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Generic Name: ceftazidime sodium
Dosage Form: injection, powder, for solution


Fortaz®
(ceftazidime for injection)
Fortaz®
(ceftazidime injection)

For Intravenous or Intramuscular Use

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

Fortaz Description

Ceftazidime is a semisynthetic, broad-spectrum, beta-lactam antibiotic for parenteral administration. It is the pentahydrate of pyridinium, 1 - [[7 - [[(2 - amino - 4 - thiazolyl)[(1 - carboxy - 1 - methylethoxy)imino]acetyl]amino] - 2 - carboxy - 8 - oxo - 5 - thia - 1 - azabicyclo[4.2.0]oct - 2 - en - 3 - yl]methyl] - , hydroxide, inner salt, [6R-[6α,7β(Z)]]. It has the following structure:

The empirical formula is C22H32N6O12S2, representing a molecular weight of 636.6.

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Fortaz is a sterile, dry-powdered mixture of ceftazidime pentahydrate and sodium carbonate. The sodium carbonate at a concentration of 118 mg/g of ceftazidime activity has been admixed to facilitate dissolution. The total sodium content of the mixture is approximately 54 mg (2.3 mEq)/g of ceftazidime activity.

Fortaz in sterile crystalline form is supplied in vials equivalent to 500 mg, 1 g, 2 g, or 6 g of anhydrous ceftazidime and in TwistVialTM vials equivalent to 1 or 2 g of anhydrous ceftazidime. Solutions of Fortaz range in color from light yellow to amber, depending on the diluent and volume used. The pH of freshly constituted solutions usually ranges from 5 to 8.

Fortaz is available as a frozen, iso-osmotic, sterile, nonpyrogenic solution with 1 or 2 g of ceftazidime as ceftazidime sodium premixed with approximately 2.2 or 1.6 g, respectively, of Dextrose Hydrous, USP. Dextrose has been added to adjust the osmolality. Sodium hydroxide is used to adjust pH and neutralize ceftazidime pentahydrate free acid to the sodium salt. The pH may have been adjusted with hydrochloric acid. Solutions of premixed Fortaz range in color from light yellow to amber. The solution is intended for intravenous (IV) use after thawing to room temperature. The osmolality of the solution is approximately 300 mOsmol/kg, and the pH of thawed solutions ranges from 5 to 7.5.

The plastic container for the frozen solution is fabricated from a specially designed multilayer plastic, PL 2040. Solutions are in contact with the polyethylene layer of this container and can leach out certain chemical components of the plastic in very small amounts within the expiration period. The suitability of the plastic has been confirmed in tests in animals according to USP biological tests for plastic containers as well as by tissue culture toxicity studies.

Fortaz - Clinical Pharmacology

After IV administration of 500-mg and 1-g doses of ceftazidime over 5 minutes to normal adult male volunteers, mean peak serum concentrations of 45 and 90 mcg/mL, respectively, were achieved. After IV infusion of 500-mg, 1-g, and 2-g doses of ceftazidime over 20 to 30 minutes to normal adult male volunteers, mean peak serum concentrations of 42, 69, and 170 mcg/mL, respectively, were achieved. The average serum concentrations following IV infusion of 500-mg, 1-g, and 2-g doses to these volunteers over an 8-hour interval are given in Table 1.

Table 1 Average Serum Concentrations of Ceftazidime

Ceftazidime

Serum Concentrations (mcg/mL)

IV Dose

0.5 hr

1 hr

2 hr

4 hr

8 hr

500 mg

42

25

12

6

2

1 g

60

39

23

11

3

2 g

129

75

42

13

5

The absorption and elimination of ceftazidime were directly proportional to the size of the dose. The half-life following IV administration was approximately 1.9 hours. Less than 10% of ceftazidime was protein bound. The degree of protein binding was independent of concentration. There was no evidence of accumulation of ceftazidime in the serum in individuals with normal renal function following multiple IV doses of 1 and 2 g every 8 hours for 10 days.

Following intramuscular (IM) administration of 500-mg and 1-g doses of ceftazidime to normal adult volunteers, the mean peak serum concentrations were 17 and 39 mcg/mL, respectively, at approximately 1 hour. Serum concentrations remained above 4 mcg/mL for 6 and 8 hours after the IM administration of 500-mg and 1-g doses, respectively. The half-life of ceftazidime in these volunteers was approximately 2 hours.

The presence of hepatic dysfunction had no effect on the pharmacokinetics of ceftazidime in individuals administered 2 g intravenously every 8 hours for 5 days. Therefore, a dosage adjustment from the normal recommended dosage is not required for patients with hepatic dysfunction, provided renal function is not impaired.

Approximately 80% to 90% of an IM or IV dose of ceftazidime is excreted unchanged by the kidneys over a 24-hour period. After the IV administration of single 500-mg or 1-g doses, approximately 50% of the dose appeared in the urine in the first 2 hours. An additional 20% was excreted between 2 and 4 hours after dosing, and approximately another 12% of the dose appeared in the urine between 4 and 8 hours later. The elimination of ceftazidime by the kidneys resulted in high therapeutic concentrations in the urine.

The mean renal clearance of ceftazidime was approximately 100 mL/min. The calculated plasma clearance of approximately 115 mL/min indicated nearly complete elimination of ceftazidime by the renal route. Administration of probenecid before dosing had no effect on the elimination kinetics of ceftazidime. This suggested that ceftazidime is eliminated by glomerular filtration and is not actively secreted by renal tubular mechanisms.

Since ceftazidime is eliminated almost solely by the kidneys, its serum half-life is significantly prolonged in patients with impaired renal function. Consequently, dosage adjustments in such patients as described in the DOSAGE AND ADMINISTRATION section are suggested.

Therapeutic concentrations of ceftazidime are achieved in the following body tissues and fluids.

Table 2. Ceftazidime Concentrations in Body Tissues and Fluids

Tissue or Fluid

Dose/Route

No. of Patients

Time of Sample Postdose

Average Tissue

or Fluid Level

(mcg/mL or mcg/g)

Urine

500 mg IM

6

0-2 hr

2,100.0

2 g IV

6

0-2 hr

12,000.0

Bile

2 g IV

3

90 min

36.4

Synovial fluid

2 g IV

13

2 hr

25.6

Peritoneal fluid

2 g IV

8

2 hr

48.6

Sputum

1 g IV

8

1 hr

9.0

Cerebrospinal fluid

2 g q8hr IV

5

120 min

9.8

(inflamed meninges)

2 g q8hr IV

6

180 min

9.4

Aqueous humor

2 g IV

13

1-3 hr

11.0

Blister fluid

1 g IV

7

2-3 hr

19.7

Lymphatic fluid

1 g IV

7

2-3 hr

23.4

Bone

2 g IV

8

0.67 hr

31.1

Heart muscle

2 g IV

35

30-280 min

12.7

Skin

2 g IV

22

30-180 min

6.6

Skeletal muscle

2 g IV

35

30-280 min

9.4

Myometrium

2 g IV

31

1-2 hr

18.7

Microbiology

Mechanism of Action

Ceftazidime is a bactericidal agent that acts by inhibition of bacterial cell wall synthesis. Ceftazidime has activity in the presence of some beta-lactamases, both penicillinases and cephalosporinases, of Gram-negative and Gram-positive bacteria.

