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Vantin (Cefpodoxime)
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Vantin

Generic Vantin is a high-class medication which is taken in treatment and termination of serious infections such as pneumonia, gonorrhea, bronchitis, infection of skin, bladder, urinary tract, nose, throat and ear, sinus infections, tonsillitis. Generic Vantin acts as an anti-infection remedy. Generic Vantin operates by killing bacteria which spreads by infection.

Other names for this medication:

Similar Products:
Duricef, Ancef, Kefazol, Keflex, Keftabs, Velocef, Intracef, Ceporin

 

Also known as:  Cefpodoxime.

Description

Generic Vantin is created by pharmacy specialists to struggle with dangerous infections (infection of skin, bladder, urinary tract, nose, throat and ear, pneumonia, gonorrhea, bronchitis, sinus infections, tonsillitis). Target of Generic Vantin is to control, ward off and terminate bacteria.

Generic Vantin acts as an anti-infection remedy. Generic Vantin operates by killing bacteria which spreads by infection.

Vantin is also known as Cefpodoxime proxetil, Cefocep.

Generic Vantin and other antibiotics don't treat viral infections (flu, cold and other).

Generic Vantin is cephalosporins.

Generic name of Generic Vantin is Cefpodoxime.

Brand name of Generic Vantin is Vantin.

Dosage

Generic Vantin can be taken in tablets (200 mg), liquid forms. You should take it with water by mouth.

Generic Vantin treats different types of bacterial infections. Thus, for each treatment it has different dosage instructions.

It is better to take Generic Vantin 2 times a day for 7-14 days.

It is better to take Generic Vantin tablets every day at the same time with meals. Its liquid forms are taken with meals or without it.

Do not stop taking Generic Vantin suddenly.

Overdose

If you overdose Generic Vantin and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of Generic Vantin overdosage: abdominal cramps, diarrhoea, nausea, retching.

Storage

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture and heat. After mixing the suspension store in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze. Throw away unused portion after fourteen days. Keep out of the reach of children in a container that small children cannot open.

Side effects

The most common side effects associated with Vantin are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.

Contraindications

Do not use Generic Vantin if you are allergic to Generic Vantin components.

Be careful with Generic Vantin if you're pregnant or you plan to have a baby. Avoid breast-feeding.

Do not use Generic Vantin in case of taking antacids as Tums, Maalox, Rolaids or other stomach acid reducers as Axid, Protonix, Zantac, Aciphex, Tagamet, Prilosec, Nexium, Pepcid, Prevacid.

Be careful with Generic Vantin in case of having allergy to cephalosporins (Ceftin, Duricef, Ceclor, Keflex).

Be careful with Generic Vantin usage in case of having kidney or liver disease, colitis, stomach problems.

Try to be careful with Generic Vantin usage in case of taking antibiotics, loop diuretic (furosemide, bumetanide as Bumex, torsemide as Demadex); probenecid as Benemid; warfarin as Coumadin; ethacrynic acid as Edecrin.

Use Generic Vantin with great care in case you want to undergo an operation (dental or any other).

Try to avoid machine driving.

Avoid alcohol.

It can be dangerous to stop Generic Vantin taking suddenly.

vantin generic

The antibacterial activities of 3 agents against 238 clinical isolates were determined by standard agar dilution test and the pharmacokinetics of these antibiotics in male healthy volunteers were conducted in Latin-square manner. The time over MIC (T > MIC) of serum antibiotic concentrations were calculated with pharmacokinetic equation and MIC.

vantin antibiotic dosage

Acute bacterial rhinosinusitis (ABRS) is a common reason for healthcare visits, and one of the more common reasons for the use of antibiotics. In an effort to improve the diagnosis and appropriate therapy of ABRS, several guidelines have been developed. Current guidelines recommend extended-spectrum cephalosporins as one of the first-line options for the treatment of this condition. In addition, most cephalosporins recommended by recent guidelines (e.g. cefuroxime axetil, cefpodoxime proxetil and cefdinir) are unlikely to be associated with cross-reactivity with penicillins, and may be considered effective alternatives to amoxicillin in adults who are allergic to penicillin.

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Concurrently with administering a newly developed cephem derivative antibiotic (CEP), cefpodoxime proxetil (CPDX-PR, CS-807) dry syrup, to children with skin and soft tissue infections, activities of 7 drugs against a group of microorganisms were tested. The drugs tested included 4 drugs of the cephem group, R-3746, a Na-salt form of CPDX, cefaclor (CCL), cephalexin (CEX) and cefadroxil (CDX), and 3 drugs of the penicillin group, ampicillin (ABPC), methicillin (DMPPC) and cloxacillin (MCIPC). The bacterial strains tested were 71 strains of Staphylococcus aureus and 1 strain of Streptococcus pyogenes, all isolated from the above cases of pediatric infections. Inoculum sizes used in these tests were 10(6) and 10(8) cfu/ml. Ages of children in those cases to which the drug was administered ranged from 2 months to 15 years. A total of 66 cases were treated, including 60 cases of impetigo, 5 cases of subcutaneous abscess and 1 case of phlegmon. The drug was administered for an average of 6 days with a daily average dose level of 9.4 mg/kg divided into 3 doses except 1 case where a twice daily dose regimen was used. Clinical and bacteriological effects were examined, and the occurrence of adverse reactions and abnormal laboratory test results were recorded. The results of these tests are summarized below. 1. The activity test for R-3746 (Na-salt of CPDX) against 71 strains of S. aureus performed at an inoculum level of 10(8) cfu/ml showed 2 peaks of MIC values, one in a range of 1.56 to 6.25 micrograms/ml and the other higher than 100 micrograms/ml. The most prevalent MIC value was 3.13 micrograms/ml with MIC against 51 strains or 71.8% of the strains tested showing this value, and MIC values of 25 micrograms/ml or higher were obtained for 13 strains or 18.3% of the strains tested. The MIC80 was 6.25 micrograms/ml. Thus, R-3746 showed an antibacterial activity slightly weaker than MCIPC and DMPPC but similar to CCL, CEX and CDX. MIC values obtained at an inoculum level of 10(6) cfu/ml also had 2 peaks, one in a range of 1.56 to 3.13 micrograms/ml and the other higher than 25 micrograms/ml. Strains against which R-3746 had the MIC value of 3.13 micrograms/ml were the most numerous with 47 strains or 66.2%, and strains against which the MIC value of higher than 25 micrograms/ml was obtained were next with 13 strains or 18.3%.(ABSTRACT TRUNCATED AT 400 WORDS)

