEN TO PENICILLIN-SENSITIVE PATIENTS, CAUTION SHOULD BE EXERCISED BECAUSE CROSS-HYPERSENSITIVITY AMONG β-LACTAM ANTIBIOTICS HAS BEEN CLEARLY DOCUMENTED AND MAY OCCUR IN UP TO 10% OF PATIENTS WITH A HISTORY OF PENICILLIN ALLERGY. IF AN ALLERGIC REACTION TO CEFDINIR OCCURS, THE DRUG SHOULD BE DISCONTINUED. SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED.
Clostridium difficile associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including Cefdinir, and may range in severity from mild diarrhea to fatal colitis. Treatment with antibacterial agents alters the normal flora of the colon leading to overgrowth of C. difficile.
C. difficile produces toxins A and B which contribute to the development of CDAD. Hypertoxin producing strains of C. difficile cause increased morbidity and mortality, as these infections can be refractory to antimicrobial therapy and may require colectomy. CDAD must be considered in all patients who present with diarrhea following antibiotic use. Careful medical history is necessary since CDAD has been reported to occur over two months after the administration of antibacterial agents.
If CDAD is suspected or confirmed, ongoing antibiotic use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
To reduce the development of drug-resistant bacteria and maintain the effectiveness of cefdinir capsules and other antibacterial drugs, cefdinir capsules should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
Cefdinir capsules are indicated for the treatment of patients with mild to moderate infections caused by susceptible strains of the designated microorganisms in the conditions listed below.
Caused by Haemophilus influenzae (including β-lactamase producing strains), Haemophilus parainfluenzae (including β-lactamase producing strains), Streptococcus pneumoniae (penicillin-susceptible strains only), and Moraxella catarrhalis (including β-lactamase producing strains) (see CLINICAL STUDIES).
Caused by Haemophilus influenzae (including β-lactamase producing strains), Haemophilus parainfluenzae (including β-lactamase producing strains), Streptococcus pneumoniae (penicillin-susceptible strains only), and Moraxella catarrhalis (including β-lactamase producing strains).
Caused by Haemophilus influenzae (including β-lactamase producing strains), Streptococcus pneumoniae (penicillin-susceptible strains only), and Moraxella catarrhalis (including β-lactamase producing strains).
NOTE: For information on use in pediatric patients, see Pediatric Use and DOSAGE AND ADMINISTRATION.
Caused by Streptococcus pyogenes (see CLINICAL STUDIES).
NOTE: Cefdinir is effective in the eradication of S. pyogenes from the oropharynx. Cefdinir has not, however, been studied for the prevention of rheumatic fever following S. pyogenes pharyngitis/tonsillitis. Only intramuscular penicillin has been demonstrated to be effective for the prevention of rheumatic fever.
Caused by Staphylococcus aureus (including β-lactamase producing strains) and Streptococcus pyogenes.
Caused by Haemophilus influenzae (including β-lactamase producing strains), Streptococcus pneumoniae (penicillin-susceptible strains only), and Moraxella catarrhalis (including β-lactamase producing strains).
Caused by Streptococcus pyogenes (see CLINICAL STUDIES).
NOTE: Cefdinir is effective in the eradication of S. pyogenes from the oropharynx. Cefdinir has not, however, been studied for the prevention of rheumatic fever following S. pyogenes pharyngitis/tonsillitis. Only intramuscular penicillin has been demonstrated to be effective for the prevention of rheumatic fever.
Caused by Staphylococcus aureus (including β-lactamase producing strains) and Streptococcus pyogenes.
History
There is currently no drug history available for this drug.
Other Information
Cefdinir capsules contains the active ingredient cefdinir, an extended-spectrum, semisynthetic cephalosporin, for oral administration. Chemically, cefdinir is [6R-[6α,7β(Z)]]-7-[[(2-amino-4 thiazolyl) (hydroxyimino) acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Cefdinir is a white to slightly brownish-yellow solid. It is slightly soluble in dilute hydrochloric acid and sparingly soluble in 0.1 M pH 7.0 phosphate buffer. The molecular formula is C14H13N5O5S2 and the molecular weight is 395.42. Cefdinir has the structural formula shown below:
Cefdinir capsules contain 300 mg of cefdinir and the following inactive ingredients: carboxymethylcellulose calcium; colloidal silicon dioxide; and magnesium stearate. The capsule shells contain D&C Red #28; FD&C Blue #1; FD&C Red #40; gelatin and titanium dioxide.
Sources
Leflunomide Manufacturers
- H3 Medical Inc.
