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###### Department of Health and Human Services

###### Food and Drug Administration

          - [Docket No. FDA-2015-D-0235]

# AGENCY:

Food and Drug Administration, HHS.

# ACTION:

Notice.

# SUMMARY:

                        The Food and Drug Administration (FDA) is announcing the availability of a draft guidance for industry (GFI #229) entitled “Evaluating the Effectiveness of New Animal Drugs for the Reduction of Pathogenic Shiga Toxin-Producing                         *E. coli*                         in Cattle.” The purpose of this document is to provide recommendations to industry relating to study design and describe criteria the Center for Veterinary Medicine (CVM) thinks are the most appropriate for the evaluation of the effectiveness of new animal drugs that are intended to reduce pathogenic Shiga toxin-producing                         *E. coli*                         (STEC) in cattle.                    

# DATES:

Although you can comment on any guidance at any time (see 21 CFR 10.115(g)(5)), to ensure that the Agency considers your comment on this draft guidance before it begins work on the final version of the guidance, submit either electronic or written comments on the draft guidance by April 27, 2015.

# ADDRESSES:

                        Submit written requests for single copies of the guidance to the Communications Staff (HFV-12), Center for Veterinary Medicine, Food and Drug Administration, 7519 Standish Pl., Rockville, MD 20855. Send one self-addressed adhesive label to assist that office in processing your requests. See the                         **SUPPLEMENTARY INFORMATION**                         section for electronic access to the draft guidance document.                    

                        Submit electronic comments on the draft guidance to                         *http://www.regulations.gov.*                         Submit written comments to the Division of Dockets Management (HFA-305), Food and Drug Administration, 5630 Fishers Lane, Rm. 1061, Rockville, MD 20852.                    

# FOR FURTHER INFORMATION CONTACT:

                        Joshua R. Hayes, Center for Veterinary Medicine (HFV-133), Food and Drug Administration, 7500 Standish Pl., Rockville, MD 20855, 240-402-0651,                         *Joshua.hayes@fda.hhs.gov.*

# SUPPLEMENTARY INFORMATION:

## I. Background

                    FDA is announcing the availability of a draft guidance for industry (GFI #229) entitled “Evaluating the Effectiveness of New Animal Drugs for the Reduction of Pathogenic Shiga Toxin-Producing                     *E. coli*                     in Cattle.” This draft guidance provides recommendations to industry relating to study design and describes criteria CVM thinks are the most appropriate for the evaluation of the effectiveness of new animal drugs that are intended to reduce pathogenic STEC in cattle. It discusses general considerations regarding the development of protocols, study conduct, animal welfare, substantial evidence of effectiveness, experimental parameters, nutritional content of experimental diets, and the assessment of drug concentrations in experimental diets. It also discusses the studies and analyses CVM recommends for sponsors                           ( print page 9732)                        to substantiate the effectiveness of pathogenic STEC reduction drugs.                

## II. Significance of Guidance

This level 1 draft guidance is being issued consistent with FDA's good guidance practices regulation (21 CFR 10.115). The draft guidance, when finalized, will represent the Agency's current thinking on this topic. It does not create or confer any rights for or on any person and does not operate to bind FDA or the public. An alternative approach may be used if such approach satisfies the requirements of the applicable statutes and regulations.

## III. Paperwork Reduction Act of 1995

This draft guidance refers to previously approved collections of information found in FDA regulations. These collections of information are subject to review by the Office of Management and Budget (OMB) under the Paperwork Reduction Act of 1995 (44 U.S.C. 3501-3520). The collections of information in 21 CFR part 514 have been approved under OMB control number 0910-0032.

## IV. Comments

                    Interested persons may submit either electronic comments regarding this document to                     *http://www.regulations.gov*                     or written comments to the Division of Dockets Management (see                     **ADDRESSES**                    ). It is only necessary to send one set of comments. Identify comments with the docket number found in brackets in the heading of this document. Received comments may be seen in the Division of Dockets Management between 9 a.m. and 4 p.m., Monday through Friday, and will be posted to the docket at                     *http://www.regulations.gov.*

## V. Electronic Access

                    Persons with access to the Internet may obtain the draft guidance at either                     *http://www.fda.gov/​AnimalVeterinary/​GuidanceComplianceEnforcement/​GuidanceforIndustry/​default.htm*                     or                     *http://www.regulations.gov.*

Dated: February 17, 2015.

Leslie Kux,

Associate Commissioner for Policy.

[FR Doc. 2015-03694 Filed 2-23-15; 8:45 am]

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