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Cefpodoxime (CPDX-PR) was evaluated clinically in respiratory tract infections. The results obtained are summarized as follows; 1. The total number of the patients who were treated with CPDX-PR was 61, out of whom 53 cases were evaluated for clinical efficacy and 55 cases were investigated for the safety of the drug. CPDX-PR was given orally twice a day at 100-200 mg for 5-21 days. 2. Clinical efficacies were excellent in 9 patients, good in 36, fair in 4 and poor in 4. The overall clinical efficacy was 84.9%. In particular, CPDX-PR showed satisfactory efficacy for acute respiratory infections and mild chronic respiratory infections, with efficacy rates of 88.6% (31/35) and 100% (8/8), respectively. 3. No adverse reactions was observed, but slight and transient elevation of BUN was noted. In conclusion, it has been confirmed that CPDX-PR is an excellent and safe drug for the treatment of the respiratory tract infections.

vantin 100mg tablets

Cefpodoxime, the deesterified part of the orally available cefpodoxime proxetil, is active against most Enterobacteriaceae with MIC50 of 0.06 to 2 mg/l. Only Enterobacter cloacae and Citrobacter freundii strains show MIC50 of 4 mg/l. Coagulase negative staphylococci have a MIC50 of 2, while Staphylococcus aureus strains have a MIC of 4 mg/l. In comparison to other orally available cephalosporins cefpodoxime is slightly less active than cefixime and cefotiam against gram-negative bacteria but more active than cefuroxime, cefaclor, and cephalexin. Against staphylococci the activity of cefpodoxime is comparable to that of cefotiam and cefuroxime and superior to cefaclor and cephalexin, while cefixime does not have sufficient activity against these species. Like all cephalosporins cefpodoxime has no activity against enterococci.

vantin 500 mg

Although postoperative infections continue to be a major problem in gynecologic surgery, there is still no consensus on the efficacy of antibiotic prophylaxis.

vantin dosing

Open-label, unblind, nonrandomized clinical trial.

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Acute otitis media (AOM) is not only the most common bacterial infection in children in the United States, it is also the most common indication for the prescription of antibiotics. Unfortunately, antibiotic resistance to pathogens (Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis) typically causative of AOM, continues to increase. More than 30% of the beta-lactamase producing H. influenzae are resistant to amoxicillin and virtually all strains of M. catarrhalis are beta-lactamase-positive. The emergence of multidrug-resistant strains, particularly S. pneumoniae, complicates the management of AOM and increases the risk for treatment failure. Because of growing resistance, the Centers for Disease Control and the American Academy of Pediatrics promote the judicious use of antibiotics in the treatment of AOM. Their recommendations emphasize the importance of distinguishing AOM from otitis media with effusion, minimizing the use of antibiotics, and discerning between first- and second-line antibiotics in the treatment of simple uncomplicated AOM versus non-responsive/recurrent AOM. Because spontaneous cure rates are lower in complicated AOM and AOM secondary to S. pneumoniae infection, antibiotic therapy remains an appropriate treatment option for most children with AOM. When amoxicillin, the treatment of choice in AOM, is not effective or not tolerated in children, the prescriber should consider an alternative that displays not only excellent antimicrobial activity against the suspected pathogens, but also characteristics, such as convenient dosing, tolerability, and palatability, that promote compliance and adherence in children. The cephalosporins offer an alternative to penicillins. Cephalosporins such as cefuroxime axetil (second-generation) and cefdinir and cefpodoxime proxetil (third-generation), offer a broad spectrum of activity and are approved for use in a convenient once- or twice-daily dosing schedule, thus increasing the likelihood of compliance with the full course of therapy. Cefdinir is a possible second-line alternative to amoxicillin for children with AOM, particularly among children who are likely to be noncompliant with a two- to three-times-daily dosing schedule, and those instances where there is a high likelihood for, or a known infection with an amoxicillin-resistant pathogen.

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A sensitive and selective electrochemical method for Cefpodoxime Proxetil (CP) determination has been developed by incorporating gold nanoparticles (AuNPs) onto the poly-1,5-diaminonapthalene layer (p-DAN) coated pyrolytic graphite. The modified sensor was characterized by X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). The sensor exhibited an effective catalytic response towards oxidation of CP with excellent reproducibility and stability. The peak current of CP was found to be linear in the range of 0.1-12 μM and detection limit and sensitivity of 39 nM (S/N=3) and 4.621 μA μM(-1), respectively, were observed. The method was successfully applied for the determination of CP in pharmaceutical formulations and human urine samples. The common metabolites present in human urine such as uric acid, ascorbic acid, xanthine and hypoxanthine did not interfere in the determination. A comparison of the results obtained by using developed method with high performance liquid chromatography (HPLC) indicated a good agreement. The method is simple, sensitive, rapid and precise and is useful for the routine determination of CP in pharmaceutical dosages and biological samples.

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Cefpodoxime proxetil is a new third generation oral cephalosporin, which shows potent antibacterial activity against both Gram-positive and Gram-negative bacteria, and high stability in the presence of beta-lactamases. Low concentrations of cefpodoxime inhibit most respiratory pathogens, including Haemophilus influenzae, Streptococcus pneumoniae, and Moraxella (Branhamella) catarrhalis. Cefpodoxime reaches concentrations of 0.24 +/- 0.06 mg/kg in tonsils, 0.89 +/- 0.80 mg/kg in lung parenchyma, and 0.91 +/- 0.01 mg/kg in bronchial mucosa; these values exceed by far the minimum inhibitory concentrations (MICs) of cefpodoxime for respiratory pathogens. Preliminary clinical studies were carried out in 181 patients with upper respiratory tract infections: the results indicated an overall clinical response in 88.4% of patients; in 30% the clinical efficacy was excellent and in 58.5% it was good. Further studies showed clinical cure in 90.3% of patients with pharyngotonsillitis, and clinical efficacy (cure plus improvement) in 95% of those with acute sinusitis. Moreover, bacterial eradication was obtained in 78 to 96.7% of cases, most of which involved H. influenzae, streptococci, or M. catarrhalis. Cefpodoxime appears to be an effective new antibacterial that can be recommended as a drug of first choice in the treatment of most upper respiratory tract infections.

