(tye ge SYE kleen)
Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Solution Reconstituted, Intravenous [preservative free]:
Tygacil: 50 mg (1 ea)
Generic: 50 mg (1 ea)
Brand Names: U.S.
- Antibiotic, Glycylcycline
A glycylcycline antibiotic that binds to the 30S ribosomal subunit of susceptible bacteria, thereby, inhibiting protein synthesis. Generally considered bacteriostatic; however, bactericidal activity has been demonstrated against isolates of S. pneumoniae and L. pneumophila. Tigecycline is a derivative of minocycline (9-t-butylglycylamido minocycline), and while not classified as a tetracycline, it may share some class-associated adverse effects. Tigecycline has demonstrated activity against a variety of gram-positive and -negative bacterial pathogens including methicillin-resistant staphylococci.
Vd: Children (8 to 11 years): 2.84 L/kg (range: 0.397 to 11.2 L/kg) (Purdy 2012); Adults: 7 to 9 L/kg; extensive tissue distribution; distributes into gallbladder, lung, and colon
Hepatic, via glucuronidation, N-acetylation, and epimerization to several metabolites, each <10% of the dose
Feces (59%, primarily as unchanged drug); urine (33%, with 22% of the total dose as unchanged drug)
Clearance: Reduced by 25% in patient with moderate hepatic impairment and 55% in severe hepatic impairment.
Single dose: 27 hours; following multiple doses: 42 hours; increased by 23% in moderate hepatic impairment and 43% in severe hepatic impairment
71% to 89%
Use: Labeled Indications
Pneumonia, community-acquired bacterial:
US labeling: Treatment of community-acquired bacterial pneumonia in patients 18 years and older caused by Streptococcus pneumoniae (penicillin-susceptible isolates), including cases with concurrent bacteremia, Haemophilus influenzae, and Legionella pneumophila.
Canadian labeling: Treatment of mild or moderate community-acquired pneumonia in patients 18 years and older caused by S. pneumoniae (penicillin-susceptible isolates), H. influenzae, Mycoplasma pneumoniae, and Chlamydia pneumoniae.
Intra-abdominal infections, complicated: Treatment of complicated intra-abdominal infections in patients 18 years and older caused by Citrobacter freundii, Enterobacter cloacae, Escherichia coli, Klebsiella oxytoca, Klebsiella pneumoniae, Enterococcus faecalis (vancomycin-susceptible isolates), Staphylococcus aureus (methicillin-susceptible and methicillin-resistant isolates [US labeling] or methicillin-susceptible isolates [Canadian labeling]), Streptococcus anginosus group (includes S. anginosus, Streptococcus intermedius, and Streptococcus constellatus), Bacteroides fragilis, Bacteroides thetaiotaomicron, Bacteroides uniformis, Bacteroides vulgatus, Clostridium perfringens, and Peptostreptococcus micros.
Skin and skin structure infections, complicated: Treatment of complicated skin and skin structure infections in patients 18 years and older caused by E. coli, E. faecalis (vancomycin-susceptible isolates), S. aureus (methicillin-susceptible and methicillin-resistant isolates), Streptococcus agalactiae, S. anginosus group (includes S. anginosus, S. intermedius, and S. constellatus) [US labeling] or S. anginosus [Canadian labeling], Streptococcus pyogenes, E. cloacae, K. pneumoniae, and B. fragilis.
Hypersensitivity to tigecycline or any component of the formulation
Documentation of allergenic cross-reactivity for tetracyclines is limited. However, because of similarities in chemical structure and/or pharmacologic actions, the possibility of cross-sensitivity cannot be ruled out with certainty.
Canadian labeling: Additional contraindications (not in U.S. labeling): Hypersensitivity to tetracycline class of antibiotics
Pneumonia, community-acquired: IV: Initial: 100 mg as a single dose; Maintenance dose: 50 mg every 12 hours for 7 to 14 days
Intra-abdominal infections, complicated (cIAI): IV: Initial: 100 mg as a single dose; Maintenance dose: 50 mg every 12 hours for 5 to 14 days; Note: 2010 IDSA guidelines recommend a treatment duration of 4 to 7 days (provided source controlled) for community-acquired, mild-to-moderate IAI
Skin/skin structure infections, complicated: IV: Initial: 100 mg as a single dose; Maintenance dose: 50 mg every 12 hours for 5 to 14 days
Refer to adult dosing.