Mechanism of Resistance

Resistance to ceftazidime is primarily through hydrolysis by beta-lactamase, alteration of penicillin-binding proteins (PBPs), and decreased permeability.

Interaction with Other Antimicrobials

In an in vitro study antagonistic effects have been observed with the combination of chloramphenicol and ceftazidime.

Ceftazidime has been shown to be active against most isolates of the following bacteria, both in vitro and in clinical infections as described in the Indications and Usage section:

Gram-negative bacteria

Citrobacter species
Enterobacter species
Escherichia coli
Klebsiella species
Haemophilus influenzae
Neisseria meningitidis
Proteus mirabilis
Proteus vulgaris
Pseudomonas aeruginosa
Serratia species

Gram-positive bacteria

Staphylococcus aureus
Streptococcus pneumoniae
Streptococcus pyogenes
Streptococcus agalactiae

Anaerobic bacteria

Bacteroides species(Note: many isolates of Bacteroides species are resistant)

The following in vitro data are available, but their clinical significance is unknown. At least 90 percent of the following microorganisms exhibit an in vitro minimum inhibitory concentration (MIC) less than or equal to the susceptible breakpoint for ceftazidime. However, the efficacy of ceftazidime in treating clinical infections due to these microorganisms has not been established in adequate and well-controlled clinical trials.

Gram-negative bacteria

Acinetobacter species
Citrobacter diversus
Citrobacter freundii
Providencia species (including Providencia rettgeri)
Salmonella species
Shigella species
Haemophilus parainfluenzae
Morganella morganii
Neisseria gonorrhoeae
Yersinia enterocolitica

Gram-positive bacteria

Staphylococcus epidermidis

Anaerobic bacteria

Clostridium species (Not including Clostridium difficile)
Peptostreptococcus species
Susceptibility Test Methods

When available, the clinical microbiology laboratory should provide the results of in vitro susceptibility test results for antimicrobial drug products used in resident hospitals to the physician as periodic reports that describe the susceptibility profile of nosocomial and community-acquired pathogens. These reports should aid the physician in selecting an antibacterial drug product for treatment.

Dilution techniques

Quantitative methods are used to determine antimicrobial minimal inhibitory concentrations (MICs). These MICs provide estimates of the susceptibility of bacteria to antimicrobial compounds. The MICs should be determined using a standardized test method 1,2. The MIC values should be interpreted according to criteria provided in Table 3.

Diffusion techniques

Quantitative methods that require measurement of zone diameters also provide reproducible estimates of the susceptibility of bacteria to antimicrobial compounds. The zone size provides an estimate of the susceptibility of bacteria to antimicrobial compounds. The zone size should be determined using a standardized test method.2,3 .This procedure uses paper disks impregnated with 30 mcg ceftazidime to test the susceptibility of microorganisms to ceftazidime. The disk diffusion interpretive criteria are provided in Table 3.

Table 3. Susceptibility Test Interpretive Criteria for Ceftazidime
§Susceptibility interpretive criteria for Enterobacteriaceae are based on a dose of 1 gram q 8h. For isolates with intermediate susceptibility, use a dose of 2 grams every 8 hours in patients with normal renal function.
*For P. aeruginosa, susceptibility interpretive criteria are based on a dose of 2 grams IV every 8 hours in patients with normal renal function.
aThe current absence of data on resistant isolates precludes defining any category other than ‘Susceptible’. If isolates yield MIC results other than susceptible, they should be submitted to a reference laboratory for additional testing. Susceptibility of staphylococci to ceftazidime may be deduced from testing only penicillin and either cefoxitin or oxacillin.

Pathogen

Minimum Inhibitory Concentrations

(mcg/ml)

Disk Diffusion Zone Diameters

(mm)

(S) Susceptible

(I) Intermediate

(R) Resistant

(S) Susceptible

(I) Intermediate

(R) Resistant

Enterobacteriaceae§

≤ 4

8

≥ 16

≥ 21

18-20

≤ 17

Haemophilus influenzaea

≤ 2

-

-

≥ 26

-

-

Pseudomonas aeruginosa*     

≤ 8

-

≥ 16

≥ 18

-

≤ 17

A report of “Susceptible” indicates that the antimicrobial drug is likely to inhibit growth of the microorganism if the antimicrobial drug reaches the concentration usually achievable at the site of infection. A report of “Intermediate” indicates that the result 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 a high dosage of drug can be used. This category also provides a buffer zone that prevents small uncontrolled technical factors from causing major discrepancies in interpretation. A report of “Resistant” indicates that the antimicrobial is not likely to inhibit growth of the microorganism if the antimicrobial drug reaches the concentration usually achievable at the site of infection; other therapy should be selected.

Quality Control

Standardized susceptibility test procedures require the use of laboratory controls to monitor and ensure the accuracy and precision of supplies and reagents used in the assay, and the techniques of the individual performing the test 1,2,3,4. Standard ceftazidime powder should provide the following range of MIC values noted in Table 4. For the diffusion technique using the 30 mcg disk, the criteria in Table 4 should be achieved.

Table 4. Acceptable Quality Control Ranges for Ceftazidime

QC Strain

Minimum Inhibitory Concentrations

(mcg/mL)

Disk Diffusion Zone diameters

(mm)

Escherichia coli ATCC 25922

0.06 - 0.5

25 - 32

Staphylococcus aureus ATCC 25923     

----------

16 - 20

Staphylococcus aureus ATCC 29213

4 - 16

---------

Haemophilus influenzae ATCC 49247

0.12 - 1

27 - 35

Neisseria gonorrhoeae ATCC 49226

0.03 - 0.12

35 - 43

Pseudomonas aeruginosa ATCC 27853

1 - 4

22 - 29

Indications and Usage for Fortaz

Fortaz is indicated for the treatment of patients with infections caused by susceptible strains of the designated organisms in the following diseases:

1.
Lower Respiratory Tract Infections, including pneumonia, caused by Pseudomonas aeruginosa and other Pseudomonas spp.; Haemophilus influenzae, including ampicillin-resistant strains; Klebsiella spp.; Enterobacter spp.; Proteus mirabilis; Escherichia coli; Serratia spp.; Citrobacter spp.; Streptococcus pneumoniae; and Staphylococcus aureus (methicillin-susceptible strains).
2.
Skin and Skin-Structure Infections caused by Pseudomonas aeruginosa; Klebsiella spp.; Escherichia coli; Proteus spp., including Proteus mirabilis and indole-positive Proteus; Enterobacter spp.; Serratia spp.; Staphylococcus aureus (methicillin-susceptible strains); and Streptococcus pyogenes (group A beta-hemolytic streptococci).
3.
Urinary Tract Infections, both complicated and uncomplicated, caused by Pseudomonas aeruginosa; Enterobacter spp.; Proteus spp., including Proteus mirabilis and indole-positive Proteus; Klebsiella spp.; and Escherichia coli.
4.
Bacterial Septicemia caused by Pseudomonas aeruginosa, Klebsiella spp., Haemophilus influenzae, Escherichia coli, Serratia spp., Streptococcus pneumoniae, and Staphylococcus aureus (methicillin-susceptible strains).
5.
Bone and Joint Infections caused by Pseudomonas aeruginosa, Klebsiella spp., Enterobacter spp., and Staphylococcus aureus (methicillin-susceptible strains).
6.
Gynecologic Infections, including endometritis, pelvic cellulitis, and other infections of the female genital tract caused by Escherichia coli.
7.
Intra-abdominal Infections, including peritonitis caused by Escherichia coli, Klebsiella spp., and Staphylococcus aureus (methicillin-susceptible strains) and polymicrobial infections caused by aerobic and anaerobic organisms and Bacteroides spp. (many strains of Bacteroides fragilis are resistant).
8.
Central Nervous System Infections, including meningitis, caused by Haemophilus influenzae and Neisseria meningitidis. Ceftazidime has also been used successfully in a limited number of cases of meningitis due to Pseudomonas aeruginosa and Streptococcus pneumoniae.

Fortaz may be used alone in cases of confirmed or suspected sepsis. Ceftazidime has been used successfully in clinical trials as empiric therapy in cases where various concomitant therapies with other antibiotics have been used.

Fortaz may also be used concomitantly with other antibiotics, such as aminoglycosides, vancomycin, and clindamycin; in severe and life-threatening infections; and in the immunocompromised patient. When such concomitant treatment is appropriate, prescribing information in the labeling for the other antibiotics should be followed. The dose depends on the severity of the infection and the patient's condition.

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

Fortaz is contraindicated in patients who have shown hypersensitivity to ceftazidime or the cephalosporin group of antibiotics.

Warnings

BEFORE THERAPY WITH Fortaz IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO CEFTAZIDIME, CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS. IF THIS PRODUCT IS TO BE GIVEN 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 Fortaz OCCURS, DISCONTINUE THE DRUG. SERIOUS ACUTE HYPERSENSITIVITY REACTIONS MAY REQUIRE TREATMENT WITH EPINEPHRINE AND OTHER EMERGENCY MEASURES, INCLUDING OXYGEN, IV FLUIDS, IV ANTIHISTAMINES, CORTICOSTEROIDS, PRESSOR AMINES, AND AIRWAY MANAGEMENT, AS CLINICALLY INDICATED.

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

Elevated levels of ceftazidime in patients with renal insufficiency can lead to seizures, encephalopathy, coma, asterixis, neuromuscular excitability, and myoclonia (see PRECAUTIONS).

Precautions

General

High and prolonged serum ceftazidime concentrations can occur from usual dosages in patients with transient or persistent reduction of urinary output because of renal insufficiency. The total daily dosage should be reduced when ceftazidime is administered to patients with renal insufficiency (see DOSAGE AND ADMINISTRATION). Elevated levels of ceftazidime in these patients can lead to seizures, encephalopathy, coma, asterixis, neuromuscular excitability, and myoclonia. Continued dosage should be determined by degree of renal impairment, severity of infection, and susceptibility of the causative organisms.

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

Inducible type I beta-lactamase resistance has been noted with some organisms (e.g., Enterobacter spp., Pseudomonas spp., and Serratia spp.). As with other extended-spectrum beta-lactam antibiotics, resistance can develop during therapy, leading to clinical failure in some cases. When treating infections caused by these organisms, periodic susceptibility testing should be performed when clinically appropriate. If patients fail to respond to monotherapy, an aminoglycoside or similar agent should be considered.

Cephalosporins may be associated with a fall in prothrombin activity. Those at risk include patients with renal and hepatic impairment, or poor nutritional state, as well as patients receiving a protracted course of antimicrobial therapy. Prothrombin time should be monitored in patients at risk and exogenous vitamin K administered as indicated.

Fortaz should be prescribed with caution in individuals with a history of gastrointestinal disease, particularly colitis.

Distal necrosis can occur after inadvertent intra-arterial administration of ceftazidime.

Prescribing Fortaz 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 Fortaz, should only be used to treat bacterial infections. They do not treat viral infections (e.g., the common cold). When Fortaz 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 Fortaz 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 2 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

Nephrotoxicity has been reported following concomitant administration of cephalosporins with aminoglycoside antibiotics or potent diuretics such as furosemide. Renal function should be carefully monitored, especially if higher dosages of the aminoglycosides are to be administered or if therapy is prolonged, because of the potential nephrotoxicity and ototoxicity of aminoglycoside antibiotics. Nephrotoxicity and ototoxicity were not noted when ceftazidime was given alone in clinical trials.

Chloramphenicol has been shown to be antagonistic to beta-lactam antibiotics, including ceftazidime, based on in vitro studies and time kill curves with enteric gram-negative bacilli. Due to the possibility of antagonism in vivo, particularly when bactericidal activity is desired, this drug combination should be avoided.

In common with other antibiotics, ceftazidime may affect the gut flora, leading to lower estrogen reabsorption and reduced efficacy of combined oral estrogen/progesterone contraceptives.

Drug/Laboratory Test Interactions

The administration of ceftazidime may result in a false-positive reaction for glucose in the urine when using CLINITEST® tablets, Benedict's solution, or Fehling's solution. It is recommended that glucose tests based on enzymatic glucose oxidase reactions (such as CLINISTIX®) be used.

Carcinogenesis, Mutagenesis, Impairment of Fertility

Long-term studies in animals have not been performed to evaluate carcinogenic potential. However, a mouse micronucleus test and an Ames test were both negative for mutagenic effects.

Pregnancy

Teratogenic Effects

Pregnancy Category B. Reproduction studies have been performed in mice and rats at doses up to 40 times the human dose and have revealed no evidence of impaired fertility or harm to the fetus due to Fortaz. There are, however, no adequate and well-controlled studies 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.

Nursing Mothers

Ceftazidime is excreted in human milk in low concentrations. Caution should be exercised when Fortaz is administered to a nursing woman.

Pediatric Use

See DOSAGE AND ADMINISTRATION.

Geriatric Use

Of the 2,221 subjects who received ceftazidime in 11 clinical studies, 824 (37%) were 65 and older while 391 (18%) were 75 and older. No overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater susceptibility of some older individuals to drug effects cannot be ruled out. This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function (see DOSAGE AND ADMINISTRATION).

Adverse Reactions

Ceftazidime is generally well tolerated. The incidence of adverse reactions associated with the administration of ceftazidime was low in clinical trials. The most common were local reactions following IV injection and allergic and gastrointestinal reactions. Other adverse reactions were encountered infrequently. No disulfiram-like reactions were reported.

The following adverse effects from clinical trials were considered to be either related to ceftazidime therapy or were of uncertain etiology:

Local Effects, reported in fewer than 2% of patients, were phlebitis and inflammation at the site of injection (1 in 69 patients).