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A multicenter study was conducted in which the in vitro activity of cefpodoxime (the active metabolite of the prodrug ester cefpodoxime proxetil) was compared with those of cefixime, cefuroxime, cefaclor, cefadroxil, and clarithromycin against 5556 recent clinical isolates. Cefpodoxime demonstrated potent activity against members of the Enterobacteriaceae, in particular against species generally resistant to the established oral cephalosporins such as Proteus vulgaris [minimum inhibitory concentration (MIC)50, 0.12 microgram/ml], Providencia rettgeri (MIC50, 0.015 microgram/ml), and Serratia marcescens (MIC50, 2 micrograms/ml). Cefpodoxime was very effective against the fastidious organisms most frequently associated with respiratory infections, such as Streptococcus pneumoniae (MIC90, 0.12 microgram/ml), Haemophilus influenzae (MIC90, 0.12 microgram/ml), and Moraxella catarrhalis (MIC90, 1 microgram/ml). In contrast to other orally administrated third-generation cephalosporins (cefixime or ceftibuten), cefpodoxime demonstrated reasonable activity against oxacillin-susceptible staphylococci, with MIC50 ranging from 1 to 2 micrograms/ml. All cephalosporins tested demonstrated poor activity against Pseudomonas spp., Xanthomonas spp., Enterococcus spp., and oxacillin-resistant staphylococci. Cefpodoxime had the widest spectrum of activity of all tested oral cephalosporins.

vantin dose information

Cross-contamination is a critical issue for pharmaceutical manufacturing, especially for beta-lactam antibiotics. Thus, an analytical method for the simultaneous determination of beta-lactam antibiotics cefmetazole (CMZ) and cefpodoxime proxetil (CPDXPR) contaminants in non-beta-lactam pharmaceuticals was developed using high-performance liquid chromatography-tandem mass spectrometry. The developed method was found to be sensitive at the detection limit of 0.002 ppm for both compounds. Mean recoveries of CMZ and CPDXPR from olmesartan medoxomil (OLM) tablets were 96.7 to 102.2% and 88.9 to 94.2%, respectively. The developed method was successfully applied for the verification of CMZ and CPDXPR contamination to actually manufactured OLM tablets.

vantin renal dosing

Five days of treatment with cefpodoxime is as efficacious in bacteriologic eradication and clinical response (cure plus improvement) as 10 days of cefpodoxime therapy, and both cefpodoxime regimens produced superior bacteriologic efficacy compared with a 10-day regimen of penicillin V in the treatment of group A beta-hemolytic streptococcal tonsillopharyngitis in children.

vantin 100 mg

One hundred and fifty female patients with acute uncomplicated cystitis were given 200 mg of CPDX-PR twice daily for 3-7 days to evaluate both its overall clinical efficacy and its adverse effects. In 82 cases (Group I) in which it was administered for 3 days, the overall clinical efficacy, evaluated by the criteria proposed by the Japanese UTI committee, was excellent in 64 cases, moderate in 17 and poor in one, with the effective rate being 98.8%. In 35 cases (Group II) in which it was administered for 4-7 days, the overall clinical efficacy was excellent in 18 cases, moderate in 15 and poor in 2, with the effective rate being 94.3%. The overall clinical evaluation was not performed in another 33 cases because they were given CPDX-PR for more than 8 days or 300 mg/day. Subjective adverse effects such as hoarseness and lingual inflammation were observed in only one of the 150 cases, but they disappeared spontaneously after the cessation of administration of CPDX-PR. These findings suggest that CPDX-PR is one of the most effective and safe antibiotic in the treatment of acute uncomplicated cystitis.

vantin 200mg generic

Cefpodoxime proxetil (CP) is a prodrug with poor oral bioavailability because of its metabolism to Cefpodoxime acid (CA) in luminal contents and intestinal epithelial cells. In the present investigation, regional variability in different segments of the gastrointestinal tract vis-à-vis solubility and metabolism were investigated, and the results indicated potential for a gastro retentive (GR) dosage form. Suitability of a GR dosage from for CP and finally in vivo efficacy were investigated. Thereafter, an effervescent floating GR dosage form was developed for CP and evaluated in rats. The GR dosage form improved the oral bioavailability of CP significantly by about 75%, hence providing a proof-of-concept. The Tmax value increased to 1.43+/-0.24 h from 0.91+/-0.23 h of pure drug, while Cmax values of 4735+/-802 ng/ml and 3094+/-567 ng/ml were obtained for the GR dosage form and pure drug respectively.

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It was found that 62.68% were males, 26% patients were in the age group 26-35 years, followed by 22.8% belonging to the age group 26-35 years. Maximum number of patients were diagnosed with ear (37.3%) and throat (36.2%) infections. The most frequently prescribed antibacterials were β-lactams (45.52%) followed by quinolones (26.31%). The most commonly used agent in penicillins was amoxicillin and clavulanic acid (21.74%), in cepahalosporins was cefpodoxime proxetil (5.49%) and in quinolones was gemifloxacin (14.41%). Further, 66.67% of the patients received single antibacterial drug and the average number of antibacterial agents prescribed per patient per course was found to be 1.58. It was also observed that 70.71% of the antibacterials were prescribed by oral route. The most concomitant conditions were found to be diabetes (10.5%), hypertension (6.16%) and coronary heart disease (5.07%). All the drugs were prescribed by their brand names and 48.91% patients showed good adherence with the prescribed therapy.

vantin dosing uti

The method employed HPTLC aluminum plates precoated with silica gel 60 RP-18 F(254) as the stationary phase. The solvent system consisted of toluene:methanol:chloroform (4:2:4 v/v). The system was found to give compact spot for cefpodoxime proxetil (R(f) value of 0.55 ± 0.02). Densitometric analysis of cefpodoxime proxetil was carried out in the absorbance mode at 289 nm.

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A simple, accurate, rapid and precise reversed-phase high-performance liquid chromatographic method has been developed and validated for simultaneous determination of cefpodoxime proxetil and dicloxacillin sodium in tablet. The chromatographic separation was carried out on kromasil C18 analytical column (250×4.6 mm; 5 μm) with a mixture of acetonitrile:methanol:trifloroacetic acid (0.001%) with pH 6.5 (30:50:20, v/v/v) as mobile phase; at a flow rate of 1.0 ml/min. UV detection was performed at 235 nm. The dicloxacillin sodium and cefpodoxime proxetil were eluted at 1.92 and 3.35 min, respectively. The peaks were eluted with better resolution. Calibration plots were linear over the concentration range 0.5-20 μg/ml for cefpodoxime proxetil (r(2)=0.9996) and 5-50 μg/ml for dicloxacillin sodium (r(2)=0.9987). The method was validated for accuracy, precision, linearity and specificity. The method was very sensitive with limit of detection 0.0726, 0.3685 μg/ml and limit of quantification 0.220, 1.116 μg/ml for cefpodoxime proxetil and dicloxacillin sodium, respectively. The high recovery and low relative standard deviation confirm the suitability of the method for routine determination of cefpodoxime proxetil and dicloxacillin sodium in bulk drug and tablet dosage form.

