Clinical trials
Observational Diphtheria trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
22 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 3 |
| 2004 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2012 | 2 |
| 2013 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 18 |
| Unknown status | 2 |
| Active, not recruiting | 1 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 8 |
| Sanofi Pasteur, a Sanofi Company | 5 |
| BioNet-Asia Co., Ltd. | 1 |
| CanSino Biologics Inc. | 1 |
| Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer | 1 |
| Fondazione Italiana Linfomi - ETS | 1 |
| LG Life Sciences | 1 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 1 |
| Sanofi | 1 |
| Swedish Institute for Infectious Disease Control | 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 | 22 |
| Tetanus | 19 |
| Whooping Cough | 14 |
| Poliomyelitis | 7 |
| Hepatitis B | 5 |
| Haemophilus Infections | 4 |
| COVID-19 | 2 |
| Aspergillosis, Allergic Bronchopulmonary | 1 |
| Congenital Abnormalities | 1 |
| Herpes Zoster | 1 |
Trials
Showing 1 to 22 of 22. 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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