K150526 · The Binding Site Group , Ltd. · CFN · May 30, 2015 · Immunology
Device Facts
Record ID
K150526
Device Name
Optilite IgG4 Kit
Applicant
The Binding Site Group , Ltd.
Product Code
CFN · Immunology
Decision Date
May 30, 2015
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 866.5510
Device Class
Class 2
Intended Use
The Optilite IgG4 kit is intended for the quantitative in vitro measurement of IgG4 in serum using the Binding Site Optilite analyser. Measurement of this immunoglobulin is an aid in the diagnosis of abnormal protein metabolism and the body's lack of ability to resist infectious agents. The test result should be used in conjunction with other laboratory and clinical findings.
Device Story
The Optilite IgG4 kit is an in vitro diagnostic reagent system for use on the Optilite analyzer. It utilizes polyclonal monospecific sheep anti-human IgG4 (F(ab)2) fragments coated onto polystyrene latex particles. The device measures IgG4 concentration in serum via a turbidimetric immunoassay. When the sample is mixed with the reagent, insoluble complexes form; the analyzer measures the reduction in transmitted light through the suspension, which is inversely proportional to the IgG4 concentration. The analyzer automatically calculates concentrations using a stored calibration curve. The device is intended for use in clinical laboratory settings by trained personnel. It provides quantitative results that assist clinicians in diagnosing abnormal protein metabolism and immune deficiencies. The system includes automated antigen excess detection to flag potentially falsely low results in samples with very high IgG4 levels.
Clinical Evidence
No clinical trials were performed. Substantial equivalence was established through analytical bench testing, including precision (n=10 samples over 21 days), linearity, interference studies (bilirubin, hemoglobin, triglycerides, and 14 common drugs), and a method comparison study using 567 serum samples (26 normal, 541 clinical) comparing the Optilite IgG4 Kit to the predicate device. Passing-Bablok regression showed y = 0.91x + 8.09 with r = 0.999.
Technological Characteristics
Turbidimetric immunoassay; polyclonal monospecific sheep anti-human IgG4 (F(ab)2) fragments on polystyrene latex particles. Reagents include reaction buffer with 0.099% sodium azide. Operates on the Optilite analyzer. Standardized against ERM-DA470k. Automated antigen excess detection. Shelf life 6 months at 2–8°C; open-vial stability 3 months; on-board stability 30 days.
Indications for Use
Indicated for the quantitative in vitro measurement of IgG4 in human serum to aid in the diagnosis of abnormal protein metabolism and immune deficiency. For prescription use only.
Regulatory Classification
Identification
An immunoglobulins A, G, M, D, and E immunological test system is a device that consists of the reagents used to measure by immunochemical techniques the immunoglobulins A, G, M, D, an E (serum antibodies) in serum. Measurement of these immunoglobulins aids in the diagnosis of abnormal protein metabolism and the body's lack of ability to resist infectious agents.
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K042152 — BINDING SITE IGG SUBLCASS OLYMPUS KITS · The Binding Site · Nov 22, 2004
K021081 — HUMAN IGG SUBCLASS LIQUID REAGENT KITS FOR USE ON THE HITACHI 911/7070 TURBIDIMETRIC ANALYSER · The Binding Site, Ltd. · Jun 17, 2002
K982023 — PELICALSS HUMAN IGG SUBCLASS NEPHLOMETRIC ARRAY KIT · Inova Diagnostics, Inc. · Sep 4, 1998
Submission Summary (Full Text)
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Image /page/0/Picture/1 description: The image shows the seal of the U.S. Department of Health & Human Services. The seal features a stylized caduceus-like symbol with three human profiles forming the staff. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" is arranged in a circular pattern around the symbol. The seal is black and white.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
May 30, 2015
THE BINDING SITE GROUP LTD. MS. ANDREA THOMAS REGULATORY AFFAIRS OFFICER 8 CALTHORPE ROAD, EDGBASTON, BIRMINGHAM, WEST MIDLANDS, B15 1QT, UK
Re: k150526
Trade/Device Name: Optilite® IgG4 Kit Regulation Number: 21 CFR §866.5510 Regulation Name: Immunoglobulins A. G. M. D. and E immunological test system Regulatory Class: Class II Product Code: CFN Dated: February 26, 2015 Received: March 2, 2015
Dear Ms. Thomas:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and 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) that do not require approval of a premarket approval application (PMA). 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. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical
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device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
## Leonthena R. Carrington -S
Leonthena R. Carrington, MS, MBA, MT(ASCP) Director Division of Immunology and Hematology Devices Office of In Vitro Diagnostics and Radiological Health (OIR) Center for Devices and Radiological Health
Enclosure
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## Indications for Use
510(k) Number (if known) K150526
Device Name Optilite® IgG4 Kit
Indications for Use (Describe)
The Optilite IgG4 Kit is intended for the quantitative in vitro measurement of IgG4 in serum using the Binding Site Optilite analyser. Measurement of this immunoglobulin is an aid in the diagnosis of abnormal protein metabolism and the body's lack of ability to resist infectious agents. The test result should be used in conjunction with other laboratory and clinical findings.
| Type of Use (Select one or both, as applicable) | |
|--------------------------------------------------|---------------------------------------------|
| X Prescription Use (Part 21 CFR 801 Subpart D) | Over-The-Counter Use (21 CFR 801 Subpart C) |
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