After initial treatment, 151 patients entered the randomization phase. At 28 days, relapse-free cure rates were nearly identical: 49% of the 12-day group and 50% of the 6-day group. However, by 90 days, a significant difference became apparent: Patients who had received the 6-day course of flucloxacillin were significantly more likely to have experienced a relapse of cellulitis in the same region (23.5% vs. 6% in the 12-day group). A Kaplan-Meier analysis showed that these patients began to relapse as early as 35 days after the end of therapy. Most relapses occurred during days 60-90. The few relapses in the 12-day group occurred toward the end of the follow-up period, from day 75 onward.
Dr. Cranendonk said the investigation shows that older, less-healthy cellulitis patients can probably benefit from the longer course of antibiotics. “Short-term outcomes aren’t everything,” he noted.
He had no financial disclosures.
A video interview of Dr. Cranendock by ECCMID 2018 is available.
SOURCE: Cranendonk et al. ECCMID 2018, Abstract O1122
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