Clinical trials
Phase 1 Pneumococcal Infections trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
46 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2007 | 2 |
| 2009 | 2 |
| 2010 | 3 |
| 2011 | 2 |
| 2013 | 2 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 35 |
| Unknown status | 4 |
| Recruiting | 3 |
| Active, not recruiting | 2 |
| Not yet recruiting | 1 |
| Terminated | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 7 |
| Merck Sharp & Dohme LLC | 4 |
| Sinovac Life Sciences Co., Ltd. | 4 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 3 |
| Centers for Disease Control and Prevention | 2 |
| GPN Vaccines | 2 |
| Reinovax Biologics Co., LTD | 2 |
| Sanofi | 2 |
| Sanofi Pasteur, a Sanofi Company | 2 |
| University of Toledo Health Science Campus | 2 |
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 | 46 |
| Pneumonia | 4 |
| Pneumonia, Pneumococcal | 4 |
| Acquired Immunodeficiency Syndrome | 2 |
| HIV Infections | 2 |
| AIDS-Related Complex | 1 |
| Bacterial Infections | 1 |
| Healthcare-Associated Pneumonia | 1 |
| Pneumonia, Bacterial | 1 |
| Streptococcal Infections | 1 |
Trials
Showing 76 to 46 of 46. Each trial links to its page on Pharma Observatory.
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Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
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