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  • Title: Ceftriaxone monotherapy in the treatment of low-risk febrile neutropenia.
    Author: Karthaus M, Wolf HH, Kämpfe D, Egerer G, Ritter J, Peters G, Südhoff T, Franke A, Heil G, Kullmann KH, Jürgens H.
    Journal: Chemotherapy; 1998; 44(5):343-54. PubMed ID: 9732151.
    Abstract:
    UNLABELLED: Febrile neutropenia in patients who have undergone chemotherapy is usually treated with a combination of broad-spectrum antibiotics. There are no exactly defined protocols for single-agent treatment because a clear definition of low risk febrile neutropenia is lacking. This paper examines the safety and efficacy of once-daily ceftriaxone in 376 cases. MATERIAL AND METHODS: In a prospective observational study carried out between February 1992 and January 1996, 959 febrile episodes at 48 hospitals were recorded. Inclusion criteria were neutropenia (absolute neutrophil count, ANC <1,000/ microl) with fever (>/=38.5 degreesC) or a C-reactive protein concentration >1 mg/dl and suspected infection. Nine hundred and one episodes (acute leukemia n = 396, lymphoma n = 220, solid tumors n = 272 and other disorders n = 13) in 828 patients aged between 1 and 97 years were analyzed, of which 876 episodes were evaluable for response. All patients initially underwent empirical treatment with ceftriaxone (adults: 2 g/day; children: 80 mg/kg/day), either alone (376) or in combination with other agents (525). RESULTS: The mean ANC was 423/ microl (SD +/- 316) and the median duration of neutropenia 10 days. Of the 363 episodes treated initially with ceftriaxone alone, 70.8% responded versus 56.9% in the combination therapy group. The favorable response to the initial monotherapy treatment was explained by a low-risk population in the monotherapy group. A KI >6 (p < 0.0001), ANC >/=500/ microl (p = 0.0001) and a duration of ANC <5 days (p < 0.05) were significantly more frequent in the monotherapy arm and were predictive of lower risk at the commencement of treatment. CONCLUSION: Ceftriaxone is effective in febrile neutropenia. Treatment with ceftriaxone alone was safe and highly effective in low-risk patients. Single-agent regimens appear to be a suitable treatment option in low-risk febrile neutropenia.
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