![Leflunomide Powder [H3 Medical Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Leflunomide | Bluepoint Laboratories
(see INDICATIONS AND USAGE for Indicated Pathogens)
The recommended dosage and duration of treatment for infections in adults and adolescents are described in the following chart; the total daily dose for all infections is 600 mg. Once-daily dosing for 10 days is as effective as BID dosing. Once-daily dosing has not been studied in pneumonia or skin infections; therefore, cefdinir capsules should be administered twice daily in these infections. Cefdinir capsules may be taken without regard to meals.
Adults and Adolescents (Age 13 years and Older) Type of Infection
Dosage
DurationCommunity-Acquired Pneumonia
300 mg q12h
10 days
Acute Exacerbations of Chronic Bronchitis
300 mg q12h
5 to 10 days
or
Acute Maxillary Sinusitis
600 mg q24h
10 days
300 mg q12h
10 days
or
Pharyngitis/Tonsillitis
600 mg q24h
10 days
300 mg q12h
5 to 10 days
or
Uncomplicated Skin and Skin Structure Infections
600 mg q24h
10 days
300 mg q12h
10 days
Patients With Renal Insufficiency:For adult patients with creatinine clearance <30 mL/min, the dose of cefdinir should be 300 mg given once daily.
Creatinine clearance is difficult to measure in outpatients. However, the following formula may be used to estimate creatinine clearance (CLcr) in adult patients. For estimates to be valid, serum creatinine levels should reflect steady-state levels of renal function.
(weight) (140 – age)
Males: CLcr = ——————————
(72) (serum creatinine)
Females: CLcr = 0.85 x above value
where creatinine clearance is in mL/min, age is in years, weight is in kilograms, and serum creatinine is in mg/dL.(3)
The following formula may be used to estimate creatinine clearance in pediatric patients:
body length or height
CLcr = K x ——————————
serum creatinine
where K = 0.55 for pediatric patients older than 1 year(4) and 0.45 for infants (up to 1 year)(5).
In the above equation, creatinine clearance is in mL/min/1.73 m2, body length or height is in centimeters, and serum creatinine is in mg/dL.
For pediatric patients with a creatinine clearance of <30 mL/min/1.73 m2, the dose of cefdinir should be 7 mg/kg (up to 300 mg) given once daily.
Patients on Hemodialysis:Hemodialysis removes cefdinir from the body. In patients maintained on chronic hemodialysis, the recommended initial dosage regimen is a 300 mg or 7 mg/kg dose every other day. At the conclusion of each hemodialysis session, 300 mg (or 7 mg/kg) should be given. Subsequent doses (300 mg or 7 mg/kg) are then administered every other day.
- Sandoz Inc
Leflunomide | Sandoz Inc
Loading DoseDue to the long half-life in patients with RA and recommended dosing interval (24 hours), a loading dose is needed to provide steady-state concentrations more rapidly. It is recommended that leflunomide therapy be initiated with a loading dose of one 100 mg tablet per day for 3 days.
Elimination of the loading dose regimen may decrease the risk of adverse events. This could be especially important for patients at increased risk of hematologic or hepatic toxicity, such as those receiving concomitant treatment with methotrexate or other immunosuppressive agents or on such medications in the recent past. (See WARNINGS: Hepatotoxicity).
Maintenance TherapyDaily dosing of 20 mg is recommended for treatment of patients with RA. A small cohort of patients (n=104), treated with 25 mg/day, experienced a greater incidence of side effects; alopecia, weight loss, liver enzyme elevations. Doses higher than 20 mg/day are not recommended. If dosing at 20 mg/day is not well tolerated clinically, the dose may be decreased to 10 mg daily. Due to the prolonged half-life of the active metabolite of leflunomide, patients should be carefully observed after dose reduction, since it may take several weeks for metabolite levels to decline.
MonitoringHematology parameters and liver enzymes should be monitored (see PRECAUTIONS: Laboratory Tests; WARNINGS: Hepatotoxicity; WARNINGS: Immunosuppression Potential/Bone Marrow Suppression).
- Northstar Rxllc
Leflunomide | Par Pharmaceutical Inc.
Lamotrigine extended-release tablets are taken once daily, with or without food. Tablets must be swallowed whole and must not be chewed, crushed, or divided.
2.1 General Dosing ConsiderationsRash: There are suggestions, yet to be proven, that the risk of severe, potentially life-threatening rash may be increased by (1) coadministration of lamotrigine extended-release with valproate, (2) exceeding the recommended initial dose of lamotrigine extended-release, or (3) exceeding the recommended dose escalation for lamotrigine extended-release. However, cases have occurred in the absence of these factors [see Boxed Warning]. Therefore, it is important that the dosing recommendations be followed closely.
The risk of nonserious rash may be increased when the recommended initial dose and/or the rate of dose escalation of lamotrigine extended-release is exceeded and in patients with a history of allergy or rash to other AEDs.
