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510(k) Data Aggregation
(240 days)
Hycor Biomedical
The NOVEOS Specific IgE Assay is an in vitro quantitative assay for the measurement of allergen specific IgE in human serum. NOVEOS Specific IgE Assay is to be used with the NOVEOS Immunoassay Analyzer. It is intended for use as an in vitro diagnostic aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with other clinical findings and is to be used in clinical laboratories.
The NOVEOS Specific IgE Assay is an immunometric, chemiluminescent procedure for the quantitative determination of IgE of known specificity in human serum samples. It employs fluorescent labelled magnetic, streptavidin coated microparticles which are incubated with a biotinylated allergenic capture reagent, patient sample and monoclonal anti‐human IgE antibody: horseradish peroxidase conjugate. If present in the sample, IgE binds to the biotinylated allergen captured to the streptavidin‐coated microparticles to form a complex. After a final wash, the resulting complex is incubated with the enzyme substrate and a chemiluminescent signal is generated, the magnitude of which is proportional to the concentration of IgE in the patient sample. The concentration of allergen‐specific IgE is determined from a standard curve, which is traceable to the World Health Organization (WHO) reference reagent serum Immunoglobulin E (IgE) 11/234.
The provided FDA 510(k) clearance letter and summary for the NOVEOS Specific IgE (sIgE) Assay outlines the device's performance, but it does NOT describe "acceptance criteria" in an explicit, quantifiable manner that is typically found in a clinical study report. Instead, the document presents study results and compares them to a predicate device (ImmunoCAP Specific IgE) to demonstrate substantial equivalence, and also to clinical diagnosis of allergic status. The closest approximations to acceptance criteria are implicit in the performance metrics presented (e.g., target ranges for sensitivity, specificity, agreement, precision, linearity).
This device is an in vitro diagnostic (IVD) assay, not an AI/ML-based diagnostic imaging or analysis system. Therefore, the concepts of "human readers improve with AI vs without AI assistance," "standalone (algorithm only) performance," "number of experts," "adjudication method," and "training set ground truth establishment" do not directly apply in the same way they would for AI-powered diagnostic imaging devices. The "ground truth" for this IVD device is established through reference methods (Skin Prick Test, Oral Food Challenge, ImmunoCAP predicate device) or established clinical diagnosis.
Here's a breakdown of the information that is provided and how it relates to the requested points, with interpretations where necessary for IVD context:
1. Table of Acceptance Criteria and Reported Device Performance
As mentioned, explicit acceptance criteria are not stated. However, the performance data presented effectively serves as the "reported device performance" that presumably met the FDA's requirements for substantial equivalence. I will present the key performance metrics from the document.
Key Performance Metrics (Implicit Acceptance Criteria)
Performance Characteristic | Implicit Acceptance Criteria (based on predicate/clinical utility) | Reported Device Performance (NOVEOS sIgE Assay) |
---|---|---|
Clinical Sensitivity | Sufficient for clinical diagnostic aid (e.g., comparable to existing methods, supports clinical utility) | Varies by Allergen: |
- G010 (Johnson Grass): 72.9% (95% CI 62.7% to 81.2%)
- T007 (Oak): 71.7% (95% CI 58.4% to 82.0%)
- G002 (Bermuda Grass): 76.1% (95% CI 66.3% to 83.8%)
- W001 (Common Ragweed): 62.0% (95% CI 50.3% to 72.4%)
- E005 (Dog Dander): 71.9% (95% CI 54.6% to 84.4%)
- T003 (Common Silver Birch): 55.1% (95% CI 41.3% to 68.1%)
- F001 (Egg White): 52.8% (95% CI 37.0% to 68.0%)
- F002 (Cow's Milk): 50.0% (95% CI 34.1% to 65.9%)
Literature citation provided for lower sensitivity values to support observed performance. |
| Clinical Specificity | High, to minimize false positives | Varies by Allergen: - G010 (Johnson Grass): 99.2% (95% CI 95.9% to 99.9%)
- T007 (Oak): 97.8% (95% CI 92.5% to 99.4%)
- G002 (Bermuda Grass): 97.1% (95% CI 92.9% to 98.9%)
- W001 (Common Ragweed): 93.6% (95% CI 86.8% to 97.0%)
- E005 (Dog Dander): 100.0% (95% CI 95.2% to 100.0%)
- T003 (Common Silver Birch): 100.0% (95% CI 93.2% to 100.0%)
- F001 (Egg White): 100.0% (95% CI 97.4% to 100.0%)
- F002 (Cow's Milk): 100.0% (95% CI 97.2% to 100.0%) |
| Positive Agreement (vs. ImmunoCAP) | High, demonstrating comparability to predicate device | Varies by Allergen: - G010 (Johnson Grass): 84.7%
- T007 (Oak): 83.8%
- G002 (Bermuda Grass): 89.4%
- W001 (Common Ragweed): 72.8%
- E005 (Dog Dander): 91.7%
- T003 (Common Silver Birch): 96.0%
- F001 (Egg White): 89.6%
- F002 (Cow's Milk): 64.5% |
| Negative Agreement (vs. ImmunoCAP) | High, demonstrating comparability to predicate device | Varies by Allergen: - G010 (Johnson Grass): 99.3%
- T007 (Oak): 94.6%
- G002 (Bermuda Grass): 96.8%
- W001 (Common Ragweed): 95.0%
- E005 (Dog Dander): 96.7%
- T003 (Common Silver Birch): 96.1%
- F001 (Egg White): 96.2%
- F002 (Cow's Milk): 98.9% |
| Total Agreement (vs. ImmunoCAP) | High, demonstrating overall comparability | Varies by Allergen: - G010 (Johnson Grass): 92.5%
- T007 (Oak): 88.5%
- G002 (Bermuda Grass): 93.8%
- W001 (Common Ragweed): 82.2%
- E005 (Dog Dander): 94.1%
- T003 (Common Silver Birch): 96.0%
- F001 (Egg White): 94.3%
- F002 (Cow's Milk): 86.9% |
| Precision (Total %CV) | Typically low %CV for quantitative assays (e.g.,
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(29 days)
Hycor Biomedical
The NOVEOS Specific IgE Assay is an in vitro quantitative assay for the measurement of allergen specific IgE in human serum. NOVEOS Specific IgE Assay is to be used with the NOVEOS Immunoassay Analyzer. It is intended for use as an in vitro diagnostic aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with other clinical findings and is to be used in clinical laboratories.
