TRIMETHOPRIM/SULPHAMETHOXAZOLE

K983027 · Ab Biodisk · JWY · Oct 2, 1998 · Microbiology

Device Facts

Record IDK983027
Device NameTRIMETHOPRIM/SULPHAMETHOXAZOLE
ApplicantAb Biodisk
Product CodeJWY · Microbiology
Decision DateOct 2, 1998
DecisionSESE
Submission TypeTraditional
Regulation21 CFR 866.1640
Device ClassClass 2

Intended Use

For in vitro diagnostic use: Etest is a quantitative technique for the determination of antimicrobial susceptibility of both non-fastidious Gram negative and Gram positive aerobic bacteria, such as Enterobacteriaceae, Pseudomonas, Staphylococcus and Enterococcus species and fastidious bacteria, such as anaerobes, Pneumococcus and Haemophilus species. The system comprises a predefined antibiotic gradient which is used to determine the Minimum Inhibitory Concentration (MIC) in µg/ml of individual antibiotics against bacteria as tested on agar media by overnight incubation. This Etest 510(k) application is for MIC determination of Trimethoprim/sulphamethoxazole in the range of 0.002 - 32 µg/ml with Gram negative and Gram positive aerobic bacteria.

Device Story

Etest is a quantitative antimicrobial susceptibility testing system. It consists of a reagent-impregnated strip containing a predefined antibiotic gradient. The strip is applied to an inoculated agar plate and incubated overnight. The antibiotic diffuses into the agar, creating a concentration gradient. The MIC is determined by observing the point where the bacterial growth inhibition ellipse intersects the strip. Used in clinical laboratories by trained personnel. Provides MIC values to guide antibiotic therapy decisions for bacterial infections.

Clinical Evidence

No clinical data provided. Substantial equivalence is based on bench testing of the Etest system's performance in determining MIC values for Trimethoprim/sulphamethoxazole compared to standard reference methods.

Technological Characteristics

Gradient diffusion strip containing Trimethoprim/sulphamethoxazole. Range: 0.002 - 32 µg/ml. Manual application to agar media followed by overnight incubation. Visual interpretation of MIC endpoint.

Indications for Use

Indicated for in vitro diagnostic determination of antimicrobial susceptibility (MIC) of Gram-negative and Gram-positive aerobic bacteria to Trimethoprim/sulphamethoxazole in the range of 0.002 - 32 µg/ml.

Regulatory Classification

Identification

An antimicrobial susceptibility test powder is a device that consists of an antimicrobial drug powder packaged in vials in specified amounts and intended for use in clinical laboratories for determining in vitro susceptibility of bacterial pathogens to these therapeutic agents. Test results are used to determine the antimicrobial agent of choice in the treatment of bacterial diseases.

Related Devices

Submission Summary (Full Text)

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Public Health Service Food and Drug Administration 2098 Gaither Road Rockville MD 20850 2 1998 OCT Anne Bolmström President AB BIODISK Dalvägen 10, S-169 56 Solna Sweden Re: K983027 > Trade Name: Etest® Trimethoprim/sulphamethoxazole Regulatory Class: II Product Code: JWY Dated: August 28, 1998 Received: August 31, 1998 Dear Ms. Bolmström: We have reviewed your Section 510(k) notification of intent to market the device referenced above and we have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the Current Good Manufacturing Practice requirements, as set forth in the Quality. System ... Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic QS inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP regulation may result in regulatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or regulations. {1}------------------------------------------------ ## Page 2 Under the Clinical Laboratory Improvement Amendments of 1988 (CLIA-88), this device may require a CLIA complexity categorization. To determine if it does, you should contact the Centers for Disease Control and Prevention (CDC) at (770)488-7655. This letter will allow you to begin marketing your device as described in your 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market. If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4588. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its toll free number (800) 638-2041 or at (301) 443-6597 or at its internet address "http://www.fda.gov/cdrh/dsmamain.html" Sincerely yours. Steven Butman Steven I. Gutman, M.D., M.B.A. Director Division of Clinical Laboratory Devices Office of Device Evaluation Center for Devices and Radiological Health Enclosure {2}------------------------------------------------ Page 1 of 1 ## 510(k) Number (if known): K 98 3027 Device Name: Etest® Trimethoprim/sulphamethoxazole Indications For Use: For in vitro diagnostic use: Etest is a quantitative technique for the determination of antimicrobial susceptibility of both non-fastidious Gram negative and Gram positive aerobic bacteria, such as Enterobacteriaceae, Pseudomonas, Staphylococcus and Enterococcus species and fastidious bacteria, such as anaerobes, Pneumococcus and Haemophilus species. The system comprises a predefined antibiotic gradient which is used to determine the Minimum Inhibitory Concentration (MIC) in µg/ml of individual antibiotics against bacteria as tested on agar media by overnight incubation. This Etest 510(k) application is for MIC determination of Trimethoprim/sulphamethoxazole in the range of 0.002 - 32 µg/ml with Gram negative and Gram positive aerobic bacteria. (PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PACE IF NEEDED) Concurrence of CDRH, Office of Device Evaluation (ODE) | | <div style="text-align:center">Woody Dubois</div> | |---------------|----------------------------------------------------------| | | <div style="text-align:center">(Division Sign Off)</div> | | | Division of Clinical Laboratory Devices | | 510(k) Number | K983027 | | Prescription Use<br>(Per 21 CFR 801.109) | X | OR | Over-The Counter Use<br>(Optional Format 1-2-96) | |------------------------------------------|---|----|--------------------------------------------------| |------------------------------------------|---|----|--------------------------------------------------|
Innolitics
510(k) Summary
Decision Summary
Classification Order
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