Clinical trials
Phase 4 Pneumococcal Infections trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
36 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 2 |
| 2010 | 4 |
| 2012 | 2 |
| 2013 | 6 |
| 2014 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 27 |
| Recruiting | 5 |
| Unknown status | 2 |
| Active, not recruiting | 1 |
| Terminated | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Korea University Guro Hospital | 4 |
| Pfizer | 4 |
| Public Health England | 3 |
| Sinovac Biotech Co., Ltd | 3 |
| Wyeth is now a wholly owned subsidiary of Pfizer | 3 |
| London School of Hygiene and Tropical Medicine | 2 |
| University of Oxford | 2 |
| Agence de Médecine Préventive, France | 1 |
| Centre Hospitalier Universitaire de Saint Etienne | 1 |
| Fakultas Kedokteran Universitas Indonesia | 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 |
|---|---|
| Pneumococcal Infections | 36 |
| Meningococcal Infections | 5 |
| Influenza, Human | 3 |
| Pneumonia | 3 |
| Pneumonia, Pneumococcal | 3 |
| Diphtheria | 2 |
| Tetanus | 2 |
| Acquired Immunodeficiency Syndrome | 1 |
| Arthritis, Rheumatoid | 1 |
| Asthma | 1 |
Trials
Showing 76 to 36 of 36. 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.