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The present study deals with spectrophotometric analysis of cefpodoxime proxetil by utilizing 4 different hydrotropic agents such as ammonium acetate (6 M), sodium citrate (1.25 M), sodium gycinate (1 M), sodium chloride (1 M), and urea (1 M).

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buy vantin 2017-04-11

SNEDDS formulations led vantin buy to improved oral bioavailability due to enhanced solubilization of selected drug.

buy vantin online 2016-09-13

Eighteen patients of either sex with pleural effusions underwent aspiration 3, 6 or 12 h after receiving a single oral dose of cefpodoxime proxetil equivalent to 200 mg cefpodoxime. The mean concentrations of cefpodoxime in pleural fluid were, respectively, 0.62, 1.84 and 0.78 mg/l for these three time intervals, the corresponding ratios between pleural fluid and plasma concentrations being 0.24, 0.67 and 1.07. The findings indicate that there is good penetration of cefpodoxime into pleural fluid. Concentrations between 3 and 12 h after dosing were equal to or above the MIC90 for most of the organisms commonly found in vantin buy lower respiratory tract infections.

buy vantin 2017-07-08

This multicentre, randomized study compared the efficacy and tolerance of cefpodoxime proxetil and ceftriaxone in vulnerable patients with bronchopneumonia. Patients received cefpodoxime proxetil 200 mg bd orally or ceftriaxone 1 g daily im for a ten-day period. They were evaluated Cytoxan Tablets at days 10 and 30. Ninety-six patients were evaluated for tolerance, 85 for clinical efficacy and 65 for bacteriological efficacy. At entry all patients had radiographic evidence of pneumonia and 74% of bacteriological samples were positive. The percentage of overall success (cured or improved) was 97.7% (43/44) in the cefpodoxime proxetil group and 95.1% (39/41) in the ceftriaxone group. The bacteriological efficacy was 94.3% in the cefpodoxime proxetil group and 97.4% in the ceftriaxone group. Clinical tolerance was satisfactory in both groups. In this study, the clinical and bacteriological results obtained with cefpodoxime proxetil were comparable with those obtained with ceftriaxone in the treatment of community-acquired bronchopneumonia in patients with additional risk factors.

buy vantin online 2015-05-23

Clinical and laboratory records were Duricef Reviews retrospectively reviewed between January 2003 and December 2003.

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Evidence for optimal treatment regimens was obtained by searching PubMed Allegra Generic Name and the Cochrane database for English-language studies published up to July 21, 2014.

buy vantin online 2016-08-22

Mean plasma protein binding for cefpodoxime and cephalexin was 82.6% and 20.8%, respectively. Mean ± SD values Hytrin Dosage for cephalexin in plasma were determined for peak plasma concentration (Cmax, 31.5±11.5 μg/mL), area under the time-concentration curve (AUC, 155.6±29.5 μg•h/mL), and terminal half-life (T½, 4.7±1.2 hours); corresponding values in ISF were 16.3±5.8 μg/mL, 878±21.0 μg•h/mL, and 3.2±0.6 hours, respectively. Mean±SD values for cefpodoxime in plasma were 33.0±6.9 μg/mL (Cmax), 282.8±44.0 μg•h/mL (AUC), and 5.7±0.9 hours (T1/2); corresponding values in ISF were 4.3±2.0 μg/mL, 575±174 μg•h/mL, and 10.4±3.3 hours, respectively.

buy vantin 2015-09-14

This case demonstrates the potential for renal toxicity Anafranil Online Order with the use of indinavir sulfate in HIV-infected hemophiliacs.

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The purpose of this research was to assessment of antimicrobial activity and in vitro/in vivo evaluation of cefpodoxime proxetil extended-release (ER) tablet for once daily administration. The tablets were prepared using combination of biodegradable polysaccharides including hydroxypropyl methylcellulose and sodium alginate as matrix material to achieve pH-independent ER release. The tablets were found within the permissible limits for various physicochemical parameters. The in vitro drug release showed that the drug was released over a period of 24h in a sustained release manner. The drug release followed Higuchi kinetics as these plots showed the highest linearity (R(2)=0.9833), but a close relationship was also observed with zero-order kinetics (R(2)=0.9088) and the drug release mechanism was found to be of anomalous or non-Fickian type. Further, in vitro drug release was assessed by antimicrobial assay and it revealed that drug release through 24h periods was above the MIC. Zyloprim Buy Online In vivo investigation in rabbits showed ER pharmacokinetic profile of cefpodoxime from the matrix tablets. A good correlation of drug absorption in vivo and drug release in vitro (R(2)=0.9785) was observed. These results suggested that the investigated CFP matrix tablets have a potential for extended-release dosage forms.

buy vantin 2017-08-31

A ten day course of oral penicillin is still recommended for pharyngotonsillitis with the aim of eradicating Streptococcus pyogenes and preventing rheumatic fever. However there is some evidence that penicillin V therapy is less satisfactory than in former years. Several explanations have been suggested, including inadequate pharmacokinetic properties, poor patient compliance, penicillin tolerance, re-infection and carrier state, and indirect pathogenicity. In this context we evaluated the efficacy of third generation cephalosporins. We have shown that a short course of five days treatment with cefpodoxime is as effective as the ten days of conventional treatment with penicillin in terms of both clinical and bacteriological efficacy. Moreover the possibility of reducing the duration of therapy and the twice daily administration of these new cephalosporins Acyclovir Zovirax Medication results in better patient compliance with treatment.

buy vantin online 2015-01-21

A simple, selective, precise, and Purchase Generic Viagra stability-indicating high-performance thin-layer chromatographic (HPTLC) method for analysis of cefpodoxime proxetil both in bulk and in pharmaceutical formulation has been developed and validated.

