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Generic Name: cefpodoxime proxetil
Dosage Form: granule, for suspension - tablet, film coated

Vantin®
Tablets and Oral Suspension
cefpodoxime proxetil tablets and cefpodoxime proxetil for oral suspension, USP

To reduce the development of drug-resistant bacteria and maintain the effectiveness of Vantin and other antibacterial drugs, Vantin should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.

For Oral Use Only

Vantin Description

Cefpodoxime proxetil is an orally administered, extended spectrum, semi-synthetic antibiotic of the cephalosporin class. The chemical name is (RS)-1(isopropoxycarbonyloxy) ethyl (+)-(6R,7R)-7-[2-(2-amino-4- thiazolyl)-2-{(Z)methoxyimino}acetamido]-3-methoxymethyl-8-oxo-5-thia-1-azabicyclo [4.2.0]oct-2-ene- 2-carboxylate.

Its empirical formula is C21H27N5O9S2 and its structural formula is represented below:

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The molecular weight of cefpodoxime proxetil is 557,6.

Cefpodoxime proxetil is a prodrug; its active metabolite is cefpodoxime. All doses of cefpodoxime proxetil in this insert are expressed in terms of the active cefpodoxime moiety. The drug is supplied both as film-coated tablets and as flavored granules for oral suspension.

Vantin Tablets contain cefpodoxime proxetil equivalent to 100 mg or 200 mg of cefpodoxime activity and the following inactive ingredients: carboxymethylcellulose calcium, carnauba wax, FD&C Yellow No. 6, hydroxypropylcellulose, hypromellose, lactose hydrous, magnesium stearate, propylene glycol, sodium lauryl sulfate and titanium dioxide. In addition, the 100 mg film-coated tablets contain D&C Yellow No. 10 and the 200 mg film-coated tablets contain FD&C Red No. 40.

Each 5 mL of Vantin Oral Suspension contains cefpodoxime proxetil equivalent to 50 mg or 100 mg of cefpodoxime activity after constitution and the following inactive ingredients: artificial flavorings, butylated hydroxy anisole (BHA), carboxymethylcellulose sodium, microcrystalline cellulose, carrageenan, citric acid, colloidal silicon dioxide, croscarmellose sodium, hydroxypropylcellulose, lactose, maltodextrin, natural flavorings, propylene glycol alginate, sodium citrate, sodium benzoate, starch, sucrose, and vegetable oil.

Vantin - Clinical Pharmacology

Absorption and Excretion

Cefpodoxime proxetil is a prodrug that is absorbed from the gastrointestinal tract and de-esterified to its active metabolite, cefpodoxime. Following oral administration of 100 mg of cefpodoxime proxetil to fasting subjects, approximately 50% of the administered cefpodoxime dose was absorbed systemically. Over the recommended dosing range (100 to 400 mg), approximately 29 to 33% of the administered cefpodoxime dose was excreted unchanged in the urine in 12 hours. There is minimal metabolism of cefpodoxime in vivo.

Effects of Food

The extent of absorption (mean AUC) and the mean peak plasma concentration increased when film-coated tablets were administered with food. Following a 200 mg tablet dose taken with food, the AUC was 21 to 33% higher than under fasting conditions, and the peak plasma concentration averaged 3.1 mcg/mL in fed subjects versus 2.6 mcg/mL in fasted subjects. Time to peak concentration was not significantly different between fed and fasted subjects.

When a 200 mg dose of the suspension was taken with food, the extent of absorption (mean AUC) and mean peak plasma concentration in fed subjects were not significantly different from fasted subjects, but the rate of absorption was slower with food (48% increase in Tmax).

Pharmacokinetics of Cefpodoxime Proxetil Film-coated Tablets

Over the recommended dosing range (100 to 400 mg), the rate and extent of cefpodoxime absorption exhibited dose-dependency; dose-normalized Cmax and AUC decreased by up to 32% with increasing dose. Over the recommended dosing range, the Tmax was approximately 2 to 3 hours and the T1/2 ranged from 2.09 to 2.84 hours. Mean Cmax was 1.4 mcg/mL for the 100 mg dose, 2.3 mcg/mL for the 200 mg dose, and 3.9 mcg/mL for the 400 mg dose. In patients with normal renal function, neither accumulation nor significant changes in other pharmacokinetic parameters were noted following multiple oral doses of up to 400 mg Q 12 hours.

CEFPODOXIME PLASMA LEVELS (mcg/mL) IN FASTED ADULTS AFTER FILM-COATED TABLET ADMINISTRATION (Single Dose)
Dose Time after oral ingestion
(cefpodoxime
equivalents)
1hr 2hr 3hr 4hr 6hr 8hr 12hr
100 mg 0.98 1.4 1.3 1.0 0.59 0.29 0.08
200 mg 1.5 2.2 2.2 1.8 1.2 0.62 0.18
400 mg 2.2 3.7 3.8 3.3 2.3 1.3 0.38

Pharmacokinetics of Cefpodoxime Proxetil Suspension

In adult subjects, a 100 mg dose of oral suspension produced an average peak cefpodoxime concentration of approximately 1.5 mcg/mL (range: 1.1 to 2.1 mcg/mL), which is equivalent to that reported following administration of the 100 mg tablet. Time to peak plasma concentration and area under the plasma concentration-time curve (AUC) for the oral suspension were also equivalent to those produced with film-coated tablets in adults following a 100 mg oral dose.

The pharmacokinetics of cefpodoxime were investigated in 29 patients aged 1 to 17 years. Each patient received a single, oral, 5 mg/kg dose of cefpodoxime oral suspension. Plasma and urine samples were collected for 12 hours after dosing. The plasma levels reported from this study are as follows:

CEFPODOXIME PLASMA LEVELS (mcg/mL) IN FASTED PATIENTS (1 to 17 YEARS OF AGE) AFTER SUSPENSION ADMINISTRATION
Dose Time after oral ingestion
(cefpodoxime
equivalents)
1hr 2hr 3hr 4hr 6hr 8hr 12hr
*
Dose did not exceed 200 mg.
5 mg/kg* 1.4 2.1 2.1 1.7 0.90 0.40 0.090

Distribution

Protein binding of cefpodoxime ranges from 22 to 33% in serum and from 21 to 29% in plasma.

Skin Blister

Following multiple-dose administration every 12 hours for 5 days of 200 mg or 400 mg cefpodoxime proxetil, the mean maximum cefpodoxime concentration in skin blister fluid averaged 1.6 and 2.8 mcg/mL, respectively. Skin blister fluid cefpodoxime levels at 12 hours after dosing averaged 0.2 and 0.4 mcg/mL for the 200 mg and 400 mg multiple-dose regimens, respectively.

