Clinical trials
Phase 1 Obesity trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
358 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 4 |
| 2004 | 3 |
| 2005 | 8 |
| 2006 | 7 |
| 2007 | 11 |
| 2008 | 11 |
| 2009 | 15 |
| 2010 | 9 |
| 2011 | 8 |
| 2012 | 11 |
| 2013 | 18 |
| 2014 | 11 |
| 2015 | 6 |
| 2016 | 16 |
| 2017 | 12 |
| 2018 | 20 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 18 |
| 2023 | 23 |
| 2024 | 37 |
| 2025 | 38 |
| 2026 | 37 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 247 |
| Recruiting | 45 |
| Active, not recruiting | 22 |
| Terminated | 18 |
| Withdrawn | 11 |
| Not yet recruiting | 6 |
| Unknown status | 6 |
| Suspended | 2 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Novo Nordisk A/S | 42 |
| Eli Lilly and Company | 32 |
| Pfizer | 24 |
| Mayo Clinic | 15 |
| Amgen | 13 |
| AstraZeneca | 11 |
| Columbia University | 8 |
| Massachusetts General Hospital | 7 |
| Vanderbilt University Medical Center | 7 |
| Yale University | 7 |
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 | 358 |
| Overweight | 113 |
| Diabetes Mellitus, Type 2 | 35 |
| Insulin Resistance | 29 |
| Diabetes Mellitus | 18 |
| Nutrition Disorders | 18 |
| Weight Loss | 15 |
| Hypertension | 14 |
| Non-alcoholic Fatty Liver Disease | 13 |
| Cardiovascular Diseases | 9 |
Trials
Showing 1 to 25 of 358. Each trial links to its page on Pharma Observatory.
258 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.