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Food and Drug Administration, HHS.
The Food and Drug Administration (FDA) is announcing the availability of a guidance for industry entitled “Updating Labeling for Susceptibility Test Information in Systemic Antibacterial Drug Products and Antimicrobial Susceptibility Testing Devices.” The Food and Drug Administration Amendments Act of 2007 (FDAAA) includes a requirement that FDA identify and periodically update susceptibility test interpretive criteria for antibacterial drug products and make those findings publicly available. This guidance describes how FDA will comply with the FDAAA requirement and procedures for application holders to update the labeling of antibacterial drug products and antimicrobial susceptibility testing (AST) devices.
Submit written or electronic comments on agency guidances at any time.
Submit written requests for single copies of this guidance to the Division of Drug Information, Center for Drug Evaluation and Research, Food and Drug Administration, 10903 New Hampshire Ave., Bldg. 51, rm. 2201, Silver Spring, MD 20993-0002 or the Division of Small Manufacturers Assistance (HFZ-220), Center for Devices and Radiological Health, Food and Drug Administration, 1350 Piccard Dr., Rockville, MD 20850-4307. Send one self-addressed adhesive label to assist that office in processing your requests. Submit written comments on the guidance to the Division of Dockets Management (HFA-305), Food and Drug Administration, 5630 Fishers Lane, rm. 1061, Rockville, MD 20852. Submit electronic comments to http://www.regulations.gov. See the SUPPLEMENTARY INFORMATION section for electronic access to the guidance document.Start Further Info
FOR FURTHER INFORMATION CONTACT:
Regarding antibacterial drug products: Edward Cox, Center for Drug Evaluation and Research, Food and Drug Administration, 10903 New Hampshire Ave., Bldg. 22, rm. 6212, Silver Spring, MD 20993-0002, 301-796-1300; or
Regarding AST devices: Freddie Poole, Center for Devices and Radiological Health (HFZ-440), Food and Drug Administration, 2098 Gaither Rd., Rockville, MD 20850, 240-276-0712.End Further Info End Preamble Start Supplemental Information
FDA is announcing the availability of a guidance for industry entitled “Updating Labeling for Susceptibility Test Information in Systemic Antibacterial Drug Products and Antimicrobial Susceptibility Testing Devices.” Antibacterial susceptibility testing is used to determine if bacteria that are isolated from a patient with an infection are likely to be killed or inhibited by a particular antibacterial drug product at the concentrations of the drug that are attainable at the site of infection using the dosing regimen(s) indicated in the drug product's labeling. The results from antibacterial susceptibility testing generally categorize bacteria as “susceptible,” “intermediate,” or “resistant” to each antibacterial drug tested. When available, culture and susceptibility testing results are one of the factors that physicians consider when selecting an antimicrobial drug product for treating a Start Printed Page 31741patient. The numerical values generated by susceptibility testing to determine whether a particular microorganism is susceptible to a particular antimicrobial drug—the antimicrobial susceptibility test interpretive criteria—are commonly referred to as breakpoints. These breakpoints are specified in the antimicrobial drug product's label. The antimicrobial susceptibility test interpretive criteria can be used to interpret results from either manual or automated AST devices.
On September 27, 2007, FDAAA (Public Law 110-85) was signed into law. Section 1111 of FDAAA requires FDA to identify and periodically update susceptibility test interpretive criteria for antibacterial drug products and to make those findings publicly available. By enacting section 1111 of FDAAA, Congress recognized the importance of maintaining updated susceptibility test interpretive criteria.
In the Federal Register of June 12, 2008 (73 FR 33438), FDA issued a draft guidance entitled “Updating Labeling for Susceptibility Test Information in Systemic Antibacterial Drug Products and Antimicrobial Susceptibility Testing Devices.” The draft guidance described procedures for FDA, drug application holders, and AST device manufacturers to ensure that updated susceptibility test information is available to health care providers. The draft guidance explained that where appropriate, FDA intends to identify susceptibility test interpretive criteria, quality control parameters, and susceptibility test methods by recognizing annually, in a Federal Register notice, standards developed by one or more nationally or internationally recognized standard development organizations. The draft guidance described, for holders of applications for approved antibacterial drug products, the option of relying on such standards to update their product labeling. The draft guidance explained that the agency intends to make the updated information available by publicly posting changes to the drug product labeling within 30 days following approval of a supplement that includes a change to the Microbiology subsection of the product labeling. The draft guidance also described, for manufacturers of in vitro diagnostic AST devices, the process for updating the susceptibility test information in their labeling to conform with updated labeling for a relevant antibacterial drug product.
FDA has carefully reviewed comments received on the draft guidance (11 comments were submitted to the public docket). This final version of the guidance reflects our consideration of these comments, as well as our experience updating the labeling of susceptibility test information in systemic antibacterial drug products and AST devices. Most of the changes to the guidance were made to clarify statements in the draft guidance. The following changes in the final version of the guidance are noteworthy:
- The guidance clarifies that FDA is not imposing new requirements by recommending that drug application holders submit revised labeling or an explanation of why revisions are not needed within a specific time period after FDA recognizes a standard that is different from the information in the Microbiology subsection of the labeling for the application holder's drug product. (See 21 CFR 201.56(a)(2).)
- The agency revised the recommended time period for submitting revised labeling by extending the period from 60 days to 90 days.
Certain requests that the guidance provide greater detail regarding the procedures for updating in vitro AST devices have not been addressed in this guidance but will be addressed when FDA updates “Class II Special Controls Guidance Document: Antimicrobial Susceptibility Test (AST) Systems; Guidance for Industry and FDA.” This guidance is being issued consistent with FDA's good guidance practices regulation (21 CFR 10.115). The guidance represents 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.
Interested persons may submit to the Division of Dockets Management (see ADDRESSES) written or electronic comments regarding this document. Submit a single copy of electronic comments or two paper copies of any mailed comments, except that individuals may submit one paper copy. Comments are to be identified 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.
III. Paperwork Reduction Act of 1995
This guidance contains information collection provisions that 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 collection of information in this guidance was approved under OMB control number 0910-0638.
IV. Electronic Access
Persons with access to the Internet may obtain the document at either http://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/default.htm or http://www.regulations.gov.Start Signature
Dated: June 26, 2009.
Assitant Commissioner for Policy
[FR Doc. E9-15682 Filed 7-1-09; 8:45 am]
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