Cleerly ISCHEMIA vs Imbio PHA (4.0.0)

Similar category, different focus. These tools serve overlapping but distinct needs. Comparability 65/100 Comparability is an AI-graded 0–100 score of how directly these two tools compete — higher means a more apples-to-apples comparison.
by Cleerly
VS
by Imbio (a subsidiary of 4DMedical)

AI Verdict

Cleerly ISCHEMIA focuses on analyzing CCTA scans to detect coronary artery ischemia and characterize plaque, aiding in the management of coronary artery disease. Imbio PHA, however, processes CTPA scans to measure cardiac structures for assessing right ventricular dilation, primarily assisting in the diagnosis and risk stratification of pulmonary embolism and hypertension. While both are AI-powered cardiology tools utilizing CT imaging, they address distinct clinical questions and utilize different types of CT scans.

Choose Cleerly ISCHEMIA if…

Choose Cleerly ISCHEMIA if you require a comprehensive, non-invasive assessment of coronary artery disease and the likelihood of vessel-level ischemia from a CCTA scan. This tool is ideal for detailed coronary plaque characterization, stenosis severity assessment, and personalized treatment planning for patients with suspected or known coronary artery disease.

View Cleerly ISCHEMIA →

Choose Imbio PHA (4.0.0) if…

Choose Imbio PHA if you are analyzing CT pulmonary angiogram (CTPA) scans and need automated, rapid measurement of cardiac structures to assess right ventricular dilation. This tool is specifically designed to aid in the diagnosis and risk stratification of pulmonary embolism and pulmonary hypertension by providing critical RV/LV and PA/Ao ratios.

View Imbio PHA (4.0.0) →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Cleerly ISCHEMIA Imbio PHA (4.0.0)
Pricing Contact for details Unknown
Deployment Web-based platform; data transfer via Cleerly Proxy (VPN or virtual appliance) Cloud (AWS) or On-premise (VMware) or via partners (Nuance, Aidoc, Siemens Syngo.via, TeraRecon, FerrumHealth, Flywheel).
BAA Available Yes AI-estimated Unknown
FDA Status Cleared AI-estimated Yes AI-estimated
HIPAA Yes AI-estimated Unknown

Head-to-Head

AI-generated assessment across six dimensions based on each tool's documented features and compliance posture. Grounded in public data — not a substitute for hands-on evaluation.

Usability

Cleerly ISCHEMIA

Cleerly ISCHEMIA offers comprehensive interactive web-based reports, which allows for dynamic and detailed exploration of results, including plaque characterization and ischemia likelihood. While both integrate with existing radiology workflows, Cleerly's emphasis on interactive reports provides a more engaging and versatile user experience for in-depth diagnostic review and personalized treatment planning.

Clinical Value

Cleerly ISCHEMIA

Cleerly ISCHEMIA provides a more comprehensive and personalized assessment of coronary artery disease, including non-invasive fractional flow reserve (FFR) estimation, detailed coronary plaque characterization, and stenosis severity assessment. It has been validated in multiple clinical trials, demonstrating diagnostic accuracy and prognostic utility for major adverse cardiovascular events. Imbio PHA, while valuable for risk stratification in pulmonary embolism and hypertension, focuses on specific quantitative measurements rather than a multi-faceted disease characterization.

Pricing & Value

Cleerly ISCHEMIA

Both tools require direct contact for pricing details, indicating opaque pricing. However, Cleerly ISCHEMIA explicitly states it is billable under a Category I CPTu00ae Code (75580) and aligns with Medicare Local Coverage Determinations (LCDs). This transparency regarding billing and reimbursement pathways provides a clearer understanding of its financial value and integration into existing healthcare payment models.

Enterprise Readiness

Imbio PHA (4.0.0)

Imbio PHA offers greater deployment flexibility, with options for Cloud, Enterprise (on-premise), or via partners, including an on-premise hosted product for organizations preferring to keep data in-house. This, combined with explicit third-party HIPAA certification, demonstrates a stronger commitment to accommodating diverse enterprise IT infrastructures and security requirements. Cleerly's web-based platform with a proxy is robust, but Imbio's explicit on-premise offering provides broader versatility.