The NOVEOS Specific IgE Assay is an immunometric, chemiluminescent procedure for the quantitative determination of IgE of known specificity in human serum samples. It employs fluorescent labelled magnetic, streptavidin coated microparticles which are incubated with a biotinylated allergenic capture reagent, patient sample and monoclonal anti-human IgE antibody: horseradish peroxidase conjugate. If present in the sample, IgE binds to the biotinylated allergen captured to the streptavidin-coated microparticles to form a complex. After a final wash, the resulting complex is incubated with the enzyme substrate and a chemiluminescent signal is generated, the magnitude of which is proportional to the concentration of IgE in the patient sample.
The concentration of allergen-specific IgE is determined from a standard curve, which is traceable to the World Health Organization (WHO) reference reagent serum Immunoglobulin E (IgE) 11/234.
Here's a breakdown of the acceptance criteria and the study information for the NOVEOS Specific IgE (sIgE) Assay, Capture Reagent M006, Alternaria alternata, based on the provided text:
Acceptance Criteria and Reported Device Performance
Acceptance Criteria Category | Acceptance Criteria (Specific Value/Target) | Reported Device Performance (Value/Range) | Comments |
---|---|---|---|
Clinical Performance | Positive Agreement (vs. predicate ImmunoCAP) | 91.7% (95% CI: 84.9% to 95.6%) | Met |
Negative Agreement (vs. predicate ImmunoCAP) | 98.0% (95% CI: 94.2% to 99.3%) | Met | |
Clinical Sensitivity (vs. clinical diagnosis) | 64.6% (95% CI 52.5% to 75.1%) | Met | |
Clinical Specificity (vs. clinical diagnosis) | 99.1% (95% CI 95.3% to 99.8%) | Met | |
Precision/Reproducibility | Total CV for LoQ15 | 11.3% | Met (Individual CV values vary by sample and type of imprecision, but the reported values indicate acceptable precision). |
Total CV for LoQ33 | 7.0% | Met | |
Total CV for NOVEOS Pos Sample | 11.7% | Met | |
Total CV for Lyphochek Pos Sample | 8.9% | Met | |
Total CV for PP46 | 7.9% | Met | |
Total CV for PP28 | 7.4% | Met | |
Lot-to-Lot Imprecision | Total CV for LoQ15 | 10.8% | Met |
Total CV for LoQ33 | 7.9% | Met | |
Total CV for NOVEOS Pos Sample | 11.6% | Met | |
Total CV for Lyphochek Pos Sample | 8.9% | Met | |
Total CV for PP46 | 8.5% | Met | |
Total CV for PP28 | 7.8% | Met | |
Site-to-Site Reproducibility | Total CV for NOV | 5.4% | Met |
Total CV for PP74 | 10.9% | Met | |
Total CV for PP75 | 10.1% | Met | |
Total CV for PP76 | 10.1% | Met | |
Total CV for PP77 | 14.0% | Met | |
Linearity | R² value | 1.000 | Met (Indicating excellent linearity) |
Slope (95% CI) | 0.99 to 1.01 | Met (Close to 1.00) | |
Intercept (95% CI) | -0.16 to 0.07 | Met (Close to 0) | |
Detection Limits | LoB | 0.03 kU/L | Met |
LoD | 0.04 kU/L | Met | |
LoQ (claimed) | 0.17 kU/L | Determined to be 0.12 kU/L, so the claimed 0.17 kU/L is met. | |
Reference Range | Expected value for non-atopic person | Negative ( |
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(88 days)
Hycor Biomedical
The NOVEOS Specific IgE Assay is an in vitro quantitative assay for the measurement of allergen specific IgE in human serum. NOVEOS Specific IgE Assay is to be used with the NOVEOS Immunoassay Analyzer. It is intended for use as an in vitro diagnostic aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with other clinical findings and is to be used in clinical laboratories.
The NOVEOS Specific IgE Assay is an immunometric, chemilyminescent procedure for the quantitative determination of IgE of known specificity in human serum samples. It employs fluorescent labelled magnetic, streptavidin coated microparticles which are incubated with a biotinylated allergenic capture reagent, patient sample and monoclonal anti-human IgE antibody: horseradish peroxidase conjugate. After a final wash, the resulting complex is incubated with the enzyme substrate and a chemiluminescent signal is generated, the magnitude of which is proportional to the concentration of IgE in the patient sample. The concentration of allergen-specific IgE is determined from a standard curve, which is traceable to the World Health Organization (WHO) reference reagent serum Immunoglobulin E (IqE) 11/234.
This document describes the validation of the NOVEOS Specific IgE (sIgE) assays for Cat Dander (E001, Felis domesticus) and Timothy Grass (G006, Phleum pratense). This is a quantitative in vitro diagnostic device, not an AI/ML powered device. Therefore, many of the typical acceptance criteria for AI models, such as MRMC studies, ground truth establishment by experts, and training set details, are not applicable.
