Drug Intelligence and Clinical Pharmacy 1982-12-01

Cinoxacin (Cinobac, Eli Lilly & Co.).

D R Guay

Index: Drug Intell. Clin. Pharm. 16(12) , 916-21, (1982)

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Abstract

Cinoxacin, a synthetic organic acid antibacterial agent, related structurally to nalidixic and oxolinic acid, has been approved for the treatment of initial and recurrent urinary tract infections (UTIs) caused by susceptible gram-negative microorganisms. The role of cinoxacin in the treatment of UTIs, compared with the usual first-line agents, is uncertain at this time. The efficacy of cinoxacin in the treatment of pyelonephritis, compared with these proven agents, has been examined in only small numbers of patients, and cinoxacin is more expensive than these agents. Cinoxacin may prove valuable in the treatment of prostatitis and in the prophylaxis of recurrent UTIs; further study in these areas is warranted. In the routine treatment of acute UTIs, cinoxacin perhaps should be reserved only for those patients with organisms resistant to usual first-line agents or those who fail to respond to therapy with these agents. In this respect, cinoxacin may, in the future, replace nalidixic acid.