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  • Trial site

Trial site location from the registry's own city and country. GeoNames (geonames.org).

Clinical trial site

Mayo Clinic

Mayo Clinic in Rochester, Minnesota, United States is listed as a site for 3,306 registered clinical trials, 786 of them ongoing.

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Registered trials 3,306
Ongoing 786

This page covers the site record Mayo Clinic in Rochester, Minnesota, United States: the trials that list it by this name in ClinicalTrials.gov. The same place can be registered under other names, each with its own page and its own trials, and a count here is a number of registered trials, not of patients enrolled. The organization of the same name, Mayo Clinic, also sponsors trials.

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The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

Trials by phase

Registered trials that list this site, by trial phase. 3,306 trials counted.

  • Phase 1 337 trials
  • Phase 1/2 201 trials
  • Phase 2 678 trials
  • Phase 2/3 72 trials
  • Phase 3 470 trials
  • Phase 4 119 trials
  • Not applicable 754 trials
  • Observational 650 trials
  • Expanded access 24 trials
  • Unknown 1 trial

Trials by status

The registry's own status summary: Ongoing, Completed, Terminated or Other.

  • Ongoing 790 trials
  • Completed 1,998 trials
  • Terminated 437 trials
  • Other 81 trials

Trials over time

Trials registered with a start date in each year, 1990 onward, most recent years first.

Trials over time, by phase

  • Phase 1
  • Phase 1/2
  • Phase 2
  • Phase 2/3
  • Phase 3
  • Phase 4
  • Not applicable
  • Observational
  • Other (Expanded access, Unknown)