The acceptance criteria for this device are based on its analytical and clinical performance when compared to a legally marketed predicate device (ImmunoCAP Specific IgE Assay) and clinical diagnosis.
1. Table of Acceptance Criteria and Reported Device Performance
The acceptance criteria are generally implied by the performance metrics reported and the statistical analysis acceptable for FDA clearance of an in vitro diagnostic device of this type. The key performance indicators for a quantitative assay would typically include linearity, precision (imprecision/reproducibility), agreement with a predicate device, and clinical concordance (sensitivity and specificity).
Performance Table for NOVEOS Specific IgE (sIgE) Assays
Performance Metric | Acceptance Criteria (Implied) | Reported Device Performance (E001 - Cat Dander) | Reported Device Performance (G006 - Timothy Grass) |
---|---|---|---|
Agreement with Predicate | To demonstrate substantial equivalence, percentages should be high (e.g., >90% for PPA and >95% for NPA, or similar ranges). Precision of CI is also important. | PPA: 91.8% (95% CI: 84.6% – 95.8%) | |
NPA: 99.3% (95% CI: 96.1% to 99.9%) | |||
(Cut-off: 0.35 kU/L) | PPA: 86.4% (95% CI: 78.5% to 91.7%) | ||
NPA: 98.5% (95% CI: 94.6% to 99.6%) | |||
(Cut-off: 0.35 kU/L) | |||
Clinical Performance | Clinical sensitivity and specificity should demonstrate adequate diagnostic accuracy. Typical acceptance ranges for IVDs might be >70-80% for sensitivity and >90% for specificity, depending on the clinical context. | Sensitivity: 75.7% (95% CI 64.5% to 84.2%) | |
Specificity: 100% (95% CI 97.1% to 100%) | Sensitivity: 76.2% (95% CI 64.4% to 85.0%) | ||
Specificity: 99.2% (95% CI 95.6% to 99.9%) | |||
Imprecision/Reproducibility | Total CV% should generally be low, typically 0.99) and slope close to 1.0 with intercept close to 0, within the claimed measuring interval. | R2: 0.999 | |
Slope: 1.00 (95% CI: 0.98 to 1.01) | |||
Intercept: -0.37 (95% CI: -0.79 to -0.05) | |||
Range: 0.03 - 101.62 kU/L | R2: 0.997 | ||
Slope: 1.02 (95% CI: 0.99 to 1.05) | |||
Intercept: 0.58 (95% CI: -0.36 to 1.51) | |||
Range: 0.06 - 104.99 kU/L | |||
Detection Limit | LoQ (Limit of Quantitation) should be defined and acceptable for clinical use, typically 0.14 kU/L for specific IgE assays to distinguish very low positive from negative (this is often the action limit for clinical use). LoB and LoD values should be reported. | LoB: 0.02 kU/L | |
LoD: 0.06 kU/L | |||
LoQ: 0.14 kU/L | LoB: 0.03 kU/L | ||
LoD: 0.06 kU/L | |||
LoQ: 0.14 kU/L | |||
Interference/Cross-Reactivity | Interference from common endogenous/exogenous substances and cross-reactivity with other related/unrelated allergens or immunoglobulins should be demonstrated to be minimal (e.g., |
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(55 days)
Hycor Biomedical
The NOVEOS Specific IgE Assay is an in vitro quantitative assay for the measurement of allergen specific IgE in human serum. NOVEOS Specific IgE Assay is to be used with the NOVEOS Immunoassay Analyzer. It is intended for use as an in vitro diagnostic aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with other clinical findings and is to be used in clinical laboratories.
The NOVEOS™ Specific IgE Assay is an immunometric, chemiluminescent procedure for the quantitative determination of IgE of known specificity in human serum samples. It employs fluorescent labelled magnetic, streptavidin coated microparticles which are incubated with a biotinylated allergenic capture reagent, patient sample and monoclonal anti-human IgE antibody: horseradish peroxidase conjugate. After a final wash, the resulting complex is incubated with the enzyme substrate and a chemiluminescent signal is generated, the magnitude of which is proportional to the concentration of IgE in the patient sample.
The provided document describes the analytical and clinical performance of the NOVEOS Specific IgE (sIgE) Assay for Dermatophagoides farinae (D002), an in vitro diagnostic device. It does not describe a study involving human readers assisting with AI, but rather a laboratory-based immunoassay. Therefore, information related to "Number of experts used to establish the ground truth for the test set," "Adjudication method," and "MRMC comparative effectiveness study" is not applicable for this type of device and study.
Here's an analysis of the acceptance criteria and the study proving the device meets them, based on the provided text:
1. Table of Acceptance Criteria and Reported Device Performance
Since this is an in vitro diagnostic assay, typical acceptance criteria would involve analytical performance metrics like accuracy (compared to a predicate or clinical diagnosis), precision (reproducibility), linearity, detection limits, and interference. The document presents these results rather than explicit "acceptance criteria" tables. However, we can infer the implicit criteria from the reported data.