Tonsil Tissue

Following a single, oral 100 mg cefpodoxime proxetil film-coated tablet, the mean maximum cefpodoxime concentration in tonsil tissue averaged 0.24 mcg/g at 4 hours post-dosing and 0.09 mcg/g at 7 hours post-dosing. Equilibrium was achieved between plasma and tonsil tissue within 4 hours of dosing. No detection of cefpodoxime in tonsillar tissue was reported 12 hours after dosing. These results demonstrated that concentrations of cefpodoxime exceeded the MIC90 of S. pyogenes for at least 7 hours after dosing of 100 mg of cefpodoxime proxetil.

Lung Tissue

Following a single, oral 200 mg cefpodoxime proxetil film-coated tablet, the mean maximum cefpodoxime concentration in lung tissue averaged 0.63 mcg/g at 3 hours post-dosing, 0.52 mcg/g at 6 hours post-dosing, and 0.19 mcg/g at 12 hours post-dosing. The results of this study indicated that cefpodoxime penetrated into lung tissue and produced sustained drug concentrations for at least 12 hours after dosing at levels that exceeded the MIC90 for S. pneumoniae and H. influenzae.

CSF

Adequate data on CSF levels of cefpodoxime are not available.

Effects of Decreased Renal Function

Elimination of cefpodoxime is reduced in patients with moderate to severe renal impairment (<50 mL/min creatinine clearance). (See PRECAUTIONS and DOSAGE AND ADMINISTRATION.) In subjects with mild impairment of renal function (50 to 80 mL/min creatinine clearance), the average plasma half-life of cefpodoxime was 3.5 hours. In subjects with moderate (30 to 49 mL/min creatinine clearance) or severe renal impairment (5 to 29 mL/min creatinine clearance), the half-life increased to 5.9 and 9.8 hours, respectively. Approximately 23% of the administered dose was cleared from the body during a standard 3-hour hemodialysis procedure.

Effect of Hepatic Impairment (cirrhosis)

Absorption was somewhat diminished and elimination unchanged in patients with cirrhosis. The mean cefpodoxime T1/2 and renal clearance in cirrhotic patients were similar to those derived in studies of healthy subjects. Ascites did not appear to affect values in cirrhotic subjects. No dosage adjustment is recommended in this patient population.

Pharmacokinetics in Elderly Subjects

Elderly subjects do not require dosage adjustments unless they have diminished renal function. (See PRECAUTIONS.) In healthy geriatric subjects, cefpodoxime half-life in plasma averaged 4.2 hours (vs 3.3 in younger subjects) and urinary recovery averaged 21% after a 400 mg dose was administered every 12 hours. Other pharmacokinetic parameters (Cmax, AUC, and Tmax) were unchanged relative to those observed in healthy young subjects.

Microbiology

Cefpodoxime is active against a wide spectrum of Gram-positive and Gram-negative bacteria. Cefpodoxime is stable in the presence of beta-lactamase enzymes. As a result, many organisms resistant to penicillins and cephalosporins, due to their production of beta-lactamase, may be susceptible to cefpodoxime. Cefpodoxime is inactivated by certain extended spectrum beta-lactamases.

The bactericidal activity of cefpodoxime results from its inhibition of cell wall synthesis.

Cefpodoxime has been shown to be active against most strains of the following microorganisms, both in vitro and in clinical infections, as described in the INDICATIONS AND USAGE section.

Aerobic Gram-positive microorganisms:
Staphylococcus aureus (including penicillinase-producing strains)
NOTE: Cefpodoxime is inactive against methicillin-resistant staphylococci.
Staphylococcus saprophyticus
Streptococcus pneumoniae (excluding penicillin-resistant strains)
Streptococcus pyogenes

Aerobic Gram-negative microorganisms:
Escherichia coli
Klebsiella pneumoniae
Proteus mirabilis
Haemophilus influenzae
(including beta-lactamase producing strains)
Moraxella (Branhamella) catarrhalis
Neisseria gonorrhoeae
(including penicillinase-producing strains)

The following in vitro data are available, but their clinical significance is unknown. Cefpodoxime exhibits in vitro minimum inhibitory concentrations (MICs) of ≤ 2.0 mcg/mL against most (≥90%) of isolates of the following microorganisms. However, the safety and efficacy of cefpodoxime in treating clinical infections due to these microorganisms have not been established in adequate and well-controlled clinical trials.

Aerobic Gram-positive microorganisms:
Streptococcus agalactiae
Streptococcus spp.
(Groups C, F, G)
NOTE: Cefpodoxime is inactive against enterococci.

Aerobic Gram-negative microorganisms:
Citrobacter diversus
Klebsiella oxytoca
Proteus vulgaris
Providencia rettgeri
Haemophilus parainfluenzae

NOTE: Cefpodoxime is inactive against most strains of Pseudomonas and Enterobacter.

Anaerobic Gram-positive microorganisms:
Peptostreptococcus magnus

SUSCEPTIBILITY TESTING

Dilution Techniques

Quantitative methods are used to determine antimicrobial inhibitory concentrations (MICs). These MICs provide estimates of the susceptibility of microorganisms to antimicrobial compounds. The MICs should be determined using a standardized procedure. Standardized procedures are based on dilution methods1,2 (broth or agar) or equivalent using standardized inoculum concentrations, and standardized concentrations of cefpodoxime from a powder of known potency. The MIC values should be interpreted according to the following criteria:

For Susceptibility Testing of Enterobacteriaceae and Staphylococcus spp.
MIC (mcg/mL) Interpretation
≤2.0 Susceptible (S)
4.0 Intermediate (I)
≥8.0 Resistant (R)
For Susceptibility Testing of Haemophilus spp.*
MIC (mcg/mL) Interpretation
*
The interpretive criteria for Haemophilus spp. is applicable only to broth microdilution susceptibility testing done with Haemophilus Test Medium (HTM) broth.2
"Intermediate" and "Resistant" categories have not been determined.
≤2.0 Susceptible (S)
For Susceptibility Testing of Neisseria gonorrhoeae.*
MIC (mcg/mL) Interpretation
*
The interpretive value for N. gonorroheae is applicable only to agar dilution susceptibility testing done with Neisseria gonorrhoeae susceptibility test medium.2
"Intermediate" and "Resistant" categories have not been determined.
≤0.5 Susceptible (S)
For Susceptibility Testing of Streptococcus pneumoniae.
MIC (mcg/mL) Interpretation*
*
The interpretive value for S. pneumoniae is applicable only to broth microdilution susceptibility testing done with cation-adjusted Mueller-Hinton broth with lysed horse blood (LHB) (2–5% v/v).2
≤0.5 Susceptible (S)
1.0 Intermediate (I)
≥2.0 Resistant (R)

For Susceptibility Testing of Streptococcus spp. other than Streptococcus pneumoniae.1

A streptococcal isolate that is susceptible to penicillin (MIC ≤0.12 mcg/mL) can be considered susceptible to cefpodoxime for approved indications, and need not be tested against cefpodoxime.