buy vantin 2016-06-14

Deciding whether an antibiotic is necessary, when to begin therapy and selecting an optimal drug is an everyday challenge in clinical practice. In vitro susceptibility testing which determines the minimum concentration necessary for a particular antibiotic to inhibit or kill most strains of a bacterial species and pharmacodynamic modeling are useful but have limitations. The need for antibiotic therapy for acute otitis media (AOM) has been recently questioned. However, explanations for uniformly positive results with many antibiotic and placebo comparative trials include overdiagnosis of AOM at study entry, inclusion of patients with mild or uncomplicated AOM and broad criteria for the definition of clinical success. Recurrent and persistent AOM does not have as favorable a natural history as uncomplicated AOM; children below 2 years of age benefit most from antibiotic therapy. Selecting the best choice among the many antibiotics that can be used to treat AOM has become more complex over the last decade due to escalating antibiotic resistance among the pathogens that cause this infection. Broader spectrum antibiotics such as cefdinir, the newly introduced third generation cephalosporin, have their most prominent use in the treatment of persistent and recurrent AOM. In the early 1950s and 1960s penicillin clearly was the best available agent for the treatment of group A streptococcal (GAS) infections. In the 1970s the situation began to change as cephalosporin antibiotics became available. Superior eradication rates with cephalosporins such as cefdinir have now been well-documented. The leading hypothesis to explain the widening gap in efficacy between penicillin and cephalosporins relates to two major concepts: the presence of copathogens and differential alteration of the normal microbial ecology in the throat as a consequence of the selected therapy. There are positive and negative consequences to early initiation of antibiotic therapy for GAS tonsillopharyngitis. Penicillin has persisting good efficacy in patients older than the age of 12 years and in those who have been ill for >2 Bactrim 320 Mg days. Shortening therapy for GAS tonsillopharyngitis offers a therapeutic advantage. Cefpodoxime proxetil and cefdinir have a 5-day indication for the treatment of GAS tonsillopharyngitis. Antibiotics with lower side effect profile, infrequent dosing, good palatability in suspension formulation and efficacy with short duration of treatment may lead to better outcomes because noncompliance often results in failed therapy, persistence of infection and morbidity.

buy vantin online 2016-07-28

Cefpodoxime proxetil, a third generation, broad-spectrum, oral cephalosporin, was administered in single doses of 100, 200, 400, 600, and 800 mg (dose expressed as cefpodoxime equivalents) and multiple doses of 100, 200, and 400 mg twice daily to healthy volunteers. The pharmacokinetics of the active metabolite, cefpodoxime, and tolerance of cefpodoxime proxetil were determined. Results from the single-dose study indicate that cefpodoxime exhibits nonlinear pharmacokinetics over the dose range of 100 to 800 mg. This nonlinearity is primarily due to differences in dose-normalized AUC and Cmax, urinary recovery, and half-life between one or more of the higher-dose treatment groups and the 100-mg dosing group. After multiple-dose (twice daily) administration for 15 days, steady state is achieved on the second day of dosing, and there is no drug accumulation. Cefpodoxime pharmacokinetics are linear with dose over the clinically relevant dosing range of 100 to 400 mg. Microbiologic and HPLC plasma assay results are highly correlated, with close agreement between HPLC- and microbiologic-determined pharmacokinetic parameter estimates. Cefpodoxime proxetil was well tolerated in both studies. The most frequent medical events were related to gastrointestinal problems and consisted of transient loose stools in three subjects in the single-dose study and antibiotic-associated diarrhea in one subject in the multiple-dose study.

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One hundred and fifty female patients with acute uncomplicated cystitis were given 200 mg of CPDX-PR twice daily for 3-7 days to evaluate both its overall clinical efficacy and its adverse effects. In 82 cases (Group I) in which it was administered for 3 days, the overall clinical efficacy, evaluated by the criteria proposed by the Japanese UTI committee, was excellent in 64 cases, moderate in 17 and poor in one, with the effective rate being 98.8%. In 35 cases (Group II) in which it was administered for 4-7 days, the overall clinical efficacy was excellent in 18 cases, moderate in 15 and poor in 2, with the effective rate being 94.3%. The overall clinical evaluation was not performed in another 33 cases because they were given CPDX-PR for more than 8 days or 300 mg/day. Subjective adverse effects such as hoarseness and lingual inflammation were observed in only one of the 150 cases, but they disappeared spontaneously after the cessation of administration of CPDX-PR. These findings suggest that CPDX-PR is one of the most effective and safe antibiotic in the treatment of acute uncomplicated cystitis.

buy vantin online 2017-07-31

To conduct a meta-analysis of randomized controlled trials of antibiotic treatment of acute otitis media in children to determine whether outcomes were comparable in children treated with antibiotics for less than 7 days or at least 7 days or more.

buy vantin 2017-12-07

The clinical usefulness of cefpodoxime proxetil (CPDX-PR) was investigated in the treatment of pneumonia and chronic airway infections occurring in patients first visiting our outpatient clinic or those being treated at the outpatient clinic. CPDX-PR was orally administered twice a day after meals at a dose of 100-200 mg for acute respiratory tract infections and at a dose of 200 mg for chronic respiratory tract infections. Excellent, good, fair, and poor responses were observed in 20, 33, 10, and 3 of 66 patients (4 with acute bronchitis, 27 with pneumonia, and 35 with acute exacerbation of chronic airway infection), respectively, demonstrating an 80.3% efficacy rate (53/66). Causative organisms, including Streptococcus pneumoniae, were all eradicated from the patients whose causative organisms were examined over time, although 2 of the patients were superinfected with Pseudomonas aeruginosa. There were no serious adverse reactions or abnormal changes in laboratory test results. It was concluded that CPDX-PR could be used as a first-choice drug for the treatment of respiratory tract infections at an outpatient clinic, and that this drug should acquire greater importance in particular consideration of recent increases in infections with S. pneumoniae.

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Although postoperative infections continue to be a major problem in gynecologic surgery, there is still no consensus on the efficacy of antibiotic prophylaxis.

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Global clinical efficacy was assessed by the physicians to be "very good" and "good" in 96.4% of the cases. With regard to tolerance, the physicians' assessment was "very good" and "good" in 96.3%. In 51 patients (1.9%), 70 adverse drug reactions involving the gastrointestinal tract, CNS and skin occurred.

