The Quantimetrix GlycoHemosure is intended for the quality control of laboratory procedures for the quantitation of HbA1c.
Device Story
Quantimetrix GlycoHemosure HbA1c Control; ready-to-use liquid quality control material; human blood base matrix; fortified with stabilizers and preservatives; used in clinical laboratories to monitor precision of HbA1c quantitation procedures; provides two levels of HbA1c concentrations; replaces lyophilized controls; eliminates reconstitution steps; stored at 2-8°C; stable for 30 days after opening; assists laboratory personnel in verifying assay performance and ensuring accurate patient results.
Clinical Evidence
No clinical data. Bench testing only.
Technological Characteristics
Liquid, ready-to-use control; human blood base matrix; contains stabilizers and antibiotics; 2 ml fill volume; stored at 2-8°C; 30-day open-vial stability; two concentration levels (L1: 4.0–6.0%, L2: 9.0–18.0%).
Indications for Use
Indicated for use as a quality control material for laboratory procedures measuring HbA1c levels. No specific patient population, age, or disease state contraindications are applicable as this is an in vitro diagnostic control product.
Regulatory Classification
Identification
A hematology quality control mixture is a device used to ascertain the accuracy and precision of manual, semiautomated, and automated determinations of cell parameters such as white cell count (WBC), red cell count (RBC), platelet count (PLT), hemoglobin, hematocrit (HCT), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), and mean corpuscular hemoglobin concentration (MCHC).
Special Controls
*Classification.* Class II (special controls). Except when intended for use in blood components, the device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 864.9.
Predicate Devices
Lyphochek Diabetes Control (Bio-Rad Laboratories)
Related Devices
K023032 — LIQUITROL, LIQUID HUMAN GLYCOSYLA,TED HEMOGLOBIN (A1C) CONTROL - NORMAL/ABNORMAL · Bioresource Technology, Inc. · Oct 8, 2002
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510(k) SUBSTANTIAL EQUIVALENCE DETERMINATION
DECISION SUMMARY
DEVICE ONLY TEMPLATE
A. 510(k) Number: K032791
B. Analyte: Hemoglobin A1c
C. Type of Test: N/A
D. Applicant: Quantimetrix Corporation.
E. Proprietary and Established Names: Quantimetrix GlycoHemosure HbA1c Control
F. Regulatory Information:
1. Regulation section: 21 CFR §864.8625 Control, Hemoglobin
2. Classification: Class II
3. Product Code: GGM
4. Panel: 81
G. Intended Use:
1. Intended use(s):
The Quantimetrix GlycoHemosure controls are intended for the quality control of laboratory procedures for the quantitation of HbA1c.
2. Indication(s) for use:
The Quantimetrix GlycoHemosure is intended for the quality control of laboratory procedures for the quantitation on HbA1c.
3. Special condition for use statement(s): None
4. Special instrument Requirements: None
H. Device Description:
The Quantimetrix GlycoHemosure Controls are supplied as ready-to-use liquid requiring no reconstitution. The Quantimetrix GlycoHemosure consists of human blood components with clinically significant HbA1c levels as manufacturing
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targets. Packed red blood cells from a number of non-diabetic donors is pooled, fortified with stabilizers and preservative and used as the base matrix for the formulation of controls at the specified target ranges.
# I. Substantial Equivalence Information:
1. Predicate device name(s):
Bio-Rad Laboratories, Lypochek Diabetes Control
2. Predicate K number(s):
k831478
3. Comparison with predicate:
| | Quantimetrix Corporation. GlycoHemosure | Bio-Rad Laboratories Lypochek Diabetes Control |
| --- | --- | --- |
| Indication for use | The Quantimetrix GlycoHemosure is intended for the quality control of laboratory procedures for the quantitation of HbA1c. | As a quality control lysate to monitor the precision of laboratory procedures for measurement of HbA1c and HbA1. |
| Type of Material | Liquid, ready-to-use control (2 levels) | Lyophilized control (2 levels) |
| Matrix | Human blood, stabilizers and preservative. | Human blood, preservative, stabilizers. |
| Analyte | HbA1c | HbA1c, HbA1 |
| Preservative | Antibiotics | Not known |
| Packaging | 4x2 ml (glass vial with TRISEAL cap) per kit (level 1: 2 vials, level 2: 2 vials) | 6x0.5 ml (glass vial with crimp seal) per kit (level 1: 3 vials, level 2: 3 vials) |
| Stability claims | Stable until the expiration date when stored at 2-8°C. Once opened the material is stable for 30 days when stored at 2-8°C. | The product will be stable until the expiration date when stored unopened at 2 to 8°C. Once the control is reconstituted, all analytes will be stable for 7 days when stored tightly capped at 2 to 8°C. |
| Analytes | HbA1c: L1 4.0 – 6.0% L2 9.0 – 18.0% | HbA1c: L1 4.7 – 13.0% L2 5.6 – 15.6% |
The predicate device and the GlycoHemosure control contain similar matrices, analyte and analyte concentration. They also have similar stability claims.
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Similarities between the Quantimetrix control and the predicate device:
- both have a base matrix of human blood
- both have similar stability claims
- both cover the clinically significant HbA1c concentration ranges
- both contain preservatives
Differences between the Quantimetrix control and the predicate device:
- the predicate is lyophilized while the Quantimetrix product is liquid.
- the fill volume is higher for the Quantimetrix product (2 ml vs. 0.5 ml)
- the predicate device consists of diabetic blood while the Quantimetrix product has been glycated in vitro
J. Standard/Guidance Document Referenced (if applicable):
FDA guidance “Points to Consider Guidance Document on Assayed and Unassayed Quality Control Materials”.
K. Test Principle: NA
L. Performance Characteristics (if/when applicable):
1. Analytical performance:
a. Precision/Reproducibility: NA
b. Linearity/assay reportable range: NA
c. Traceability (controls, calibrators, or method): Not Stated
d. Detection limit: NA
e. Analytical specificity: NA
f. Assay cut-off: NA
2. Comparison studies:
a. Method comparison with predicate device: NA
b. Matrix comparison: NA
3. Clinical studies:
a. Clinical sensitivity: NA
b. Clinical specificity: NA
c. Other clinical supportive data (when a and b are not applicable): NA
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4. Clinical cut-off: NA
5. Expected values/Reference range:
The assigned ranges for these controls are based upon replicate assays of representative samples of the product by participating laboratories in accordance with established protocol. All values have been assigned with instruments and instrument manufacturer's reagents available at the time of assay. Subsequent instrument or reagent modifications may invalidate these assigned ranges.
Expected values may vary slightly with different reagent and/or methodologies used. Refer to the included table for values obtained for specific systems. Values listed are specific for this lot of control only. Good laboratory practice suggests that each laboratory establish its own parameters.
M. Conclusion:
Based on the information provided, I recommend that the Quantimetrix Corporation GlycoHemosure HbA1c Control is substantially equivalent to the predicate device.
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