A report of "Susceptible" indicates that the pathogen is likely to be inhibited if the concentration of the antimicrobial compound in the blood reaches usually achievable levels. A report of "Intermediate" indicates that the results should be considered equivocal, and, if the microorganism is not fully susceptible to alternative, clinically feasible drugs, the test should be repeated. This category implies possible clinical applicability in body sites where the drug is physiologically concentrated or in situations where high dosage of drug can be used. This category also provides a buffer zone which prevents small technical factors from causing major discrepancies in interpretation. A report of "Resistant" indicates that the pathogen is not likely to be inhibited if the antimicrobial compound in the blood reaches the concentrations usually achievable; other therapy should be selected.

1
The interpretive value for Streptococcus spp. is applicable only to broth microdilution susceptibility testing done with cation-adjusted Mueller-Hinton broth with lysed horse blood (LHB) (2–5% v/v).2

Quality Control

A standardized susceptibility test procedure requires the use of laboratory control organisms to control the technical aspects of the laboratory procedures. Standard cefpodoxime powder should provide the following MIC values with the indicated quality control strains:

Microorganism (ATCC®#) MIC Range (mcg/mL)
j When susceptibility testing Streptococcus pneumoniae or Streptococcus spp. this quality control strain should be tested.
*
These quality control ranges are applicable to tests performed by a broth microdilution procedure using Haemophilus Test Medium (HTM).
These quality control ranges are applicable to tests performed by agar dilution only using GC agar base with 1% defined growth supplement.
These quality control ranges are applicable to tests performed by the broth microdilution method only using cation-adjusted Mueller-Hinton broth with 2 to 5% lysed horse blood.
Escherichia coli (25922) 0.25 – 1.0
Staphylococcus aureus (29213) 1.0 – 8.0
Haemophilus influenzae (49247) 0.25 – 1.0*
Neisseria gonorrhoeae (49226) 0.03 – 0.12
Streptococcus pneumoniae (49619) 0.03 – 0.12
Diffusion Techniques

Quantitative methods that require measurement of zone diameters also provide reproducible estimates of the susceptibility of bacteria to antimicrobial compounds. One such standardized procedure requires the use of standardized inoculum concentrations. This procedure uses paper disks impregnated with 10 mcg cefpodoxime to test the susceptibility of microorganisms to cefpodoxime. Reports from the laboratory providing results of the standard single-disk susceptibility test with a 10 mcg cefpodoxime disk should be interpreted according to the following criteria:

For Susceptibility Testing of Enterobacteriaceae and Staphylococcus spp.
Zone Diameter (mm) Interpretation
≥21 Susceptible (S)
18–20 Intermediate (I)
≤17 Resistant (R)
For Susceptibility Testing of Haemophilus spp.*
Zone Diameter (mm) Interpretation
*
The zone diameter for Haemophilus spp. is applicable only to tests performed on Haemophilus Test Medium (HTM) agar incubated under 5% CO2.2
"Intermediate" and "Resistant" criteria have not been determined.
≥21 Susceptible (S)
For Susceptibility Testing of Neisseria gonorrhoeae.*
Zone Diameter (mm) Interpretation
*
The zone diameter for N. gonorrhoeae is applicable only to tests performed on GC agar base and 1% defined growth supplement incubated under 5% CO2.2
"Intermediate" and "Resistant" categories have not been determined.
≥29 Susceptible (S)

For Susceptibility Testing of Streptococcus pneumoniae.2

Isolates of pneumococci with oxacillin zone sizes of ≥20 mm are susceptible (MIC ≤0.06 mcg/mL) to penicillin and can be considered susceptible to cefpodoxime for approved indications, and cefpodoxime need not be tested.

For Susceptibility Testing of Streptococcus spp. other than Streptococcus pneumoniae.3

A streptococcal isolate that is susceptible to penicillin (zone diameter ≥28 mm) can be considered susceptible to cefpodoxime for approved indications, and cefpodoxime need not be tested.

2
The zone diameter for S. pneumoniae is applicable only to tests performed on Mueller-Hinton agar with 5% sheep blood incubated in 5% CO2.2
3
The zone diameter for Streptococcus spp. is applicable only to tests performed on Mueller-Hinton agar with 5% sheep blood incubated in 5% CO2.2

Quality Control

As with standardized dilution techniques, diffusion methods require the use of laboratory control microorganisms that are used to control the technical aspects of the laboratory procedures. For the diffusion technique, the 10 mcg cefpodoxime disk should provide the following zone diameters with the quality control strains listed below:

Microorganism (ATCC®#) Zone Diameter Range (mm)
*
This zone diameter range is only applicable to tests performed on Haemophilus Test Medium (HTM) agar incubated in 5% CO2.
This zone diameter range is only applicable to tests performed on GC agar base and 1% defined growth supplement incubated in 5% CO2.
This organism is to be used for quality control testing for both S. pneumoniae and Streptococcus spp.
§
This zone diameter range is only applicable to tests performed on Mueller-Hinton agar supplemented with 5% defibrinated sheep blood, incubated in 5% CO2.
Escherichia coli (25922) 23–28
Staphylococcus aureus (25923) 19–25
Haemophilus influenzae (49247) 25–31*
Neisseria gonorrhoeae (49226) 35–43
Streptococcus pneumoniae (49619) 28–34§

ATCC® is a registered trademark of the American Type Culture Collection.

Indications and Usage for Vantin

Cefpodoxime proxetil is indicated for the treatment of patients with mild to moderate infections caused by susceptible strains of the designated microorganisms in the conditions listed below.

Recommended dosages, durations of therapy, and applicable patient populations vary among these infections. Please see DOSAGE AND ADMINISTRATION for specific recommendations. Acute otitis media caused by Streptococcus pneumoniae (excluding penicillin-resistant strains), Streptococcus pyogenes, Haemophilus influenzae (including beta-lactamase-producing strains), or Moraxella (Branhamella) catarrhalis (including beta-lactamase-producing strains).