Performance Characteristic | Implicit Acceptance Criteria (Inferred from study design/results) | Reported Device Performance (NOVEOS sIgE, D002) |
---|---|---|
Accuracy (vs. Predicate) | High percent agreement with legally marketed predicate device (ImmunoCAP d2). | Total Percent Agreement (TPA): 97.4% (95% CI: 94.5% to 98.8%) |
Positive Percent Agreement (PPA): 94.1% (95% CI: 87.8% to 97.3%) | ||
Negative Percent Agreement (NPA): 100.0% (95% CI: 97.2% to 100.0%) | ||
(Compared to ImmunoCAP d2 using a 0.35 kU/L cutoff) | ||
Clinical Performance | Clinically acceptable sensitivity and specificity against clinical diagnosis. | Clinical Sensitivity: 77.3% (95% CI 66.7% to 85.3%) |
Clinical Specificity: 100.0% (95% CI 96.7% to 100.0%) | ||
(Compared to clinical diagnosis confirmed by skin-prick testing and clinical history, using a 0.35 kU/L cutoff) | ||
Imprecision/Reproducibility | Low coefficient of variation (CV%) for within-run, between-run, between-day, lot-to-lot, and site-to-site measurements across different IgE concentrations. | Within-Run CV%: 3.20% - 8.40% (for individual samples) |
Total Imprecision CV%: 5.50% - 10.00% (for individual samples) | ||
Lot-to-Lot Total CV%: 9.9% - 14.5% (for individual samples) | ||
Site-to-Site Reproducibility CV%: 5.7% - 11.6% (for individual samples) | ||
Linearity | Measured values should exhibit a strong linear relationship with expected values across the assay range. | Regression Equation: y=1.00x + 0.47 |
Slope (95% CI): 0.99-1.01 | ||
Intercept (95% CI): -0.90 to -0.05 | ||
R2: 1.000 | ||
(Over a dilution range of 0.04-126.49 kU/L, encompassing the measuring interval of 0.10 to 100 kU/L) | ||
Interference | Minimal interference ( |
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(85 days)
Hycor Biomedical
NOVEOS™ Immunoassay Analyzer: The NOVEOS™ Immunoassay Analyzer is an automated chemiluminescent immunoassay analyzer for measurement of analyte concentration in human specimens. It is intended for in vitro diagnostic use in the clinical laboratory.
NOVEOS™ Specific IgE (sIgE) Assay: The NOVEOS™ Specific IgE Assay is an in vitro quantitative assay for the measurement of allergen specific IgE in human serum. NOVEOS™ Specific IgE Assay is to be used with the NOVEOS™ Immunoassay Analyzer. It is intended for use as an in vitro diagnostic aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with other clinical findings and is to be used in clinical laboratories.
The NOVEOS™ Immunoassay Analyzer is a high-throughput, highly automated immunoassay platform that employs magnetic microbeads as the solid phase. The immunoassay reaction takes place in individual reaction chambers in the reaction rotor, with other rotors containing patient samples and reagents. Liquids are moved by robotic pipettors. The reaction is quantitated by a combination of chemiluminescence and fluorescence measurements compared to a calibration curve, all performed by the analyzer with the NOVEOS software.
This document is a 510(k) summary for the NOVEOS™ Specific IgE (sIgE) Assay and NOVEOS™ Immunoassay Analyzer, specifically for the House Dust Mite D001 allergen. The information provided outlines the device's technical specifications and a study demonstrating its performance compared to a predicate device and clinical diagnosis.
Here's a breakdown of the requested information based on the provided text:
1. A table of acceptance criteria and the reported device performance
The document does not explicitly state "acceptance criteria" in a table format with corresponding performance targets for each metric. However, it presents various performance metrics and their measured values. For the purpose of this request, we will infer the implicitly accepted performance based on the presented results and the fact that the device received FDA clearance.
Performance Metric | Implied Acceptance Criterion (Likely based on performance of predicate devices or industry standards) | Reported Device Performance |
---|---|---|
Precision | ||
Repeatability CV | Should be within acceptable limits for a quantitative immunoassay, implying low variability in repeated measurements. (Typically, lower CV% is better) | |
- Sample 1 | N/A (not explicitly stated, but 90-95%) with the legally marketed predicate device. | |
Positive Percent Agreement (PPA) | N/A (but typically high, e.g., >90%) | 91.5% (95% CI: 84.1% to 95.6%) |
Negative Percent Agreement (NPA) | N/A (but typically high, e.g., >95%) | 98.6% (95% CI: 94.4% to 99.6%) |
Total Percent Agreement | N/A (but typically high, e.g., >95%) | 95.7% (95% CI: 92.3% to 97.7%) |
Clinical Performance (based on 0.35 kU/L cutoff) | High sensitivity and specificity to correctly identify allergic and non-allergic individuals. | |
Clinical Sensitivity | N/A (but typically as high as possible, e.g., >70-80%) | 77% (95% CI 69% to 84%) |
Clinical Specificity | N/A (but typically as high as possible, e.g., >90%) | 100% (95% CI 97% to 100%) |
2. Sample sizes used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)
- Precision Test Set: Not explicitly stated as a separate "test set" in the context of clinical validation, but for precision determination:
- Quantitative Samples: 8 samples were used.
- Replicates: 80 replicates per sample (duplicate replicates, 2 runs/day for 20 days).
- Provenance: Not specified (country/retrospective/prospective).
- Detection Limits (LoB, LoD, LoQ) Test Set:
- LoB: 60 replicates of analyte-free samples.
- LoD: 300 replicates of low IgE samples.
- LoQ: A panel of low analyte samples, 80 replicates per sample (duplicate replicates, 2 runs/day for 20 days).
- Provenance: Not specified (country/retrospective/prospective).
- Linearity Test Set:
- Samples: Dilutions of D001 specific IgE samples. Number of distinct samples used for the dilutions not explicitly stated, but covers a concentration range of 0.03 to 133 kU/L.
- Provenance: Not specified (country/retrospective/prospective).
- Predicate Device Comparison Test Set:
- Sample Size: 234 clinical samples.