It is recommended that lamotrigine extended-release not be restarted in patients who discontinued due to rash associated with prior treatment with lamotrigine, unless the potential benefits clearly outweigh the risks. If the decision is made to restart a patient who has discontinued lamotrigine extended-release, the need to restart with the initial dosing recommendations should be assessed. The greater the interval of time since the previous dose, the greater consideration should be given to restarting with the initial dosing recommendations. If a patient has discontinued lamotrigine for a period of more than 5 half-lives, it is recommended that initial dosing recommendations and guidelines be followed. The half-life of lamotrigine is affected by other concomitant medications [see Clinical Pharmacology (12.3)].
Lamotrigine Extended-Release Added to Drugs Known to Induce or Inhibit Glucuronidation: Because lamotrigine is metabolized predominantly by glucuronic acid conjugation, drugs that are known to induce or inhibit glucuronidation may affect the apparent clearance of lamotrigine. Drugs that induce glucuronidation include carbamazepine, phenytoin, phenobarbital, primidone, rifampin, estrogen-containing oral contraceptives, and the protease inhibitors lopinavir/ritonavir and atazanavir/ritonavir. Valproate inhibits glucuronidation. For dosing considerations for lamotrigine extended-release in patients on estrogen-containing contraceptives and atazanavir/ritonavir, see below and Table 5. For dosing considerations for lamotrigine extended-release in patients on other drugs known to induce or inhibit glucuronidation, see Table 1 and Table 5.
Target Plasma Levels: A therapeutic plasma concentration range has not been established for lamotrigine. Dosing of lamotrigine extended-release should be based on therapeutic response [see Clinical Pharmacology (12.3)].
Women Taking Estrogen-Containing Oral Contraceptives: Starting Lamotrigine Extended-Release in Women Taking Estrogen-Containing Oral Contraceptives: Although estrogen-containing oral contraceptives have been shown to increase the clearance of lamotrigine [see Clinical Pharmacology (12.3)], no adjustments to the recommended dose-escalation guidelines for lamotrigine extended-release should be necessary solely based on the use of estrogen-containing oral contraceptives. Therefore, dose escalation should follow the recommended guidelines for initiating adjunctive therapy with lamotrigine extended-release based on the concomitant AED or other concomitant medications (see Table 1). See below for adjustments to maintenance doses of lamotrigine extended-release in women taking estrogen-containing oral contraceptives.
Adjustments to the Maintenance Dose of Lamotrigine Extended-Release in Women Taking Estrogen-Containing Oral Contraceptives:
(1) Taking Estrogen-Containing Oral Contraceptives: In women not taking carbamazepine, phenytoin, phenobarbital, primidone, or other drugs such as rifampin and the protease inhibitors lopinavir/ritonavir and atazanavir/ritonavir that induce lamotrigine glucuronidation [see Drug Interactions, (7), Clinical Pharmacology (12.3)], the maintenance dose of lamotrigine extended-release will in most cases need to be increased, by as much as 2-fold over the recommended target maintenance dose in order to maintain a consistent lamotrigine plasma level.
(2) Starting Estrogen-Containing Oral Contraceptives: In women taking a stable dose of lamotrigine extended-release and not taking carbamazepine, phenytoin, phenobarbital, primidone, or other drugs such as rifampin and the protease inhibitors lopinavir/ritonavir and atazanavir/ritonavir that induce lamotrigine glucuronidation [see Drug Interactions (7), Clinical Pharmacology (12.3)], the maintenance dose will in most cases need to be increased by as much as 2-fold in order to maintain a consistent lamotrigine plasma level. The dose increases should begin at the same time that the oral contraceptive is introduced and continue, based on clinical response, no more rapidly than 50 to 100 mg/day every week. Dose increases should not exceed the recommended rate (see Table 1) unless lamotrigine plasma levels or clinical response support larger increases. Gradual transient increases in lamotrigine plasma levels may occur during the week of inactive hormonal preparation (pill-free week), and these increases will be greater if dose increases are made in the days before or during the week of inactive hormonal preparation. Increased lamotrigine plasma levels could result in additional adverse reactions, such as dizziness, ataxia, and diplopia. If adverse reactions attributable to lamotrigine extended-release consistently occur during the pill-free week, dose adjustments to the overall maintenance dose may be necessary. Dose adjustments limited to the pill-free week are not recommended. For women taking lamotrigine extended-release in addition to carbamazepine, phenytoin, phenobarbital, primidone, or other drugs such as rifampin and the protease inhibitors lopinavir/ritonavir and atazanavir/ritonavir that induce lamotrigine glucuronidation [see Drug Interactions (7), Clinical Pharmacology (12.3)], no adjustment to the dose of lamotrigine extended-release should be necessary.