Hypersensitivity Reactions, reported in 2% of patients, were pruritus, rash, and fever. Immediate reactions, generally manifested by rash and/or pruritus, occurred in 1 in 285 patients. Toxic epidermal necrolysis, Stevens-Johnson syndrome, and erythema multiforme have also been reported with cephalosporin antibiotics, including ceftazidime. Angioedema and anaphylaxis (bronchospasm and/or hypotension) have been reported very rarely.

Gastrointestinal Symptoms, reported in fewer than 2% of patients, were diarrhea (1 in 78), nausea (1 in 156), vomiting (1 in 500), and abdominal pain (1 in 416). The onset of pseudomembranous colitis symptoms may occur during or after treatment (see WARNINGS).

Central Nervous System Reactions (fewer than 1%) included headache, dizziness, and paresthesia. Seizures have been reported with several cephalosporins, including ceftazidime. In addition, encephalopathy, coma, asterixis, neuromuscular excitability, and myoclonia have been reported in renally impaired patients treated with unadjusted dosing regimens of ceftazidime (see PRECAUTIONS: General).

Less Frequent Adverse Events (fewer than 1%) were candidiasis (including oral thrush) and vaginitis.

Hematologic: Rare cases of hemolytic anemia have been reported.

Laboratory Test Changes noted during clinical trials with Fortaz were transient and included: eosinophilia (1 in 13), positive Coombs test without hemolysis (1 in 23), thrombocytosis (1 in 45), and slight elevations in one or more of the hepatic enzymes, aspartate aminotransferase (AST, SGOT) (1 in 16), alanine aminotransferase (ALT, SGPT) (1 in 15), LDH (1 in 18), GGT (1 in 19), and alkaline phosphatase (1 in 23). As with some other cephalosporins, transient elevations of blood urea, blood urea nitrogen, and/or serum creatinine were observed occasionally. Transient leukopenia, neutropenia, agranulocytosis, thrombocytopenia, and lymphocytosis were seen very rarely.

Postmarketing Experience with Fortaz Products

In addition to the adverse events reported during clinical trials, the following events have been observed during clinical practice in patients treated with Fortaz and were reported spontaneously. For some of these events, data are insufficient to allow an estimate of incidence or to establish causation.

General

Anaphylaxis; allergic reactions, which, in rare instances, were severe (e.g., cardiopulmonary arrest); urticaria; pain at injection site.

Hepatobiliary Tract

Hyperbilirubinemia, jaundice.

Renal and Genitourinary

Renal impairment.

Cephalosporin-Class Adverse Reactions

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

Adverse Reactions

Colitis, toxic nephropathy, hepatic dysfunction including cholestasis, aplastic anemia, hemorrhage.

Altered Laboratory Tests

Prolonged prothrombin time, false-positive test for urinary glucose, pancytopenia.

Overdosage

Ceftazidime overdosage has occurred in patients with renal failure. Reactions have included seizure activity, encephalopathy, asterixis, neuromuscular excitability, and coma. Patients who receive an acute overdosage should be carefully observed and given supportive treatment. In the presence of renal insufficiency, hemodialysis or peritoneal dialysis may aid in the removal of ceftazidime from the body.

Fortaz Dosage and Administration

Dosage

The usual adult dosage is 1 gram administered intravenously or intramuscularly every 8 to 12 hours. The dosage and route should be determined by the susceptibility of the causative organisms, the severity of infection, and the condition and renal function of the patient.

The guidelines for dosage of Fortaz are listed in Table 5. The following dosage schedule is recommended.

Table 5. Recommended Dosage Schedule
*
Although clinical improvement has been shown, bacteriologic cures cannot be expected in patients with chronic respiratory disease and cystic fibrosis.
The higher dose should be reserved for immunocompromised pediatric patients or pediatric patients with cystic fibrosis or meningitis.

Dose

Frequency

Adults

Usual recommended dosage

1 gram IV or IM

q8-12hr

Uncomplicated urinary tract infections

250 mg IV or IM

q12hr

Bone and joint infections

2 grams IV

q12hr

Complicated urinary tract infections

500 mg IV or IM

q8-12hr

Uncomplicated pneumonia; mild skin and skin-structure infections

500 mg-1 gram IV or IM

q8hr

Serious gynecologic and intra-abdominal infections

2 grams IV

q8hr

Meningitis

2 grams IV

q8hr

Very severe life-threatening infections, especially in immunocompromised patients

2 grams IV

q8hr

Lung infections caused by Pseudomonas spp. in patients with cystic fibrosis with normal renal function*

30-50 mg/kg IV to a maximum of 6 grams per day

q8hr

Neonates (0-4 weeks)

30 mg/kg IV

q12hr

Infants and children

(1 month-12 years)

30-50 mg/kg IV to a maximum of 6 grams per day

q8hr

Impaired Hepatic Function

No adjustment in dosage is required for patients with hepatic dysfunction.

Impaired Renal Function

Ceftazidime is excreted by the kidneys, almost exclusively by glomerular filtration. Therefore, in patients with impaired renal function (glomerular filtration rate [GFR] <50 mL/min), it is recommended that the dosage of ceftazidime be reduced to compensate for its slower excretion. In patients with suspected renal insufficiency, an initial loading dose of 1 gram of Fortaz may be given. An estimate of GFR should be made to determine the appropriate maintenance dosage. The recommended dosage is presented in Table 6.

Table 6. Recommended Maintenance Dosages of Fortaz in Renal Insufficiency

NOTE: IF THE DOSE RECOMMENDED IN Table 5 ABOVE IS LOWER THAN THAT RECOMMENDED FOR PATIENTS WITH RENAL INSUFFICIENCY AS OUTLINED IN Table 6, THE LOWER DOSE SHOULD BE USED.

Creatinine Clearance (mL/min)

Recommended Unit Dose

of Fortaz

Frequency of Dosing

50-31

1 gram

q12hr

30-16

1 gram

q24hr

15-6

500 mg

q24hr

<5

500 mg

q48hr

When only serum creatinine is available, the following formula (Cockcroft's equation)5 may be used to estimate creatinine clearance. The serum creatinine should represent a steady state of renal function:

Males: Creatinine clearance (mL/min) =

Weight (kg) x (140 - age)

72 x serum creatinine (mg/dL)

Females: 0.85 x male value

In patients with severe infections who would normally receive 6 grams of Fortaz daily were it not for renal insufficiency, the unit dose given in the table above may be increased by 50% or the dosing frequency may be increased appropriately. Further dosing should be determined by therapeutic monitoring, severity of the infection, and susceptibility of the causative organism.

In pediatric patients as for adults, the creatinine clearance should be adjusted for body surface area or lean body mass, and the dosing frequency should be reduced in cases of renal insufficiency.

In patients undergoing hemodialysis, a loading dose of 1 gram is recommended, followed by 1 gram after each hemodialysis period.

Fortaz can also be used in patients undergoing intraperitoneal dialysis and continuous ambulatory peritoneal dialysis. In such patients, a loading dose of 1 gram of Fortaz may be given, followed by 500 mg every 24 hours. In addition to IV use, Fortaz can be incorporated in the dialysis fluid at a concentration of 250 mg for 2 L of dialysis fluid.

Note: Generally Fortaz should be continued for 2 days after the signs and symptoms of infection have disappeared, but in complicated infections longer therapy may be required.

