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KidneyIntelX.dkd

Renalytix AI, Inc. • Clinical Chemistry • 06/29/2023

De NovoIEC 62304 Class B
FDA Summary PDF

Device Purpose

KidneyIntelX.dkd is an AI-powered prognostic test utilizing a random forest algorithm to combine plasma biomarkers (TNFR-1, TNFR-2, KIM-1) with clinical data for early risk stratification of significant kidney function decline in type 2 diabetic patients. The science behind the device leverages multi-modal data integration to improve predictive accuracy, aiming to guide personalized patient management and enable timely interventions.

Summary

KidneyIntelX.dkd is an advanced in vitro prognostic tool designed to identify type 2 diabetic patients at risk of significant kidney function decline. Its methodology relies on an artificial intelligence-driven model, specifically a random forest algorithm, which integrates measurements of three key plasma biomarkers—TNFR-1, TNFR-2, and KIM-1—with standard clinical data points like age, sex, HbA1c, BUN, and UACR. This comprehensive approach allows the test to categorize patients into low, moderate, or high risk for experiencing a substantial decline in kidney function, defined as a ≥40% decrease in estimated glomerular filtration rate (eGFR) over a five-year period. The development of KidneyIntelX.dkd involved training its AI algorithm on extensive cohorts of diabetic patients, demonstrating its ability to enhance risk prediction beyond what is achievable using clinical factors alone. Validation studies have substantiated these claims, showing statistically significant differences in the rates of kidney function decline among the identified risk categories. These results underscore the test's potential to facilitate more personalized patient management strategies, enabling earlier and more targeted interventions for individuals classified as high risk, thereby potentially improving long-term renal outcomes in the diabetic population.

AI Regulatory Concerns

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Jev reads the full FDA letter and returns calibrated concern probabilities per regulatory category. These are AI estimates, not regulatory advice.

Keywords

KidneyIntelX.dkdDiabetic Kidney DiseasePrognostic TestAI ModelBiomarkersTNFR-1TNFR-2KIM-1eGFR DeclineRisk Stratification

Device Metadata

Submission Number
DEN200052
Company
Renalytix AI, Inc.
Panel
Clinical Chemistry
Product Code
N/A
Data Type
Omics
Clinical Function
Assessment
AI Function
Analysis
AI Subclass
predictive

Relevant Clinical Questions

  • Q1. How does the KidneyIntelX.dkd model account for inter-individual variability in biomarker expression not directly related to kidney disease progression?; What is the longitudinal performance of the KidneyIntelX.dkd test if a patient undergoes significant lifestyle or therapeutic changes after the initial assessment?; Are there specific sub-populations of type 2 diabetic patients for whom the KidneyIntelX.dkd test demonstrates exceptionally high or unexpectedly low predictive accuracy?; How frequently should the KidneyIntelX.dkd test be repeated to optimally monitor changes in risk profile for progressive kidney function decline?; What are the ethical implications and potential for health disparities if access to KidneyIntelX.dkd testing is not equitable across different socioeconomic groups?

Risk Classification

ESL Analysis
FDA Device ClassII

FDA Class II via De Novo pathway; IEC 62304 Class B (software safety classification); Authorized before §524B enforcement

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Cybersecurity Evidence

Powered by SBOMator™

Based on AI-generated device summaries, not the full FDA submission. Items not detected here may still be present in the complete submission package.

Cyber Score5/100
SBOM Evidence⚠ Not mentioned in summary
Cyber Risk Assessment⚠ Not mentioned in summary
Postmarket Plan⚠ Not mentioned in summary
§524B ApplicableNo

Supply Chain BOM Evidence

Based on the CycloneDX / OWASP ECMA-424 xBOM ecosystem. Detection is from the AI-generated summary.

SBOMSoftware Bill of Materials
- Not detected
ML-BOMMachine Learning Bill of Materials(algorithm)
✓ Detected
SaaSBOMSoftware-as-a-Service Bill of Materials
- Not detected
HBOMHardware Bill of Materials
- Not detected
CBOMCryptography Bill of Materials
- Not detected
VDR/VEXVulnerability Disclosure Report / Vulnerability Exploitability eXchange
- Not detected
OBOMOperations Bill of Materials
- Not detected

Analysis:

• Analysis is based on the AI-generated device summary, not the full FDA submission package. Click "Analyze Full FDA PDF" below to scan the actual submission document.

• Evidence of ML-BOM detected in AI-generated device summary.

• This device was authorized before §524B took effect. Cybersecurity evidence requirements were less prescriptive at the time.

• Postmarket cybersecurity monitoring plan not clearly documented in AI-generated device summary.

• Not detected in AI-generated device summary: SBOM, SaaSBOM, HBOM, CBOM, VDR/VEX, OBOM. These may be present in the full FDA submission.

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KidneyIntelX.dkd - Renalytix AI, Inc. | ESL FDA AI Device Intelligence