(3) Stopping Estrogen-Containing Oral Contraceptives: For women not taking carbamazepine, phenytoin, phenobarbital, primidone, or other drugs such as rifampin and the protease inhibitors lopinavir/ritonavir and atazanavir/ritonavir that induce lamotrigine glucuronidation [see Drug Interactions (7), Clinical Pharmacology (12.3)], the maintenance dose of lamotrigine extended-release will in most cases need to be decreased by as much as 50% in order to maintain a consistent lamotrigine plasma level. The decrease in dose of lamotrigine extended-release should not exceed 25% of the total daily dose per week over a 2-week period, unless clinical response or lamotrigine plasma levels indicate otherwise [see Clinical Pharmacology (12.3)]. For women taking lamotrigine extended-release in addition to carbamazepine, phenytoin, phenobarbital, primidone, or other drugs such as rifampin and the protease inhibitors lopinavir/ritonazir and atazanavir/ritonavir that induce lamotrigine glucuronidation [see Drug Interactions (7), Clinical Pharmacology (12.3)], no adjustment to the dose of lamotrigine extended-release should be necessary.
Women and Other Hormonal Contraceptive Preparations or Hormone Replacement Therapy: The effect of other hormonal contraceptive preparations or hormone replacement therapy on the pharmacokinetics of lamotrigine has not been systematically evaluated. It has been reported that ethinylestradiol, not progestogens, increased the clearance of lamotrigine up to 2-fold, and the progestin-only pills had no effect on lamotrigine plasma levels. Therefore, adjustments to the dosage of lamotrigine extended-release in the presence of progestogens alone will likely not be needed.
Patients Taking Atazanavir/Ritonavir: While atazanavir/ritonavir does reduce the lamotrigine plasma concentration, no adjustments to the recommended dose-escalation guidelines for lamotrigine extended-release should be necessary solely based on the use of atazanavir/ritonavir. Dose escalation should follow the recommended guidelines for initiating adjunctive therapy with lamotrigine extended-release based on concomitant AED or other concomitant medications (see Table 1 and Table 5). In patients already taking maintenance doses of lamotrigine extended-release and not taking glucuronidation inducers, the dose of lamotrigine extended-release may need to be increased if atazanavir/ritonavir is added, or decreased if atazanavir/ritonavir is discontinued [see Clinical Pharmacology (12.3)].
Patients With Hepatic Impairment: Experience in patients with hepatic impairment is limited. Based on a clinical pharmacology study in 24 subjects with mild, moderate, and severe liver impairment [see Use in Specific Populations (8.6), Clinical Pharmacology (12.3)], the following general recommendations can be made. No dosage adjustment is needed in patients with mild liver impairment. Initial, escalation, and maintenance doses should generally be reduced by approximately 25% in patients with moderate and severe liver impairment without ascites and 50% in patients with severe liver impairment with ascites. Escalation and maintenance doses may be adjusted according to clinical response.
Patients With Renal Impairment: Initial doses of lamotrigine extended-release should be based on patients’ concomitant medications (see Table 1); reduced maintenance doses may be effective for patients with significant renal impairment [see Use in Specific Populations (8.7), Clinical Pharmacology (12.3)]. Few patients with severe renal impairment have been evaluated during chronic treatment with immediate-release lamotrigine. Because there is inadequate experience in this population, lamotrigine extended-release should be used with caution in these patients.
Discontinuation Strategy: For patients receiving lamotrigine extended-release in combination with other AEDs, a reevaluation of all AEDs in the regimen should be considered if a change in seizure control or an appearance or worsening of adverse reactions is observed.
If a decision is made to discontinue therapy with lamotrigine extended-release, a step-wise reduction of dose over at least 2 weeks (approximately 50% per week) is recommended unless safety concerns require a more rapid withdrawal [see Warnings and Precautions (5.8)].
Discontinuing carbamazepine, phenytoin, phenobarbital, primidone, or other drugs such as rifampin and the protease inhibitors lopinavir/ritonazir and atazanavir/ritonavir that induce lamotrigine glucuronidation should prolong the half-life of lamotrigine; discontinuing valproate should shorten the half-life of lamotrigine.
2.2 Adjunctive Therapy for Primary Generalized Tonic-Clonic and Partial Onset SeizuresThis section provides specific dosing recommendations for patients aged 13 years and older. Specific dosing recommendations are provided depending upon concomitant AED or other concomitant medications.