Top of scale: 176

1990: 1 trials (Phase 1 1) 1991: 2 trials (Phase 1/2 1, Phase 1 1) 1992: 1 trials (Observational 1) 1993: 1 trials (Not applicable 1) 1994: 2 trials (Observational 1, Not applicable 1) 1995: 6 trials (Observational 2, Not applicable 1, Phase 3 2, Phase 1 1) 1997: 3 trials (Observational 1, Not applicable 1, Phase 1 1) 1998: 7 trials (Not applicable 2, Phase 4 1, Phase 3 3, Phase 1 1) 1999: 11 trials (Observational 3, Not applicable 1, Phase 3 2, Phase 2 2, Phase 1 3) 2000: 18 trials (Observational 5, Not applicable 1, Phase 4 1, Phase 3 6, Phase 2/3 1, Phase 2 2, Phase 1/2 1, Phase 1 1) 2001: 24 trials (Observational 1, Not applicable 3, Phase 4 1, Phase 3 6, Phase 2/3 3, Phase 2 6, Phase 1/2 1, Phase 1 3) 2002: 37 trials (Observational 8, Not applicable 3, Phase 4 2, Phase 3 6, Phase 2/3 3, Phase 2 10, Phase 1/2 1, Phase 1 4) 2003: 50 trials (Observational 8, Not applicable 9, Phase 3 10, Phase 2/3 2, Phase 2 11, Phase 1/2 6, Phase 1 4) 2004: 68 trials (Observational 13, Not applicable 3, Phase 4 4, Phase 3 17, Phase 2/3 2, Phase 2 15, Phase 1/2 3, Phase 1 11) 2005: 120 trials (Observational 19, Not applicable 19, Phase 4 5, Phase 3 19, Phase 2/3 5, Phase 2 31, Phase 1/2 9, Phase 1 13) 2006: 111 trials (Observational 20, Not applicable 18, Phase 4 5, Phase 3 19, Phase 2/3 1, Phase 2 28, Phase 1/2 11, Phase 1 9) 2007: 114 trials (Other 1, Observational 14, Not applicable 24, Phase 4 3, Phase 3 29, Phase 2/3 4, Phase 2 23, Phase 1/2 4, Phase 1 12) 2008: 132 trials (Observational 28, Not applicable 24, Phase 4 7, Phase 3 15, Phase 2/3 5, Phase 2 31, Phase 1/2 10, Phase 1 12) 2009: 127 trials (Observational 25, Not applicable 13, Phase 4 10, Phase 3 21, Phase 2/3 3, Phase 2 27, Phase 1/2 7, Phase 1 21) 2010: 131 trials (Observational 21, Not applicable 23, Phase 4 6, Phase 3 22, Phase 2/3 1, Phase 2 26, Phase 1/2 10, Phase 1 22) 2011: 123 trials (Observational 29, Not applicable 27, Phase 4 5, Phase 3 12, Phase 2 30, Phase 1/2 11, Phase 1 9) 2012: 147 trials (Other 1, Observational 29, Not applicable 34, Phase 4 5, Phase 3 16, Phase 2/3 2, Phase 2 31, Phase 1/2 11, Phase 1 18) 2013: 156 trials (Observational 29, Not applicable 33, Phase 4 5, Phase 3 19, Phase 2/3 5, Phase 2 40, Phase 1/2 7, Phase 1 18) 2014: 136 trials (Observational 21, Not applicable 33, Phase 4 4, Phase 3 16, Phase 2/3 5, Phase 2 34, Phase 1/2 11, Phase 1 12) 2015: 127 trials (Observational 28, Not applicable 24, Phase 4 6, Phase 3 20, Phase 2 32, Phase 1/2 5, Phase 1 12) 2016: 164 trials (Observational 44, Not applicable 45, Phase 4 9, Phase 3 19, Phase 2/3 4, Phase 2 20, Phase 1/2 7, Phase 1 16) 2017: 176 trials (Observational 32, Not applicable 54, Phase 4 6, Phase 3 20, Phase 2/3 3, Phase 2 37, Phase 1/2 10, Phase 1 14) 2018: 154 trials (Observational 32, Not applicable 45, Phase 4 4, Phase 3 21, Phase 2/3 2, Phase 2 31, Phase 1/2 4, Phase 1 15) 2019: 153 trials (Observational 33, Not applicable 38, Phase 4 5, Phase 3 21, Phase 2/3 3, Phase 2 29, Phase 1/2 11, Phase 1 13) 2020: 163 trials (Observational 41, Not applicable 37, Phase 4 4, Phase 3 20, Phase 2/3 1, Phase 2 29, Phase 1/2 12, Phase 1 19) 2021: 170 trials (Observational 37, Not applicable 45, Phase 4 1, Phase 3 25, Phase 2/3 3, Phase 2 36, Phase 1/2 9, Phase 1 14) 2022: 128 trials (Observational 19, Not applicable 35, Phase 4 4, Phase 3 21, Phase 2/3 3, Phase 2 22, Phase 1/2 9, Phase 1 15) 2023: 140 trials (Observational 25, Not applicable 38, Phase 4 1, Phase 3 16, Phase 2/3 4, Phase 2 32, Phase 1/2 7, Phase 1 17) 2024: 131 trials (Observational 33, Not applicable 39, Phase 4 4, Phase 3 14, Phase 2/3 3, Phase 2 23, Phase 1/2 7, Phase 1 8) 2025: 143 trials (Observational 33, Not applicable 42, Phase 4 3, Phase 3 19, Phase 2/3 2, Phase 2 27, Phase 1/2 10, Phase 1 7)

Trials that list this site and are registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table). The table below lists the same counts, most recent years first.

Trials started per year
Year Trials started
2026 (partial year) 96
2025 143
2024 131
2023 140
2022 128
2021 170
2020 163
2019 153
2018 154
2017 176

Showing 10 of 36 years.

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2026 is partial: trials registered with a 2026 start date so far, not a full year. 5 trials are registered to start in 2027 or later, and not listed here

Recent trials

The newest registered trials that list this site. Each title opens its ClinicalTrials.gov record.

Showing 5 of 3,306 trials.

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Source: ClinicalTrials.gov

Lead sponsors

Most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.

Showing 5 of 706 lead sponsors.

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Conditions studied

The specific conditions of the trials that list this site, most trials first.

Showing 5 of 1,056 conditions.

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