Rare diseases affect 400 million people globally, with over 7,000 unique disorders—most of which are genetic. Diagnosing these conditions is slow and challenging, often taking more than five years and resulting in repeated misdiagnoses. This causes delays in treatment and impacts patient outcomes. The complexity of rare diseases and limited clinician experience highlight the need for advanced diagnostic solutions.
Traditional diagnostic tools, like PhenoBrain and PubCaseFinder, analyze structured clinical data and historical cases. However, these tools struggle to adapt to new medical discoveries and may miss subtle details in rare disease presentations. Large language models (LLMs), including specialized medical versions, have improved data analysis but still fall short in handling the nuanced features of rare diseases.
A new AI platform, DeepRare, developed through collaboration between institutions in Shanghai and Harvard, addresses these challenges. DeepRare is the first diagnostic system driven by a rare disease-focused LLM, combining advanced AI with extensive clinical databases and specialized analytical modules. Its three-layered design includes a central host server with a memory bank, agent servers for tasks like phenotype extraction and variant analysis, and access to comprehensive external resources such as clinical guidelines and genomic databases.
When clinicians enter patient data—ranging from free-text notes to genetic sequencing files—DeepRare coordinates its agents to gather and analyze relevant information. The system generates and refines diagnostic hypotheses, ensuring accuracy through iterative evidence checks. The result is a prioritized list of diagnoses, complete with transparent reasoning and references to trusted sources.
In tests using 3,604 cases across 18 specialties, DeepRare achieved a top-ranked diagnosis recall of 70.6% when combining phenotype and genetic data, far surpassing existing tools like Exomiser. Its ability to merge multiple data types led to a significant jump in diagnostic accuracy, helping clinicians make faster, more precise decisions.
Clinical evaluations confirmed DeepRare’s reliability, with a 95.2% agreement rate among experts on its diagnostic reasoning and traceability. The platform’s web interface allows for easy integration into clinical workflows, supporting structured data input and automatic report generation.
Businesses in healthcare can leverage DeepRare to automate the analysis of complex clinical data, reduce diagnostic errors, and streamline patient care. By minimizing manual review and improving diagnostic speed, organizations can cut operational costs and enhance service quality. The platform’s robust data integration and transparent decision-making also support compliance and reduce liability risks.
DeepRare marks a significant step forward in rare disease diagnostics, offering healthcare providers a powerful tool to identify conditions faster, improve patient outcomes, and operate more efficiently in a data-driven environment.








