K Number
K973414
Device Name
ACE PHENYTOIN REAGENT, AED CALIBRATORS
Date Cleared
1997-11-04

(56 days)

Product Code
Regulation Number
862.3350
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP Authorized
Intended Use
ACE® Phenytoin Reagent is intended for use in the quantitative determination of phenytoin in human serum. ACE® Phenytoin Reagent is intended for the quantitative determination of phenytoin in serum using the ACE® clinical chemistry analyzer. Phenytoin is one of the most widely prescribed anti-convulsant drugs for the treatment of epilepsy, particulary grand mal epilepsy (major motor), corticol focal seizures and temporal lobe epilepsy.
Device Description
The ACE® Phenytoin Reagent contains two reagents, an Antibody/Substrate reagent and an Enzyme Conjugate reagent. The assay uses specific antibodies to phenytoin and is based on the competition of an enzyme glucose-o-phosphate dehydrogenase (G6PDH) labeled drug and the free drug from the sample, for a fixed amount of specific antibody binding sites. In the absence of free drug from the sample, the drug-labeled G6PDH is bound by the specific antibody and the enzyme activity is inhibited. This phenomenon creates a relationship between drug concentration in the sample and the enzyme activity. The enzyme G6PDH activity is determined bichromatically on the ACE® at 340/505 nm by measuring its ability to convert NAD* to NADH.
More Information

No
The device description details a chemical assay based on enzyme activity and antibody binding, with no mention of AI or ML technologies. The performance studies focus on standard analytical chemistry metrics like precision and correlation.

No.
This device is an analytical reagent used for the quantitative determination of phenytoin in human serum, which is a diagnostic purpose, not a therapeutic one.

Yes

Explanation: The "Intended Use / Indications for Use" section states that the device is for the "quantitative determination of phenytoin in human serum," and phenytoin levels are measured to guide the treatment of epilepsy. This measurement is used to determine a patient's condition or disease or to determine the state of health, which falls under the definition of a diagnostic device.

No

The device description clearly states it is a reagent kit containing two reagents (Antibody/Substrate and Enzyme Conjugate) used with a clinical chemistry analyzer (ACE®). This indicates it is a chemical product and not a software-only device.

Yes, this device is an IVD (In Vitro Diagnostic).

Here's why:

  • Intended Use: The intended use explicitly states "quantitative determination of phenytoin in human serum." This is a classic example of an in vitro diagnostic test, as it analyzes a sample (serum) taken from the human body outside of the body to provide information about a medical condition (phenytoin levels for epilepsy treatment).
  • Device Description: The description details a chemical assay that uses reagents to measure a substance (phenytoin) in a biological sample (serum). This is the core function of an IVD.
  • Performance Studies: The inclusion of performance studies like precision and method correlation against another device (Hitachi 717) is typical for IVD submissions to regulatory bodies.
  • Predicate Device: The mention of a predicate device (K945725; Diagnostic Reagents, Inc. (DRI) - Phenytoin Reagent) which is also an IVD, further confirms the classification of this device.

The information provided clearly aligns with the definition and characteristics of an In Vitro Diagnostic device.

N/A

Intended Use / Indications for Use

ACE® Phenytoin Reagent is intended for use in the quantitative determination of phenytoin in human serum.

ACE® Phenytoin Reagent is intended for the quantitative determination of phenytoin in serum using the ACE® clinical chemistry analyzer.

Product codes

DIP

Device Description

The ACE® Phenytoin Reagent contains two reagents, an Antibody/Substrate reagent and an Enzyme Conjugate reagent. The assay uses specific antibodies to phenytoin and is based on the competition of an enzyme glucose-o-phosphate dehydrogenase (G6PDH) labeled drug and the free drug from the sample, for a fixed amount of specific antibody binding sites. In the absence of free drug from the sample, the drug-labeled G6PDH is bound by the specific antibody and the enzyme activity is inhibited. This phenomenon creates a relationship between drug concentration in the sample and the enzyme activity. The enzyme G6PDH activity is determined bichromatically on the ACE® at 340/505 nm by measuring its ability to convert NAD* to NADH.

Mentions image processing

Not Found

Mentions AI, DNN, or ML

Not Found

Input Imaging Modality

Not Found

Anatomical Site

Not Found

Indicated Patient Age Range

Not Found

Intended User / Care Setting

Not Found

Description of the training set, sample size, data source, and annotation protocol

Not Found

Description of the test set, sample size, data source, and annotation protocol

Not Found

Summary of Performance Studies

Non-clinical test results submitted in the premarket notification include within-run and between-run precision and method correlation.

