Clinical trials
Completed Phase 4 Diphtheria trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
47 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 2 |
| 2006 | 5 |
| 2007 | 3 |
| 2008 | 7 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 8 |
| 2012 | 4 |
| 2013 | 2 |
| 2014 | 1 |
| 2016 | 3 |
| 2021 | 1 |
| 2024 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 47 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 19 |
| Sanofi Pasteur, a Sanofi Company | 13 |
| Sanofi | 6 |
| Shantha Biotechnics Limited | 2 |
| Bandim Health Project | 1 |
| Crucell Holland BV | 1 |
| Korea University Guro Hospital | 1 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 1 |
| Norwegian Institute of Public Health | 1 |
| Public Health England | 1 |
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 |
|---|---|
| Diphtheria | 47 |
| Tetanus | 47 |
| Whooping Cough | 31 |
| Poliomyelitis | 19 |
| Haemophilus Infections | 13 |
| Hepatitis B | 10 |
| Meningococcal Infections | 3 |
| Meningitis | 2 |
| Pneumococcal Infections | 2 |
| Infant Death | 1 |
Trials
Showing 1 to 25 of 47. 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.
Go deeper on Pharma Observatory
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