Conference Coverage

Don’t shorten therapy for older, sicker cellulitis patients

 

Key clinical point: Elderly patients with cellulitis and comorbid conditions probably need a full 12-day course of treatment.

Major finding: Three-month relapse rates were significantly higher in those who received 6 days of flucloxacillin than they were among those who received 12 days (23.5% vs. 6%).

Study details: Patients who improved on 6 days of treatment were randomized to either placebo or another 6 days of therapy.

Disclosures: Dr. Cranendonk had no financial disclosures.

Source: Cranendonk DR et al. ECCMID 2018, Abstract O1122


 

REPORTING FROM ECCMID 2018

– An attempt to balance effective treatment with good antibiotic stewardship fell short when patients with cellulitis who got 6 days of flucloxacillin relapsed significantly sooner and more frequently than did those who received the standard 12 days of treatment.

While cellulitis cure rates at 14 and 28 days were similar between the two groups, 90-day relapse rates were significantly higher for those who took the 6-day course (23.5% vs. 6%), Duncan R. Cranendonk, MD, said at the European Congress of Clinical Microbiology and Infectious Diseases annual conference. The cohort demographics perhaps played into this finding: Most of the group was elderly, hospitalized, and had comorbid conditions.

Dr. Duncan R. Cranendonk of the University of Amsterdam, the Netherlands Michele G. Sullivan/MDedge News

“However, this is the population clinicians are most likely to see,” said Dr Cranendonk of the University of Amsterdam. “It appears that therapy cannot be safely shortened in this population.”

In light of recent antibiotic trials showing that shorter courses can be as effective as prolonged treatment, Dr. Cranendonk and his colleagues conducted the DANCE (Duration of Antibiotic Therapy for Cellulitis) trial. The study investigated the efficacy of an abbreviated course of intravenous flucloxacillin among 248 patients with cellulitis admitted to 11 Dutch hospitals. At treatment day 6, those who had clinically improved after their initial treatment were randomized to 6 additional days of IV flucloxacillin or to placebo. The primary outcome was cure by day 14 without relapse by day 28.

A 2004 study successfully paved the way for DANCE, Dr. Cranendonk noted. That trial examined 5 versus 10 days of levofloxacin 500 mg for uncomplicated cellulitis in 87 patients. The outcome was positive: There was no significant difference in clinical outcome between the two arms, with a 98% cure rate in both groups.

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