Pharyngitis and/or tonsillitis caused by Streptococcus pyogenes.

NOTE: Only penicillin by the intramuscular route of administration has been shown to be effective in the prophylaxis of rheumatic fever. Cefpodoxime proxetil is generally effective in the eradication of streptococci from the oropharynx. However, data establishing the efficacy of cefpodoxime proxetil for the prophylaxis of subsequent rheumatic fever are not available.

Community-acquired pneumonia caused by S. pneumoniae or H. Influenzae (including beta-lactamase-producing strains).

Acute bacterial exacerbation of chronic bronchitis caused by S. pneumoniae, H. influenzae (non-beta-lactamase-producing strains only), or M. catarrhalis. Data are insufficient at this time to establish efficacy in patients with acute bacterial exacerbations of chronic bronchitis caused by beta-lactamase-producing strains of H. influenzae.

Acute, uncomplicated urethral and cervical gonorrhea caused by Neisseria gonorrhoeae (including penicillinase-producing strains).

Acute, uncomplicated ano-rectal infections in women due to Neisseria gonorrhoeae (including penicillinase-producing strains).

NOTE: The efficacy of cefpodoxime in treating male patients with rectal infections caused by N. gonorrhoeae has not been established. Data do not support the use of cefpodoxime proxetil in the treatment of pharyngeal infections due to N. gonorrhoeae in men or women.

Uncomplicated skin and skin structure infections caused by Staphylococcus aureus (including penicillinase-producing strains) or Streptococcus pyogenes. Abscesses should be surgically drained as clinically indicated.

NOTE: In clinical trials, successful treatment of uncomplicated skin and skin structure infections was dose-related. The effective therapeutic dose for skin infections was higher than those used in other recommended indications. (See DOSAGE AND ADMINISTRATION.)

Acute maxillary sinusitis caused by Haemophilus influenzae (including beta-lactamase-producing strains), Streptococcus pneumoniae, and Moraxella catarrhalis.

Uncomplicated urinary tract infections (cystitis) caused by Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, or Staphylococcus saprophyticus.

NOTE: In considering the use of cefpodoxime proxetil in the treatment of cystitis, cefpodoxime proxetil's lower bacterial eradication rates should be weighed against the increased eradication rates and different safety profiles of some other classes of approved agents. (See CLINICAL STUDIES section.)

Appropriate specimens for bacteriological examination should be obtained in order to isolate and identify causative organisms and to determine their susceptibility to cefpodoxime. Therapy may be instituted while awaiting the results of these studies. Once these results become available, antimicrobial therapy should be adjusted accordingly.

To reduce the development of drug-resistant bacteria and maintain the effectiveness of Vantin and other antibacterial drugs, Vantin 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.

Contraindications

Cefpodoxime proxetil is contraindicated in patients with a known allergy to cefpodoxime or to the cephalosporin group of antibiotics.

Warnings

BEFORE THERAPY WITH CEFPODOXIME PROXETIL IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO CEFPODOXIME, OTHER CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS. IF CEFPODOXIME IS TO BE ADMINISTERED TO PENICILLIN SENSITIVE PATIENTS, CAUTION SHOULD BE EXERCISED BECAUSE CROSS HYPERSENSITIVITY AMONG BETA-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 CEFPODOXIME PROXETIL OCCURS, DISCONTINUE THE DRUG. SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, INTRAVENOUS FLUIDS, INTRAVENOUS ANTIHISTAMINE, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED. PSEUDOMEMBRANOUS COLITIS HAS BEEN REPORTED WITH NEARLY ALL ANTIBACTERIAL AGENTS, INCLUDING CEFPODOXIME, AND MAY RANGE IN SEVERITY FROM MILD TO LIFE-THREATENING. THEREFORE, IT IS IMPORTANT TO CONSIDER THIS DIAGNOSIS IN PATIENTS WHO PRESENT WITH DIARRHEA SUBSEQUENT TO THE ADMINISTRATION OF ANTIBACTERIAL AGENTS.

Clostridium difficile associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including Vantin, 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.

A concerted effort to monitor for C. difficile in cefpodoxime-treated patients with diarrhea was undertaken because of an increased incidence of diarrhea associated with C. difficile in early trials in normal subjects. C. difficile organisms or toxin was reported in 10% of the cefpodoxime-treated adult patients with diarrhea; however, no specific diagnosis of pseudomembranous colitis was made in these patients.

In post-marketing experience outside the United States, reports of pseudomembranous colitis associated with the use of cefpodoxime proxetil have been received.

Precautions

General

In patients with transient or persistent reduction in urinary output due to renal insufficiency, the total daily dose of cefpodoxime proxetil should be reduced because high and prolonged serum antibiotic concentrations can occur in such individuals following usual doses. Cefpodoxime, like other cephalosporins, should be administered with caution to patients receiving concurrent treatment with potent diuretics. (See DOSAGE AND ADMINISTRATION.)

As with other antibiotics, prolonged use of cefpodoxime proxetil may result in overgrowth of non-susceptible organisms. Repeated evaluation of the patient's condition is essential. If superinfection occurs during therapy, appropriate measures should be taken.

Prescribing Vantin in the absence of a proven or strongly suspected bacterial infection or a prophylactic indication is unlikely to provide benefit to the patient and increases the risk of the development of drug-resistant bacteria.

Information for Patients

Patients should be counseled that antibacterial drugs including Vantin should only be used to treat bacterial infections. They do not treat viral infections (e.g., the common cold). When Vantin is prescribed to treat a bacterial infection, patients should be told that although it is common to feel better early in the course of therapy, the medication should be taken exactly as directed. Skipping doses or not completing the full course of therapy may (1) decrease the effectiveness of the immediate treatment and (2) increase the likelihood that bacteria will develop resistance and will not be treatable by Vantin or other antibacterial drugs in the future.

Diarrhea is a common problem caused by antibiotics which usually ends when the antibiotic is discontinued. Sometimes after starting treatment with antibiotics, patients can develop watery and bloody stools (with or without stomach cramps and fever) even as late as two or more months after having taken the last dose of the antibiotic. If this occurs, patients should contact their physician as soon as possible.

Drug Interactions

Antacids

Concomitant administration of high doses of antacids (sodium bicarbonate and aluminum hydroxide) or H2 blockers reduces peak plasma levels by 24% to 42% and the extent of absorption by 27% to 32%, respectively. The rate of absorption is not altered by these concomitant medications. Oral anti-cholinergics (e.g., propantheline) delay peak plasma levels (47% increase in Tmax), but do not affect the extent of absorption (AUC).

