In 2021, there were 2,784 phase I clinical drug trials started, compared to 2,306 phase I trials initiated during the previous year. This statistic depicts the annual number of clinical trials started worldwide from 2017 to 2022, by trial phase.
Number of clinical trials started worldwide from 2017 to 2022, by trial phase
Notes: Phase 2 includes Phases 1/2, 2, 2a, 2b. Phase 3 includes Phase 2/3 and 3. Trials were industry sponsored; Terminated trials & medical devices were excluded from analysis.
* Number as of August 2022.
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IQVIA. (August 29, 2022). Number of clinical trials started worldwide from 2017 to 2022, by trial phase [Graph]. In Statista. Retrieved November 21, 2024, from https://www.statista.com/statistics/1249010/clinical-trials-started-by-trial-phase-worldwide/
IQVIA. "Number of clinical trials started worldwide from 2017 to 2022, by trial phase." Chart. August 29, 2022. Statista. Accessed November 21, 2024. https://www.statista.com/statistics/1249010/clinical-trials-started-by-trial-phase-worldwide/
IQVIA. (2022). Number of clinical trials started worldwide from 2017 to 2022, by trial phase. Statista. Statista Inc.. Accessed: November 21, 2024. https://www.statista.com/statistics/1249010/clinical-trials-started-by-trial-phase-worldwide/
IQVIA. "Number of Clinical Trials Started Worldwide from 2017 to 2022, by Trial Phase." Statista, Statista Inc., 29 Aug 2022, https://www.statista.com/statistics/1249010/clinical-trials-started-by-trial-phase-worldwide/
IQVIA, Number of clinical trials started worldwide from 2017 to 2022, by trial phase Statista, https://www.statista.com/statistics/1249010/clinical-trials-started-by-trial-phase-worldwide/ (last visited November 21, 2024)
Number of clinical trials started worldwide from 2017 to 2022, by trial phase [Graph], IQVIA, August 29, 2022. [Online]. Available: https://www.statista.com/statistics/1249010/clinical-trials-started-by-trial-phase-worldwide/