- Provenance: Not specified (country/retrospective/prospective).
- Clinical Performance Study Test Set:
- Sample Size: n=236 samples from patients.
- Sub-groups: 117 samples identified as allergic positive (atopic), 119 samples from apparently healthy, non-atopic subjects.
- Provenance: Not specified (country/retrospective/prospective).
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts
The document does not mention the use of experts in establishing the ground truth for any of the quantitative performance studies (precision, detection limits, linearity).
For the clinical performance study, the "allergic status" (atopic vs. non-atopic) was established as ground truth.
- The status of 117 samples identified as allergic positive (atopic) was confirmed by skin-prick testing.
- The other 119 samples were from "apparently healthy, non-atopic subjects with no reported allergy."
- Number of Experts: Not specified.
- Qualifications of Experts: Not specified. The skin-prick testing implies evaluation by a clinician, likely an allergist, but no details are provided about the number or qualifications of the personnel performing or interpreting these tests.
4. Adjudication method (e.g. 2+1, 3+1, none) for the test set
There is no mention of any adjudication method for the test sets. The ground truth for the comparison study is the output of the predicate ImmunoCAP system, and for the clinical study, it's based on skin-prick testing and reported allergy status. This is not a human-reader based AI study, so standard adjudication methods (like 2+1 or 3+1) would not apply.
5. If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance
No, an MRMC comparative effectiveness study was not done. This device is an automated in vitro diagnostic assay, not an AI-assisted diagnostic imaging or interpretation tool that involves human readers.
6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done
Yes, the device (NOVEOS™ Specific IgE Assay on the NOVEOS™ Immunoassay Analyzer) operates in a standalone manner without human intervention for the assay's execution and result generation. The performance data presented (precision, linearity, detection limits, agreement with predicate, and clinical performance) are intrinsic to the device's automated function.
7. The type of ground truth used (expert concensus, pathology, outcomes data, etc)
- For comparison to predicate device: The ground truth was implicitly the results obtained from the Phadia ImmunoCAP system, which is the legally marketed predicate device. This serves as a reference for substantial equivalence.
- For clinical performance study: The ground truth for individual patient samples was their clinical allergic status, determined by a combination of skin-prick testing confirmation for atopic individuals and reported non-allergic status for non-atopic subjects. This is a form of clinical outcomes/diagnosis data.
8. The sample size for the training set
The document does not explicitly mention a "training set" in the context of machine learning or AI algorithm development. This is an immunoassay system, and its development typically involves extensive analytical validation (precision, linearity, etc.) and clinical validation, rather than a distinct "training set" as understood in AI/ML. The development of such assays often involves optimization stages to establish reagents and protocols, but this isn't typically referred to as a "training set" in the same way as for AI.
9. How the ground truth for the training set was established
As there's no mention of a "training set" in the AI/ML sense, this question is not directly applicable. For the development of the assay (which could be analogized to training, though not in the AI sense), the ground truth for calibrators and controls would be established through a rigorous process of standardization and traceability, often to international reference materials (e.g., WHO reference reagent serum Immunoglobulin E (IgE) 11/234, as mentioned for the standard curve traceability).
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(22 days)
HYCOR BIOMEDICAL, INC.
The HY • TEC™ Specific and Total IgE EIA System is an enzyme immunoassay (EIA) method for the quantitative determination of allergen-specific and/or total IgE concentrations in human serum. The assay is to be used with the HY . TECTM 288 instrument for in-vitro diagnostic use. Measurement of specific allergen antibodies and total IgE may aid in the diagnosis of asthma, allergies and other pulmonary disorders.
The HY . TEC 288 Automated EIA instrument is a fully-automated system, which performs sample dilution and pipetting, incubation, washing, reading and data analysis and prints reports. The new modified MCS (Modified Classification System) Specific/Total IgE assay includes the current set of five calibrators (100, 17.5, 3.5, 0.70 and 0.35 IU/mL) and a new zero calibrator.
The HY . TEC allergy system is standardized using anti-IgE discs and reference sera calibrated against WHO 2nd IRP 75/502 and offers a broad menu of specific allergens. The HY · TEC reagents have been optimized to provide a fast, sensitive sandwich immunoassay with a dynamic range from 0.05 to 100 IU/mL. An allergen-coated paper disc is incubated with a serum sample. Non-specific proteins are removed by washing and the disc is incubated with enzyme-labeled monoclonal anti human IgE conjugate. Following a second wash, substrate color is developed. The results are read spectrophotometrically against a calibration curve; results are reported in both IU/mL and Classes. The HY . TEC MCS Specific/Total IgE assay requires only three hours of total incubation time and completes assay runs within six hours for the maximum assay size of 288 tests.
The provided document is a 510(k) summary for the HY.TEC™ Automated EIA System for Total IgE and Specific IgE. It describes the device and its intended use, and states that it is substantially equivalent to a previously cleared device. However, it does not include a detailed study proving the device meets specific acceptance criteria with performance metrics, sample sizes, ground truth establishment, or expert involvement as requested.
The document states: "Assay performance, including correlation with the predicate, analytical sensitivity, limit of detection, intra and inter assay precision, and dilution linearity demonstrate the acceptability of the zero calibrator." This sentence broadly mentions performance aspects but does not provide the acceptance criteria or reported performance values.
Therefore, I cannot populate the table or answer the specific questions about the study design in detail based solely on the provided text.