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A multicentre open-label, randomised trial was performed to compare the efficacy and safety of cefpodoxime proxetil bd and cefaclor tds in the treatment of acute otitis media in children. A total of 167 children aged from 1 month to 11 years were enrolled in five centres: 78 treated with cefpodoxime and 83 treated with cefaclor, were evaluated in the ITT analysis. After tympanocentesis and culture of middle ear fluid, a pathogen was isolated from 85 (53%) of the 161 evaluable patients for the ITT analysis. The organisms isolated were as follows: Streptococcus pneumoniae: (n = 33, 37.5%); Haemophilus influenzae: (n = 22, 25%); Staphylococcus aureus: (n = 15, 17.1%); Streptococcus pyogenes: (n = 8, 9.1%); Moraxella catarrhalis: (n = 2, 2.3%); others (n = 6, 6.8%). Success (defined as a satisfactory clinical outcome, either cure or improvement) was achieved at the end of treatment, in 93.6% of ther patients in the cefpodoxime group and 91.6% of the patients in the cefaclor group (P> 0.05). Clinical recurrence was identified at the follow-up visit (30 days after inclusion), in 6.4% of the cefpodoxime-treated patients and 7.2% of the cefaclor-treated patients (P> 0.05). The drugs were well tolerated by 78/79 (99%) of patients in the cefpodoxime-treated group and 80/85 (94%) in the cefaclor-treated group. The incidence of adverse effects was higher in the cefaclor group than in the cefpodoxime group, but this was not statistically significant (P > 0.05). IN conclusion, cefpodaxime proxetil administered bd is as effective as cefaclor administered tds in the treatment of acute otitis media in children. The less frequent dosing schedule of cefpodoxime (bd) compared with cefaclor (tds) appears to be more convenient for the treatment of the infections in children.

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All patients had acute-onset otorrhea associated with their AOM. Five patients had tympanostomy tubes and 1 had perforation of the tympanic membrane. None of the patients were responding to treatment with oral antibiotics (amoxicillin sodium-clavulanate potassium, cefpodoxime proxetil, and cefprozil) or fluoroquinolone ear drops (ofloxacin, ciprofloxacin). Specimens were obtained from the ears for cultures, and MRSA was present in the cultures. The organisms were resistant to levofloxacin and erythromycin in all patients and resistant to clindamycin hydrochloride in 2 patients. The cultures were sensitive to trimethoprim-sulfamethoxazole, gentamicin sulfate, rifampin, and vancomycin hydrochloride. All patients were treated successfully with oral trimethoprim-sulfamethoxazole and ear drops (gentamicin sulfate or polymyxin B sulfate-neomycin sulfate-hydrocortisone [Cortisporin]).

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An open-label, dose-response study of cefpodoxime proxetil (CPD), an expanded-spectrum cephalosporin, was conducted with 58 males with uncomplicated Neisseria gonorrhoeae infections with single doses of 600, 400, 200, 100, or 50 mg of CPD administered orally by tablet. CPD eradicated N. gonorrhoeae in all 50 evaluable patients (10 per group) at all doses studied. Eight of the isolates eradicated were beta-lactamase-producing organisms. Two patients reported three side effects, nausea, vomiting, and diarrhea, which were mild and resolved without intervention or sequelae. There were no clinically remarkable drug-related changes in vital signs or clinical laboratory assays. Results show that single oral doses of CPD are an effective and well-tolerated treatment for uncomplicated N. gonorrhoeae infection in males at doses as low as 50 mg.

buy vantin 2017-07-18

This European, multicentre trial evaluated the efficacy and tolerance of cefpodoxime proxetil in comparison with co-amoxiclav (amoxycillin plus clavulanic acid) in the treatment of acute exacerbations of chronic bronchitis. The study design was double-blind and double-placebo controlled. Doses of either 200 mg bd of cefpodoxime proxetil or 500 mg/125 mg tds amoxycillin plus clavulanic acid were given orally for 9.6 +/- 1.8 days. Two hundred and fifty-one patients were enrolled in 27 centres in West Germany, France, and Italy. The overall clinical efficacy was 97.2% in the cefpodoxime proxetil group compared with 94.7% in the co-amoxiclav group. Fifty-eight adverse events, mainly gastrointestinal, occurred in 42 patients with no significant difference between the groups. A significant difference in the number of resistant pathogens on pre-treatment culture to the advantage of cefpodoxime was noted. In our experience, both drugs were of similar value in the treatment of respiratory tract infections. Thus, cefpodoxime proxetil should be an effective antibiotic for the treatment of acute exacerbations of chronic bronchitis.

buy vantin online 2015-11-13

The administration of oral CPDX-PR (100 mg, twice daily, for 3 days) appears to be a safe, cost-saving, convenient prophylaxis which reduces overall expense.

buy vantin 2016-05-08

In this study, a 5-day course of cefpodoxime-proxetil at 200 mg bid was as clinically effective as amoxicillin-clavulanic acid 1 g/125 mg bid for 8 days with a significantly better safety profile and compliance.

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Dry syrup and tablet of newly developed cefpodoxime proxetil (CS-807, CPDX-PR) was investigated in the departments of pediatrics of 17 institutes and their related hospitals. 1. Pharmacokinetics of CPDX-PR in pediatrics were investigated. Peak blood levels of CPDX at dose levels of 3 mg/kg and 6 mg/kg were 2.24 +/- 0.21 and 4.68 +/- 0.54 micrograms/ml, respectively, in fasting and 1.65 +/- 0.07 and 3.71 +/- 0.41 micrograms/ml, respectively, after meal. Urinary recovery rates in 6 hours were 31.2 +/- 2.2% of dose in average. 2. Clinical efficacies of CPDX-PR on various infectious diseases were studied in 748 cases. Clinical efficacy rate in 499 cases with causative bacteria isolated was 94.6%: efficacy rates for individual infections were 96.8% (120/124) for tonsillitis, 96.0% (96/100) for urinary tract infection, 93.5% (58/62) for pneumonia, 92.4% (61/66) for impetigo, 100% (32/32) for scarler fever and 93.2% for pharyngitis or laryngitis. Bacteriological eradication rate for Gram-positive organisms was 91.0% (244/268); and for Gram-negative organisms, 89.7% (210/234). The clinical efficacy rate for cases which were non-responsive to previous antibiotic therapy was 88.1% (74/84). 3. Side effects and clinical laboratory findings were investigated in 779 cases. Two each of vomiting, loose stool and rash, 10 of diarrhea and 1 of diarrhea associated with candidiasis were reported, but no serious side effects were noted. There was no serious laboratory test abnormality except slight elevations of eosinophile, platelet, transaminase or prolongation of prothrombin time, totalling 34 occurrences.

