eCOA UAT automation: AI temporal simulation

The Temporal Conundrum: Bridging the Gap Between Manual UAT and AI Automation in eCOA

Moderated by Lisa Charlton (CPO, Castor), with Connor Ladly Fredeen (Director of Delivery Engineering, Castor) and Gauri Nagrani (Co-Founder, Safira)

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Why eCOA UAT takes 12 weeks, and what AI does about it

For complex eCOA protocols with time-dependent logic, UAT has always meant manually staging months of patient history to reach the scenarios that matter. This process runs 12-16 weeks for multi-site, multi-language builds, and UAT plan creation makes it longer. In this on-demand recording, Connor Ladly Fredeen and Gauri Nagrani explain how AI temporal simulation replaces the manual approach, how AI-generated test scripts reduce developer bias in UAT coverage, and how Castor’s AI architecture keeps human oversight at the center of every validation workflow.

Why temporal simulation is an ALCOA+ compliance requirement, not just an engineering problem
How AI compresses 12-16 week UAT windows to under four weeks by eliminating manual date manipulation
How AI-generated test scripts increase coverage and reduce developer bias in UAT execution
How Castor’s AI architecture keeps validation teams in control while AI handles the heavy lifting

Free on-demand recording. We’ll email you the recording link.

Frequently Asked Questions

What is temporal simulation in eCOA UAT and why is it required? Temporal simulation in eCOA UAT is the process of artificially advancing system time to verify that time-dependent protocol logic, such as compliance windows, adaptive visit triggers, and missed-visit alerts, functions correctly across the full duration of a study. A compliance window that opens 14 days after enrollment and closes at day 21 can only be tested by staging data as if those days have passed. Without temporal simulation, high-risk time-dependent scenarios remain untested before go-live.
How does AI-driven temporal simulation comply with ALCOA+ data standards? ALCOA+ requires that clinical data be contemporaneous: data must reflect the time at which it was generated, and the audit trail must accurately represent the sequence of data entry. AI temporal simulation addresses this by programmatically staging chronologically consistent patient histories with accurate simulated timestamps and a clear audit trail. This produces a UAT documentation package that satisfies contemporaneous data requirements without requiring manual date manipulation or system clock changes, which can introduce audit trail inconsistencies.
How much time can AI automation save in a complex eCOA UAT cycle? For complex, multi-language eCOA builds with time-dependent logic, a compliant internal UAT cycle historically runs 12-16 weeks. Castor's AI-driven temporal simulation compresses this to under four weeks by eliminating the need for manual data entry to reach study milestones. Instead of entering patient data by hand over days or weeks to reach a 90-day compliance window, the AI system stages the required patient history programmatically, allowing UAT teams to immediately execute and document high-risk scenarios.
How does AI-assisted UAT plan creation improve vendor-sponsor collaboration? Traditional UAT plans are written manually by the vendor team and reviewed by the sponsor, often with significant back-and-forth over test case coverage and documentation format. AI-assisted UAT plan and test case creation generates structured, protocol-specific test cases from the build configuration, which both the vendor and sponsor can review, modify, and approve in a shared framework. This shifts collaboration from document review to joint protocol interpretation, raising the overall quality of test coverage while reducing the time both parties spend creating and reviewing UAT documentation before execution.
What is the AI architecture and how does it protect validation integrity? The AI architecture is Castor's approach to deploying AI assistance in eCOA UAT workflows. Rather than embedding AI directly into the validated eCOA product, AI processes run alongside the build as a separate layer. This design keeps the validated system intact and preserves full human oversight throughout the testing process. UAT teams review and approve AI-generated test scripts and simulation outputs before anything enters the official test record. The result is faster, more comprehensive test coverage without compromising the audit trail or the integrity of the validated product. The AI enhances QA coverage rather than replacing the validation team's judgment and sign-off.