Table 1. Escalation Regimen for Lamotrigine Extended-Release Tablets in Patients Aged 13 Years and Older a Valproate has been shown to inhibit glucuronidation and decrease the apparent clearance of lamotrigine [see DRUG INTERACTIONS (7), Clinical Pharmacology (12.3)]For Patients TAKING Valproatea
For Patients NOT TAKING Carbamazepine, Phenytoin, Phenobarbital, Primodone,b or Valproatea
For Patients TAKING Carbamazepine, Phenytoin, Phenobarbital, or Primidoneb and NOT TAKING Valproatea
Weeks 1 and 2
25 mg every other day
25 mg every day
50 mg every day
Weeks 3 and 4
25 mg every day
50 mg every day
100 mg every day
Week 5
50 mg every day
100 mg every day
200 mg every day
Week 6
100 mg every day
150 mg every day
300 mg every day
Week 7
150 mg every day
200 mg every day
400 mg every day
Maintenance range (week 8 and onward)
200 to 250 mg every dayc
300 to 400 mg every dayc
400 to 600 mg every dayc
bDrugs that induce lamotrigine glucuronidation and increase clearance, other than the specified antiepileptic drugs, include estrogen-containing oral contraceptives, rifampin, and the protease inhibitors lopinavir/ritonavir and atazanavir/ritonavir. Dosing recommendations for oral contraceptives and the protease inhibitor atazanavir/ritonavir can be found in General Dosing Considerations [see Dosage and Administration (2.1)]. Patients on rifampin and the protease inhibitor lopinavir/ritonavir should follow the same dosing titration/maintenance regimen used with antiepileptic drugs that induce glucuronidation and increase clearance [see DOSAGE AND ADMINISTRATION (2.1), DRUG INTERACTIONS (7), Clinical Pharmacology (12.3)].
2.3 Conversion From Adjunctive Therapy to MonotherapyThe goal of the transition regimen is to attempt to maintain seizure control while mitigating the risk of serious rash associated with the rapid titration of lamotrigine extended-release.
To avoid an increased risk of rash, the recommended maintenance dosage range of lamotrigine extended-release as monotherapy is 250 to 300 mg given once daily.
The recommended initial dose and subsequent dose escalations for lamotrigine extended-release should not be exceeded [see Boxed Warning].
Conversion From Adjunctive Therapy With Carbamazepine, Phenytoin, Phenobarbital, or Primidone to Monotherapy with Lamotrigine Extended-Release: After achieving a dose of 500 mg/day of lamotrigine extended-release using the guidelines in Table 1, the concomitant enzyme-inducing AED should be withdrawn by 20% decrements each week over a 4 week period. Two weeks after completion of withdrawal of the enzyme-inducing AED, the dosage of lamotrigine extended-release may be decreased no faster than 100 mg/day each week to achieve the monotherapy maintenance dosage range of 250 to 300 mg/day.
The regimen for the withdrawal of the concomitant AED is based on experience gained in the controlled monotherapy clinical trial using immediate-release lamotrigine.
Conversion From Adjunctive Therapy With Valproate to Monotherapy With Lamotrigine Extended-Release: The conversion regimen involves the 4 steps outlined in Table 2.
Table 2. Conversion From Adjunctive Therapy With Valproate to Monotherapy With Lamotrigine Extended-Release in Patients 13 Years and Older With Epilepsy
Lamotrigine Extended-Release
Valproate
Step 1
Achieve a dose of 150 mg/day according to guidelines in Table 1.
Maintain established stable dose.
Step 2
Maintain at 150 mg/day.
Decrease dosage by decrements no greater than 500 mg/day/week to 500 mg/day and then maintain for 1 week.
Step 3
Increase to 200 mg/day.
Simultaneously decrease to 250 mg/day and maintain for 1 week.
Step 4
Increase to 250 or 300 mg/day.
Discontinue.
Conversion From Adjunctive Therapy With Antiepileptic Drugs Other Than Carbamazepine, Phenytoin, Phenobarbital, Primidone, or Valproate to Monotherapy with Lamotrogine Extended-Release: After achieving a dosage of 250 to 300 mg/day of lamotrigine extended-release using the guidelines in Table 1, the concomitant AED should be withdrawn by 20% decrements each week over a 4 week period. No adjustment to the monotherapy dose of lamotrigine extended-release is needed.
2.4 Conversion From Immediate-Release Lamotrigine Tablets to Lamotrigne Extended-ReleasePatients may be converted directly from immediate-release lamotrigine to lamotrigine extended-release tablets. The initial dose of lamotrigine extended-release should match the total daily dose of immediate-release lamotrigine. However, some subjects on concomitant enzyme-inducing agents may have lower plasma levels of lamotrigine on conversion and should be monitored [see Clinical Pharmacology ( 12.3)].
Following conversion to lamotrigine extended-release, all patients (but especially those on drugs that induce lamotrigine glucuronidation) should be closely monitored for seizure control [see Drug Interactions ( 7)]. Depending on the therapeutic response after conversion, the total daily dose may need to be adjusted within the recommended dosing instructions (Table 1).
- Golden State Medical Supply, Inc.
