Clinical trials
Phase 2 Diphtheria trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
26 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 3 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 1 |
| 2019 | 4 |
| 2023 | 1 |
| 2024 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 22 |
| Unknown status | 2 |
| Not yet recruiting | 1 |
| Terminated | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 15 |
| Sanofi Pasteur, a Sanofi Company | 3 |
| LG Chem | 2 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 2 |
| ABO Holdings, Inc. | 1 |
| Green Cross Corporation | 1 |
| Pfizer | 1 |
| Sanofi | 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 | 26 |
| Tetanus | 26 |
| Hepatitis B | 20 |
| Haemophilus Infections | 17 |
| Poliomyelitis | 17 |
| Whooping Cough | 12 |
| Meningitis, Meningococcal | 1 |
| Respiratory Tract Infections | 1 |
Trials
Showing 76 to 26 of 26. Each trial links to its page on Pharma Observatory.
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Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
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