Abstract:Tigecycline, given at the range of administered doses as salvage therapy and in combination with other antimicrobial agents, seemed to be well tolerated in a series of mainly critically ill pediatric patients and demonstrated relatively good clinical response in nonbacteremic patients.
“…However, off‐label use of TGC is widely adopted in critically ill adults, especially for infections caused by MDR/XDR pathogen . In real‐world clinical practice, successful cases are also reported for off‐label use of TGC in children, especially for infections caused by MDR/XDR bacteria . Pediatricians usually prescribe TGC as salvage therapy in serious infections.…”
Section: Discussionmentioning
confidence: 99%
“…9,10 In real-world clinical practice, successful cases are also reported for off-label use of TGC in children, especially TA B L E 2 Susceptibility testing results of K pneumoniae (n = 9) and A baumannii (n = 4) isolates to antimicrobial agents for infections caused by MDR/XDR bacteria. [11][12][13] Pediatricians usually prescribe TGC as salvage therapy in serious infections.…”
Section: Discussionmentioning
confidence: 99%
“…Thirteen children (6 males) with a median age of 8 (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19) ceived TGC for at least 3 days (6 doses) as salvage therapy, and no patient was excluded. The average stay in ICU was 12.9 ± 11.9 days (range 3-37 days).…”
Introduction
Tigecycline (TGC) is effective for the infections caused by carbapenem‐resistant gram‐negative bacteria (CRGNB) in adults, but it is not investigated systematically in children because of concern about adverse effects. This study aimed to analyze the effectiveness of TGC in treating CRGNB infections in children after receiving liver transplant.
Methods
The subjects in this retrospective study were pediatric liver transplant recipients treated with TGC for at least 3 days to fight microbiologically verified CRGNB infection after initial antibiotic failure during the period from January 2014 to May 2018. Clinical and microbiological outcomes were reviewed to evaluate the efficacy and safety of TGC.
Results
Of the 1177 pediatric liver transplant recipients, 13 patients were eligible for inclusion in this analysis. All the patients received TGC at dose of 2 mg/kg every 12 hours for a duration of 10.1 ± 5.1 days on average to treat CRGNB infections, including complicated intra‐abdominal infection, ventilator‐associated pneumonia, and bloodstream infection. The isolates included Klebsiella pneumoniae (69.2%, 9/13) and Acinetobacter baumannii (30.8%, 4/13). Clinical efficacy was achieved in 84.6% (11/13) and pathogen eradicated in 69.2% (9/13) of the patients. The overall mortality rate was 15.4% (2/13). No TGC‐related serious adverse event was reported.
Conclusion
Tigecycline can be considered in combination antimicrobial regimen for treating CRGNB‐related infections in pediatric liver transplant recipients.
“…However, off‐label use of TGC is widely adopted in critically ill adults, especially for infections caused by MDR/XDR pathogen . In real‐world clinical practice, successful cases are also reported for off‐label use of TGC in children, especially for infections caused by MDR/XDR bacteria . Pediatricians usually prescribe TGC as salvage therapy in serious infections.…”
Section: Discussionmentioning
confidence: 99%
“…9,10 In real-world clinical practice, successful cases are also reported for off-label use of TGC in children, especially TA B L E 2 Susceptibility testing results of K pneumoniae (n = 9) and A baumannii (n = 4) isolates to antimicrobial agents for infections caused by MDR/XDR bacteria. [11][12][13] Pediatricians usually prescribe TGC as salvage therapy in serious infections.…”
Section: Discussionmentioning
confidence: 99%
“…Thirteen children (6 males) with a median age of 8 (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19) ceived TGC for at least 3 days (6 doses) as salvage therapy, and no patient was excluded. The average stay in ICU was 12.9 ± 11.9 days (range 3-37 days).…”
Introduction
Tigecycline (TGC) is effective for the infections caused by carbapenem‐resistant gram‐negative bacteria (CRGNB) in adults, but it is not investigated systematically in children because of concern about adverse effects. This study aimed to analyze the effectiveness of TGC in treating CRGNB infections in children after receiving liver transplant.
Methods
The subjects in this retrospective study were pediatric liver transplant recipients treated with TGC for at least 3 days to fight microbiologically verified CRGNB infection after initial antibiotic failure during the period from January 2014 to May 2018. Clinical and microbiological outcomes were reviewed to evaluate the efficacy and safety of TGC.
Results
Of the 1177 pediatric liver transplant recipients, 13 patients were eligible for inclusion in this analysis. All the patients received TGC at dose of 2 mg/kg every 12 hours for a duration of 10.1 ± 5.1 days on average to treat CRGNB infections, including complicated intra‐abdominal infection, ventilator‐associated pneumonia, and bloodstream infection. The isolates included Klebsiella pneumoniae (69.2%, 9/13) and Acinetobacter baumannii (30.8%, 4/13). Clinical efficacy was achieved in 84.6% (11/13) and pathogen eradicated in 69.2% (9/13) of the patients. The overall mortality rate was 15.4% (2/13). No TGC‐related serious adverse event was reported.
Conclusion
Tigecycline can be considered in combination antimicrobial regimen for treating CRGNB‐related infections in pediatric liver transplant recipients.
“…Almost all of the available data regarding the use of tigecycline in infants and children younger than 8 years derive from small case series collected retrospectively. [3][4][5][6][7]10 Although optimal dosage has not been defined, the usual dose reported in different case series ranged from 1 to 2 mg/kg every 12 hours. 1 In a case report of 12-month old liver transplant recipient with XDR Acinetobacter baumannii bacteremia, it was found that a dose of 1 mg/kg every 12 hours (without loading dose) provided similar drug exposure (area under the curve, AUC) with adult and children aged 8 to 11 years old.…”
Section: Discussionmentioning
confidence: 99%
“…1,2 The off-label use of tigecycline to treat serious infections (blood stream infections, urinary tract infections, nosocomial pneumonia, or meningitis) has been reported in the pediatric age group. [3][4][5][6][7] The majority of patients in these clinical series were beyond infancy, and it was stated that tigecycline was generally well tolerated except for gastrointestinal adverse events (nausea, vomiting, diarrhea, acute pancreatitis), prolonged coagulation times, and mild increase of transaminases. [3][4][5][6]8 However, there is only scant information on tigecycline use in newborn infants.…”
The off-label use of tigecycline to treat serious infections has been reported in pediatric patients. We report four newborn infants diagnosed with sepsis caused by extensively drug-resistant Klebsiella pneumoniae and successfully treated with tigecycline. If no alternative drugs are available, tigecycline may be considered as an option for nosocomial infections even in newborn infants. However, further reports are needed to establish its efficacy and safety.
Although some patients benefited from tigecycline, the efficacy and safety of tigecycline should not be overvalued. Additional data from randomized controlled trials are required to assess the administration of tigecycline. What is Known: • Severe infection is a primary cause of mortality in pediatric patients and its treatment is facing challenges from an increasing number of multidrug-resistant (MDR) pathogens. • Tigecycline has an expanded spectrum of antibacterial activity. • Several case reports have indicated that tigecycline could be used as a salvage therapy in children when options are limited or non-existent. What is New: • We found that rate of clinical improvement was different in various groups of different infection. The efficacy of tigecycline should not be overvalued. • Six dosage models and different infection types were observed in our series, with different improvement and eradication rate, indicating that more data are required to identify a proper tigecycline dosage.
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