Clinical trials
Phase 1 Diphtheria trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
11 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2009 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 7 |
| Recruiting | 2 |
| Not yet recruiting | 1 |
| Unknown status | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| CanSino Biologics Inc. | 3 |
| LG Chem | 2 |
| Changchun BCHT Biotechnology Co. | 1 |
| Institute of Medical Biology, Chinese Academy of Medical Sciences | 1 |
| MassBiologics | 1 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 1 |
| Novartis Vaccines | 1 |
| Sanofi Pasteur, a Sanofi Company | 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 | 11 |
| Tetanus | 10 |
| Whooping Cough | 9 |
| Haemophilus Infections | 3 |
| Hepatitis B | 2 |
| Poliomyelitis | 2 |
| Infections | 1 |
| Meningitis, Meningococcal | 1 |
| Trismus | 1 |
Trials
Showing 76 to 11 of 11. Each trial links to its page on Pharma Observatory.
No trials match these filters.
Try a different keyword, or clear a filter.
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.