Administration

Fortaz may be given intravenously or by deep IM injection into a large muscle mass such as the upper outer quadrant of the gluteus maximus or lateral part of the thigh. Intra-arterial administration should be avoided (see PRECAUTIONS).

Intramuscular Administration

For IM administration, Fortaz should be constituted with one of the following diluents: Sterile Water for Injection, Bacteriostatic Water for Injection, or 0.5% or 1% Lidocaine Hydrochloride Injection. Refer to Table 7.

Intravenous Administration

The IV route is preferable for patients with bacterial septicemia, bacterial meningitis, peritonitis, or other severe or life-threatening infections, or for patients who may be poor risks because of lowered resistance resulting from such debilitating conditions as malnutrition, trauma, surgery, diabetes, heart failure, or malignancy, particularly if shock is present or pending.

For direct intermittent IV administration, constitute Fortaz as directed in Table 7 with Sterile Water for Injection. Slowly inject directly into the vein over a period of 3 to 5 minutes or give through the tubing of an administration set while the patient is also receiving one of the compatible IV fluids (see COMPATIBILITY AND STABILITY).

For IV infusion, constitute the 500-mg, 1-gram, or 2-gram vial and add an appropriate quantity of the resulting solution to an IV container with one of the compatible IV fluids listed under the COMPATIBILITY AND STABILITY section.

Intermittent IV infusion with a Y-type administration set can be accomplished with compatible solutions. However, during infusion of a solution containing ceftazidime, it is desirable to discontinue the other solution.

TwistVialTM vials are to be constituted only with 50 or 100 mL of 5% Dextrose Injection, 0.9% Sodium Chloride Injection, or 0.45% Sodium Chloride Injection in compatible flexible diluent containers (see Instructions for Constitution). TwistVialTM vials that have been joined to compatible diluent containers and activated to dissolve the drug are stable for 12 hours at room temperature or for 3 days under refrigeration. Joined vials that have not been activated may be used within a 14-day period; this period corresponds to that for use of compatible diluent containers following removal of the outer packaging (overwrap).

Freezing solutions of Fortaz is not recommended.

Table 7. Preparation of Solutions of Fortaz
*
To obtain a dose of 500 mg, withdraw 5.0 mL from the vial following reconstitution.
To obtain a dose of 1 g, withdraw 10.0 mL from the vial following reconstitution.
To obtain a dose of 2 g, withdraw 11.5 mL from the vial following reconstitution.

Size

Amount of Diluent to be Added

(mL)

Approximate Available Volume

(mL)

Approximate Ceftazidime Concentration

(mg/mL)

Intramuscular

500-mg vial

1.5

1.8

280

1-gram vial

3.0

3.6

280

Intravenous

500-mg vial

5.3

5.7*

100

1-gram vial

10.0

10.8

100

2-gram vial

10.0

11.5

170

Pharmacy bulk package

6-gram vial

26

30

200

All vials of Fortaz as supplied are under reduced pressure. When Fortaz is dissolved, carbon dioxide is released and a positive pressure develops. For ease of use please follow the recommended techniques of constitution described on the detachable Instructions for Constitution section of this insert.

Solutions of Fortaz, like those of most beta-lactam antibiotics, should not be added to solutions of aminoglycoside antibiotics because of potential interaction.

However, if concurrent therapy with Fortaz and an aminoglycoside is indicated, each of these antibiotics can be administered separately to the same patient.

Directions for Use of Fortaz Frozen in Galaxy® Plastic Containers

Fortaz supplied as a frozen, sterile, iso-osmotic, nonpyrogenic solution in plastic containers is to be administered after thawing either as a continuous or intermittent IV infusion. The thawed solution is stable for 8 hours at room temperature or for 3 days if stored under refrigeration. Do not refreeze.

Thaw container at room temperature (25°C) or under refrigeration (5°C). Do not force thaw by immersion in water baths or by microwave irradiation. Components of the solution may precipitate in the frozen state and will dissolve upon reaching room temperature with little or no agitation. Potency is not affected. Mix after solution has reached room temperature. Check for minute leaks by squeezing bag firmly. Discard bag if leaks are found as sterility may be impaired. Do not add supplementary medication. Do not use unless solution is clear and seal is intact.

Use sterile equipment.

Caution

Do not use plastic containers in series connections. Such use could result in air embolism due to residual air being drawn from the primary container before administration of the fluid from the secondary container is complete.

Preparation for Administration

1.
Suspend container from eyelet support.
2.
Remove protector from outlet port at bottom of container.
3.
Attach administration set. Refer to complete directions accompanying set.

COMPATIBILITY AND STABILITY

Intramuscular

Fortaz, when constituted as directed with Sterile Water for Injection, Bacteriostatic Water for Injection, or 0.5% or 1% Lidocaine Hydrochloride Injection, maintains satisfactory potency for 12 hours at room temperature or for 3 days under refrigeration. Solutions in Sterile Water for Injection that are frozen immediately after constitution in the original container are stable for 3 months when stored at -20°C. Once thawed, solutions should not be refrozen. Thawed solutions may be stored for up to 3 hours at room temperature or for 3 days in a refrigerator.

Intravenous

Fortaz, when constituted as directed with Sterile Water for Injection, maintains satisfactory potency for 12 hours at room temperature or for 3 days under refrigeration. Solutions in 0.9% Sodium Chloride Injection in VIAFLEX® small-volume containers that are frozen immediately after constitution are stable for 3 months when stored at -20°C. Do not force thaw by immersion in water baths or by microwave irradiation. Once thawed, solutions should not be refrozen. Thawed solutions may be stored for up to 12 hours at room temperature or for 3 days in a refrigerator. More concentrated solutions in Sterile Water for Injection in the original container that are frozen immediately after constitution are stable for 3 months when stored at -20°C. Once thawed, solutions should not be refrozen. Thawed solutions may be stored for up to 8 hours at room temperature or for 3 days in a refrigerator.

Fortaz is compatible with the more commonly used IV infusion fluids. Solutions at concentrations between 1 and 40 mg/mL in 0.9% Sodium Chloride Injection; 1/6 M Sodium Lactate Injection; 5% Dextrose Injection; 5% Dextrose and 0.225% Sodium Chloride Injection; 5% Dextrose and 0.45% Sodium Chloride Injection; 5% Dextrose and 0.9% Sodium Chloride Injection; 10% Dextrose Injection; Ringer's Injection, USP; Lactated Ringer's Injection, USP; 10% Invert Sugar in Water for Injection; and NORMOSOL®-M in 5% Dextrose Injection may be stored for up to 12 hours at room temperature or for 3 days if refrigerated.

The 1- and 2-g Fortaz TwistVialTM vials, when diluted in 50 or 100 mL of 5% Dextrose Injection, 0.9% Sodium Chloride Injection, or 0.45% Sodium Chloride Injection, may be stored for up to 12 hours at room temperature or for 3 days under refrigeration.

Fortaz is less stable in Sodium Bicarbonate Injection than in other IV fluids. It is not recommended as a diluent. Solutions of Fortaz in 5% Dextrose Injection and 0.9% Sodium Chloride Injection are stable for at least 6 hours at room temperature in plastic tubing, drip chambers, and volume control devices of common IV infusion sets.

