Clinical trials
Obesity trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
4,763 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 19 |
| 2001 | 23 |
| 2002 | 27 |
| 2003 | 53 |
| 2004 | 81 |
| 2005 | 117 |
| 2006 | 138 |
| 2007 | 166 |
| 2008 | 176 |
| 2009 | 192 |
| 2010 | 202 |
| 2011 | 191 |
| 2012 | 206 |
| 2013 | 207 |
| 2014 | 185 |
| 2015 | 197 |
| 2016 | 221 |
| 2017 | 259 |
| 2018 | 226 |
| 2019 | 218 |
| 2020 | 146 |
| 2021 | 200 |
| 2022 | 207 |
| 2023 | 259 |
| 2024 | 252 |
| 2025 | 258 |
| 2026 | 281 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,296 |
| Recruiting | 481 |
| Active, not recruiting | 275 |
| Terminated | 262 |
| Unknown status | 192 |
| Withdrawn | 125 |
| Not yet recruiting | 86 |
| Enrolling by invitation | 36 |
| Suspended | 10 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novo Nordisk A/S | 113 |
| University of Colorado, Denver | 104 |
| National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | 101 |
| Eli Lilly and Company | 100 |
| Mayo Clinic | 100 |
| Washington University School of Medicine | 83 |
| The Miriam Hospital | 76 |
| University of Alabama at Birmingham | 71 |
| University of Pennsylvania | 68 |
| Pennington Biomedical Research Center | 66 |
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 | 4,763 |
| Overweight | 1,295 |
| Weight Loss | 621 |
| Diabetes Mellitus, Type 2 | 390 |
| Diabetes Mellitus | 350 |
| Insulin Resistance | 318 |
| Hypertension | 215 |
| Metabolic Syndrome | 205 |
| Cardiovascular Diseases | 172 |
| Pediatric Obesity | 150 |
Trials
Showing 51 to 75 of 4,763. Each trial links to its page on Pharma Observatory.
4,663 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.