Probenecid

As with other beta-lactam antibiotics, renal excretion of cefpodoxime was inhibited by probenecid and resulted in an approximately 31% increase in AUC and 20% increase in peak cefpodoxime plasma levels.

Nephrotoxic drugs

Although nephrotoxicity has not been noted when cefpodoxime proxetil was given alone, close monitoring of renal function is advised when cefpodoxime proxetil is administered concomitantly with compounds of known nephrotoxic potential.

Drug/Laboratory Test Interactions

Cephalosporins, including cefpodoxime proxetil, are known to occasionally induce a positive direct Coombs' test.

Carcinogenesis, Mutagenesis, Impairment of Fertility

Long-term animal carcinogenesis studies of cefpodoxime proxetil have not been performed. Mutagenesis studies of cefpodoxime, including the Ames test both with and without metabolic activation, the chromosome aberration test, the unscheduled DNA synthesis assay, mitotic recombination and gene conversion, the forward gene mutation assay and the in vivo micronucleus test, were all negative. No untoward effects on fertility or reproduction were noted when 100 mg/kg/day or less (2 times the human dose based on mg/m2) was administered orally to rats.

Pregnancy

Teratogenic Effects

Pregnancy Category B

Cefpodoxime proxetil was neither teratogenic nor embryocidal when administered to rats during organogenesis at doses up to 100 mg/kg/day (2 times the human dose based on mg/m2) or to rabbits at doses up to 30 mg/kg/day (1–2 times the human dose based on mg/m2).

There are, however, no adequate and well-controlled studies of cefpodoxime proxetil use in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed.

Labor and Delivery

Cefpodoxime proxetil has not been studied for use during labor and delivery. Treatment should only be given if clearly needed.

Nursing Mothers

Cefpodoxime is excreted in human milk. In a study of 3 lactating women, levels of cefpodoxime in human milk were 0%, 2% and 6% of concomitant serum levels at 4 hours following a 200 mg oral dose of cefpodoxime proxetil. At 6 hours post-dosing, levels were 0%, 9% and 16% of concomitant serum levels. Because of the potential for serious reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

Pediatric Use

Safety and efficacy in infants less than 2 months of age have not been established.

Geriatric Use

Of the 3338 patients in multiple-dose clinical studies of cefpodoxime proxetil film-coated tablets, 521 (16%) were 65 and over, while 214 (6%) were 75 and over. No overall differences in effectiveness or safety were observed between the elderly and younger patients. In healthy geriatric subjects with normal renal function, cefpodoxime half-life in plasma averaged 4.2 hours and urinary recovery averaged 21% after a 400 mg dose was given every 12 hours for 15 days. Other pharmacokinetic parameters were unchanged relative to those observed in healthy younger subjects.

Dose adjustment in elderly patients with normal renal function is not necessary.

Adverse Reactions

Clinical Trials

Film-coated Tablets (Multiple dose)

In clinical trials using multiple doses of cefpodoxime proxetil film-coated tablets, 4696 patients were treated with the recommended dosages of cefpodoxime (100 to 400 mg Q 12 hours). There were no deaths or permanent disabilities thought related to drug toxicity. One-hundred twenty-nine (2.7%) patients discontinued medication due to adverse events thought possibly or probably related to drug toxicity. Ninety-three (52%) of the 178 patients who discontinued therapy (whether thought related to drug therapy or not) did so because of gastrointestinal disturbances, nausea, vomiting, or diarrhea. The percentage of cefpodoxime proxetil-treated patients who discontinued study drug because of adverse events was significantly greater at a dose of 800 mg daily than at a dose of 400 mg daily or at a dose of 200 mg daily. Adverse events thought possibly or probably related to cefpodoxime in multiple-dose clinical trials (N=4696 cefpodoxime-treated patients) were:

Incidence Greater Than 1%:

Diarrhea                                                                                7.0%
Diarrhea or loose stools were dose-related: decreasing from 10.4% of patients receiving 800 mg per day to 5.7% for those receiving 200 mg per day. Of patients with diarrhea, 10% had C. difficile organism or toxin in the stool. (See WARNINGS.)
Nausea                                                                                  3.3%
Vaginal Fungal Infections                                                        1.0%
Vulvovaginal Infections                                                           1.3%
Abdominal Pain                                                                      1.2%
Headache                                                                               1.0%

Incidence Less Than 1%: By body system in decreasing order:

Clinical Studies

Adverse events thought possibly or probably related to cefpodoxime proxetil that occurred in less than 1% of patients (N=4696)

Body - fungal infections, abdominal distention, malaise, fatigue, asthenia, fever, chest pain, back pain, chills, generalized pain, abnormal microbiological tests, moniliasis, abscess, allergic reaction, facial edema, bacterial infections, parasitic infections, localized edema, localized pain.

Cardiovascular - congestive heart failure, migraine, palpitations, vasodilation, hematoma, hypertension, hypotension.

Digestive - vomiting, dyspepsia, dry mouth, flatulence, decreased appetite, constipation, oral moniliasis, anorexia, eructation, gastritis, mouth ulcers, gastrointestinal disorders, rectal disorders, tongue disorders, tooth disorders, increased thirst, oral lesions, tenesmus, dry throat, toothache.

Hemic and Lymphatic - anemia.

Metabolic and Nutritional - dehydration, gout, peripheral edema, weight increase.

Musculo-skeletal - myalgia.

Nervous - dizziness, insomnia, somnolence, anxiety, shakiness, nervousness, cerebral infarction, change in dreams, impaired concentration, confusion, nightmares, paresthesia, vertigo.

Respiratory - asthma, cough, epistaxis, rhinitis, wheezing, bronchitis, dyspnea, pleural effusion, pneumonia, sinusitis.

Skin - urticaria, rash, pruritus non-application site, diaphoresis, maculopapular rash, fungal dermatitis, desquamation, dry skin non-application site, hair loss, vesiculobullous rash, sunburn.

Special Senses - taste alterations, eye irritation, taste loss, tinnitus.

Urogenital - hematuria, urinary tract infections, metrorrhagia, dysuria, urinary frequency, nocturia, penile infection, proteinuria, vaginal pain.

Granules for Oral Suspension (Multiple dose)

In clinical trials using multiple doses of cefpodoxime proxetil granules for oral suspension, 2128 pediatric patients (93% of whom were less than 12 years of age) were treated with the recommended dosages of cefpodoxime (10 mg/kg/day Q 24 hours or divided Q 12 hours to a maximum equivalent adult dose). There were no deaths or permanent disabilities in any of the patients in these studies. Twenty-four patients (1.1%) discontinued medication due to adverse events thought possibly or probably related to study drug. Primarily, these discontinuations were for gastrointestinal disturbances, usually diarrhea, vomiting, or rashes.