Ceftazidime at a concentration of 4 mg/mL has been found compatible for 12 hours at room temperature or for 3 days under refrigeration in 0.9% Sodium Chloride Injection or 5% Dextrose Injection when admixed with: cefuroxime sodium (ZINACEF®) 3 mg/mL, heparin 10 or 50 U/mL, or potassium chloride 10 or 40 mEq/L.

Vancomycin solution exhibits a physical incompatibility when mixed with a number of drugs, including ceftazidime. The likelihood of precipitation with ceftazidime is dependent on the concentrations of vancomycin and ceftazidime present. It is therefore recommended, when both drugs are to be administered by intermittent IV infusion, that they be given separately, flushing the IV lines (with 1 of the compatible IV fluids) between the administration of these 2 agents.

Note: Parenteral drug products should be inspected visually for particulate matter before administration whenever solution and container permit.

As with other cephalosporins, Fortaz powder, as well as solutions, tend to darken depending on storage conditions; within the stated recommendations, however, product potency is not adversely affected.

How is Fortaz Supplied

Fortaz in the dry state should be stored between 15° and 30°C (59° and 86°F) and protected from light. Fortaz is a dry, white to off-white powder supplied in vials as follows:

NDC 24987-377-10     500-mg* Vial (Tray of 10)
NDC 24987-378-10     1-g* Vial (Tray of 10)
NDC 24987-379-34     2-g* Vial (Tray of 10)
NDC 24987-382-37     6-g* Pharmacy Bulk Package (Tray of 6)
NDC 24987-434-00     1-g TwistVialTM Vial (Tray of 25)
NDC 24987-435-00     2-g TwistVialTM Vial (Tray of 10)

(The above TwistVialTM vials are to be used only with compatible diluent containers.)

Fortaz frozen as a premixed solution of ceftazidime sodium should not be stored above -20°C. Fortaz is supplied frozen in 50-mL, single-dose, plastic containers as follows:

NDC 24987-412-00     1-g* Plastic Container (Carton of 24)
NDC 24987-413-00     2-g* Plastic Container (Carton of 24)

*Equivalent to anhydrous ceftazidime.

REFERENCES

1.
Clinical and Laboratory Standards Institute (CLSI). Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria that Grow Aerobically; Approved Standard - Ninth Edition. CLSI document M07-A9, Clinical and Laboratory Standards Institute, 950 West Valley Road, Suite 2500, Wayne, Pennsylvania 19087, USA, 2012.
2.
Clinical and Laboratory Standards Institute (CLSI). Performance Standards for Antimicrobial Susceptibility Testing; Twenty-fourth Informational Supplement, CLSI document M100-S24. Clinical and Laboratory Standards Institute, 950 West Valley Road, Suite 2500, Wayne, Pennsylvania 19087, USA, 2014.
3.
Clinical and Laboratory Standards Institute (CLSI). Performance Standards for Antimicrobial Disk Diffusion Susceptibility Tests; Approved Standard – Eleventh Edition CLSI document M02-A11, Clinical and Laboratory Standards Institute, 950 West Valley Road, Suite 2500, Wayne, Pennsylvania 19087, USA, 2012.
4.
Clinical and Laboratory Standards Institute (CLSI). Methods for Antimicrobial Susceptibility Testing of Anaerobic Bacteria; Approved Standard - Eight Edition. CLSI document M11-A8. Clinical and Laboratory Standards Institute, 950 West Valley Road, Suite 2500, Wayne, PA 19087 USA, 2012.
5.
Cockcroft DW, Gault MH. Prediction of creatinine clearance from serum creatinine. Nephron. 1976;16:31‑41.

Fortaz® (ceftazidime for injection):
Distributed by Covis Pharmaceuticals, Inc.
Cary, NC 27511
Manufactured by GlaxoSmithKline Verona, Italy 37135

Fortaz® (ceftazidime injection):
Distributed by Covis Pharmaceuticals, Inc.
Cary, NC 27511
Manufactured by Baxter Healthcare Corporation
Deerfield, IL 60015

Fortaz and ZINACEF are registered trademarks of GlaxoSmithKline.

CLINITEST and CLINISTIX are registered trademarks of Ames Division, Miles Laboratories, Inc.

GALAXY and VIAFLEX are registered trademarks of Baxter International Inc.

TWISTVIAL is a trademark of Covis Pharmaceuticals, Inc.

Covis Pharmaceuticals, Inc.
Cary, NC 27511

August 2014

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

TEAR AWAY

Fortaz®

(ceftazidime for injection)

Instructions for Constitution

Vials: 500 mg IM/IV, 1 g IM/IV, 2 g IV

1.
Insert the syringe needle through the vial closure and inject the recommended volume of diluent. The vacuum may assist entry of the diluent. Remove the syringe needle.
2.
Shake to dissolve; a clear solution will be obtained in 1 to 2 minutes.
3.
Invert the vial. Ensuring that the syringe plunger is fully depressed, insert the needle through the vial closure and withdraw the total volume of solution into the syringe (the pressure in the vial may aid withdrawal). Ensure that the needle remains within the solution and does not enter the headspace. The withdrawn solution may contain some bubbles of carbon dioxide.

Note: As with the administration of all parenteral products, accumulated gases should be expressed from the syringe immediately before injection of Fortaz.

TwistVialTM Vials: 1 g, 2 g

To Open Diluent Container:

Peel the corner of the diluent overwrap and remove flexible diluent container. Some opacity of the plastic flexible container due to moisture absorption during the sterilization process may be observed. This is normal and does not affect the solution quality or safety. The opacity will diminish gradually.

To Assemble Vial and Flexible Diluent Container (Use Aseptic Technique):

1. Remove the protective covers from the top of the vial and the vial port on the diluent container as follows:

a.  To remove the breakaway vial cap, swing the pull ring over the top of the vial and pull down far enough to start the opening (see Figure 1), then pull straight up to remove the cap (see Figure 2).

Note: Once the breakaway cap has been removed, do not access vial with syringe.

Figure 1

Figure 2

b.  To remove the vial port cover, grasp the tab on the pull ring, pull up to break the three tie strings, then pull back to remove the cover (see Figure 3).

2.  Screw the vial into the vial port until it will go no further. THE VIAL MUST BE SCREWED IN TIGHTLY TO ASSURE A SEAL. This occurs approximately one-half turn (180°) after the first audible click (see Figure 4). The clicking sound does not assure a seal; the vial must be turned as far as it will go.

Note: Once vial is seated, do not attempt to remove (see Figure 4).

Figure 3

Figure 4

3.  Recheck the vial to assure that it is tight by trying to turn it further in the direction of assembly.

4.  Label appropriately.

To Prepare Admixture:

1.  Squeeze the bottom of the diluent container gently to inflate the portion of the container surrounding the end of the drug vial.

2.  With the other hand, push the drug vial down into the container, telescoping the walls of the container. Grasp the inner cap of the vial through the walls of the container (see Figure 5).

