Clinical trial enrollment duration increase (multi-year total)

STO-REC-STATZY7JN7T3 Research
6months

Global · 2019–2023

Clinical trial enrollment duration increase worldwide (multi-year total) came in at 6 months in 2019–2023 (IQVIA).

Original source
Publisher
IQVIA
Authority tier
T3 Research
Locator
Enrollment is taking longer across all phases of development
Retrieved
15 Sep 2026
Status
Verified

What the source says

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.

Verbatim extraction verified: The figure 6 months is directly attested in the quoted passage (Enrollment is taking longer across all phases of development).

The figure above was extracted from this passage. If it does not match, the extraction is wrong and we want to know.

Cite this figure

Published under CC BY 4.0. Attribute the original publisher; the citations below do that for you and link to this permanent record.

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_ZY7JN7XSG36DTPPH1BM1W9V7TG
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_ZY7JN7XSG36DTPPH1BM1W9V7TG.
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_ZY7JN7XSG36DTPPH1BM1W9V7TG.
BibTeX
@misc{iqvia2023clinicalw9v7tg, author = {{IQVIA Institute}}, title = {Rethinking Clinical Trial Country Prioritization}, year = {2023}, howpublished = {StatOrigin, https://statorigin.org}, url = {https://statorigin.org/stat/stat_ZY7JN7XSG36DTPPH1BM1W9V7TG}, note = {Original source: https://www.iqvia.com/insights/the-iqvia-institute/reports-and-publications/reports/rethinking-clinical-trial-country-prioritization. Accessed September 15, 2026.} }

Provenance and verification

Everything needed to check this number yourself, without taking our word for it.

Chain of Custody · Verification Audit
Record: STO-REC-STATZY7JN7 T3 Research

Primary Source

Publisher
IQVIA Institute · homepage ↗
Authority tier
Tier 3 · Industry & Research
Report
Rethinking Clinical Trial Country Prioritization
Type
Press release
Published
Locator
Enrollment is taking longer across all phases of development
Retrieved
15 September 2026
Link status
Reachable (HTTP 200)
Report licence
See source

Verification & Integrity

Audit status
Verified
Review protocol
Editorial review
Checked on
17 September 2026
Last revision
17 September 2026
Archival URI
/stat/stat_ZY7JN7XSG36DTPPH1BM1W9V7TG