Here's an assessment based on the available information:
1. Table of Acceptance Criteria and Reported Device Performance:
Acceptance Criteria (e.g., Accuracy, Precision, LOD, Correlation) | Reported Device Performance (Value/Metric) |
---|---|
Not provided in the document. | Not provided in the document. |
(The document generally states: "Assay performance, including correlation with the predicate, analytical sensitivity, limit of detection, intra and inter assay precision, and dilution linearity demonstrate the acceptability of the zero calibrator." but no specific metrics or criteria are listed.) |
2. Sample size used for the test set and the data provenance:
- Sample size for test set: Not specified in the provided document.
- Data provenance (country of origin, retrospective/prospective): Not specified in the provided document.
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts:
- This device is an in-vitro diagnostic system for laboratory use. The "ground truth" in this context would typically be established through reference methods or clinical diagnosis, not by experts adjudicating images or cases in the way described for AI/imaging devices. No information on experts or their qualifications is provided, as it's not directly relevant to this type of device's validation as presented.
4. Adjudication method for the test set:
- Not applicable as this is an in-vitro diagnostic device and its performance is typically assessed through analytical validation (e.g., measuring known concentrations, comparing to a predicate device). No adjudication method for a "test set" is described.
5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance:
- No. This is an in-vitro diagnostic system, not an AI or imaging device involving human readers or interpretation of complex cases. Therefore, an MRMC study or AI-assistance effect size is not applicable and not mentioned.
6. If a standalone (i.e., algorithm only without human-in-the-loop performance) was done:
- The device described is an "Automated EIA System." Its inherent function is standalone (without human intervention once initiated) for sample processing, dilution, incubation, washing, reading, and data analysis. However, "standalone" in the context of AI performance studies usually refers to an AI algorithm's performance without a human in the diagnostic loop. This document doesn't describe AI or machine learning algorithms; it describes an automated laboratory instrument with chemical reactions. The performance validation would be on the instrument's analytical capabilities, which is inherently "standalone" in its operation.
7. The type of ground truth used:
- For an in-vitro diagnostic device like this, ground truth ("truth") is established by:
- Referenced Calibrators/Standards: The device is standardized using "anti-IgE discs and reference sera calibrated against WHO 2nd IRP 75/502." This serves as a primary form of ground truth for calibrating the system.
- Comparison to predicate device: The document mentions "correlation with the predicate" as part of the assay performance evaluation, implying the predicate device's results serve as a comparative standard.
- Known concentrations/samples: Analytical sensitivity, limit of detection, precision, and linearity studies usually involve testing samples with known concentrations of the analyte.
8. The sample size for the training set:
- Not applicable. This device is an automated instrument for performing immunoassays, not an AI model that requires a "training set" in the machine learning sense. The "training" would refer to calibrating the instrument using reference materials (as mentioned in point 7).
9. How the ground truth for the training set was established:
- As above, not applicable in the typical machine learning sense. The instrument is calibrated using reference sera calibrated against WHO 2nd IRP 75/502. This international standard establishes the "ground truth" for the calibrators used by the system.
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(28 days)
HYCOR BIOMEDICAL, INC.
The HY . TECTM Extended Specific IgE EIA, MCS Assay Using The Tecan Freedom EVO® RSP 200 is an enzyme immunoassay (EIA) method for the quantitative determination of allergen-specific IgE concentrations in human serum. The assay system is for in-vitro diagnostic use. Measurement of specific allergen antibodies may aid in the diagnosis of asthma, allergies, and other pulmonary disorders.
The EVO RSP 200 Automated EIA instrument is a fully-automated system, which performs sample dilution and pipetting, incubation, washing, reading and data analysis and prints reports. The EVO RSP 200 Automated EIA System for Specific IgE performs the same functions as the HY . TEC 480 Automated EIA System. The specific IgE assay for both systems, the HY .TEC 480 and the EVO RSP 200, is the same (utilizes same reagents and procedures) except for the following: A zero calibrator is being added to the current set of five calibrators (0.35, 0.7, 3.5, 17.5 and 100 IU/mL) for the EVO Specific IgE assay. The incubation times and temperatures have been changed. The HY . TEC 480 and EVO RSP 200 allergy systems are standardized using anti-IgE discs and reference sera calibrated against WHO 2nd IRP 75/502 and offers a broad menu of specific allergens. An allergen-coated paper disc is incubated with a serum sample. Non-specific proteins are removed by washing and the disc is incubated with enzyme-labeled monoclonal anti human IgE conjugate. Following a second wash, substrate color is developed. The results are read spectrophotometrically against a calibration curve; results are reported in both IU/mL and Classes.
The provided text describes a 510(k) submission for a medical device called "The HY•TEC™ Extended Specific IgE EIA, MCS Assay Using The Tecan Freedom EVO® RSP 200". This document focuses on demonstrating substantial equivalence to a predicate device and outlines the intended use and a brief comparison.
Unfortunately, the input document does not provide explicit acceptance criteria or detailed results of a study to demonstrate the device meets these criteria. Instead, it states that "Validation of software, instrument functions and assay performance, including correlation with the predicate, intra and inter assay precision, limits of detection and quantitation, and dilution linearity demonstrate the acceptability of the EVO RSP 200." However, it does not present the specific acceptance thresholds for these performance metrics or the actual reported values.
Therefore, I cannot populate most of the requested sections accurately based on the provided text. I will address the points that can be inferred or explicitly stated.
Acceptance Criteria and Study Details:
1. Table of Acceptance Criteria and Reported Device Performance
Performance Metric | Acceptance Criteria | Reported Device Performance |
---|---|---|
Correlation with predicate | Not specified | "demonstrate acceptability" |
Intra-assay precision | Not specified | "demonstrate acceptability" |
Inter-assay precision | Not specified | "demonstrate acceptability" |
Limits of detection (LoD) | Not specified | "demonstrate acceptability" |
Limits of quantitation (LoQ) | Not specified | "demonstrate acceptability" |
Dilution linearity | Not specified | "demonstrate acceptability" |
Software validation | Not specified | "demonstrate acceptability" |
Instrument functions validation | Not specified | "demonstrate acceptability" |
Note: The document states that these metrics were validated and demonstrated acceptability, but it does not specify the quantitative acceptance criteria or the actual performance values obtained.