Leflunomide | Golden State Medical Supply, Inc.
Loading DoseDue to the long half-life in patients with RA and recommended dosing interval (24 hours), a loading dose is needed to provide steady-state concentrations more rapidly. It is recommended that leflunomide therapy be initiated with a loading dose of one 100 mg tablet per day for three days.
Elimination of the loading dose regimen may decrease the risk of adverse events. This could be especially important for patients at increased risk of hematologic or hepatic toxicity, such as those receiving concomitant treatment with methotrexate or other immunosuppressive agents or on such medications in the recent past (seeWARNINGS - Hepatotoxicity).
Maintenance TherapyDaily dosing of 20 mg is recommended for treatment of patients with RA. A small cohort of patients (n=104), treated with 25 mg/day, experienced a greater incidence of side effects; alopecia, weight loss, liver enzyme elevations. Doses higher than 20 mg/day are not recommended. If dosing at 20 mg/day is not well tolerated clinically, the dose may be decreased to 10 mg daily. Due to the prolonged half-life of the active metabolite of leflunomide, patients should be carefully observed after dose reduction, since it may take several weeks for metabolite levels to decline.
MonitoringHematology parameters and liver enzymes should be monitored (seePRECAUTIONS, Laboratory Tests; WARNINGS, Hepatotoxicity; WARNINGS, Immunosuppression Potential/Bone Marrow Suppression).
- Prasco Llc
Leflunomide | Prasco Llc
Loading DoseDue to the long half-life in patients with RA and recommended dosing interval (24 hours), a loading dose is needed to provide steady-state concentrations more rapidly. It is recommended that leflunomide therapy be initiated with a loading dose of one 100 mg (ARAVA®) tablet* per day for 3 days.
Elimination of the loading dose regimen may decrease the risk of adverse events. This could be especially important for patients at increased risk of hematologic or hepatic toxicity, such as those receiving concomitant treatment with methotrexate or other immunosuppressive agents or on such medications in the recent past. (See WARNINGS – Hepatotoxicity).
Maintenance TherapyDaily dosing of 20 mg is recommended for treatment of patients with RA. A small cohort of patients (n=104), treated with 25 mg/day, experienced a greater incidence of side effects; alopecia, weight loss, liver enzyme elevations. Doses higher than 20 mg/day are not recommended. If dosing at 20 mg/day is not well tolerated clinically, the dose may be decreased to 10 mg daily. Due to the prolonged half-life of the active metabolite of leflunomide, patients should be carefully observed after dose reduction, since it may take several weeks for metabolite levels to decline.
MonitoringHematology parameters and liver enzymes should be monitored (see PRECAUTIONS – Laboratory Tests; WARNINGS – Hepatotoxicity; WARNINGS – Immunosuppression Potential/Bone Marrow Suppression).
- Teva Pharmaceuticals Usa Inc
Leflunomide | Teva Pharmaceuticals Usa Inc
Loading DoseDue to the long half-life in patients with RA and recommended dosing interval (24 hours), a loading dose is needed to provide steady-state concentrations more rapidly. It is recommended that leflunomide tablet USP therapy be initiated with a loading dose of one 100 mg tablet per day for 3 days.
Elimination of the loading dose regimen may decrease the risk of adverse events. This could be especially important for patients at increased risk of hematologic or hepatic toxicity, such as those receiving concomitant treatment with methotrexate or other immunosuppressive agents or on such medications in the recent past (see WARNINGS, Hepatotoxicity).
Maintenance TherapyDaily dosing of 20 mg is recommended for treatment of patients with RA. A small cohort of patients (n = 104), treated with 25 mg/day, experienced a greater incidence of side effects; alopecia, weight loss, liver enzyme elevations. Doses higher than 20 mg/day are not recommended. If dosing at 20 mg/day is not well tolerated clinically, the dose may be decreased to 10 mg daily. Due to the prolonged half-life of the active metabolite of leflunomide, patients should be carefully observed after dose reduction, since it may take several weeks for metabolite levels to decline.
MonitoringHematology parameters and liver enzymes should be monitored (see PRECAUTIONS, Laboratory Tests; WARNINGS, Hepatotoxicity; WARNINGS, Immunosuppression Potential/Bone Marrow Suppression).
- Apotex Corp.
Leflunomide | Apotex Corp.
2.1 Recommended DosageThe recommended dosage of leflunomide is 20 mg once daily. Treatment may be initiated with or without a loading dose, depending upon the patient’s risk of leflunomide-associated hepatotoxicity and leflunomide-associated myelosuppression. The loading dosage provides steady-state concentrations more rapidly.
