Studies on prophylaxis of infection in neutropenic patients continue t
o dominate the literature, It is clear that vancomycin, quinolones and
azole antifungals are effective but must be used with caution; howeve
r, superinfection with alpha-haemolytic streptococci, quinolone-resist
ant coliforms and the emergence of resistant enterococci are dependent
on many factors, not just over-use of particular antibiotics. Azole-p
olyene antifungal combinations appear to be effective in animal studie
s, Adjunctive treatment with colony-stimulating factors, particularly
of established fungal infections and other immunotherapy, remains prom
ising but clinical trials are urgently required.