Clinical trials
Observational Gastroesophageal Reflux trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
348 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 8 |
| 2005 | 5 |
| 2006 | 11 |
| 2007 | 20 |
| 2008 | 19 |
| 2009 | 19 |
| 2010 | 29 |
| 2011 | 12 |
| 2012 | 12 |
| 2013 | 8 |
| 2014 | 14 |
| 2015 | 11 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 19 |
| 2019 | 12 |
| 2020 | 19 |
| 2021 | 21 |
| 2022 | 16 |
| 2023 | 16 |
| 2024 | 12 |
| 2025 | 17 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 197 |
| Unknown status | 53 |
| Recruiting | 37 |
| Terminated | 23 |
| Active, not recruiting | 13 |
| Not yet recruiting | 9 |
| Enrolling by invitation | 7 |
| Withdrawn | 7 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 37 |
| Mayo Clinic | 11 |
| Midwest Biomedical Research | 7 |
| Assiut University | 5 |
| Massachusetts General Hospital | 5 |
| Asian Institute of Gastroenterology, India | 4 |
| Chinese University of Hong Kong | 4 |
| Guy's and St Thomas' NHS Foundation Trust | 4 |
| IRCCS San Raffaele | 4 |
| Johns Hopkins University | 4 |
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 |
|---|---|
| Gastroesophageal Reflux | 348 |
| Barrett Esophagus | 39 |
| Heartburn | 18 |
| Obesity | 17 |
| Hernia, Hiatal | 13 |
| Esophageal Neoplasms | 10 |
| Deglutition Disorders | 9 |
| Dyspepsia | 9 |
| Esophageal Achalasia | 9 |
| Esophagitis | 9 |
Trials
Showing 26 to 50 of 348. Each trial links to its page on Pharma Observatory.
248 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.
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