BACKGROUND Febrile neutropenia is a heterogeneous condition. Recently, several risk factors have been defined, permitting the definition of a lower risk group of patients who may benefit form less aggressive therapy. The use of an oral antibiotic approach was tested in the current trial. METHODS From May 1997 to March 1998, 154 episodes of lower risk febrile neutropenia in 128 children with a mean age of 62 (range, 8–200) months were enrolled in this randomized, single‐institution trial. Inclusion criteria were fever (> 38 °C), neutropenia (absolute neutrophil count < 500/mm3), lower risk features (i.e., absence of severe comorbidity factors, good clinical condition, negative blood cultures, control of local infection, no fever during the last 24 hours), and compliance of parents. After 3 days of ceftriaxone (100 mg/kg/day administered intravenously [i.v.]) every 12 hours plus amikacin (15 mg/kg/day i.v.) every 24 hours for 3 days, all patients were discharged and randomized to be allocated to 2 treatment arms. Group A (n = 74) received ceftriaxone cefixime (8 mg/kg/day administered orally) every 24 hours for 4 days, whereas Group B (n = 80) was treated with ceftriaxone plus amikacin for 7 days. Failure was defined as the need for second hospitalization during the same episode of neutropenia, or fever during the 7 days after discharge. RESULTS Most of the patients (49% in Group A and 55% in Group B) had acute leukemia. Fifty‐four (72%) children in Group A and 46 (56%) in Group B had fever of unknown origin (P = not significant [NS]). No significant differences were found in the sites of initial infection between the two groups. Overall results were outstanding, with a favorable outcome in 73 of 78 cases (98.6%) in Group A and 78 of 80 cases (97.5%) in Group B (P = NS). Three patients needed a second hospitalization due to failure of the initial therapy: one in Group A and two in Group B. All three did well with secondary treatment. CONCLUSIONS In lower risk febrile neutropenic children receiving anticancer therapy, the efficacy of oral cefixime, given for 4 days after 72 hours of intravenous ceftriaxone plus amikacin, was similar to that of 7 days of parenteral ceftriaxone plus amikacin. The oral outpatient therapy approach to the treatment of lower risk febrile neutropenia after chemotherapy is safe and may be cost‐saving. This strategy might be adopted as standard therapy in the future. Cancer 2000;88:2848–52. © 2000 American Cancer Society.

BACKGROUNDRecent reports and previous randomized trials conducted at the authors' institution suggested that children with lower risk febrile neutropenic (LRFN) may benefit from substitution of oral antibiotic therapy for parenteral therapy. The objective of this study was to determine the efficacy of parenteral‐oral outpatient therapy in the management of children with LRFN who were receiving treatment for malignant disease.METHODSFrom August 2000 to April 2002, 135 children with a median age of 7.5 years (range, 1.6–15.8 years) who had a total of 177 episodes of LRFN were included in a prospective, randomized, single‐institution trial. Children with LRFN received a single dose of ceftriaxone and amikacin and completed a risk‐assessment work‐up. All patients were discharged immediately and, at 24 hours, were allocated randomly to two groups: Group A (89 episodes) received oral ciprofloxacin, and Group B (88 episodes) received intravenous ceftriaxone.RESULTSMost patients (61% in Group A and 51% in Group B) were receiving treatment for leukemia (P value not significant [NS]). Twenty‐eight children (31%) in Group A and 22 children (25%) in Group B displayed unexplained fever (P value NS). No significant differences in sites of initial infection were found between the two groups. The median duration of neutropenia was 4.2 days and 4.7 days for Group A and Group B, respectively (P value NS); the median duration of fever was 2.3 days and 2.6 days, respectively (P value NS); and the median duration of antibiotic treatment was 4.5 days and 4.8 days, respectively (P value NS). The overall results of the study were excellent. Only four treatment failures in Group A (5%) and 6 treatment failures in Group B (7%) were observed. These patients were readmitted to the hospital and did well with appropriate treatment.CONCLUSIONSIn children with LRFN who are receiving treatment for malignant disease, outpatient oral ciprofloxacin after 24 hours of a single dose of intravenous ceftriaxone and amikacin was as safe and efficacious as parenteral ceftriaxone. Outpatient management and early antibiotic withdrawal were safe for both groups. Cancer 2003;97:1775–80. © 2003 American Cancer Society.DOI 10.1002/cncr.11251

BACKGROUND Recent reports and a previous randomized trial conducted at the authors' institution suggested that a lower risk subset of children with febrile neutropenia under chemotherapy might benefit of an oral antibiotic outpatient approach. METHODS The objective of this study was to test the efficacy of oral ciprofloxacin in the treatment of lower risk febrile neutropenia (LRFN) in children treated for malignant diseases. From November 1998 to December 1999, 93 episodes of LRFN in 87 children (median age, 5.5 years; range, 0.9–15.8 years) were included in a prospective randomized controlled single institution trial. Inclusion criteria included fever (> 38 °C), severe neutropenia (absolute neutrophil count, < 500/mm3), and lower risk features (e.g., absence of severe comorbidity factors, good clinical condition, negative blood cultures, control of local infection, prediction of a period of neutropenia less than 10 days after admission, and compliant parents). After 24 hours of a single intravenous ceftriaxone (100 mg/kg) plus amikacin (15 mg/kg) and completed risk assessment workup, patients were discharged and randomly allocated to two groups. Group A (48 episodes) received ciprofloxacin 20 mg/kg/day orally (p.o.) every 12 hours for 6 days. Group B (45 episodes) received intravenous ceftriaxone plus amikacin for 2 days more followed by cefixime (8 mg/kg/day p.o.) every 24 hours for 4 additional days. Failure was defined as the need of a second hospitalization during the same episode. RESULTS Most of the patients (59% in Group A and 52% in Group B) were treated for malignant solid tumors. Fifteen (31%) children in Group A and 15 (33%) in Group B presented with fever of unknown origin (P value was not significant). No significant differences were found in sites of initial infection between both groups. Overall results in this study were excellent. Only one patient with respiratory failure was detected in Group B, who did well with secondary treatment. CONCLUSIONS In febrile neutropenic children after anticancer therapy and lower risk features, oral ciprofloxacin for 6 days after 24 hours of intravenous ceftraxione plus amikacin appears to be as efficacious as intravenous ceftriaxone plus amikacin for 2 days more followed by cefixime for 4 additional days. These results contribute to strengthen the concept of LRFN. Cancer 2001;91:1563–7. © 2001 American Cancer Society.

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