HealthDay News — Intraoperative administration of an otic suspension of ciprofloxacin (OTO-201) appears to be safe and effective for children requiring tympanostomy tube placement (TTP), according to research published online March 17 in JAMA Otolaryngology-Head & Neck Surgery.

Eric A. Mair, MD, from Charlotte Eye, Ear, Nose, and Throat Associates in North Carolina, and colleagues conducted two identically designed prospective phase 3 trials involving 532 patients aged 6 months to 17 years. Patients with confirmed bilateral middle ear effusions on the day of TTP were randomly allocated to receive TTP only (175 patients) or TTP with OTO-201 injection (357 patients).

The researchers found that the cumulative proportion of treatment failures at day 15 was 24.6 and 21.3% in trials 1 and 2, respectively, in the OTO-201 groups, compared with 44.8 and 45.5%, respectively, in the TTP-only group. Otorrhea-only treatment failures at day 15 were 11.7% in the OTO-201 group versus 25.3% in the TTP-only group in trial 1, and 9.6 and 33.0%, respectively, in trial 2. In both trials, the odds of otorrhea-only failure were significantly reduced in the OTO-201 groups compared with the TTP-only groups (age-adjusted odds ratios, 0.38 and 0.19, respectively; both P < 0.001).

“Two large phase 3 randomized clinical trials demonstrate the safety and efficacy of a single intraoperative administration of OTO-201 for middle ear effusion at the time of TTP,” the authors write.

Several authors disclosed financial ties to Otonomy Inc., which manufactures OTO-201 and funded the study.

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