3.  Pull the inner cap from the drug vial (see Figure 6). Verify that the rubber stopper has been pulled out, allowing the drug and diluent to mix.

Figure 5

Figure 6

4.  Mix container contents thoroughly and use within the specified time.

Preparation for Administration (Use Aseptic Technique):

1.  Confirm the activation and admixture of vial contents.

2.  Check for leaks by squeezing container firmly. If leaks are found, discard unit as sterility may be impaired.

3.  Close flow control clamp of administration set.

4.  Remove cover from outlet port at bottom of container.

5.  Insert piercing pin of administration set into port with a twisting motion until the pin is firmly seated.

Note: See full directions on administration set carton.

6.  Lift the free end of the hanger loop on the bottom of the vial, breaking the two tie strings. Bend the loop outward to lock it in the upright position, then suspend container from hanger.

7.  Squeeze and release drip chamber to establish proper fluid level in chamber.

8.  Open flow control clamp and clear air from set. Close clamp.

9.  Attach set to venipuncture device. If device is not indwelling, prime and make venipuncture.

10. Regulate rate of administration with flow control clamp.

WARNING: Do not use flexible container in series connections.

Pharmacy Bulk Package: 6 g

1.  Insert the syringe needle through the vial closure and inject 26 mL of diluent. The vacuum may assist entry of the diluent. Remove the syringe needle.

2.  Shake to dissolve; a clear solution containing approximately 1 g of ceftazidime activity per 5 mL will be obtained in 1 to 2 minutes.

3.  Insert a gas-relief needle through the vial closure to relieve the internal pressure. Remove the gas-relief needle before extracting any solution.

Note: To preserve product sterility, it is important that a gas‑relief needle is not inserted through the vial closure before the product has dissolved.

Covis Pharmaceuticals, Inc.
Cary, NC 27511

August 2014

Principal Display Panel - 500 mg Vial

500 mg Vial

NDC 24987-377-10

Fortaz®

(ceftazidime for injection)

500 mg

Equivalent to 500 mg of ceftazidime.

For IM or IV use.

Rx only

See prescribing information for Dosage and Administration. Before constitution, store between 15o and 30oC (59o and 86oF) and protect from light.

IMPORTANT: The vial is under reduced pressure. Addition of diluent generates a positive pressure. Before constituting, see Instructions for Constitution. After constitution, solutions maintain potency for 12 hours at room temperature (not exceeding 25oC [77oF]) or for 3 days under refrigeration. Constituted solutions in Sterile Water for Injection may be frozen. See prescribing information for details. Color changes do not affect potency. This vial contains 59 mg of sodium carbonate. The sodium content is approximately 27 mg (1.2 mEq).

Dist. by Covis Pharmaceuticals, Inc.

Made in England

100035
Rev. 5/12
10000000103509

LOT
EXP
10000000103509

Principal Display Panel 1 gram Vial

1 gram Vial

NDC 24987-378-10

Fortaz®

(ceftazidime for injection)

1 g

Equivalent to 1 g of ceftazidime.

For IM or IV use.

Rx only

See prescribing information for Dosage and Administration. Before constitution, store between 15o and 30oC (59o and 86oF) and protect from light.

IMPORTANT: The vial is under reduced pressure. Addition of diluent generates a positive pressure. Before constituting, see Instructions for Constitution. After constitution, solutions maintain potency for 12 hours at room temperature (not exceeding 25oC [77oF]) or for 3 days under refrigeration. Constituted solutions in Sterile Water for Injection may be frozen. See prescribing information for details. Color changes do not affect potency. This vial contains 118 mg of sodium carbonate. The sodium content is approximately 54 mg (2.3 mEq).

Dist. by Covis Pharmaceuticals, Inc.

Made in England

Rev. 5/12

100037
10000000103726

LOT
EXP
10000000103726

Principal Display Panel - 2 gram Vial

2 gram Vial

NDC 24987-379-34

Fortaz®

(ceftazidime for injection)

2 g

Equivalent to 2 g of ceftazidime.

For IV use.

Rx only

See prescribing information for Dosage and Administration. Before constitution, store between 15o and 30oC (59o and 86oF) and protect from light.

IMPORTANT: The vial is under reduced pressure. Addition of diluent generates a positive pressure. Before constituting, see Instructions for Constitution. To prepare IV solution, add 10 mL of Sterile Water for Injection. After constitution, solutions maintain potency for 12 hours at room temperature (not exceeding 25oC [77oF]) or for 3 days under refrigeration. Constituted solutions in Sterile Water for Injection may be frozen. See prescribing information for details. Color changes do not affect potency. This vial contains 236 mg of sodium carbonate. The sodium content is approximately 108 mg (4.7 mEq).

Dist. by Covis Pharmaceuticals, Inc.

Made in England

100031
Rev. 5/12
10000000103587

LOT
EXP
10000000103587

Principal Display Panel - 6 gram Pharmacy Bulk Package

6 gram Pharmacy Bulk Package

NDC 24987-382-37

Fortaz®

(ceftazidime for injection)

6 g

Equivalent to 6 g of ceftazidime.

Pharmacy Bulk Package

Rx only

See package insert for Dosage and Administration.

Before constitution, store between 15o and 30oC (59o and 86oF) and protect from light.

IMPORTANT: The vial is under reduced pressure. Addition of diluent generates a positive pressure. Before constituting, see Instructions for Constitution.

To prepare solution, add 26 mL of Sterile Water for Injection. Shake well to dissolve. The constituted solution occupies a volume of about 31.5 mL and contains approximately 1 g of ceftazidime activity per 5 mL.

After constitution, solutions maintain potency for 12 hours at room temperature (not exceeding 25oC [77oF]) or for 3 days under refrigeration. Color changes do not affect potency. This vial contains 709 mg of sodium carbonate. The sodium content is approximately 54 mg (2.3 mEq) per gram of ceftazidime.

Dist. by Covis Pharmaceuticals, Inc.
Cary, NC 27511
Made in England

10000000103768
100039
Rev. 5/12

LOT
EXP

Principal Display Panel - 1 gram TwistVialTM Vial

1 gram TwistVialTM Vial

NDC 24987-434-00

Fortaz®

(ceftazidime for injection)

TwistVialTM

1 g

Equivalent to 1 g of ceftazidime.

For IV use.

Rx only

See prescribing information for Dosage and Administration and Instructions for Constitution.

Before constitution, store between 15o and 30oC (59o and 86oF) and protect from light.

Color changes do not affect potency. This vial contains 118 mg of sodium carbonate. The sodium content is approximately 54 mg (2.3 mEq).

Distributed by:
Covis Pharmaceuticals, Inc.
Cary, NC 27511
Made in England
Rev. 4/12

100001

10000000103171

LOT

EXP

Principal Display Panel - 2 gram TwistVialTM Vial

2 gram TwistVialTM Vial

NDC 24987-435-00

Fortaz®

(ceftazidime for injection)

TwistVialTM

2 g

Equivalent to 2 g of ceftazidime.

For IV use.

Rx only

See prescribing information for Dosage and Administration and Instructions for Constitution.