For patients who are at low risk for leflunomide-associated hepatotoxicity and leflunomide- associated myelosuppression the recommended leflunomide loading dosage is 100 mg once daily for 3 days. Subsequently administer 20 mg once daily. For patients at high risk for leflunomide-associated hepatotoxicity (e.g., those taking concomitant methotrexate) or leflunomide-associated myelosuppression (e.g., patients taking concomitant immunosuppressants), the recommended leflunomide dosage is 20 mg once daily without a loading dose [see Warnings and Precautions (5.2, 5.4)].The maximum recommended daily dosage is 20 mg once per day. Consider dosage reduction to 10 mg once daily for patients who are not able to tolerate 20 mg daily (i.e., for patients who experience any adverse events listed in Table 1).
Monitor patients carefully after dosage reduction and after stopping therapy with leflunomide, since the active metabolite of leflunomide, teriflunomide, is slowly eliminated from the plasma [see Clinical Pharmacology (12.3)]. After stopping leflunomide treatment, an accelerated drug elimination procedure is recommended to reduce the plasma concentrations of the active metabolite, teriflunomide [see Warnings and Precautions (5.3)]. Without use of an accelerated drug elimination procedure, it may take up to 2 years to reach undetectable plasma teriflunomide concentrations after stopping leflunomide [see Clinical Pharmacology (12.3)].
2.2 Evaluation and Testing Prior to Starting LeflunomidePrior to starting leflunomide treatment the following evaluations and tests are recommended:
Evaluate patients for active tuberculosis and screen patients for latent tuberculosis infection [see Warnings and Precautions (5.4)] Laboratory tests including serum alanine aminotransferase (ALT); and white blood cell, hemoglobin or hematocrit, and platelet counts [see Warnings and Precautions (5.2, 5.4)] For females of reproductive potential, pregnancy testing [see Warnings and Precautions (5.1)] Check blood pressure [see Warnings and Precautions (5.10)] - Dispensing Solutions, Inc.
Leflunomide | Dispensing Solutions, Inc.
Loading DoseDue to the long half-life in patients with RA and recommended dosing interval (24 hours), a loading dose is needed to provide steady-state concentrations more rapidly. It is recommended that leflunomide therapy be initiated with a loading dose of one 100 mg tablet per day for 3 days.
Elimination of the loading dose regimen may decrease the risk of adverse events. This could be especially important for patients at increased risk of hematologic or hepatic toxicity, such as those receiving concomitant treatment with methotrexate or other immunosuppressive agents or on such medications in the recent past. (See WARNINGS - Hepatotoxicity).
Maintenance TherapyDaily dosing of 20 mg is recommended for treatment of patients with RA. A small cohort of patients (n=104), treated with 25 mg/day, experienced a greater incidence of side effects; alopecia, weight loss, liver enzyme elevations. Doses higher than 20 mg/day are not recommended. If dosing at 20 mg/day is not well tolerated clinically, the dose may be decreased to 10 mg daily. Liver enzymes should be monitored and dose adjustments may be necessary (see WARNINGS – Hepatotoxicity). Due to the prolonged half-life of the active metabolite of leflunomide, patients should be carefully observed after dose reduction, since it may take several weeks for metabolite levels to decline.
MonitoringHematology parameters and liver enzymes should be monitored (see PRECAUTIONS – Laboratory Tests; WARNINGS – Hepatotoxicity; WARNINGS – Immunosuppression Potential/Bone Marrow Suppression).
- Heritage Pharmaceuticals Inc
Leflunomide | Heritage Pharmaceuticals Inc
Loading DoseDue to the long half-life in patients with RA and recommended dosing interval (24 hours), a loading dose is needed to provide steady-state concentrations more rapidly. It is recommended that leflunomide therapy be initiated with a loading dose of one 100 mg tablet per day for 3 days.
Elimination of the loading dose regimen may decrease the risk of adverse events. This could be especially important for patients at increased risk of hematologic or hepatic toxicity, such as those receiving concomitant treatment with methotrexate or other immunosuppressive agents or on such medications in the recent past. (See WARNINGS - Hepatotoxicity).
Maintenance TherapyDaily dosing of 20 mg is recommended for treatment of patients with RA. A small cohort of patients (n=104), treated with 25 mg/day, experienced a greater incidence of side effects; alopecia, weight loss, liver enzyme elevations. Doses higher than 20 mg/day are not recommended. If dosing at 20 mg/day is not well tolerated clinically, the dose may be decreased to 10 mg daily. Liver enzymes should be monitored and dose adjustments may be necessary (see WARNINGS – Hepatotoxicity). Due to the prolonged half-life of the active metabolite of leflunomide, patients should be carefully observed after dose reduction, since it may take several weeks for metabolite levels to decline.
MonitoringHematology parameters and liver enzymes should be monitored (see PRECAUTIONS – Laboratory Tests; WARNINGS – Hepatotoxicity; WARNINGS – Immunosuppression Potential/Bone Marrow Suppression).
