Trialhelix Blog
Clinical Trial Data Operations Insights
Technical perspectives on EDC configuration, CDISC SDTM automation, data lock procedures, and Phase I/II trial execution for clinical data managers and CRO teams.
CDISC SDTM Automation: Moving Beyond Manual SAS Programming in Phase I Trials
Manual SDTM mapping remains one of the largest time sinks in Phase I study closeout. We examine how automated domain mapping reduces the dependency on SAS programmer availability without sacrificing Pinnacle 21 validation integrity.
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What Drives Query Cycle Time in EDC Systems — and How to Reduce It
Query cycle time — the elapsed time from query issuance to resolution — is a reliable leading indicator of study execution quality. This post examines the structural causes of long cycle times and the configuration choices that shorten them.
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Data Lock Best Practices for Phase II Trials: A Clinical Data Manager's Checklist
A clean first-pass data lock depends on preparation that begins at study build — not in the final weeks. We walk through the reconciliation steps, database freeze procedures, and approval chains that reduce lock-and-unlock cycles.
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Phase I Study Build: How to Configure EDC and Randomization Before First Subject In
Getting study build right before first subject enrollment prevents the costly mid-study eCRF amendments that push out timelines. This guide covers DMP alignment, visit schedule configuration, and IRT integration for Phase I oncology programs.
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IWRS and IRT in Phase II Trials: Integration Patterns and Common Pitfalls
Stratified randomization via IWRS or IRT is a standard requirement for Phase II programs, but integration with the EDC is a frequent source of delays. We review common integration patterns and the pre-study testing steps that prevent randomization system failures.
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21 CFR Part 11 and the Audit Trail: What Clinical Data Managers Need to Verify
An audit trail that meets 21 CFR Part 11 requirements captures every field-level change, user identity, timestamp, and reason for change. This post covers what inspectors look for and how to configure your EDC to produce a defensible audit trail.
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Pinnacle 21 Validation: Reducing Errors Before CDISC Package Submission
Pinnacle 21 Community and Enterprise are the standard tools for validating CDISC SDTM and ADaM datasets before regulatory submission. Understanding which error classes require SAS-level correction versus define.xml updates can cut validation cycles by a week or more.
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