Clinical Trial Delay Index

Clinical Trial Delay Index (CTDI)

The Clinical Trial Delay Index (CTDI) quantifies recruitment-related delays in clinical trials by measuring time lost due to challenges in identifying and enrolling eligible participants. It provides real-world insights into where and why timelines slip. As an emerging industry standard, the CTDI helps sponsors benchmark study performance, anticipate rescue needs, and optimize recruitment strategies across countries and conditions. It is automatically updated every month.

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CTDI is based on public data from ClinicalTrials.gov, with proprietary normalization applied by Curewiki. Delay metrics reflect status changes, planned vs. actual milestones, and enrollment timing.