Antibiotics in febrile neutropenia: a randomized prospective comparison of two combinations.

BACKGROUND. Problems of initial empirical antibiotic therapy in febrile neutropenia are further complicated by other factors such as cost and the pattern of infective organisms in a particular institution. We, therefore, conducted a randomized study comparing the efficacy of two sets of antibiotics which differed in their spectrum of action, availability and price. METHODS. Sixty episodes of febrile neutropenia in 40 patients who were not on any prophylactic antibiotics were randomized into one of two arms--cefotaxime and gentamicin or ciprofloxacin and gentamicin. Depending upon the response by 72 hours, they were crossed over to the other arm or continued with the same combination. Empirical antifungal therapy was added in those who did not become afebrile. RESULTS. Infection was documented either clinically, bacteriologically or radiologically in 42% of the febrile episodes. The commonest organism isolated was Klebsiella and the commonest organism producing bacteraemia was the Staphylococcus. The temperature was reduced to normal without cross-over in 53% of the febrile episodes with cefotaxime and gentamicin and in 60% with ciprofloxacin and gentamicin (p > 0.05). After cross-over the temperature came down in 30% of the episodes with cefotaxime and gentamicin (initial combination) and 40% with ciprofloxacin and gentamicin (initial combination; p > 0.05). The overall response rate without empirical antifungal therapy was 83% in the patients on cefotaxime and gentamicin (initial combination; p > 0.05). While both the arms of the study had a 100% response rate, there was no significant difference between the efficacy of the antibiotic combinations. The ciprofloxacin-gentamicin combination is one-third as expensive as cefotaxime-gentamicin and is more readily available. CONCLUSION. We recommend the use of ciprofloxacin and gentamicin as the initial drug combination and cefotaxime and gentamicin only when the former is not effective.

Chloramphenicol and ciprofloxacin in enteric fever--cost-effectiveness.

Clinical decision analysis is a technique which is used to deal with uncertainities in clinical medicine. We used this technique to compare the cost-effectiveness of chloramphenicol and ciprofloxacin in the treatment of enteric fever. The study shows that the most economical alternative can be predicted if the cost of hospital stay and the sensitivity of the organism to chloramphenicol are known. Thus if the hospital costs are Rs 50/- per day, chloramphenicol will be the drug of choice if more than 52% of the organisms are sensitive to the drug. At lower levels of sensitivity to chloramphenicol, ciprofloxacin will be the drug of choice.