2. Sample Size Used for the Test Set and Data Provenance
The document does not specify the sample size used for the test set or the data provenance (e.g., country of origin, retrospective/prospective). It generally refers to "validation of software, instrument functions and assay performance."
3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications
This information is not provided in the document. The type of device (an in-vitro diagnostic system for quantitative determination of allergen-specific IgE) typically relies on analytical performance studies rather than expert-derived ground truth from images or clinical assessments in the way, for example, a radiology AI would.
4. Adjudication Method for the Test Set
This is not applicable and not provided as the device is an in-vitro diagnostic assay, not a system requiring human expert adjudication for its primary performance evaluation.
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study was done
No, an MRMC comparative effectiveness study was not done. This type of study is relevant for imaging devices where human readers interpret results, often with and without AI assistance. This device is an in-vitro diagnostic instrument for quantitative measurement of IgE.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Study was done
This device is an in-vitro diagnostic instrument, not an algorithm that operates standalone in a clinical context. Its "standalone" performance would be its analytical performance (precision, accuracy, LoD, LoQ, linearity), which were generally stated to have been validated, but specific study details are not provided. The device itself is "fully-automated" for its specified functions.
7. The Type of Ground Truth Used
For this type of in-vitro diagnostic device, the "ground truth" for analytical performance studies would typically be established through:
- Reference materials/standards: Calibrators (e.g., WHO 2nd IRP 75/502) and controls with known IgE concentrations.
- Comparison to a gold standard method or predicate device: As indicated by "correlation with the predicate" in the document.
The document mentions that the system is "standardized using anti-IgE discs and reference sera calibrated against WHO 2nd IRP 75/502." This suggests the basis for quantitative accuracy.
8. The Sample Size for the Training Set
The document does not provide any information regarding a "training set" or its sample size. This is consistent with an in-vitro diagnostic assay validation rather than a machine learning model development.
9. How the Ground Truth for the Training Set was Established
This is not applicable as the document does not describe a training set in the context of machine learning. The device's "training" in a broad sense would relate to its calibration and standardization, as mentioned with the WHO reference standard.
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(84 days)
HYCOR BIOMEDICAL LTD.
Enzyme linked immunosorbent assay method for the semi-quantitative determination of specific IgG autoantibodies to tissue transglutaminase (tTg) in human serum.
Uses:
The results of the anti-fTg assay can be used as an aid in the diagnosis of Coeliac Disease. Levels of these autoantibodies are one indicator in a multi-factorial diagnostic regime.
In addition to the manual assay protocol, this device has been validated for use with the HYCOR HY.TEC automated EIA instrument.
For in vitro diagnostic use only.
Enzyme linked immunosorbent assay method for the semi-quantitative determination of specific IgG autoantibodies to tissue transglutaminase (tTg) in human serum.
Here's an analysis of the provided text regarding the AUTOSTAT™ II Anti-Tissue Transglutaminase IgG ELISA device, focusing on acceptance criteria and study data:
Acceptance Criteria and Device Performance
The provided document is a 510(k) clearance letter from the FDA, which primarily confirms substantial equivalence to a predicate device. It does not explicitly state specific acceptance criteria (e.g., sensitivity, specificity thresholds) or detailed reported device performance metrics (e.g., actual sensitivity and specificity percentages) from internal validation studies.
The "Indications For Use" section describes the intended use of the device, which implicitly defines the performance characteristics it must demonstrate to be deemed safe and effective.
Here's a breakdown of what can be inferred:
1. Table of Acceptance Criteria and Reported Device Performance:
Acceptance Criteria (Inferred from "Indications for Use") | Reported Device Performance (Not explicitly detailed in this document) |
---|---|
Aid in the diagnosis of Coeliac Disease. | The FDA deemed the device substantially equivalent to a legally marketed predicate, implying its performance meets acceptable standards for its intended use. |
Semi-quantitative determination of specific IgG autoantibodies to tissue transglutaminase (tTg) in human serum. | The device performs this function. |
Validation for use with the HYCOR HY.TEC automated EIA instrument. | This validation was successfully completed. |
For in vitro diagnostic use only. | The device is intended for in vitro diagnostic use. |
Important Note: The FDA's 510(k) clearance process focuses on substantial equivalence. Detailed performance data, including specific sensitivity, specificity, accuracy, and precision with corresponding statistical analysis, would have been submitted by the manufacturer in their 510(k) application. This document is the outcome of that review, not the detailed performance report itself. Therefore, the specific numerical performance metrics are not available in this particular FDA letter.
2. Sample size used for the test set and the data provenance:
- Not specified in this document. The FDA letter does not include details on the sample size used for validation studies.
- Data Provenance: Not specified in this document. The country of origin for the data or whether it was retrospective or prospective is not mentioned.
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts:
- Not specified in this document. The FDA letter does not detail the methodologies for establishing ground truth in the manufacturer's studies.
4. Adjudication method (e.g., 2+1, 3+1, none) for the test set:
- Not specified in this document. The document does not provide details on how discrepancies in ground truth establishment were resolved.
5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance:
- Not applicable. This device is an Enzyme-Linked Immunosorbent Assay (ELISA), which is a laboratory test, not an imaging device or AI-assisted diagnostic tool that would involve human "readers" or "interpreters" in the context of an MRMC study.
