CVM GFI #281 Infectious Otitis Externa Drugs for Topical Use in Dogs March 2023

GUIDANCE DOCUMENT

• Docket Number: FDA-2023-D-0606
• Issued by: Center for Veterinary Medicine

The effectiveness development plan for topical otic products should be designed to show that the drug product is effective for its intended use (i.e., to treat otitis externa) and, if it is a combination product, each active ingredient makes a contribution to the effectiveness of the combination.

Target animal safety (TAS) studies aim to identify the margin of safety and provide veterinarians with information regarding the safe use of the drug.   This guidance includes recommendations specific for topical otic drug products.  Human user safety covers human exposures resulting from actual conditions of use and is part of the TAS technical section.  Human user safety concerns for topical otic drug products should be addressed, including potential exposure to the drug and the active metabolites by veterinary personnel, people handling the drug, and people in contact with the animal.

The pathogenic species listed on the package insert will be determined by the results of the field effectiveness study that support substantial evidence of effectiveness.

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All written comments should be identified with this document's docket number: FDA-2023-D-0606.

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