Clinical trials
Completed Phase 3 Diphtheria trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
112 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 6 |
| 2004 | 4 |
| 2005 | 9 |
| 2006 | 23 |
| 2007 | 13 |
| 2008 | 4 |
| 2009 | 5 |
| 2010 | 6 |
| 2011 | 11 |
| 2012 | 2 |
| 2013 | 6 |
| 2014 | 7 |
| 2015 | 2 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 112 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 51 |
| Sanofi Pasteur, a Sanofi Company | 34 |
| Sanofi | 10 |
| Merck Sharp & Dohme LLC | 6 |
| Crucell Holland BV | 2 |
| MCM Vaccines B.V. | 2 |
| Tanabe Pharma Corporation | 2 |
| Beijing Zhifei Lvzhu Biopharmaceutical Co., Ltd | 1 |
| Boryung Biopharma Co., Ltd. | 1 |
| Boryung Pharmaceutical Co., Ltd | 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 | 112 |
| Tetanus | 108 |
| Whooping Cough | 70 |
| Poliomyelitis | 59 |
| Haemophilus Infections | 57 |
| Hepatitis B | 53 |
| Virus Diseases | 6 |
| Bacterial Infections | 4 |
| Influenza, Human | 4 |
| Meningococcal Infections | 3 |
Trials
Showing 1 to 25 of 112. Each trial links to its page on Pharma Observatory.
12 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.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.