Clinical trials
Observational Syphilis trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
37 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2011 | 3 |
| 2012 | 1 |
| 2014 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 6 |
| 2026 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 17 |
| Recruiting | 6 |
| Unknown status | 6 |
| Not yet recruiting | 3 |
| Active, not recruiting | 2 |
| Terminated | 2 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| London School of Hygiene and Tropical Medicine | 2 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 2 |
| University of North Carolina, Chapel Hill | 2 |
| University of Zimbabwe | 2 |
| ANRS, Emerging Infectious Diseases | 1 |
| American Laboratory Products Company | 1 |
| Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo di Alessandria | 1 |
| Chembio Diagnostic Systems, Inc. | 1 |
| Chinese Academy of Medical Sciences | 1 |
| Gardiens de Vies | 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 |
|---|---|
| Syphilis | 37 |
| HIV Infections | 10 |
| Sexually Transmitted Diseases | 10 |
| Gonorrhea | 7 |
| Acquired Immunodeficiency Syndrome | 6 |
| Chlamydia Infections | 6 |
| Hepatitis B | 4 |
| Hepatitis C | 3 |
| COVID-19 | 2 |
| Giardiasis | 2 |
Trials
Showing 76 to 37 of 37. 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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