Teflaro®(ceftaroline fosamil)
Teflaro (ceftaroline fosamil) is a broad-spectrum bactericidal IV cephalosporin
with activity against both gram-positive and gram-negative microorganisms. It was
approved by the U.S. Food and Drug Administration in 2010 for the treatment of community-acquired
bacterial pneumonia (CABP), caused by susceptible isolates of the
following Gram-positive and Gram-negative microorganisms: Streptococcus pneumoniae
(including cases with concurrent bacteremia), Staphylococcus aureus (methicillin-susceptible
isolates only), Haemophilus influenzae, Klebsiella pneumoniae, Klebsiella
oxytoca, and Escherichia coli. It is also approved for the treatment
of acute bacterial skin and skin structure infections (ABSSSI), caused by susceptible
isolates of the following Gram-positive and Gram-negative microorganisms: Staphylococcus
aureus (including methicillin-susceptible and -resistant isolates), Streptococcus
pyogenes, Streptococcus agalactiae, Escherichia coli,
Klebsiella pneumoniae, and Klebsiella oxytoca.
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INDICATIONS AND USAGE
- TEFLARO is indicated for the treatment of community-acquired bacterial pneumonia
(CABP) caused by susceptible isolates of the following Gram-positive and Gram-negative
microorganisms: Streptococcus pneumoniae (including cases with concurrent
bacteremia), Staphylococcus aureus (methicillin-susceptible isolates only),
Haemophilus influenzae, Klebsiella pneumoniae, Klebsiella oxytoca,
and Escherichia coli.
- TEFLARO is also indicated for the treatment of acute bacterial skin and skin
structure infections (ABSSSI) caused by susceptible isolates of the following
Gram-positive and Gram-negative microorganisms: Staphylococcus aureus (including
methicillin-susceptible and -resistant isolates), Streptococcus pyogenes,
Streptococcus agalactiae, Escherichia coli, Klebsiella pneumoniae,
and Klebsiella oxytoca.
- To reduce the development of drug-resistant bacteria and maintain the effectiveness
of TEFLARO and other antibacterial drugs, TEFLARO should be used to treat only ABSSSI
or CABP that are proven or strongly suspected to be caused by susceptible bacteria.
Appropriate specimens for microbiological examination should be obtained in order
to isolate and identify the causative pathogens and to determine their susceptibility
to ceftaroline. 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.
IMPORTANT SAFETY INFORMATION
Contraindications
- TEFLARO is contraindicated in patients with known serious hypersensitivity to ceftaroline
or other members of the cephalosporin class. Anaphylaxis and anaphylactoid reactions
have been reported with ceftaroline.
Warnings and Precautions
Hypersensitivity Reactions
- Serious and occasionally fatal hypersensitivity (anaphylactic) reactions and serious
skin reactions have been reported with beta-lactam antibacterials. Before therapy
with TEFLARO is instituted, careful inquiry about previous hypersensitivity reactions
to other cephalosporins, penicillins, or carbapenems should be made. If this product
is to be given to a penicillin- or other beta-lactam-allergic patient, caution should
be exercised because cross sensitivity among beta-lactam antibacterial agents has
been clearly established.
- If an allergic reaction to TEFLARO occurs, the drug should be discontinued. Serious
acute hypersensitivity (anaphylactic) reactions require emergency treatment with
epinephrine and other emergency measures that may include airway management, oxygen,
intravenous fluids, antihistamines, corticosteroids, and vasopressors as clinically
indicated.
Clostridium difficile-associated Diarrhea
- Clostridium difficile-associated diarrhea (CDAD) has been reported for nearly
all systemic antibacterial agents, including TEFLARO, and may range in severity
from mild diarrhea to fatal colitis. Careful medical history is necessary because
CDAD has been reported to occur more than 2 months after the administration of antibacterial
agents. If CDAD is suspected or confirmed, antibacterials not directed against C.
difficile should be discontinued, if possible.
Direct Coombs’ Test Seroconversion
- Seroconversion from a negative to a positive direct Coombs’ test result occurred
in 120/1114 (10.8%) of patients receiving TEFLARO and 49/1116 (4.4%) of patients
receiving comparator drugs in the four pooled Phase 3 trials. No adverse reactions
representing hemolytic anemia were reported in any treatment group. If anemia develops
during or after treatment with TEFLARO, drug-induced hemolytic anemia should be
considered. If drug-induced hemolytic anemia is suspected, discontinuation of TEFLARO
should be considered and supportive care should be administered to the patient if
clinically indicated.
Development of Drug-Resistant Bacteria
- Prescribing TEFLARO in the absence of a proven or strongly suspected bacterial infection
is unlikely to provide benefit to the patient and increases the risk of the development
of drug-resistant bacteria.
Adverse Reactions
- In the four pooled Phase 3 clinical trials, serious adverse events occurred in 98/1300
(7.5%) of patients receiving TEFLARO and 100/1297 (7.7%) of patients receiving comparator
drugs. Treatment discontinuation due to adverse events occurred in 35/1300 (2.7%)
of patients receiving TEFLARO and 48/1297 (3.7%) of patients receiving comparator
drugs with the most common adverse events leading to discontinuation being hypersensitivity
for both treatment groups at a rate of 0.3% in the TEFLARO group and 0.5% in the
comparator group.
- No adverse reactions occurred in greater than 5% of patients receiving TEFLARO.
The most common adverse reactions occurring in >2% of patients receiving TEFLARO
in the pooled Phase 3 clinical trials were diarrhea, nausea, and rash.
Drug Interactions
- No clinical drug-drug interaction studies have been conducted with TEFLARO. There
is minimal potential for drug-drug interactions between TEFLARO and CYP450 substrates,
inhibitors, or inducers; drugs known to undergo active renal secretion; and drugs
that may alter renal blood flow.
Use in Specific Populations
- TEFLARO has not been studied in pregnant women. Therefore, TEFLARO should only be
used during pregnancy if the potential benefit justifies the potential risk to the
fetus.
- It is not known whether ceftaroline is excreted in human milk. Because many drugs
are excreted in human milk, caution should be exercised when TEFLARO is administered
to a nursing woman.
- Safety and effectiveness in pediatric patients have not been established.
- Because elderly patients, those ≥65 years of age, are more likely to have decreased
renal function and ceftaroline is excreted primarily by the kidney, care should
be taken in dose selection in this age group and it may be useful to monitor renal
function. Dosage adjustment for elderly patients should therefore be based on renal
function.
- Dosage adjustment is required in patients with moderate (CrCl >30 to ≤50 mL/min)
or severe (CrCl ≥15 to ≤30 mL/min) renal impairment and in patients with end-stage
renal disease (CrCl <15 mL/min).
- The pharmacokinetics of ceftaroline in patients with hepatic impairment have not
been established.
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