Clinical trials
Phase 4 Poliomyelitis trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
59 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 3 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 5 |
| 2012 | 3 |
| 2013 | 5 |
| 2014 | 1 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 48 |
| Unknown status | 5 |
| Not yet recruiting | 3 |
| Recruiting | 2 |
| Terminated | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 10 |
| Sanofi Pasteur, a Sanofi Company | 8 |
| Centers for Disease Control and Prevention | 7 |
| Sinovac Biotech Co., Ltd | 5 |
| Aga Khan University | 4 |
| Fidec Corporation | 4 |
| Institute of Medical Biology, Chinese Academy of Medical Sciences | 4 |
| Sanofi | 4 |
| International Centre for Diarrhoeal Disease Research, Bangladesh | 3 |
| Centers for Disease Control and Prevention, China | 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 |
|---|---|
| Poliomyelitis | 59 |
| Tetanus | 20 |
| Diphtheria | 19 |
| Whooping Cough | 12 |
| Haemophilus Infections | 8 |
| Hepatitis B | 5 |
| HIV Seropositivity | 1 |
| Hepatitis A | 1 |
| Infections | 1 |
| Malnutrition | 1 |
Trials
Showing 26 to 50 of 59. 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.
No changes to these trials in the last 7 days.
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