- Trigen Laboratories, Llc
Leflunomide | Trigen Laboratories, Llc
2.1 Recommended DosageThe recommended dosage of leflunomide is 20 mg once daily. Treatment may be initiated with or without a loading dose, depending upon the patient’s risk of leflunomide-associated hepatotoxicity and leflunomide-associated myelosuppression. The loading dosage provides steady-state concentrations more rapidly.
· For patients who are at low risk for leflunomide-associated hepatotoxicity and leflunomide-associated myelosuppression the recommended leflunomide loading dosage is 100 mg once daily for 3 days. Subsequently administer 20 mg once daily.
· For patients at high risk for leflunomide-associated hepatotoxicity (e.g., those taking concomitant methotrexate) or leflunomide-associated myelosuppression (e.g., patients taking concomitant immunosuppressants), the recommended leflunomidedosage is 20 mg once daily without a loading dose [see Warnings and Precautions (5.2, 5.4)].
The maximum recommended daily dosage is 20 mg once per day. Consider dosage reduction to 10 mg once daily for patients who are not able to tolerate 20 mg daily (i.e., for patients who experience any adverse events listed in Table 1).
Monitor patients carefully after dosage reduction and after stopping therapy with leflunomide, since the active metabolite of leflunomide, teriflunomide, is slowly eliminated from the plasma [see Clinical Pharmacology (12.3)]. After stopping leflunomide treatment, an accelerated drug elimination procedure is recommended to reduce the plasma concentrations of the active metabolite, teriflunomide [see Warnings and Precautions (5.3)]. Without use of an accelerated drug elimination procedure, it may take up to 2 years to reach undetectable plasma teriflunomide concentrations after stopping leflunomide[see Clinical Pharmacology (12.3)].
2.2 Evaluation and Testing Prior to Starting LeflunomidePrior to starting leflunomide treatment the following evaluations and tests are recommended:
· Evaluate patients for active tuberculosis and screen patients for latent tuberculosis infection [see Warnings and Precautions (5.4)]
· Laboratory tests including serum alanine aminotransferase (ALT); and white blood cell, hemoglobin or hematocrit, and platelet counts [see Warnings and Precautions (5.2, 5.4)]
· For females of reproductive potential, pregnancy testing [see Warnings and Precautions (5.1)]
· Check blood pressure [see Warnings and Precautions (5.10)]
- Winthrop U.s.
Leflunomide | Remedyrepack Inc.
Indication
Dose
Frequency
Short-Term Treatment of Erosive Esophagitis Associated With GERD (2.1)
Adults 40 mg Once Daily for up to 8 wks
Children (5 years and older)
≥ 15 kg to < 40 kg 20 mg Once Daily for up to 8 wks
≥ 40 kg 40 mg
Maintenance of Healing of Erosive Esophagitis (2.1)
Adults 40 mg Once Daily
Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome (2.1)
Adults 40 mg Twice Daily
*Controlled studies did not extend beyond 12 months
See full prescribing information for administration instructionsPantoprazole Sodium is supplied as Delayed-Release Tablets. The recommended dosages are outlined in Table 1.
Table 1: Recommended Dosing Schedule for
Pantoprazole SodiumDelayed-Release Tablets
Indication Dose
Frequency
Short-Term Treatment of Erosive Esophagitis Associated With GERD
Adults 40 mg Once daily for up to 8 weeks*
Children (5 years and older)
≥ 15 kg to < 40 kg 20 mg Once daily for up to 8 weeks
≥ 40 kg 40 mg
Maintenanceof Healing of Erosive Esophagitis
Adults 40 mg Once daily
PathologicalHypersecretory Conditions Including Zollinger-Ellison Syndrome
Adults 40 mg Twice daily *** For adult patients who have not healed after 8 weeks of treatment, an additional 8-week course of pantoprazole sodium delayed-release tablets may be considered.
** Dosage regimens should be adjusted to individual patient needs and should continue for as long as clinically indicated. Doses up to 240 mg daily have been administered.
***Controlled studies did not extend beyond 12 monthsDirections for method of administration for each dosage form are presented in Table 2.
Table 2: Administration Instructions
Formulation
Route
Instructions*
Delayed-Release Tablets
Oral
Swallowed whole, with or without food* Patients should be cautioned that pantoprazole sodium delayed-release tablets should not be split, chewed, or crushed.
Pantoprazole Sodium Delayed-Release Tablets should be swallowed whole, with or without food in the stomach. If patients are unable to swallow a 40 mg tablet, two 20 mg tablets may be taken. Concomitant administration of antacids does not affect the absorption of Pantoprazole Sodium Delayed-Release Tablets.
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