Clinical trials
Completed Obesity trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,294 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 17 |
| 2001 | 23 |
| 2002 | 25 |
| 2003 | 51 |
| 2004 | 71 |
| 2005 | 101 |
| 2006 | 113 |
| 2007 | 134 |
| 2008 | 155 |
| 2009 | 158 |
| 2010 | 175 |
| 2011 | 157 |
| 2012 | 177 |
| 2013 | 175 |
| 2014 | 161 |
| 2015 | 162 |
| 2016 | 169 |
| 2017 | 210 |
| 2018 | 181 |
| 2019 | 161 |
| 2020 | 103 |
| 2021 | 142 |
| 2022 | 127 |
| 2023 | 129 |
| 2024 | 105 |
| 2025 | 64 |
| 2026 | 11 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,294 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | 81 |
| Novo Nordisk A/S | 70 |
| Mayo Clinic | 67 |
| University of Colorado, Denver | 65 |
| Washington University School of Medicine | 63 |
| University of Pennsylvania | 60 |
| University of North Carolina, Chapel Hill | 54 |
| University of Alabama at Birmingham | 53 |
| Eli Lilly and Company | 50 |
| The Miriam Hospital | 50 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Obesity | 3,294 |
| Overweight | 829 |
| Weight Loss | 456 |
| Diabetes Mellitus, Type 2 | 248 |
| Diabetes Mellitus | 226 |
| Insulin Resistance | 217 |
| Metabolic Syndrome | 142 |
| Hypertension | 139 |
| Cardiovascular Diseases | 123 |
| Pediatric Obesity | 109 |
Trials
Showing 1 to 25 of 3,294. Each trial links to its page on Pharma Observatory.
3,194 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.