Clinical trial enrollment duration increase

Clinical trial enrollment duration has been increasing over the past five years, and the time from trial start to the end of enrollment has increased by 26% across all phases.

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APA

IQVIA Institute. (2023). Rethinking Clinical Trial Country Prioritization. Retrieved September 15, 2026, from https://www.iqvia.com/insights/the-iqvia-institute/reports-and-publications/reports/rethinking-clinical-trial-country-prioritization. Via StatOrigin, https://statorigin.org/stat/stat_W1ZDXQTWJP5RTE374DGHEHPYBK

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MLA

IQVIA Institute. "Rethinking Clinical Trial Country Prioritization." 2023, https://www.iqvia.com/insights/the-iqvia-institute/reports-and-publications/reports/rethinking-clinical-trial-country-prioritization. Accessed 15 Sept. 2026 via StatOrigin, https://statorigin.org/stat/stat_W1ZDXQTWJP5RTE374DGHEHPYBK.

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Chicago

IQVIA Institute. "Rethinking Clinical Trial Country Prioritization." 2023. https://www.iqvia.com/insights/the-iqvia-institute/reports-and-publications/reports/rethinking-clinical-trial-country-prioritization. Accessed September 15, 2026. Cited from StatOrigin, https://statorigin.org/stat/stat_W1ZDXQTWJP5RTE374DGHEHPYBK.

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BibTeX

@misc{iqvia2023clinicalehpybk, author = {{IQVIA Institute}}, title = {Rethinking Clinical Trial Country Prioritization}, year = {2023}, howpublished = {StatOrigin, https://statorigin.org}, url = {https://statorigin.org/stat/stat_W1ZDXQTWJP5RTE374DGHEHPYBK}, note = {Original source: https://www.iqvia.com/insights/the-iqvia-institute/reports-and-publications/reports/rethinking-clinical-trial-country-prioritization. Accessed September 15, 2026.} }

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Record last modified 17 September 2026. Value type: actual. Update cadence: annual. This page is permanently addressable at statorigin.org/stat/stat_W1ZDXQTWJP5RTE374DGHEHPYBK.