Adverse events thought possibly or probably related, or of unknown relationship to cefpodoxime proxetil for oral suspension in multiple-dose clinical trials (N=2128 patients treated with cefpodoxime) were:

Incidence Greater Than 1%:

Diarrhea                                                                             6.0%
The incidence of diarrhea in infants and toddlers (age 1 month to 2 years) was 12.8%.
Diaper rash/Fungal skin rash                                               2.0% (includes moniliasis)
The incidence of diaper rash in infants and toddlers was 8.5%.
Other skin rashes                                                                1.8%
Vomiting                                                                             2.3%

Incidence Less Than 1%:

Body: Localized abdominal pain, abdominal cramp, headache, monilia, generalized abdominal pain, asthenia, fever, fungal infection.

Digestive: Nausea, monilia, anorexia, dry mouth, stomatitis, pseudomembranous colitis.

Hemic & Lymphatic: Thrombocythemia, positive direct Coombs' test, eosinophilia, leukocytosis, leukopenia, prolonged partial thromboplastin time, thrombocytopenic purpura.

Metabolic & Nutritional: Increased SGPT.

Musculo-Skeletal: Myalgia.

Nervous: Hallucination, hyperkinesia, nervousness, somnolence.

Respiratory: Epistaxis, rhinitis.

Skin: Skin moniliasis, urticaria, fungal dermatitis, acne, exfoliative dermatitis, maculopapular rash.

Special Senses: Taste perversion.

Film-coated Tablets (Single dose)

In clinical trials using a single dose of cefpodoxime proxetil film-coated tablets, 509 patients were treated with the recommended dosage of cefpodoxime (200 mg). There were no deaths or permanent disabilities thought related to drug toxicity in these studies.

Adverse events thought possibly or probably related to cefpodoxime in single-dose clinical trials conducted in the United States were:

Incidence Greater Than 1%:
Nausea                                                                                1.4%
Diarrhea                                                                               1.2%

Incidence Less Than 1%:
Central Nervous System: Dizziness, headache, syncope.
Dermatologic: Rash.
Genital: Vaginitis.
Gastrointestinal: Abdominal pain.
Psychiatric: Anxiety.

Laboratory Changes

Significant laboratory changes that have been reported in adult and pediatric patients in clinical trials of cefpodoxime proxetil, without regard to drug relationship, were:

Hepatic: Transient increases in AST (SGOT), ALT (SGPT), GGT, alkaline phosphatase, bilirubin, and LDH.

Hematologic: Eosinophilia, leukocytosis, lymphocytosis, granulocytosis, basophilia, monocytosis, thrombocytosis, decreased hemoglobin, decreased hematocrit, leukopenia, neutropenia, lymphocytopenia, thrombocytopenia, thrombocythemia, positive Coombs' test, and prolonged PT, and PTT.

Serum Chemistry: Hyperglycemia, hypoglycemia, hypoalbuminemia, hypoproteinemia, hyperkalemia, and hyponatremia.

Renal: Increases in BUN and creatinine.

Most of these abnormalities were transient and not clinically significant.

Post-marketing Experience

The following serious adverse experiences have been reported: allergic reactions including Stevens-Johnson syndrome, toxic epidermal necrolysis, erythema multiforme and serum sickness-like reactions, pseudomembranous colitis, bloody diarrhea with abdominal pain, ulcerative colitis, rectorrhagia with hypotension, anaphylactic shock, acute liver injury, in utero exposure with miscarriage, purpuric nephritis, pulmonary infiltrate with eosinophilia, and eyelid dermatitis.

One death was attributed to pseudomembranous colitis and disseminated intravascular coagulation.

Cephalosporin Class Labeling

In addition to the adverse reactions listed above which have been observed in patients treated with cefpodoxime proxetil, the following adverse reactions and altered laboratory tests have been reported for cephalosporin class antibiotics:

Adverse Reactions and Abnormal Laboratory Tests: Renal dysfunction, toxic nephropathy, hepatic dysfunction including cholestasis, aplastic anemia, hemolytic anemia, serum sickness-like reaction, hemorrhage, agranulocytosis, and pancytopenia.

Several cephalosporins have been implicated in triggering seizures, particularly in patients with renal impairment when the dosage was not reduced. (See DOSAGE AND ADMINISTRATION and OVERDOSAGE.) If seizures associated with drug therapy occur, the drug should be discontinued. Anticonvulsant therapy can be given if clinically indicated.

Overdosage

In acute rodent toxicity studies, a single 5 g/kg oral dose produced no adverse effects.

In the event of serious toxic reaction from overdosage, hemodialysis or peritoneal dialysis may aid in the removal of cefpodoxime from the body, particularly if renal function is compromised.

The toxic symptoms following an overdose of beta-lactam antibiotics may include nausea, vomiting, epigastric distress, and diarrhea.

Vantin Dosage and Administration

(See INDICATIONS AND USAGE for indicated pathogens.)

FILM-COATED TABLETS

Vantin Tablets should be administered orally with food to enhance absorption. (See CLINICAL PHARMACOLOGY.)

The recommended dosages, durations of treatment, and applicable patient population are as described in the following chart:

Adults and Adolescents (age 12 years and older)
Type of Infection Total Daily
Dose
Dose Frequency Duration
Pharyngitis and/or tonsillitis 200 mg 100 mg Q 12 hours 5 to 10 days
Acute community-acquired
pneumonia
400 mg 200 mg Q 12 hours 14 days
Acute bacterial exacerbations
of chronic bronchitis
400 mg 200 mg Q 12 hours 10 days
Uncomplicated gonorrhea
(men and women) and rectal
gonococcal infections (women)
200 mg single dose
Skin and skin structure 800 mg 400 mg Q 12 hours 7 to 14 days
Acute maxillary sinusitis 400 mg 200 mg Q 12 hours 10 days
Uncomplicated urinary tract
infection
200 mg 100 mg Q 12 hours 7 days

GRANULES FOR ORAL SUSPENSION

Vantin Oral Suspension may be given without regard to food. The recommended dosages, durations of treatment, and applicable patient populations are as described in the following chart:

Adults and Adolescents (age 12 years and older)
Type of Infection Total Daily
Dose
Dose Frequency Duration
Pharyngitis and/or tonsillitis 200 mg 100 mg Q 12 hours 5 to 10 days
Acute community-acquired
pneumonia
400 mg 200 mg Q 12 hours 14 days
Uncomplicated gonorrhea
(men and women) and rectal
gonococcal infections
(women)
200 mg single dose
Skin and skin structure 800 mg 400 mg Q 12 hours 7 to 14 days
Acute maxillary sinusitis 400 mg 200 mg Q 12 hours 10 days
Uncomplicated urinary tract
infection
200 mg 100 mg Q 12 hours 7 days
Infants and Pediatric Patients (age 2 months through 12 years)
Type of Infection Total Daily
Dose
Dose Frequency Duration
Acute otitis media 10 mg/kg/day
(Max 400 mg/day)
5 mg/kg Q 12 h
(Max 200 mg/dose)
5 days
Pharyngitis and/or tonsillitis 10 mg/kg/day
(Max 200 mg/day)
5 mg/kg/dose Q 12 h
(Max 100 mg/dose)
5 to 10 days
Acute maxillary sinusitis 10 mg/kg/day
(Max 400 mg/day)
5 mg/kg Q 12 hours
(Max 200 mg/dose)
10 days
Patients with Renal Dysfunction

For patients with severe renal impairment (<30 mL/min creatinine clearance), the dosing intervals should be increased to Q 24 hours. In patients maintained on hemodialysis, the dose frequency should be 3 times/week after hemodialysis.

When only the serum creatinine level is available, the following formula (based on sex, weight, and age of the patient) may be used to estimate creatinine clearance (mL/min). For this estimate to be valid, the serum creatinine level should represent a steady state of renal function.

Males:
(mL/min)
Weight (kg) × (140 - age)
72 × serum creatinine (mg/100 mL)
   
Females:
(mL/min)
0.85 × above value
Patients with Cirrhosis

Cefpodoxime pharmacokinetics in cirrhotic patients (with or without ascites) are similar to those in healthy subjects. Dose adjustment is not necessary in this population.

Preparation of Suspension
Constitution Directions For Oral Suspension
Constituted
Volume
Final
Concentration
Directions
50 mL 50 mg per 5 mL Suspend in a total of 29 mL of distilled water. Method: First, shake the bottle to loosen granules. Then add the water in two approximately equal portions, shaking vigorously after each aliquot of water.
75 mL 50 mg per 5 mL Suspend in a total of 44 mL of distilled water. Method: First, shake the bottle to loosen granules. Then add the water in two approximately equal portions, shaking vigorously after each aliquot of water.
100 mL 50 mg per 5 mL Suspend in a total of 58 mL of distilled water. Method: First, shake the bottle to loosen granules. Then add the water in two approximately equal portions, shaking vigorously after each aliquot of water.
50 mL 100 mg per 5 mL Suspend in a total of 29 mL of distilled water. Method: First, shake the bottle to loosen granules. Then add the water in two approximately equal portions, shaking vigorously after each aliquot of water.
75 mL 100 mg per 5 mL Suspend in a total of 43 mL of distilled water. Method: First, shake the bottle to loosen granules. Then add the water in two approximately equal portions, shaking vigorously after each aliquot of water.
100 mL 100 mg per 5 mL Suspend in a total of 57 mL of distilled water. Method: First, shake the bottle to loosen granules. Then add the water in two approximately equal portions, shaking vigorously after each aliquot of water.

After mixing, the suspension should be stored in a refrigerator, 2° to 8°C (36° to 46°F). Shake well before using. Keep container tightly closed. The mixture may be used for 14 days. Discard unused portion after 14 days.

How is Vantin Supplied

Vantin Tablets are available in the following strengths (cefpodoxime equivalent), colors, and sizes:

100 mg (light orange, elliptical, debossed with U3617)
Bottles of 20                                              NDC 0009-3617-01
Bottles of 100                                            NDC 0009-3617-02
Unit dose packs of 100                              NDC 0009-3617-03

200 mg (coral red, elliptical, debossed with U3618)
Bottles of 20                                              NDC 0009-3618-01
Bottles of 100                                            NDC 0009-3618-02
Unit dose packs of 100                              NDC 0009-3618-03

Store tablets at controlled room temperature 20° to 25°C (68° to 77°F) [see USP].

Replace cap securely after each opening. Protect unit dose packs from excessive moisture.

Vantin Oral Suspension provides the equivalent of 50 mg or 100 mg cefpodoxime per 5 mL suspension (when constituted as directed) and is available in lemon creme flavor in the following sizes:

50 mg/5 mL
100-mL suspension                                    NDC 0009-3531-01
75-mL suspension                                      NDC 0009-3531-02
50-mL suspension                                      NDC 0009-3531-03

100 mg/5 mL
100-mL suspension                                    NDC 0009-3615-01
75-mL suspension                                      NDC 0009-3615-02
50-mL suspension                                      NDC 0009-3615-03

Store unsuspended granules at controlled room temperature 20° to 25°C (68° to 77°F) [see USP].

Directions for mixing are included on the label. After mixing, suspension should be stored in a refrigerator, 2° to 8°C (36° to 46°F). Shake well before using. Keep container tightly closed. The mixture may be used for 14 days. Discard unused portion after 14 days.

REFERENCES

  1. NCCLS. Methods for dilution antimicrobial susceptibility tests for bacteria that grow aerobically -fourth edition; Approved standard. NCCLS document M7-A4 (ISBN 1-56238-309-4). NCCLS, 940 West Valley Rd., Suite 1400, Wayne, PA 19087-1898, 1997.
  2. NCCLS. Performance standards for antimicrobial susceptibility testing; Eighth informational supplement. NCCLS document M100-S8 (ISBN 1-56238-337-x). NCCLS, 940 West Valley Rd., Suite 1400, Wayne, PA 19087-1898, 1998.
  3. NCCLS. Performance standards for antimicrobial disk susceptibility tests - sixth edition; Approved standard. NCCLS document M2-A6 (ISBN 1-56238-306-6). NCCLS, 940 West Valley Rd., Suite 1400, Wayne, PA 19087-1898, 1997.

Clinical Trials

Cystitis

In two double-blind, 2:1 randomized, comparative trials performed in adults in the United States, cefpodoxime proxetil was compared to other beta-lactam antibiotics. In these studies, the following bacterial eradication rates were obtained at 5 to 9 days after therapy:

Pathogen Cefpodoxime Comparator
E. coli 200/243 (82%) 99/123 (80%)
Other pathogens 34/42 (81%) 23/28 (82%)
K. pneumoniae
P. mirabilis
S. saprophyticus                                                              
TOTAL 234/285 (82%) 122/151 (81%)

In these studies, clinical cure rates and bacterial eradication rates for cefpodoxime proxetil were comparable to the comparator agents; however, the clinical cure rates and bacteriologic eradication rates were lower than those observed with some other classes of approved agents for cystitis.

