HepaFat-AI

by Resonance Health Analysis Services Pty  · Based in Australia → — Automated AI-Powered MRI Liver Fat Assessment
Endocrinology Gastroenterology Radiology

Regulatory Status Disclosed

Overview

HepaFat-AI, developed by Resonance Health, is an AI-driven, non-invasive software-as-a-medical-device (SaMD) designed for the automated, real-time multi-metric assessment of liver fat in patients. It automatically analyzes magnetic resonance imaging (MRI) datasets to provide clinicians with a comprehensive solution for use in the assessment of individuals with confirmed or suspected fatty liver disease. The tool generates detailed patient reports, including NASH-CRN Steatosis Grading, Proton Density Fat Fraction (PDFF), and a liver fat distribution map. HepaFat-AI was validated for use with all major MRI scanner makes and models and could be accessed via Resonance Health’s cloud-based portal or through channel partners. It was also utilized in drug trials for real-time data collection, particularly for Non-Alcoholic Steatohepatitis (NASH). Please note that HepaFat-AI has been succeeded by HepaFatSmart, an updated AI-trained liver-fat assessment software, which offers improved diagnostic performance and is replacing HepaFat-AI in all markets.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • Automated analysis of MRI datasets for liver fat assessment
  • Provides comprehensive multi-metric solution for fatty liver disease
  • Reports NASH-CRN Steatosis Grading
  • Provides Proton Density Fat Fraction (PDFF)
  • Generates a patient report with a liver fat distribution map
  • Non-invasive
  • Validated for all major MRI scanner makes and models
  • Can be used in drug trials for real-time data

Use Cases

  • Assessment of individuals with confirmed or suspected fatty liver disease
  • Monitoring of patients prescribed medications known to induce steatosis
  • Late effects monitoring of cancer patients for fatty liver changes
  • Guidance with treatment planning for liver disease or liver cancer
  • Screening for suitability of living donors for liver transplants
  • Assisting in drug trials, particularly for NASH

What Physicians Need to Know

Key Capabilities
HepaFatSmart, the successor to HepaFat-AI, automatically analyzes MRI datasets to quantify liver fat. It provides volumetric liver fat fraction (VLFF), proton density fat fraction (PDFF), and a steatosis grade. The system also generates a liver fat distribution map. It requires no user input for analysis, minimizing human error, and is validated for all major MRI scanner makes and models.
Clinical Utility
The tool supports clinical diagnoses and decision-making for individuals with confirmed or suspected fatty liver disease (NAFLD/MASLD) and metabolic syndromes. It is also useful for assessing living donors for liver transplants and for monitoring patients. HepaFatSmart can be used in drug trials, particularly for conditions like Non-alcoholic Steatohepatitis (NASH), by providing real-time data and standardized workflows.
Integration Options
HepaFatSmart is accessible via Resonance Health's secured cloud-based user portal and job management system, FAST, where users upload DICOM images for analysis. The company is also exploring radiology-based channel partners for market distribution.
Compliance Status
HepaFatSmart has received US FDA clearance and is classified as a Class II medical device. Its predecessor, HepaFat-AI, also received CE marking for Europe, TGA approval in Australia, and US FDA clearance. HepaFatSmart is intended to replace HepaFat-AI in all markets.
User Experience
The automated nature of HepaFatSmart means no user input is required during the analysis process, which helps to minimize human error and streamline workflow.
Implementation Complexity
Implementation requires adherence to a specific MRI protocol for image acquisition. The system includes an automated Image Quality Control (IQC) module that verifies the correctness of each parameter in the protocol to ensure high-quality results.
Evidence Base
HepaFatSmart was developed using AI and trained against HepaFat-Scan, Resonance Health's established manual analysis service, as the reference standard. Studies have demonstrated high repeatability and reproducibility of results, with HepaFatSmart showing significantly improved diagnostic performance compared to HepaFat-AI. HepaFat-AI itself exhibited similar diagnostic ability to HepaFat-Scan when validated against biopsy grades of steatosis.
Physician Tip

HepaFatSmart offers a non-invasive, quantitative assessment of liver fat, providing critical metrics (VLFF, PDFF, steatosis grade) that can aid in the early diagnosis, monitoring, and management of fatty liver diseases like NAFLD/MASLD. Its automated nature reduces variability and potential for human error, offering a standardized approach for clinical decision-making and patient counseling. Consider its utility for screening at-risk populations, monitoring treatment efficacy, and in the assessment of potential liver donors. Always ensure MRI images adhere to the specified protocols for optimal accuracy.

The primary integration method involves uploading DICOM images to Resonance Health's FAST cloud-based portal. This cloud-native approach simplifies deployment and access, eliminating the need for complex on-premise installations. Future integrations may include direct partnerships with radiology channel partners to further streamline workflow within existing imaging ecosystems.

Details

Category Endocrinology & Metabolic AI, Gastroenterology AI, Radiology & Imaging AI
Pricing Unknown
DeploymentCloud-based portal; via radiology-based channel partners
Compliance
BAA AvailableUnknown AI-estimated
HIPAA CompliantUnknown AI-estimated
FDA Status 1 AI-estimated

HepaFat-AI received US FDA clearance in December 2020 under the 510(k) premarket notification process (K201039), classified as a Class II magnetic resonance diagnostic device. It has since been replaced by HepaFatSmart, an updated AI-trained liver-fat assessment software, which received US FDA clearance in June 2023 and offers improved diagnostic performance.

