Clinical trials
Completed Pneumococcal Infections trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
236 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 7 |
| 2005 | 9 |
| 2006 | 11 |
| 2007 | 18 |
| 2008 | 6 |
| 2009 | 13 |
| 2010 | 13 |
| 2011 | 9 |
| 2012 | 7 |
| 2013 | 12 |
| 2014 | 13 |
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 15 |
| 2019 | 16 |
| 2020 | 11 |
| 2021 | 7 |
| 2022 | 15 |
| 2023 | 14 |
| 2024 | 7 |
| 2025 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 236 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 50 |
| Merck Sharp & Dohme LLC | 42 |
| GlaxoSmithKline | 31 |
| Wyeth is now a wholly owned subsidiary of Pfizer | 14 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 6 |
| Sinovac Biotech Co., Ltd | 5 |
| Assistance Publique - Hôpitaux de Paris | 4 |
| Public Health England | 4 |
| Reinovax Biologics Co., LTD | 4 |
| Sinovac Life Sciences Co., Ltd. | 4 |
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 | 236 |
| Streptococcal Infections | 28 |
| Pneumonia | 15 |
| Pneumonia, Pneumococcal | 9 |
| HIV Infections | 7 |
| Meningococcal Infections | 6 |
| Diphtheria | 5 |
| Influenza, Human | 5 |
| Otitis Media | 5 |
| Tetanus | 5 |
Trials
Showing 1 to 25 of 236. Each trial links to its page on Pharma Observatory.
136 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.