6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done:
- Partially applicable, but not explicitly detailed as "standalone AI performance." As an ELISA, the device's performance is inherently "standalone" in the sense that the test results are generated by the assay itself without real-time human interpretation in the way an imaging AI works. The document states it's validated for use with an automated EIA instrument, suggesting it operates without direct human intervention once initiated. However, the exact performance metrics of this "standalone" (algorithm-only) aspect are not provided in this letter.
7. The type of ground truth used (expert consensus, pathology, outcomes data, etc.):
- Not specified in this document. For a diagnostic test like this, ground truth for Coeliac Disease diagnosis would typically involve a combination of clinical assessment, endoscopy with duodenal biopsy showing characteristic pathology, and resolution of symptoms on a gluten-free diet. The specific methods used in the manufacturer's studies are not detailed here.
8. The sample size for the training set:
- Not applicable/Not specified. ELISA devices are not "trained" in the same way machine learning models are. They are biochemical assays developed and optimized based on chemical principles and validation studies, rather than using a "training set" to learn patterns.
9. How the ground truth for the training set was established:
- Not applicable. As explained above, the concept of a "training set" and associated ground truth establishment for AI/ML purposes does not directly apply to the development of an ELISA assay. The development involves optimization of reagents, reaction conditions, and calibration, which are different processes.
In summary: The provided FDA 510(k) clearance letter confirms the device's substantial equivalence and intended use. However, it does not contain the detailed technical specifications or study results (like sample sizes, expert qualifications, specific performance metrics, or ground truth methodologies) that would typically be found in the manufacturer's full 510(k) submission or a peer-reviewed publication.
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(50 days)
HYCOR BIOMEDICAL LTD.
Enzyme linked immunosorbent assay method for the scmi-quantitative determination specific IgA autoantibodies to tissue transglutaminase (tTg) in human securi.
Uses:
The results of the anti-tTg assay can be used as an aid in the diagnosis of auto-immun diseases associated with elevated levels of anti-tTg antibodies including Coeliac Discuss a Levels of these autoantibodies are one indicator in a multi-factorial diagnostic regine.
This device can be used with the HYCOR HY.TEC automated EIA instrument.
For in vitro diagnostic use only.
Prescription Use (Per 21 CFR 801.109)
Enzyme linked immunosorbent assay method for the scmi-quantitative determination specific IgA autoantibodies to tissue transglutaminase (tTg) in human securi.
I am sorry, but based on the limited information provided in the input text, I cannot describe the acceptance criteria and the study that proves the device meets them with the level of detail requested. The provided text is a premarket notification letter from the FDA regarding the "Autostat II Anti-tTg IgA ELISA" device, indicating its substantial equivalence to a predicate device.
The document lacks specific details on:
- Acceptance criteria and reported device performance table: While it mentions the device is "substantially equivalent," it doesn't provide the quantitative or qualitative metrics for this equivalence or what performance targets were set.
- Sample size and data provenance for the test set: There is no mention of a test set, its size, the country of origin of the data, or whether it was retrospective or prospective.
- Number and qualifications of experts for ground truth: No information on expert involvement for ground truth establishment is present.
- Adjudication method for the test set: Not mentioned.
- MRMC comparative effectiveness study: No information on such a study or any effect size related to AI assistance. The device is an ELISA, not an AI-assisted diagnostic.
- Standalone performance study: While the device itself performs a test, the document doesn't detail a standalone study with specific performance metrics (e.g., sensitivity, specificity, accuracy).
- Type of ground truth used: It states the device aids in diagnosing diseases like Celiac Disease based on anti-tTg antibodies, but it does not describe how the ground truth for studying the device's performance was established (e.g., against biopsy, clinical consensus, pathology).
- Sample size for the training set: Not mentioned. This would typically be relevant for AI/ML devices, which this ELISA is not.
- How ground truth for the training set was established: Not mentioned.
The document primarily focuses on the regulatory determination of substantial equivalence. To answer your request comprehensively, information from the actual 510(k) submission, including performance studies and detailed methodologies, would be required.
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(52 days)
HYCOR BIOMEDICAL LTD.
Enzyme linked immunosorbent assay method for the semi-quantitative determination of specific IgA autoantibodies to cardiolipin in human serum.
Uses:
The results of the anti-cardiolipin assay can be used as an aid in the diagnosis of autoimmune diseases associated with elevated levels of anti-cardiolipin antibodies including anti-phospholipid syndrome. Levels of these autoantibodies are one indicator in a multifactorial diagnostic regime.
This device can be used with the HYCOR HY•TEC automated EIA instrument.
For in vitro diagnostic use only.
Prescription use
Enzyme linked immunosorbent assay method for the semi-quantitative determination of specific IgA autoantibodies to cardiolipin in human serum.
The provided text is a 510(k) premarket notification letter from the FDA regarding the Autostat™ II Anti-Cardiolipin IgA ELISA device.
Unfortunately, this document does not contain the information requested in your prompt regarding acceptance criteria, study details, sample sizes, ground truth establishment, or expert qualifications.
The letter explicitly states: "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..."
This indicates that the FDA's decision is based on substantial equivalence to a predicate device, rather than a detailed presentation and review of a specific clinical performance study with acceptance criteria and ground truth validation for this particular device. The document primarily focuses on regulatory approval based on this equivalence and general controls, not on specific performance data from a new clinical study.
Therefore, I cannot provide the requested information based solely on the text provided. To answer your questions, I would need to review the actual 510(k) submission and its supporting documentation, which would contain the performance data and study details.
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