Researchers release VirtualTrialHarness for virtual clinical trial workflows
A team of researchers introduced VirtualTrialHarness (VTHarness), an agent framework designed to automate the operationalization of virtual clinical trial protocols. The system uses procedural skills and explicit contracts to ensure consistent decision-making across workflow stages, addressing challenges like data representation and temporal interpretation. It outperformed retrieval-based…
Key points
- VirtualTrialHarness (VTHarness) automates virtual clinical trial protocol execution using procedural skills and contracts
- Outperformed retrieval methods with 95.1% accuracy in producing required cohort outputs after clarification
- Tested in synthetic environments and Mayo Clinic’s Virtual Trials Program for investigator review
VTHarness was tested in three synthetic environments and eight MIMIC-IV tasks, demonstrating improved source recovery across three language models. It also enabled reference-matched cohort execution in Mayo Clinic cases, supporting investigator review of cohort construction and endpoint analysis. The framework aims to streamline virtual trial implementation by coordinating procedural guidance with workflow decisions.
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