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Press Release

Otonomy Successfully Completes Phase 2 Clinical Trial of OTIPRIO® in Pediatric Patients with Acute Otitis Media with Tympanostomy Tubes


Posted on: 04 Oct 16

SAN DIEGO, Oct. 04, 2016 (GLOBE NEWSWIRE) -- Otonomy, Inc. (Nasdaq:OTIC), a biopharmaceutical company focused on the development and commercialization of innovative therapeutics for diseases and disorders of the ear, today announced the successful completion of a Phase 2 clinical trial that evaluated a single administration of OTIPRIO® (ciprofloxacin otic suspension) for the treatment of pediatric patients with acute otitis media with tympanostomy tubes (AOMT). The Phase 2 trial was designed to evaluate the safety and tolerability of two dose levels of OTIPRIO, 6 mg (0.1 mL) and 12 mg (0.2 mL), administered in pediatric patients with AOMT and to determine the most appropriate dose for further development in this indication. The trial demonstrated that both OTIPRIO doses were well-tolerated, achieved higher and statistically significant (p<0.05) clinical cure rates over sham (no treatment), with the highest clinical cure rate observed in the 12 mg dose group.

Additional results from this trial will be presented at the Otonomy Investor and Analyst Day on October 7 and will be presented at an upcoming medical conference.

“This study builds on the prior Phase 2 trial, which established the feasibility of administering OTIPRIO in an awake child in the physician office setting, by demonstrating that the preferred dose for further development in AOMT is 12 mg,” said David A. Weber, Ph.D., president and CEO of Otonomy. “Furthermore, we believe that achieving statistical significance in the clinical cure rate versus sham, with a relatively small number of subjects in this study, establishes a favorable benchmark for sizing a successful registration program for OTIPRIO in AOMT. We intend to meet with the FDA to discuss the requirements for such a program following our completion of the ongoing Phase 3 registration trial in acute otitis externa, the first label expansion indication for OTIPRIO."

The one-month, prospective, randomized, sham-controlled, blinded Phase 2 clinical trial enrolled 95 pediatric patients with unilateral or bilateral AOMT at 12 centers in the United States. The trial was designed to evaluate the safety, tolerability, and comparative clinical activity of two dose levels of OTIPRIO, 6 mg (0.1 mL) and 12 mg (0.2 mL), when administered as a single treatment in the physician’s office. Clinical activity was primarily assessed at Day 15 based on clinical cure rate defined as resolution of otorrhea determined by the physician through an otoscopic examination.

About OTIPRIO

OTIPRIO (ciprofloxacin otic suspension) is a fluoroquinolone antibacterial indicated for the treatment of pediatric patients with bilateral otitis media with effusion undergoing tympanostomy tube placement. OTIPRIO is administered by a physician as a single 0.1 mL (6 mg) intratympanic administration into each affected ear, following suctioning of the middle ear effusion. The thermosensitive suspension exists as a liquid at or below room temperature and gels when warmed. In two Phase 3 trials, a single intraoperative administration of OTIPRIO demonstrated a statistically significant reduction in the cumulative proportion of study treatment failures compared to tubes alone (p-value <0.001).

Important Safety Information for OTIPRIO

Contraindications: OTIPRIO is contraindicated in patients with a history of hypersensitivity to ciprofloxacin, to other quinolones, or to any of the components of OTIPRIO.

Warnings and Precautions - Potential for Microbial Overgrowth: OTIPRIO may result in overgrowth of nonsusceptible bacteria and fungi. If such infections occur, institute alternative therapy.

Adverse Reactions: Adverse reactions (incidence at least 3%) that occurred in two Phase 3 trials with OTIPRIO vs sham were: nasopharyngitis (5% vs 4%), irritability (5% vs 3%), and rhinorrhea (3% vs 2%).

Use in Specific Populations - Pediatric Use: The safety and effectiveness of OTIPRIO in infants below six months of age have not been established.

Full prescribing information can be found at www.OTIPRIO.com.

About Otonomy

Otonomy is a biopharmaceutical company focused on the development and commercialization of innovative therapeutics for diseases and disorders of the ear. OTIPRIO (ciprofloxacin otic suspension) is approved in the United States for use during tympanostomy tube placement surgery in pediatric patients, and commercial launch commenced in March 2016. OTO-104 is a steroid in development for the treatment of Ménière's disease and other severe balance and hearing disorders. Two Phase 3 trials in Ménière's disease patients are underway, with results expected during the second half of 2017. OTO-311 is an NMDA receptor antagonist for the treatment of tinnitus that is in a Phase 1 clinical safety trial. Otonomy’s proprietary formulation technology utilizes a thermosensitive gel and drug microparticles to enable single dose treatment by a physician. For additional information please visit www.otonomy.com.

Cautionary Note Regarding Forward Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements generally relate to future events or future financial or operating performance of Otonomy. Forward-looking statements in this press release include, but are not limited to, the timing of results for the two OTO-104 Phase 3 clinical trials in Ménière's disease. Otonomy's expectations regarding these matters may not materialize, and actual results in future periods are subject to risks and uncertainties. Actual results may differ materially from those indicated by these forward-looking statements as a result of these risks and uncertainties, including but not limited to: Otonomy's limited operating history and its expectation that it will incur significant losses for the foreseeable future; Otonomy's ability to obtain additional financing; Otonomy's dependence on the commercial success of OTIPRIO and the regulatory success and advancement of additional product candidates, such as OTO-104 and OTO-311, and label expansion indications for OTIPRIO; the uncertainties inherent in the clinical drug development process, including, without limitation, Otonomy's ability to adequately demonstrate the safety and efficacy of its product candidates, the preclinical and clinical results for its product candidates, which may not support further development, and challenges related to patient enrollment in clinical trials; Otonomy's ability to obtain regulatory approval for its product candidates; side effects or adverse events associated with Otonomy's product candidates; competition in the biopharmaceutical industry; Otonomy's dependence on third parties to conduct preclinical studies and clinical trials; the timing and outcome of hospital pharmacy and therapeutics reviews and other facility reviews; the impact of coverage and reimbursement decisions by third-party payors on the pricing and market acceptance of OTIPRIO; Otonomy's dependence on third parties for the manufacture of OTIPRIO and product candidates; Otonomy's dependence on a small number of suppliers for raw materials; Otonomy's ability to protect its intellectual property related to OTIPRIO and its product candidates in the United States and throughout the world; expectations regarding potential market size, opportunity and growth; Otonomy's ability to manage operating expenses; implementation of Otonomy's business model and strategic plans for its business, products and technology; and other risks. Information regarding the foregoing and additional risks may be found in the section entitled "Risk Factors" in Otonomy's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (the "SEC") on August 4, 2016, and Otonomy's future reports to be filed with the SEC. The forward-looking statements in this press release are based on information available to Otonomy as of the date hereof. Otonomy disclaims any obligation to update any forward-looking statements, except as required by law.

Contacts:

Media Inquiries
Canale Communications
Heidi Chokeir, Ph.D.
Senior Vice President
619.849.5377
heidi@canalecomm.com

Investor Inquiries
Westwicke Partners
Robert H. Uhl
Managing Director
858.356.5932
robert.uhl@westwicke.com 

GlobeNewswire
globenewswire.com

Last updated on: 05/10/2016

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