Phase II clinical trial enrollment duration increase

Phase II and Phase III saw 23% and 16% increases, respectively, with Phase II enrollment times increasing by an average of six months over the five-year timeframe.

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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_5EQ6G28MYCQBPN6VAJ5PT4D8G9

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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_5EQ6G28MYCQBPN6VAJ5PT4D8G9.

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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_5EQ6G28MYCQBPN6VAJ5PT4D8G9.

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BibTeX

@misc{iqvia2023phaset4d8g9, author = {{IQVIA Institute}}, title = {Rethinking Clinical Trial Country Prioritization}, year = {2023}, howpublished = {StatOrigin, https://statorigin.org}, url = {https://statorigin.org/stat/stat_5EQ6G28MYCQBPN6VAJ5PT4D8G9}, 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_5EQ6G28MYCQBPN6VAJ5PT4D8G9.