Clinical trials
Obesity trials in the United States with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,800 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 9 |
| 2001 | 13 |
| 2002 | 18 |
| 2003 | 19 |
| 2004 | 39 |
| 2005 | 51 |
| 2006 | 64 |
| 2007 | 90 |
| 2008 | 90 |
| 2009 | 99 |
| 2010 | 123 |
| 2011 | 122 |
| 2012 | 136 |
| 2013 | 122 |
| 2014 | 127 |
| 2015 | 148 |
| 2016 | 133 |
| 2017 | 179 |
| 2018 | 149 |
| 2019 | 156 |
| 2020 | 104 |
| 2021 | 134 |
| 2022 | 127 |
| 2023 | 162 |
| 2024 | 134 |
| 2025 | 111 |
| 2026 | 117 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 2,026 |
| Recruiting | 250 |
| Active, not recruiting | 145 |
| Terminated | 128 |
| Unknown status | 128 |
| Withdrawn | 59 |
| Not yet recruiting | 44 |
| Enrolling by invitation | 17 |
| Suspended | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University of Colorado, Denver | 68 |
| The Miriam Hospital | 61 |
| University of Alabama at Birmingham | 61 |
| University of North Carolina, Chapel Hill | 57 |
| Washington University School of Medicine | 55 |
| University of Pennsylvania | 52 |
| Mayo Clinic | 48 |
| VA Office of Research and Development | 47 |
| University of California, San Diego | 44 |
| Duke University | 43 |
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 | 2,800 |
| Overweight | 784 |
| Weight Loss | 450 |
| Diabetes Mellitus | 208 |
| Diabetes Mellitus, Type 2 | 190 |
| Insulin Resistance | 183 |
| Hypertension | 137 |
| Metabolic Syndrome | 135 |
| Cardiovascular Diseases | 112 |
| Pediatric Obesity | 112 |
Trials
Showing 1 to 25 of 2,800. Each trial links to its page on Pharma Observatory.
2,700 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.