Performance Summary
Assay Range: 0.6 µg/mL to 40 µg/mL
Precision:
Within Run:

§ 862.3350 Diphenylhydantoin test system.

(a)
Identification. A diphenylhydantoin test system is a device intended to measure diphenylhydantoin, an antiepileptic drug, in human specimens. Measurements obtained by this device are used in the diagnosis and treatment of diphenylhydantoin overdose and in monitoring levels of diphenylhydantoin to ensure appropriate therapy.(b)
Classification. Class II.

0

KA73414

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510(k) PREMARKET NOTIFICATION ACE® Phenytoin Reagent

NOV - 4 1997

SUMMARY OF SAFETY AND EFFECTIVENESS

In lieu of a 510(k) statement under 513(i) of the Act, this Summary of Safety and Effectiveness is provided as a 510(k) summary for disclosure to any other persons/companies without specific written authorization from Schiapparelli Biosystems, Inc.

Submitter

Schiapparelli Biosystems, Inc. 368 Passaic Avenue Fairfield, NJ 07004 Phone: (973) 882-8630

Contact Person

Steven Dalessio Manager, Quality Assurance/Regulatory Affairs Phone: (973) 882-8630

Device Names

Proprietary Name:ACE® Phenytoin Reagent
Common Name:Enzyme immunoassay for phenytoin (diphenylhydantoin or Dilantin®)
Classification Name:Phenytoin test
Predicate Device:Diagnostic Reagents, Inc. (DRI) - Phenytoin Reagent [510(k) Number
K945725]

Device Description

The ACE® Phenytoin Reagent contains two reagents, an Antibody/Substrate reagent and an Enzyme Conjugate reagent. The assay uses specific antibodies to phenytoin and is based on the competition of an enzyme glucose-o-phosphate dehydrogenase (G6PDH) labeled drug and the free drug from the sample, for a fixed amount of specific antibody binding sites. In the absence of free drug from the sample, the drug-labeled G6PDH is bound by the specific antibody and the enzyme activity is inhibited. This phenomenon creates a relationship between drug concentration in the sample and the enzyme activity. The enzyme G6PDH activity is determined bichromatically on the ACE® at 340/505 nm by measuring its ability to convert NAD* to NADH.

Intended Use of the Device

ACE® Phenytoin Reagent is intended for use in the quantitative determination of phenytoin in human serum.

1

510(k) PREMARKET NOTIFICATION ACE® Phenytoin Reagent

SUMMARY OF SAFETY AND EFFECTIVENESS

COMPARATIVE FEATURES OF PREDICATE AND PROPOSED DEVICES

PARAMETERPREDICATE DEVICEPROPOSED DEVICE
Trade NameDRI Phenytoin Enzyme
ImmunoassayACE® Phenytoin Reagent
Reference No.K945725/S1TBD
AnalytePhenytoinPhenytoin
Intended UseQuantitative determination of
phenytoinQuatitative determination of
phenytoin
MethodologyEnzyme immunoassayEnzyme immunoassay
Reagents
Reagent 1
VolumeLiquid; Antibody/Substrate
210 µLLiquid; Antibody/Substrate
210 µL
Reagent 2
VolumeLiquid; Enzyme conjugate
70 µLLiquid; Enzyme conjugate
70 µL
Specimen
Type
VolumeSerum and plasma
5 µLSerum
5 µL
Assay System
Reagent 1 + Sample
Reagent 2
TemperatureIncubate 300 sec
Read 60 and 120 sec
37 °CIncubate 240 sec
Read 63 and 203 sec
37 °C
Detection Method
Type
Wavelength, nmSpectrophotometric
Bichromatic: 340/505Spectrophotometric
Bichromatic: 340/505

2

510(k) PREMARKET NOTIFICATION ACE® Phenytoin Reagent

SUMMARY OF SAFETY AND EFFECTIVENESS

PERFORMANCE ASSESSMENT

Non-clinical test results submitted in the premarket notification include within-run and between-run precision and method correlation. Following is a data summary.

PARAMETERPREDICATE DEVICEPROPOSED DEVICE
Performance Summary
Assay Range
Precision
Within Run
Between Run0.3 µg/mL to 40 µg/mL