Innovation

Cleerly ISCHEMIA

Cleerly ISCHEMIA demonstrates higher innovation by providing non-invasive fractional flow reserve (FFR) estimation and detailed coronary plaque characterization (volume, type, location) from CCTA scans. This goes beyond traditional anatomical assessment to offer functional and compositional insights, representing a more advanced and novel application of AI in cardiology for personalized treatment planning and risk stratification. Imbio PHA's automated measurements, while valuable, are a more established application of AI in quantitative imaging.

Support & Docs

Imbio PHA (4.0.0)

Imbio PHA provides more transparent and comprehensive support options, including multiple contact channels (online form, phone, email) and explicit mention of readily available user manuals and product documentation upon request. While Cleerly offers client support and FAQs, Imbio's detailed support structure and clear indication of documentation availability suggest a more robust and accessible support ecosystem.

Feature-by-Feature

Detail beyond the Quick Comparison summary. For pricing, deployment, BAA, FDA, and HIPAA see the Overview tab.

Feature Cleerly ISCHEMIA Imbio PHA (4.0.0)
Name Cleerly ISCHEMIA Imbio PHA (4.0.0)
Company Cleerly Imbio
Description FDA-cleared AI tool that analyzes CCTA scans to non-invasively determine the likelihood of coronary artery ischemia at a vessel level, aiding physicians in personalized diagnosis and treatment planning for heart disease. FDA-cleared AI-powered medical image processing software that automatically measures cardiac structures from CT pulmonary angiogram (CTPA) scans to assess potential right ventricular dilation and aid in the diagnosis and risk stratification of pulmonary embolism and hypertension.
Specialties Cardiology, Radiology Cardiology, Pulmonology, Radiology
Key Features AI-enabled CCTA analysis, Non-invasive fractional flow reserve (FFR) estimation, Vessel-level ischemia likelihood determination, Coronary plaque characterization (volume, type, location), Stenosis severity assessment, 3D digital models of coronary arteries, Comprehensive interactive web-based reports, Integration with PowerScribe via API Automated measurement of right and left ventricle diameters, Automated measurement of main pulmonary artery and aorta diameters, Calculates RV/LV and PA/Ao ratios, Utilizes artificial intelligence algorithms for anatomical identification and measurement, Generates annotated DICOM images, Provides summary reports in PDF format, Integrates with native DICOM tools and workflows, Rapid, fully-automated assessment (typically in minutes)

Videos

Demos, reviews, and walkthroughs featuring Cleerly ISCHEMIA and Imbio PHA (4.0.0).

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Frequently Asked Questions

Cleerly ISCHEMIA is designed to analyze CCTA scans to non-invasively determine the likelihood of coronary artery ischemia at a vessel level, aiding in personalized diagnosis and treatment planning for heart disease. Imbio PHA (4.0.0) measures cardiac structures from CT pulmonary angiogram (CTPA) scans to assess potential right ventricular dilation, assisting in the diagnosis and risk stratification of pulmonary embolism and hypertension.
Cleerly ISCHEMIA specifically analyzes Coronary CT Angiography (CCTA) scans to provide its insights into coronary artery disease. In contrast, Imbio PHA (4.0.0) processes CT Pulmonary Angiogram (CTPA) scans for its automated cardiac structure measurements.
Cleerly ISCHEMIA offers non-invasive fractional flow reserve (FFR) estimation, vessel-level ischemia likelihood, coronary plaque characterization (volume, type, location), and stenosis severity assessment, presented in comprehensive interactive web-based reports. Imbio PHA (4.0.0) provides automated measurements of right and left ventricle diameters, main pulmonary artery and aorta diameters, and calculates RV/LV and PA/Ao ratios, generating annotated DICOM images and PDF summary reports.
Cleerly ISCHEMIA operates as a web-based platform, with data transfer facilitated by Cleerly Proxy, which can be a VPN or virtual appliance, and integrates with PowerScribe via API. Imbio PHA (4.0.0) offers deployment options including Cloud, Enterprise (on-premise), or through partners, and is designed to integrate with native DICOM tools and workflows.

Backers

Who funded each tool's parent company.

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