Clinical trials
Observational Weight Loss trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
75 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 2 |
| 2006 | 5 |
| 2007 | 4 |
| 2008 | 4 |
| 2009 | 6 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 7 |
| 2026 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 41 |
| Recruiting | 11 |
| Terminated | 7 |
| Active, not recruiting | 5 |
| Unknown status | 4 |
| Not yet recruiting | 3 |
| Enrolling by invitation | 3 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pennington Biomedical Research Center | 4 |
| DiaSorin Inc. | 3 |
| National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | 3 |
| University of Colorado, Denver | 3 |
| University of Texas Southwestern Medical Center | 3 |
| Geisinger Clinic | 2 |
| Interleukin Genetics, Inc. | 2 |
| Mayo Clinic | 2 |
| Medifast, Inc. | 2 |
| Northwestern University | 2 |
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 |
|---|---|
| Weight Loss | 75 |
| Obesity | 45 |
| Overweight | 11 |
| Obesity, Morbid | 7 |
| Abdominal Pain | 4 |
| Diabetes Mellitus | 4 |
| Body Weight | 3 |
| Body Weight Changes | 3 |
| Diabetes Mellitus, Type 2 | 3 |
| Gastroesophageal Reflux | 3 |
Trials
Showing 1 to 25 of 75. Each trial links to its page 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
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