Children ≥ 8 years and Adolescents: Limited data available: Note: Use should be reserved for situations when no effective alternative therapy is available
General dosing, susceptible infection: IV: Dosing based on data from pharmacokinetic trials.
Children 8 to 11 years: 1.2 mg/kg/dose every 12 hours; maximum dose: 50 mg
Children ≥12 years and Adolescents: 50 mg every 12 hours
Dosing: Renal Impairment
No dosage adjustment necessary.
End-stage renal disease (ESRD) on dialysis: Poorly dialyzed; no supplemental dose or dosage adjustment necessary, including patients on intermittent hemodialysis, peritoneal dialysis, or continuous renal replacement therapy (eg, CVVHD).
Dosing: Hepatic Impairment
Mild-to-moderate hepatic impairment (Child-Pugh class A or B): No dosage adjustment necessary.
Severe hepatic impairment (Child-Pugh class C): Initial: 100 mg single dose; Maintenance: 25 mg every 12 hours.
Add 5.3 mL NS, D5W, or LR to each 50 mg vial. Swirl gently to dissolve. Resulting solution is 10 mg/mL. Reconstituted solution must be further diluted to allow IV administration. Transfer to 100 mL IV bag for infusion (final concentration should not exceed 1 mg/mL). Reconstituted solution should be yellow-orange; discard if not this color.
IV: Infuse over 30 to 60 minutes through dedicated line or via Y-site. If the same IV line is used for sequential infusion of several drugs, flush line with NS, D5W, or LR before and after tigecycline administration.
See Trissel’s IV Compatibility Database
Store intact vials at 20°C to 25°C (68°F to 77°F); excursions are permitted between 15°C and 30°C (59°F and 86°F). Reconstituted solution may be stored at room temperature (not to exceed 25°C [77°F]) for up to 6 hours in the vial or up to 24 hours if further diluted in NS, D5W, or LR. Alternatively, may be stored at 2°C to 8°C (36°F to 46°F) for up to 48 hours following immediate transfer of the reconstituted solution into NS or D5W.
Warfarin: Tigecycline may increase the serum concentration of Warfarin. Monitor therapy
>10%: Gastrointestinal: Nausea (24% to 35%), vomiting (16% to 20%), diarrhea (12%)
1% to 10%:
Cardiovascular: Localized phlebitis (≤3%), septic shock (<2%), thrombophlebitis (<2%)
Central nervous system: Headache (6%), dizziness (3%), chills (<2%)
Dermatologic: Skin rash (3%), pruritus (<2%)
Endocrine & metabolic: Increased amylase (3%), hyponatremia (2%), hypocalcemia (<2%), hypoglycemia (<2%)
Gastrointestinal: Abdominal pain (6%), dyspepsia (2%), abnormal stools (<2%), anorexia (<2%), dysgeusia (<2%)
Genitourinary: Leukorrhea (<2%), vaginitis (<2%), vulvovaginal candidiasis (<2%)
Hematologic & oncologic: Anemia (5%), hypoproteinemia (5%), eosinophilia (<2%), increased INR (<2%), prolonged partial thromboplastin time (<2%), prolonged prothrombin time (<2%), thrombocytopenia (<2%)
Hepatic: Increased serum ALT (5%), increased serum AST (4%), increased serum alkaline phosphatase (3%), hyperbilirubinemia (2%), jaundice (<2%)
Hypersensitivity: Hypersensitivity reaction (<2%)
Infection: Infection (7%), abscess (2%)
Local: Inflammation at injection site (<2%), injection site reaction (<2%), pain at injection site (<2%), swelling at injection site (<2%)
Neuromuscular & skeletal: Weakness (3%)
Renal: Increased blood urea nitrogen (3%), increased serum creatinine (<2%)
Respiratory: Pneumonia (2%)
Miscellaneous: Abnormal healing (3%)
<1% (Limited to important or life-threatening): Acute pancreatitis, allergic skin reaction, anaphylactoid reaction, anaphylaxis, Clostridium difficile associated diarrhea, hepatic dysfunction, hepatic failure, hypersensitivity reaction, hypoglycemia signs and symptoms (diabetic and nondiabetic patients), intrahepatic cholestasis, Stevens-Johnson syndrome
Concerns related to adverse effects:
• Anaphylactic/hypersensitivity reactions: May cause life-threatening anaphylaxis. Due to structural similarity with tetracyclines, avoid use in patients with known hypersensitivity to tetracycline-class antibiotics (Canadian labeling contraindicates use in patients with hypersensitivity to tetracyclines).
