Clinical trials
Phase 3 Pneumococcal Infections trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
39 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 2 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 31 |
| Recruiting | 5 |
| Active, not recruiting | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Merck Sharp & Dohme LLC | 17 |
| Pfizer | 16 |
| Vaxcyte, Inc. | 3 |
| Sanofi | 1 |
| Sanofi Pasteur, a Sanofi Company | 1 |
| Wyeth is now a wholly owned subsidiary of Pfizer | 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 | 39 |
| Pneumonia | 3 |
| Acquired Immunodeficiency Syndrome | 1 |
| COVID-19 | 1 |
| HIV Infections | 1 |
| Pneumonia, Pneumococcal | 1 |
Trials
Showing 1 to 25 of 39. 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.