Integrations
EHR Not specified
Specialties Endocrinology, Gastroenterology, Radiology

Ratings & Reviews

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Clinical Value
Ease of Use
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Support & Docs
Value for Money

Press & Coverage

Listcorp
HepaFat-AI Receives TGA Approval
Resonance Health announced that its fully automated AI software, HepaFat-AI, received Australian Therapeutic Goods Administration (TGA) approval, allowing its lawful supply in Australia. This follows its United States Food & Drug Administration (FDA) clearance in December 2020.
2021-02
Simply Wall St
HepaFat-AI Receives CE Marking
Resonance Health Ltd. announced that HepaFat-AI received CE mark, signifying its compliance with Medical Device Directive 93/42/EEC and registration for sale within the European Economic Area. This adds to its prior FDA clearance and TGA approval.
2026-07
accessdata.fda.gov
HepaFat-AI Gains US FDA Clearance
HepaFat-AI received 510(k) regulatory clearance from the US FDA in December 2020, allowing its commercial sale in the United States. The device quantitatively measures triglyceride fat fraction in liver MRI images.
2020-12
AFR
HepaFat-AI Incorporated into Blackford Analysis Partner Agreement
Resonance Health announced that HepaFat-AI has been added to its Alliance Partner Agreement with Blackford Analysis Inc., making it available for distribution and promotion through Blackford's platform and channel partners.
2020-12
Listcorp
UPDATED HepaFatSmartu00ae CLEARED BY US FDA
Resonance Health received US FDA regulatory clearance for HepaFatSmartu00ae, an improved AI-trained liver-fat assessment software, which will replace HepaFat-AIu00ae in the US market. HepaFatSmartu00ae offers significantly improved diagnostic performance.
2023-06
PMC
Computational healthcare: Present and future perspectives (Review)
This review article discusses the history and future of AI in healthcare, listing HepaFat-AI by Resonance Health Analysis Service Pty, Ltd. as an AI-based application for diagnosis in radiology from 2020.
2021-12
Three Springs Technology
Researchers eye health benefit from AI
Three Springs Technology has been collaborating with Resonance Health on AI diagnostic tools for liver disease, including FerriSmart and HepaFat-AI, which are used by clinicians globally.
2021-06
EASL
HepaFat-AIu00ae protocol. MRI data were automatically processed using a FDA-cleared ANN (HepaFat-AIu00ae) for simultaneously measuring VLFF, proton density fat fraction (PDFF) and steatosis grade.
An abstract from EASL highlights the use of the FDA-cleared HepaFat-AIu00ae for automatically processing MRI data to measure volumetric liver fat fraction (VLFF), proton density fat fraction (PDFF), and steatosis grade, demonstrating high diagnostic accuracy against histology.
2021-09

Videos

Product demos, reviews, and walkthroughs for HepaFat-AI.

View all on YouTube

Frequently Asked Questions

HepaFat-AI automatically analyzes magnetic resonance imaging (MRI) datasets to assess liver fat. It integrates by allowing users to upload DICOM MRI images to Resonance Health's secure cloud-based portal for analysis, providing a comprehensive, multi-metric solution for physicians.
HepaFat-AI received US FDA clearance in December 2020, Australian TGA approval in February 2021, and CE marking for Europe in February 2021. While specific data privacy protocols aren't detailed in the provided information, as a regulated medical device, it is expected to adhere to relevant data protection standards like HIPAA or GDPR, especially when accessed via a secure portal.
HepaFat-AI offers a non-invasive, automated analysis of MRI data for liver fat, providing a standardized steatosis grade comparable to histopathology. While liver biopsy is traditionally the gold standard, MRI-PDFF (which HepaFat-AI analyzes) is a highly accurate non-invasive alternative, and other AI tools exist for different imaging modalities like CT or ultrasound.
The specific pricing model for HepaFat-AI is not publicly detailed in the provided search results. It is marketed to radiologists and physicians, suggesting a business-to-business model, likely involving institutional licensing or per-use fees for access via Resonance Health's cloud portal.
HepaFat-AI's effectiveness relies on high-quality MRI images, and human interpretation by a trained physician is still necessary for clinical diagnoses. It has been superseded by HepaFatSmart, which offers significantly improved diagnostic performance, indicating some limitations in the original HepaFat-AI's accuracy compared to its successor.
HepaFat-AI was validated for use across all major MRI scanner makes and models, ensuring standardized workflows, particularly useful in multi-center trials. Its successor, HepaFatSmart, has undergone repeatability and validation studies demonstrating high reproducibility and improved diagnostic performance.
HepaFat-AI has been replaced by an updated and improved version called HepaFatSmart, which received US FDA clearance in June 2023. HepaFatSmart offers significantly enhanced diagnostic performance for liver fat assessment and will replace HepaFat-AI in all markets.

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Suggest an Edit → | Last Verified: 2026-04-19 | First Added: 2026-04-19
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