• Antianabolic effects: May be associated with antianabolic effects observed with the tetracycline class (including increased BUN, azotemia, acidosis, and hyperphosphatemia).
• Hepatotoxicity: Abnormal liver function tests (increased total bilirubin, prothrombin time, transaminases) have been reported. Isolated cases of significant hepatic dysfunction and hepatic failure have occurred. Closely monitor for worsening hepatic function in patients who develop abnormal liver function tests during therapy. Adverse hepatic effects may occur after drug discontinuation.
• Pancreatitis: Acute pancreatitis (including fatalities) has been reported, including patients without known risk factors; discontinue use when suspected.
• Photosensitivity: May be associated with photosensitivity due to structural similarities with tetracyclines.
• Pseudotumor cerebri: May be associated with pseudotumor cerebri due to structural similarities with tetracyclines.
• Superinfection: Prolonged use may result in fungal or bacterial superinfection, including C. difficile-associated diarrhea (CDAD) and pseudomembranous colitis; CDAD has been observed >2 months postantibiotic treatment.
• Treatment-related mortality: [US Boxed Warning]: In a meta analysis of Phase 3 and 4 clinical trials, an increase in all-cause mortality has been observed in tigecycline-treated patients versus comparator-treated patients. The cause of the mortality risk difference (0.6% [95% CI 0.1, 1.2]) has not been established. Use should be reserved for situations in which alternative treatments are not suitable. In general, deaths were the result of worsening infection, complications of infection, or underlying comorbidity.
• Hepatic impairment: Use with caution in patients with hepatic impairment; dosage adjustment recommended in severe hepatic impairment.
• Intra-abdominal infections: Avoid use as monotherapy (Canadian labeling recommends using with caution) for patients with intestinal perforation (in the small sample of available cases, sepsis/septic shock occurred more frequently than patients treated with imipenem/cilastatin comparator).
• Pediatric: Safety and efficacy in children and adolescents <18 years of age have not been established due to increased mortality observed in trials of adult patients. Use only if no alternative antibiotics are available. Because of effects on tooth development (yellow-gray-brown discoloration), use in patients <8 years is not recommended.
• Appropriate use: Do not use for diabetic foot infections; non-inferiority was not demonstrated in studies. Do not use for healthcare-acquired pneumonia (HAP) or ventilator-associated pneumonia (VAP); increased mortality and decreased efficacy have been reported in HAP and VAP trials.
Monitor hepatic function periodically. Observe for signs and symptoms of anaphylaxis during administration.
Pregnancy Risk Factor
Because adverse effects were observed in animals and because of the potential for permanent tooth discoloration, tigecycline is classified pregnancy category D. Tigecycline frequently causes nausea and vomiting and, therefore, may not be ideal for use in a patient with pregnancy-related nausea.
• Discuss specific use of drug and side effects with patient as it relates to treatment. (HCAHPS: During this hospital stay, were you given any medicine that you had not taken before? Before giving you any new medicine, how often did hospital staff tell you what the medicine was for? How often did hospital staff describe possible side effects in a way you could understand?)
• Patient may experience nausea, vomiting, diarrhea, or abdominal pain. Have patient report immediately to prescriber signs of liver problems (dark urine, feeling tired, lack of appetite, nausea, abdominal pain, light-colored stools, vomiting, or yellow skin or eyes), severe injection site irritation, loss of strength and energy, severe headache, vision changes, eye pain, severe eye irritation, urinary retention, change in amount of urine passed, vaginal yeast infection, signs of Clostridium difficile (C. diff)-associated diarrhea (stomach pain or cramps, very loose or watery stools, or bloody stools), or signs of a pancreas problem (pancreatitis; severe abdominal pain, severe back pain, severe nausea, or vomiting) (HCAHPS).
• Educate patient about signs of a significant reaction (eg, wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat). Note: This is not a comprehensive list of all side effects. Patient should consult prescriber for additional questions.
Intended Use and Disclaimer: Should not be printed and given to patients. This information is intended to serve as a concise initial reference for healthcare professionals to use when discussing medications with a patient. You must ultimately rely on your own discretion, experience and judgment in diagnosing, treating and advising patients.
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Other brands: Tygacil