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There is a high rate of use of antimicrobial drugs for otitis media in children. This article reviews the diagnostic considerations for acute otitis media. An extensive review of literature on this subject has been carried out in order to address the issues of indications, choice, appropriate doses of antimicrobial agents and the duration for which they should be used. It is important to distinguish acute otitis media from otitis media with effusion because antibiotics are seldom indicated for the latter condition. Oral amoxicillin remains first-line therapy for uncomplicated acute otitis media, a short course of antimicrobial therapy (five to seven days) may be appropriate in children two years of age or older with uncomplicated presentations. For clinical treatment failures after 3 days of amoxicillin, recommended antimicrobial agents include oral amoxicillin/clavulanate, cefuroxime axetil, cefprozil, cefpodoxime proxetil, and intramuscular (i.m.) ceftriaxone. Tympanocentesis for identification of pathogens and susceptibility to antimicrobial agents is recommended for selection of third-line agents.

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Although it varies from country to country, there is a worrying worldwide increase in antibiotic resistance among pathogens causing otitis. This has led to a search for therapeutic alternatives to the reference treatment, which is still amoxicillin in many countries. Cefpodoxime proxetil is one such alternative. Six comparative randomized trials of cefpodoxime proxetil in childhood acute otitis media have been published or presented at international conferences. They involved a total of 1188 patients, 658 of whom received cefpodoxime proxetil and 530 of whom received the comparator drug (amoxicillin/clavulanic acid in 3 trials, cefaclor in 1, and cefixime in 2); duration of treatment varied from 5 days for cefpodoxime proxetil to 10 days for amoxicillin/clavulanic acid, and the age of the children included ranged from 2 months to 12 years. The clinical efficacy of cefpodoxime proxetil was at least equivalent to that of the comparators in 4 trials and significantly better in 2 trials. Firstly, in one study vs. amoxicillin/clavulanic acid, the superiority of cefpodoxime proxetil (8 mg/kg/day twice daily) in terms of healing at the end of treatment and in terms of the number of normal tympanograms at the follow-up visit was shown. Secondly, in a study performed by our group, vs. cefixime, cefpodoxime proxetil (8 mg/kg/day twice daily) showed a better healing rate at the end of treatment in febrile and painful acute otitis media. The microbiologic and pharmacokinetic data show that cefpodoxime proxetil is one of the most active compounds against Haemophilus influenzae and Streptococcus pneumoniae.(ABSTRACT TRUNCATED AT 250 WORDS)

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The antimicrobial activity of cefpodoxime, the active metabolite of the new cephalosporin ester cefpodoxime proxetil, in comparison to cefixime, cefotiam, cefuroxime, and cefotaxime was determined against a broad spectrum of freshly isolated gram-positive and gram-negative bacterial strains. Cefpodoxime was demonstrated to be inhibitory at concentrations of less than or equal to 1 mg/l against 90% of strains of Moraxella catarrhalis, Haemophilus influenzae, Escherichia coli (beta-lactamase- negative strains), Klebsiella spp., Serratia spp., Proteus mirabilis, Proteus vulgaris, Providencia spp., and Salmonella spp. This antimicrobial activity of cefpodoxime was generally superior to that of cefuroxime and similar to that of cefixime. Cefpodoxime was active at less than or equal to 1 mg/l against 50% of the members of beta-lactamase-producing Escherichia coli, Enterobacter cloacae, Enterobacter aerogenes, Citrobacter spp., and Morganella morganii. Cefpodoxime proved to be highly inhibitory against group A, B, and G streptococci and Streptococcus pneumoniae (MIC90 less than 0.015 mg/l). The MICs of cefpodoxime and those of the other cephalosporins were less than 2 mg/l for greater than or equal to 90% of the strains of Staphylococcus aureus and Staphylococcus epidermidis, with the exception of cefixime which had no activity with MICs below 8 mg/l against these bacteria. Pseudomonas spp., Acinetobacter spp., and Enterococcus spp. were resistant to cefpodoxime. The antibacterial activity of cefpodoxime was only to a minor degree influenced by different growth conditions with the exception of high inoculum sizes against some beta-lactamase producing strains of gram-negative bacilli.(ABSTRACT TRUNCATED AT 250 WORDS)

buy vantin online 2015-03-17

The pharmacokinetic, economic and practical aspects of sequential therapy with iv and oral cephalosporins are reviewed. New broad spectrum oral cephalosporins, such as cefixime, cefpodoxime proxetil and cefetamet pivoxil achieve serum concentrations above the MICs for most Enterobacteriaceae for at least as long as for parenteral cefuroxime. Substantial cost reductions are possible with an early switch from iv to oral cephalosporins. The clinical studies that have been performed so far have important shortcomings. Well designed clinical studies are necessary to prove the feasibility of sequential therapy with cephalosporins for serious infections in hospitalized patients.

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Cefpodoxime proxetil is a new oral esterified cephem antibiotic with a broad antibacterial spectrum. The dissolution of cefpodoxime proxetil is pH dependent. The objectives of this study were to characterize the pharmacokinetics of cefpodoxime proxetil in two different oral doses and to examine possible interactions with an antacid, aluminum magnesium hydroxide (Maalox 70), and an H2 receptor antagonist, famotidine. Two studies involving the same 10 healthy volunteers were performed. In the first study, cefpodoxime proxetil was administered in two doses, 0.1 and 0.2 g. In the second study, two interventions were performed in a randomized crossover design. For one intervention, the volunteers were pretreated with 40 mg of famotidine 1 h before 0.2 g of cefpodoxime proxetil was administered. In the second trial, participants were given 10 ml of Maalox 70 2 h and 10 ml of Maalox 70 15 min before they received 0.2 g of cefpodoxime proxetil. Serum and urine concentrations were determined by high-performance liquid chromatography. For the statistical evaluation, these data were tested by using the pharmacokinetics of 0.2 g of cefpodoxime proxetil from the first study. The maximum concentrations were 1.19 +/- 0.32 mg/liter after 0.1 g of cefpodoxime proxetil and 2.54 +/- 0.64 mg/liter after 0.2 g of cefpodoxime proxetil. The elimination half-lives were 149 min for 0.1 g and 172 min for 0.2 g of cefpodoxime proxetil. The total increase in the area under the concentration-time curve (AUC) was dose dependent. Combination with Maalox 70 caused a reduction in the AUC from 14.0 +/- 3.9 to 8.44 +/- 1.85 mg.h/liter. After famotidine, the AUC decreased to 8.36 +/- 2.0 mg . h/liter. Corresponding changes were registered for the maximum concentration of drug in serum, 24-h urine recovery, and the time to maximum concentration of drug serum. Cefpodoxime proxetil was well tolerated without any seriously adverse drug reactions.

