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  • Trial site

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

Clinical trial site

University of Washington

University of Washington in Seattle, Washington, United States is listed as a site for 1,150 registered clinical trials, 295 of them ongoing.

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Registered trials 1,150
Ongoing 295

This page covers the site record University of Washington in Seattle, Washington, 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, University of Washington, 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. 1,150 trials counted.

  • Phase 1 74 trials
  • Phase 1/2 52 trials
  • Phase 2 186 trials
  • Phase 2/3 28 trials
  • Phase 3 146 trials
  • Phase 4 38 trials
  • Not applicable 407 trials
  • Observational 217 trials
  • Expanded access 2 trials

Trials by status

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

  • Ongoing 295 trials
  • Completed 677 trials
  • Terminated 122 trials
  • Other 56 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

Top of scale: 90

1994: 3 trials (Observational 1, Not applicable 1, Phase 3 1) 1995: 2 trials (Not applicable 1, Phase 3 1) 1998: 8 trials (Observational 2, Phase 4 1, Phase 3 4, Phase 2/3 1) 1999: 8 trials (Not applicable 1, Phase 4 1, Phase 3 3, Phase 2 2, Phase 1 1) 2000: 4 trials (Observational 2, Phase 3 2) 2001: 6 trials (Observational 1, Not applicable 1, Phase 3 2, Phase 2 1, Phase 1/2 1) 2002: 12 trials (Observational 1, Not applicable 2, Phase 4 3, Phase 3 2, Phase 2/3 1, Phase 2 3) 2003: 18 trials (Not applicable 8, Phase 3 4, Phase 2/3 1, Phase 2 1, Phase 1 4) 2004: 11 trials (Observational 1, Not applicable 3, Phase 2 4, Phase 1/2 2, Phase 1 1) 2005: 26 trials (Observational 2, Not applicable 8, Phase 4 1, Phase 3 5, Phase 2/3 1, Phase 2 8, Phase 1 1) 2006: 25 trials (Observational 6, Not applicable 4, Phase 4 2, Phase 3 6, Phase 2 4, Phase 1/2 2, Phase 1 1) 2007: 33 trials (Observational 5, Not applicable 8, Phase 4 1, Phase 3 9, Phase 2/3 3, Phase 2 4, Phase 1/2 1, Phase 1 2) 2008: 31 trials (Observational 10, Not applicable 6, Phase 4 2, Phase 3 2, Phase 2/3 1, Phase 2 5, Phase 1/2 2, Phase 1 3) 2009: 52 trials (Observational 16, Not applicable 16, Phase 4 1, Phase 3 6, Phase 2/3 1, Phase 2 9, Phase 1/2 1, Phase 1 2) 2010: 31 trials (Observational 8, Not applicable 10, Phase 4 1, Phase 3 4, Phase 2 6, Phase 1 2) 2011: 37 trials (Observational 13, Not applicable 10, Phase 3 4, Phase 2/3 1, Phase 2 7, Phase 1/2 2) 2012: 36 trials (Observational 2, Not applicable 10, Phase 4 1, Phase 3 8, Phase 2/3 2, Phase 2 7, Phase 1/2 5, Phase 1 1) 2013: 38 trials (Observational 7, Not applicable 14, Phase 4 1, Phase 3 6, Phase 2/3 1, Phase 2 3, Phase 1/2 5, Phase 1 1) 2014: 38 trials (Observational 10, Not applicable 11, Phase 3 3, Phase 2/3 1, Phase 2 6, Phase 1/2 2, Phase 1 5) 2015: 47 trials (Observational 15, Not applicable 12, Phase 4 1, Phase 3 5, Phase 2/3 2, Phase 2 7, Phase 1/2 2, Phase 1 3) 2016: 55 trials (Observational 9, Not applicable 19, Phase 4 5, Phase 3 4, Phase 2/3 1, Phase 2 10, Phase 1/2 3, Phase 1 4) 2017: 61 trials (Observational 11, Not applicable 21, Phase 4 2, Phase 3 6, Phase 2 12, Phase 1/2 4, Phase 1 5) 2018: 59 trials (Observational 9, Not applicable 15, Phase 4 2, Phase 3 7, Phase 2/3 1, Phase 2 14, Phase 1/2 4, Phase 1 7) 2019: 63 trials (Observational 15, Not applicable 23, Phase 4 5, Phase 3 8, Phase 2/3 1, Phase 2 5, Phase 1/2 1, Phase 1 5) 2020: 64 trials (Observational 18, Not applicable 20, Phase 3 3, Phase 2/3 2, Phase 2 10, Phase 1/2 5, Phase 1 6) 2021: 73 trials (Observational 17, Not applicable 27, Phase 3 10, Phase 2/3 2, Phase 2 9, Phase 1/2 3, Phase 1 5) 2022: 63 trials (Observational 10, Not applicable 28, Phase 4 2, Phase 3 6, Phase 2 11, Phase 1/2 3, Phase 1 3) 2023: 66 trials (Observational 6, Not applicable 41, Phase 4 2, Phase 3 3, Phase 2/3 1, Phase 2 11, Phase 1/2 1, Phase 1 1) 2024: 90 trials (Observational 12, Not applicable 44, Phase 3 6, Phase 2/3 2, Phase 2 16, Phase 1/2 2, Phase 1 8) 2025: 51 trials (Observational 4, Not applicable 26, Phase 4 4, Phase 3 7, Phase 2/3 1, Phase 2 8, Phase 1 1)

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) 28
2025 51
2024 90
2023 66
2022 63
2021 73
2020 64
2019 63
2018 59
2017 61

Showing 10 of 31 years.

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2026 is partial: trials registered with a 2026 start date so far, not a full year

Recent trials

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

Showing 5 of 1,150 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 248 lead sponsors.

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Conditions studied

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

Showing 5 of 554 conditions.

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