Before constitution, store between 15o and 30oC (59o and 86oF) and protect from light.

Color changes do not affect potency. This vial contains 236 mg of sodium carbonate. The sodium content is approximately 108 mg (4.7 mEq).

Distributed by:
Covis Pharmaceuticals, Inc.
Cary, NC 27511
Made in England
Rev. 4/12

100004

10000000103176

LOT

EXP

Principal Display Panel - 1 gram Single-Dose Container Label

1 gram Single-Dose Container Label

Fortaz® (ceftazidime injection)

12 - 50 mL Single-Dose Containers ISO-osmotic

Do Not Store Above -20oC. Do Not Refreeze.

1 g

Covis Pharmaceuticals, Inc.
Cary, NC 27511

COVIS

NDC 24987-412-00
Code 2G3535

(01) 20324987412002

GALAXY Container

Each 50 mL contains: ceftazidime sodium equivalent to 1 g of ceftazidime with approx. 2.2 g of Dextrose Hydrous, USP added to adjust osmolality. pH adjusted with sodium hydroxide and may have been adjusted with hydrochloric acid. pH 5.0 to 7.5.

Dosage: Intravenously as directed by a physician. See prescribing information.

Cautions: Do not add supplementary medication. Must not be used in series connections. Check for minute leaks by squeezing thawed bag firmly. If leaks are found, discard bag as sterility may be impaired. Do not use unless solution is clear.

Rx only

Sterile, Nonpyrogenic

Do not store above -20oC. Thaw at room temperature (25oC) or under refrigeration (5oC). DO NOT FORCE THAW BY IMMERSION IN WATER BATHS OR BY MICROWAVE IRRADIATION. Thawed solution is stable for 3 days under refrigeration or 8 hours at room temperature. Do not refreeze.

Fortaz is a registered trademark of GlaxoSmithKline

GALAXY is a trademark of Baxter International Inc.

Distributed by Covis Pharmaceuticals, Inc., Cary, NC 27511

Manufactured by Baxter Healthcare Corporation, Deerfield, IL 60015 USA

PL 2040 Plastic

Made in England

100012

07-04-68-558

Rev. 5/12

Principal Display Panel - 2 gram Single-Dose Container Label

2 gram Single-Dose Container Label

Fortaz® (ceftazidime injection)

12 - 50 mL Single-Dose Containers ISO-osmotic

Do Not Store Above -20oC. Do Not Refreeze.

2 g

Covis Pharmaceuticals, Inc.
Cary, NC 27511

COVIS

NDC 24987-413-00
Code 2G3536

(01) 20324987413009

GALAXY Container

Each 50 mL contains: ceftazidime sodium equivalent to 2 g of ceftazidime with approx. 1.6 g of Dextrose Hydrous, USP added to adjust osmolality. pH adjusted with sodium hydroxide and may have been adjusted with hydrochloric acid. pH 5.0 to 7.5.

Dosage: Intravenously as directed by a physician. See prescribing information.

Cautions: Do not add supplementary medication. Must not be used in series connections. Check for minute leaks by squeezing thawed bag firmly. If leaks are found, discard bag as sterility may be impaired. Do not use unless solution is clear.

Rx only

Sterile, Nonpyrogenic

Do not store above -20oC. Thaw at room temperature (25oC) or under refrigeration (5oC). DO NOT FORCE THAW BY IMMERSION IN WATER BATHS OR BY MICROWAVE IRRADIATION. Thawed solution is stable for 3 days under refrigeration or 8 hours at room temperature. Do not refreeze.

Fortaz is a registered trademark of GlaxoSmithKline

GALAXY is a trademark of Baxter International Inc.

Distributed by Covis Pharmaceuticals, Inc., Cary, NC 27511

Manufactured by Baxter Healthcare Corporation, Deerfield, IL 60015 USA

PL 2040 Plastic

Made in England

100014

07-04-68-559

Rev. 5/12

Fortaz 
ceftazidime injection, powder, for solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-377
Route of Administration INTRAMUSCULAR, INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 100 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
SODIUM CARBONATE  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-377-10 10 VIAL, SINGLE-DOSE in 1 TRAY
1 17 mL in 1 VIAL, SINGLE-DOSE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050578 12/14/2012
Fortaz 
ceftazidime injection, powder, for solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-378
Route of Administration INTRAMUSCULAR, INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 100 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
SODIUM CARBONATE  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-378-10 10 VIAL, SINGLE-DOSE in 1 TRAY
1 26 mL in 1 VIAL, SINGLE-DOSE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050578 12/14/2012
Fortaz 
ceftazidime injection, powder, for solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-379
Route of Administration INTRAMUSCULAR, INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 170 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
SODIUM CARBONATE  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-379-34 10 VIAL, SINGLE-DOSE in 1 TRAY
1 60 mL in 1 VIAL, SINGLE-DOSE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050578 12/14/2012
Fortaz 
ceftazidime injection, powder, for solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-382
Route of Administration INTRAMUSCULAR, INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 200 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
SODIUM CARBONATE  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-382-37 6 VIAL, PHARMACY BULK PACKAGE in 1 TRAY
1 127 mL in 1 VIAL, PHARMACY BULK PACKAGE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050578 12/14/2012
Fortaz 
ceftazidime injection, powder, for solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-434
Route of Administration INTRAMUSCULAR, INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 56 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
SODIUM CARBONATE  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-434-00 25 VIAL in 1 TRAY
1 18 mL in 1 VIAL
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050578 12/14/2012
Fortaz 
ceftazidime injection, powder, for solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-435
Route of Administration INTRAMUSCULAR, INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 111 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
SODIUM CARBONATE  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-435-00 10 VIAL in 1 TRAY
1 18 mL in 1 VIAL
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050578 12/14/2012
Fortaz 
ceftazidime sodium injection, solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-412
Route of Administration INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 20 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
DEXTROSE  
SODIUM HYDROXIDE  
HYDROCHLORIC ACID  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-412-00 24 CONTAINER in 1 CARTON
1 50 mL in 1 CONTAINER
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050634 04/15/2013
Fortaz 
ceftazidime sodium injection, solution
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:24987-413
Route of Administration INTRAVENOUS DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CEFTAZIDIME (CEFTAZIDIME ANHYDROUS) CEFTAZIDIME ANHYDROUS 40 mg  in 1 mL
Inactive Ingredients
Ingredient Name Strength
DEXTROSE  
SODIUM HYDROXIDE  
HYDROCHLORIC ACID  
Product Characteristics
Color YELLOW (light yellow to amber) Score     
Shape Size
Flavor Imprint Code
Contains         
Packaging
# Item Code Package Description
1 NDC:24987-413-00 24 CONTAINER in 1 CARTON
1 50 mL in 1 CONTAINER
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA050634 04/15/2013
Labeler - Covis Pharmaceuticals, Inc. (969968986)
Establishment
Name Address ID/FEI Operations
Baxter Healthcare Corporation 194684502 MANUFACTURE(24987-412, 24987-413), PACK(24987-412, 24987-413)
Revised: 10/2014
 
Covis Pharmaceuticals, Inc.
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