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Topical Ofloxacin Treatment of Otorrhea in Children With Tympanostomy Tubes
Joseph E. Dohar, MD;
Eric T. Garner, MD;
Richard W. Nielsen, MD;
Merril A. Biel, MD, PhD;
Mindell Seidlin, MD
Arch Otolaryngol Head Neck Surg. 1999;125:537-545.
Objective To determine the safety and efficacy of ofloxacin otic solution in the treatment of acute otorrhea in children with tympanostomy tubes.
Design Multicenter study with an open-label, prospective ofloxacin arm and retrospective historical and current practice arms.
Setting Ear, nose, and throat pediatric and general practice clinics and office-based practices.
Subjects Children younger than 12 years with acute purulent otorrhea of presumed bacterial origin and tympanostomy tubes.
Intervention Instillation of 0.3% ofloxacin, 0.25 mL, twice daily for 10 days in the prospective arm; review of medical records in the retrospective arms.
Main Outcome Measures The primary index of clinical efficacy was absence (cure) or presence (failure) of otorrhea at 10 to 14 days after therapy. The primary index of microbiologic efficacy (in the ofloxacin arm only) was eradication of pathogens isolated at baseline. Safety was evaluated in the ofloxacin arm only.
Results Significantly more clinically evaluable ofloxacin-treated subjects were cured (84.4%; 119/141) than were historical practice subjects (64.2%; 140/218) (P≤.001) or current practice subjects (70%; 33/47) (P≤.03). All baseline pathogens were eradicated in 103 (96.3%) of 107 microbiologically evaluable ofloxacin subjects. Adverse events considered "possibly" or "probably" treatment related occurred in 29 (12.8%) of 226 ofloxacin-treated subjects.
Conclusion Ofloxacin is safe and significantly more effective than treatments used in historical or current practice for acute purulent otorrhea in children with tympanostomy tubes.
From the Department of Pediatric Otolaryngology, Children's Hospital of Pittsburgh, Pittsburgh, Pa (Dr Dohar); ENT Associates, Boise, Idaho (Dr Garner); ENT Center of Salt Lake City, Salt Lake City, Utah (Dr Nielsen); Minneapolis Ear Nose & Throat Clinic and Research Foundation, Minneapolis, Minn (Dr Biel); and Daiichi Pharmaceutical Co, Montvale, NJ (Dr Seidlin).
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