Clinical trials
Observational Obesity trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,230 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 10 |
| 2001 | 16 |
| 2002 | 8 |
| 2003 | 19 |
| 2004 | 27 |
| 2005 | 45 |
| 2006 | 37 |
| 2007 | 59 |
| 2008 | 77 |
| 2009 | 85 |
| 2010 | 84 |
| 2011 | 94 |
| 2012 | 84 |
| 2013 | 77 |
| 2014 | 85 |
| 2015 | 83 |
| 2016 | 115 |
| 2017 | 86 |
| 2018 | 98 |
| 2019 | 121 |
| 2020 | 110 |
| 2021 | 93 |
| 2022 | 139 |
| 2023 | 118 |
| 2024 | 118 |
| 2025 | 132 |
| 2026 | 125 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,283 |
| Unknown status | 344 |
| Recruiting | 253 |
| Not yet recruiting | 103 |
| Active, not recruiting | 95 |
| Terminated | 64 |
| Withdrawn | 46 |
| Enrolling by invitation | 37 |
| Suspended | 5 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Heart, Lung, and Blood Institute (NHLBI) | 58 |
| Novo Nordisk A/S | 40 |
| National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | 31 |
| Pennington Biomedical Research Center | 22 |
| Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 21 |
| Istituto Auxologico Italiano | 20 |
| Assistance Publique - Hôpitaux de Paris | 17 |
| University of Colorado, Denver | 17 |
| University Hospital, Lille | 15 |
| Assiut University | 14 |
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 | 2,230 |
| Overweight | 376 |
| Diabetes Mellitus | 215 |
| Diabetes Mellitus, Type 2 | 208 |
| Cardiovascular Diseases | 167 |
| Hypertension | 157 |
| Metabolic Syndrome | 151 |
| Insulin Resistance | 140 |
| Weight Loss | 106 |
| Obesity, Morbid | 94 |
Trials
Showing 26 to 50 of 2,230. Each trial links to its page on Pharma Observatory.
2,130 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.