Acute Otitis Media Studies

In controlled studies of acute otitis media performed in the United States, where significant rates of beta-lactamase-producing organisms were found, cefpodoxime proxetil was compared to cefixime. In these studies, using very strict evaluability criteria and microbiologic and clinical response criteria at the 4 to 21 day post-therapy follow-up, the following presumptive bacterial eradication/clinical success outcomes (cured and improved) were obtained.

Cefpodoxime Proxetil Cefixime
Pathogen 5 mg/kg Q 12 h × 5 d
S. pneumoniae 88/122 (72%) 72/124 (58%)
H. influenzae 50/76 (66%) 61/81 (75%)
M. catarrhalis 22/39 (56%) 23/41 (56%)
S. pyogenes 20/25 (80%) 13/23 (57%)
Clinical succes
rate
171/254 (67%) 165/258 (64%)

Rx only

Licensed from Sankyo Company, Ltd., Japan

LAB-0035-5.0

April 2007

PRINCIPAL DISPLAY PANEL - 50 mg per 5 mL Bottle Label

NDC 0009-3531-01

Vantin®
For Oral
Suspension

cefpodoxime proxetil
for oral suspension, USP

50 mg per 5 mL

Equivalent to 50 mg per 5 mL
cefpodoxime when constituted

100 mL (when mixed)

PHARMACIA

PRINCIPAL DISPLAY PANEL - 100 mg per 5 mL Bottle Label

NDC 0009-3615-01

Vantin®
For Oral
Suspension

cefpodoxime proxetil
for oral suspension, USP

100 mg per 5 mL

Equivalent to 100 mg per 5 mL
cefpodoxime when constituted

100 mL (when mixed)

PHARMACIA

PRINCIPAL DISPLAY PANEL - 100 mg Tablet Bottle Label

NDC 0009-3617-02
6505-01-368-2867

Vantin®
cefpodoxime proxetil
tablets, USP

100 mg

100 Tablets

PRINCIPAL DISPLAY PANEL - 200 mg Tablet Bottle Label

NDC 0009-3618-02
6505-01-368-2870

Vantin®
cefpodoxime proxetil
tablets, USP

200 mg

100 Tablets

Vantin 
cefpodoxime proxetil granule, for suspension
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0009-3531
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
cefpodoxime proxetil (Cefpodoxime) cefpodoxime proxetil 50 mg  in 5 mL
Inactive Ingredients
Ingredient Name Strength
butylated hydroxyanisole  
carboxymethylcellulose sodium  
cellulose, microcrystalline  
carrageenan  
citric acid monohydrate  
silicon dioxide  
croscarmellose sodium  
hydroxypropyl cellulose  
lactose  
maltodextrin  
propylene glycol alginate  
sodium citrate  
sodium benzoate  
sucrose  
Packaging
# Item Code Package Description
1 NDC:0009-3531-03 50 mL in 1 BOTTLE
2 NDC:0009-3531-02 75 mL in 1 BOTTLE
3 NDC:0009-3531-01 100 mL in 1 BOTTLE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050675 08/29/1991
Vantin 
cefpodoxime proxetil granule, for suspension
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0009-3615
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
cefpodoxime proxetil (Cefpodoxime) cefpodoxime proxetil 100 mg  in 5 mL
Inactive Ingredients
Ingredient Name Strength
butylated hydroxyanisole  
carboxymethylcellulose sodium  
cellulose, microcrystalline  
carrageenan  
citric acid monohydrate  
silicon dioxide  
croscarmellose sodium  
hydroxypropyl cellulose  
lactose  
maltodextrin  
propylene glycol alginate  
sodium citrate  
sodium benzoate  
sucrose  
Packaging
# Item Code Package Description
1 NDC:0009-3615-03 50 mL in 1 BOTTLE
2 NDC:0009-3615-02 75 mL in 1 BOTTLE
3 NDC:0009-3615-01 100 mL in 1 BOTTLE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050675 08/29/1991
Vantin 
cefpodoxime proxetil tablet, film coated
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0009-3617
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
cefpodoxime proxetil (Cefpodoxime) cefpodoxime proxetil 100 mg
Inactive Ingredients
Ingredient Name Strength
carboxymethylcellulose calcium  
FD&C YELLOW NO. 6  
hydroxypropyl cellulose  
hypromellose  
lactose monohydrate  
magnesium stearate  
propylene glycol  
sodium lauryl sulfate  
titanium dioxide  
D&C YELLOW NO. 10  
carnauba wax  
Product Characteristics
Color ORANGE (light orange) Score no score
Shape ROUND (elliptical) Size 11mm
Flavor Imprint Code U;3617
Contains         
Packaging
# Item Code Package Description
1 NDC:0009-3617-01 20 TABLET, FILM COATED (TABLET) in 1 BOTTLE
2 NDC:0009-3617-02 100 TABLET, FILM COATED (TABLET) in 1 BOTTLE
3 NDC:0009-3617-03 100 TABLET, FILM COATED (TABLET) in 1 BOX, UNIT-DOSE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050674 08/29/1991
Vantin 
cefpodoxime proxetil tablet, film coated
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0009-3618
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
cefpodoxime proxetil (Cefpodoxime) cefpodoxime proxetil 200 mg
Inactive Ingredients
Ingredient Name Strength
carboxymethylcellulose calcium  
FD&C YELLOW NO. 6  
hydroxypropyl cellulose  
hypromellose  
lactose monohydrate  
magnesium stearate  
propylene glycol  
sodium lauryl sulfate  
titanium dioxide  
FD&C RED NO. 40  
carnauba wax  
Product Characteristics
Color RED (coral red) Score no score
Shape ROUND (elliptical) Size 14mm
Flavor Imprint Code U;3618
Contains         
Packaging
# Item Code Package Description
1 NDC:0009-3618-01 20 TABLET, FILM COATED (TABLET) in 1 BOTTLE
2 NDC:0009-3618-02 100 TABLET, FILM COATED (TABLET) in 1 BOTTLE
3 NDC:0009-3618-03 100 TABLET, FILM COATED (TABLET) in 1 BOX, UNIT-DOSE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050674 08/29/1991
Labeler - Pharmacia and Upjohn Company (829076566)
Establishment
Name Address ID/FEI Operations
Pfizer Manufacturing Belgium 370156507 API MANUFACTURE, MANUFACTURE
Revised: 02/2010
 
Pharmacia and Upjohn Company
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