Skip to content
Pharma Observatory a Scientist.com platform
  • Trial site

Trial site location from the registry's own city and country. Amazon Location Service.

Clinical trial site

Brigham and Women's Hospital

Brigham and Women's Hospital in Boston, Massachusetts, United States is listed as a site for 2,078 registered clinical trials, 614 of them ongoing.

Email me this page as a PDF

Search trials, sites, companies and investigators, and follow each one to the others. Individual plan, $249/seat/mo. Card required.

Registered trials 2,078
Ongoing 614

This page covers the site record Brigham and Women's Hospital in Boston, Massachusetts, 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, Brigham and Women's Hospital, also sponsors trials.

Get the Brigham and Women's Hospital report as a PDF

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. 2,078 trials counted.

  • Phase 1 177 trials
  • Phase 1/2 71 trials
  • Phase 2 384 trials
  • Phase 2/3 31 trials
  • Phase 3 283 trials
  • Phase 4 113 trials
  • Not applicable 649 trials
  • Observational 366 trials
  • Expanded access 3 trials
  • Unknown 1 trial

Trials by status

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

  • Ongoing 616 trials
  • Completed 1,118 trials
  • Terminated 247 trials
  • Other 97 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 (Unknown)

Top of scale: 131

1993: 2 trials (Phase 3 1, Phase 2 1) 1994: 2 trials (Observational 2) 1995: 2 trials (Phase 1 2) 1996: 2 trials (Not applicable 1, Phase 1 1) 1997: 3 trials (Not applicable 1, Phase 2 1, Phase 1 1) 1998: 8 trials (Observational 3, Not applicable 2, Phase 3 1, Phase 2 1, Phase 1 1) 1999: 10 trials (Observational 2, Not applicable 1, Phase 3 1, Phase 2 2, Phase 1 4) 2000: 9 trials (Observational 1, Not applicable 3, Phase 3 3, Phase 2 1, Phase 1 1) 2001: 16 trials (Observational 1, Not applicable 3, Phase 3 4, Phase 2/3 1, Phase 2 6, Phase 1 1) 2002: 16 trials (Observational 1, Not applicable 2, Phase 3 6, Phase 2/3 2, Phase 2 5) 2003: 23 trials (Observational 4, Not applicable 6, Phase 4 1, Phase 3 6, Phase 2 5, Phase 1 1) 2004: 20 trials (Observational 3, Not applicable 2, Phase 4 1, Phase 3 5, Phase 2 7, Phase 1/2 2) 2005: 33 trials (Observational 5, Not applicable 9, Phase 4 4, Phase 3 5, Phase 2/3 2, Phase 2 5, Phase 1/2 1, Phase 1 2) 2006: 51 trials (Observational 8, Not applicable 11, Phase 4 5, Phase 3 8, Phase 2/3 2, Phase 2 10, Phase 1/2 3, Phase 1 4) 2007: 45 trials (Other 1, Observational 13, Not applicable 6, Phase 4 1, Phase 3 13, Phase 2 4, Phase 1/2 2, Phase 1 5) 2008: 52 trials (Observational 9, Not applicable 13, Phase 4 2, Phase 3 11, Phase 2/3 1, Phase 2 11, Phase 1/2 2, Phase 1 3) 2009: 53 trials (Observational 8, Not applicable 16, Phase 4 3, Phase 3 15, Phase 2/3 1, Phase 2 6, Phase 1/2 2, Phase 1 2) 2010: 70 trials (Observational 10, Not applicable 26, Phase 4 4, Phase 3 8, Phase 2/3 1, Phase 2 11, Phase 1/2 1, Phase 1 9) 2011: 61 trials (Observational 9, Not applicable 21, Phase 4 6, Phase 3 11, Phase 2/3 1, Phase 2 9, Phase 1/2 2, Phase 1 2) 2012: 101 trials (Observational 14, Not applicable 39, Phase 4 5, Phase 3 11, Phase 2/3 1, Phase 2 21, Phase 1/2 1, Phase 1 9) 2013: 104 trials (Observational 15, Not applicable 25, Phase 4 9, Phase 3 10, Phase 2/3 1, Phase 2 31, Phase 1/2 3, Phase 1 10) 2014: 87 trials (Observational 10, Not applicable 30, Phase 4 6, Phase 3 15, Phase 2/3 2, Phase 2 17, Phase 1/2 1, Phase 1 6) 2015: 79 trials (Observational 18, Not applicable 29, Phase 4 3, Phase 3 12, Phase 2 13, Phase 1 4) 2016: 87 trials (Observational 16, Not applicable 27, Phase 4 5, Phase 3 9, Phase 2/3 3, Phase 2 19, Phase 1/2 3, Phase 1 5) 2017: 100 trials (Observational 21, Not applicable 33, Phase 4 4, Phase 3 13, Phase 2 16, Phase 1/2 4, Phase 1 9) 2018: 114 trials (Observational 11, Not applicable 40, Phase 4 6, Phase 3 17, Phase 2/3 2, Phase 2 24, Phase 1/2 5, Phase 1 9) 2019: 106 trials (Observational 18, Not applicable 40, Phase 4 4, Phase 3 10, Phase 2/3 1, Phase 2 20, Phase 1/2 4, Phase 1 9) 2020: 131 trials (Observational 40, Not applicable 27, Phase 4 7, Phase 3 22, Phase 2/3 1, Phase 2 20, Phase 1/2 4, Phase 1 10) 2021: 125 trials (Observational 36, Not applicable 39, Phase 4 8, Phase 3 5, Phase 2/3 4, Phase 2 19, Phase 1/2 7, Phase 1 7) 2022: 99 trials (Observational 16, Not applicable 38, Phase 4 9, Phase 3 12, Phase 2/3 1, Phase 2 11, Phase 1/2 3, Phase 1 9) 2023: 121 trials (Observational 19, Not applicable 40, Phase 4 8, Phase 3 18, Phase 2 24, Phase 1/2 5, Phase 1 7) 2024: 125 trials (Observational 22, Not applicable 50, Phase 4 2, Phase 3 9, Phase 2 19, Phase 1/2 6, Phase 1 17) 2025: 109 trials (Observational 19, Not applicable 36, Phase 4 2, Phase 3 12, Phase 2/3 1, Phase 2 25, Phase 1/2 3, Phase 1 11)

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) 98
2025 109
2024 125
2023 121
2022 99
2021 125
2020 131
2019 106
2018 114
2017 100

Showing 10 of 34 years.

Start your 14-day trial Email me all 34 years as a PDF

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 2,078 trials.

Start your 14-day trial Email me the first 50 trials as a PDF

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 294 lead sponsors.

Start your 14-day trial Email me the first 50 lead sponsors as a PDF

Conditions studied

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

Showing 5 of 695 conditions.

Start your 14-day trial Email me the first 50 conditions as a PDF