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Cefprozil, cefpodoxime proxetil, loracarbef, cefixime, and cefributen are active in vitro against organisms frequently involved in community-acquired infections such as Streptococcus pneumoniae, Escherichia coli, beta-lactamase-positive or -negative Haemophilus influenzae, and Moraxella catarrhalis. Except for cefixime and ceflibuten, they all are active against methicillin-susceptible Staphylococcus aureus. Even though there were problems in study design (discussed within the text), clinical data demonstrate that these new oral beta-lactam compounds are as efficacious as conventional therapies for a variety of community-acquired infections.

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An open-labeled and randomized trial was conducted to compare the efficacy and safety of once daily cefpodoxime proxetil suspension (10mg/kg/day) and thrice daily cefaclor (45mg/kg/day) in the treatment of acute otitis media in children. A total of 57 children aged from 6 months to 9 years were enrolled; 23 were treated with cefpodoxime and 34 with cefaclor. Satisfactory clinical outcome, either cure or improvement, was achieved at the end of treatment in 90% of patients in the cefaclor group and 95% of patients in the cefpodoxime group (p > 0.05). Clinical recurrence was identified at the follow-up visits in one case of the cefaclor group (3%), and none in the cefpodoxime group (p > 0.05). These drugs were well tolerated by 14/21 (67%) in the cefpodoxime-treated group and 27/32 (84%) in the cefaclor-treated group. The incidence of adverse events was slightly higher in the cefpodoxime group than in the cefaclor group, however the difference did not reach statistical significance (p > 0.05). The daily cost of once-daily cefpodoxime was lower than that of thrice-daily cefaclor. We conclude that cefpodoxime administered once daily is as effective and safe as cefaclor administered thrice daily in the treatment of acute otitis media in children. The less dosing frequency and lower daily price of cefpodoxime provide additional benefits.

buy vantin online 2015-10-22

Open-label, unblind, nonrandomized clinical trial.

buy vantin 2015-09-14

Administration of cefpodoxime in the presence of food affected the rate but not the extent of absorption. Cefpodoxime proxetil oral suspension can be administered without regard to meals in children 6 months to 12 years of age.

buy vantin online 2016-02-05

To compare the pharmacokinetics/pharmacodynamics property of cefdinir, cefpodoxime proxetil and cefaclor against common bacteria of community acquired infections and evaluate the recommended regimens.

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Cefpodoxime proxetil (RU 51807) is an enterally absorbed ester prodrug which is rapidly cleaved in vivo after oral administration, with release of the active free acid metabolite cefpodoxime. The in vitro antibacterial activity of the sodium salt of cefpodoxime (RU 51746) against approximately 800 clinical isolates was evaluated comparatively with other orally active beta-lactams. RU 51746 was found to be active against enterobacteria normally susceptible to third generation cephalosporins, with MIC50 values ranging from 0.02 mg/l (Providencia sp) to 5 mg/l (C. freundii). RU 51746 was also active against H. influenzae, including beta-lactamase producing strains (MIC50 0.04 mg/l), oxa-S S. aureus (2,5), beta-hemolytic streptococci (0.05) and S. pneumoniae (0.002). Oxa-R staphylococci and P. aeruginosa were resistant to RU 51746 (MIC50 greater than 40 mg/l for both organisms). The antibacterial activity of RU 51746 was bactericidal in nature and independent from test conditions. The molecule was stable to all the beta-lactamases studied, with the exception of cefuroximase (type Ic). RU 51746 exhibited no strong inhibitory effects on these enzymes, except with Enterobacter P99 (type Ia). A good correlation was found between in vivo activity of RU 51807 and in vitro activity of RU 51746. Cefpodoxime proxetil was found to be more effective than cefaclor in mice with experimental septicemia caused by various streptococci, with a DP50 ratio in the 10-100 range. This advantage was again evidenced for septicemias due to various enterobacteria. In contrast, cefaclor proved more effective in experimental staphylococcus infections. In mice with experimental pneumonia, cefpodoxime proxetil caused sharp falls in K. pneumoniae lung counts. Six days after induction of the infection, 60% of animals under cefpodoxime proxetil had sterile lungs, versus 25% of animals under amoxicillin.

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The clinical efficacy was examined for the newly developed oral cephem antibiotic, cefpodoxime proxetil (CPDX-PR) dry syrup, in the treatment of various acute infections in the field of pediatrics. CPDX-PR dry syrup was administered at 10 mg/kg/day in 3-divided doses to 535 children at 21 institutions, including Tottori University Hospital and its related hospitals. The efficacy rate of this drug was determined to be 80.8%. Among isolates, Staphylococcus aureus and Streptococcus sp. were highly susceptible to the drug, whereas Haemophilus influenzae showed relatively poor susceptibility. Side effects were observed in 2.80% of all of the patients, and abnormal laboratory findings were detected in 1.87%. The low incident of side effects demonstrated its high safety, and this drug was considered to be very useful for such pediatric infections as acute tonsillitis, acute pharyngitis and acute bronchitis.

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Among women with uncomplicated cystitis, a 3-day regimen of cefpodoxime compared with ciprofloxacin did not meet criteria for noninferiority for achieving clinical cure. These findings, along with concerns about possible adverse ecological effects associated with other broad-spectrum β-lactams, do not support the use of cefpodoxime as a first-line fluoroquinolone-sparing antimicrobial for acute uncomplicated cystitis.

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Cross-contamination is a critical issue for pharmaceutical manufacturing, especially for beta-lactam antibiotics. Thus, an analytical method for the simultaneous determination of beta-lactam antibiotics cefmetazole (CMZ) and cefpodoxime proxetil (CPDXPR) contaminants in non-beta-lactam pharmaceuticals was developed using high-performance liquid chromatography-tandem mass spectrometry. The developed method was found to be sensitive at the detection limit of 0.002 ppm for both compounds. Mean recoveries of CMZ and CPDXPR from olmesartan medoxomil (OLM) tablets were 96.7 to 102.2% and 88.9 to 94.2%, respectively. The developed method was successfully applied for the verification of CMZ and CPDXPR contamination to actually manufactured OLM tablets.